Analysis
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max time kernel
147s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
29-06-2024 20:37
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
e026a06e96e80ad0a4c72b7ebe9a4a63
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SHA1
c10e4ab92083ed4c1c64494a10c3fb71881a78a0
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SHA256
cde1b350791fbef921b7bc2241e74820f8f8c3bb12910d501e201de4df407c6c
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SHA512
a613cb2777bdcd471414f0d83e69be0b84446c2810b73156cc385c92eb437ef93950581d840a8d89e0e78ccaab3d817389b4ddc2dd8eb13a988d4e94cf852617
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SSDEEP
49152:PvTlL26AaNeWgPhlmVqvMQ7XSKnVWDgdhLvJwCoGdyTHHB72eh2NT:PvJL26AaNeWgPhlmVqkQ7XSK9hL
Malware Config
Extracted
Family
quasar
Version
1.4.1
Botnet
Office04
C2
performance-ha.gl.at.ply.gg:33365
Mutex
ba5220e2-c4e8-4381-aad8-a85115ef955e
Attributes
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encryption_key
67C139F3E9A16FF8132A3DCF42197B8BA3C38609
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Quasar Client Startup
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subdirectory
SubDir
Signatures
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Quasar payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/3608-1-0x0000000000530000-0x0000000000854000-memory.dmp family_quasar -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Client-built.exedescription pid process Token: SeDebugPrivilege 3608 Client-built.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
Client-built.exepid process 3608 Client-built.exe -
Suspicious use of SendNotifyMessage 1 IoCs
Processes:
Client-built.exepid process 3608 Client-built.exe
Processes
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/3608-0-0x00007FFBBC143000-0x00007FFBBC145000-memory.dmpFilesize
8KB
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memory/3608-1-0x0000000000530000-0x0000000000854000-memory.dmpFilesize
3.1MB
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memory/3608-2-0x00007FFBBC140000-0x00007FFBBCC01000-memory.dmpFilesize
10.8MB
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memory/3608-3-0x000000001D7C0000-0x000000001D810000-memory.dmpFilesize
320KB
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memory/3608-4-0x000000001D8D0000-0x000000001D982000-memory.dmpFilesize
712KB
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memory/3608-5-0x00007FFBBC143000-0x00007FFBBC145000-memory.dmpFilesize
8KB
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memory/3608-6-0x00007FFBBC140000-0x00007FFBBCC01000-memory.dmpFilesize
10.8MB