Analysis
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max time kernel
38s -
max time network
34s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
28-12-2024 20:35
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
cdadc74f3cb613d84558ecaf3e28b573
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SHA1
d4a77a1ac3987a3f6ee042871ae17c7d9db6cd0b
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SHA256
7ceb557b1ecc941f5a2804c0f40899bdc2e7f7c820e05f7c4e0e89303c360037
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SHA512
a66e1657407423697fefc477fed384d20762da4b0280e490fb57426483403a30ad1d8feb0c1c760192cda6c889389b701d4ec90fda63dedf176c975918d916d1
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SSDEEP
49152:2vIt62XlaSFNWPjljiFa2RoUYIto5baoGdtm8+THHB72eh2NT:2vE62XlaSFNWPjljiFXRoUYIto5eU
Malware Config
Extracted
Family
quasar
Version
1.4.1
Botnet
Office04
C2
138.0.54.91:4782
Mutex
63563c99-67f3-4d20-8c7f-230c3d970b36
Attributes
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encryption_key
E22572FBAE45F5F894074ED475A27E306499B335
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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
Microsoft Link
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule behavioral1/memory/4656-1-0x0000000000940000-0x0000000000C64000-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
description pid Process Token: SeDebugPrivilege 4656 Client-built.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4656 Client-built.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 4656 Client-built.exe