Internals of Lazarus Operation Dream Job

2021-01-28 0xthreatintel

http://web.archive.org/web/20210211220808/https://0xthreatintel.medium.com/internals-of-lazarus-operation-dream-job-7ced9fc7da3e

The archived analysis reverse-engineers Torisma and LCPDot malware used in Lazarus/Hidden Cobra Operation Dream Job activity. Torisma is described as collecting host and process information, creating malicious pipes, loading DLLs, encrypting C2 communication with VEST-32, and downloading additional files from command-and-control servers. The LCPDot section highlights authentication strings, request and C2-operation routines, plugin download behavior, and stopping C2 communications. The source provides representative network indicators such as 31[.]186[.]8[.]221, 103[.]227[.]176[.]20, 192[.]35[.]177[.]64, 51[.]255[.]16[.]98, and domains including www[.]commodore[.]com[.]tr and www[.]fabianiarte[.]com.

Indicators of Compromise

Type Value First Seen Last Seen
HASH 56b9de82c7ede1c231dc20ff0726bf4… 2021-01-28 2021-01-28
HASH 1d261bae90a95c20caf7a12e9b404dd… 2021-01-28 2021-01-28
HASH 7cd3ca8bdfb44e98a4b9d0c6ad77546… 2021-01-28 2021-01-28
HASH 81ca4bd42b01fe43cefd7fc38083bc6b 2021-01-28 2021-01-28
HASH 9a8403e2eb0324050e53f2c500bc8308 2021-01-28 2021-01-28
IPv4 192.35.177.64 2021-01-28 2021-01-28
IPv4 103.227.176.20 2021-01-28 2021-01-28
IPv4 31.186.8.221 2021-01-28 2021-01-28
HASH ff7172d9c888b7a88a7d77372112d772 2021-01-26 2021-01-28
HASH a9334efa9f40a36e7dde7ef1fe3018b… 2021-01-26 2021-01-28
IPv4 51.255.16.98 2021-01-26 2021-01-28

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