Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-12-2024 06:28
Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240903-en
windows7-x64
8 signatures
150 seconds
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
7e1ed4c0bddfcd9753fa8a34369d2a09
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SHA1
a72002b3e87c94524bb777fc50aadcd444597b28
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SHA256
0d0646d4f062fab91f6dbcbcc5412e6ef550306b1a49e2353bc37fd24aa4660e
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SHA512
cbcc8efa4d68e3e993dd0b8951d4e4fe0930d267ab99f0ad2f03a89e8f4d119210dccd4c5d4ad2b15d14125e852ef464564d6a88a41eaa936f6a6f2272123ff3
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SSDEEP
49152:CvyI22SsaNYfdPBldt698dBcjHHUb7ReaoGdk8THHB72eh2NT:Cvf22SsaNYfdPBldt6+dBcjHHUb7RJ
Malware Config
Extracted
Family
quasar
Version
1.4.1
Botnet
Office04
C2
192.168.1.77:4782
Mutex
e819f327-90a2-4d90-a826-8b38a9c4f3d5
Attributes
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encryption_key
EFEBD005E03B8B8669985D9A167E2BEF9FFCA477
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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 family
-
Quasar payload 1 IoCs
resource yara_rule behavioral2/memory/2784-1-0x0000000000C10000-0x0000000000F34000-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 2784 Client-built.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2784 Client-built.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 2784 Client-built.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2784 Client-built.exe