Behavioral task
behavioral1
Sample
process.exe
Resource
win7-20231129-en
General
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Target
process.exe
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Size
3.1MB
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MD5
a9e0f20146622ddbe8a876c559abc12b
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SHA1
1c4a14f0489c03fcfc70b80d5e123489cdbe2027
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SHA256
6a2a83d14c60f60cbb2cba93e8390be5db07dfc68b5eef486f0de1f3fce5751c
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SHA512
6884cbb16a147788bfff88246f434afc0806bad0cb409ada9a542d61b2bbf7cf8ba0de875b59a0ea7f21295172b8e07b1e1e384ab628e57f620a2b514e8577d0
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SSDEEP
49152:PvbI22SsaNYfdPBldt698dBcjHotRJ6EbR3LoGdYXCTHHB72eh2NT:Pvk22SsaNYfdPBldt6+dBcjHotRJ6Om
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.8.182:8335
3cb18efe-d72d-4761-9ec7-40c14fa43f51
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encryption_key
282ABD9809550FEFD8129AB9B01FEA8077F3F002
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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
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource process.exe
Files
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process.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 3.1MB - Virtual size: 3.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ