Managed XDR

mysamples-ryuk_8.exe (Ryuk) — malware analysis report

File info

Filename
mysamples-ryuk_8.exe
File type
MS-DOS executable
File size
272 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
241c9d33d0a0a4ea55e33da25e264612ca965384
SHA256
5b1f242aee0eabd4dffea0fe5f08aba60abf7c8d1e4f7fc7357af7f20ccd0204
MD5
45898f41cf503d594a008038281b0d48

Malwares

  • Ryuk

Signatures

Privilege Escalation

T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1134 opens_process_token: Opens the access token associated with a process

Other

yara_rules: Static rules
process_crashed: One of the processes has failed
static_pe_duplicate_sections: The PE file structure contains anomalies: duplicate section names
no_graphical_activity: No graphic activity
test_check_service: Starts services

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