Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20241023-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
acf4f0b473278b8280c57f06a1a14752
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SHA1
e3eb5b7e4d720cb9b3bf33f02c3c436c050dc614
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SHA256
74eca969f95e873b2af9dcdedd0783e27d469aad3baf1af7b85ad751b34485a3
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SHA512
d0be2e1ee64a2ae2bfd0a18b71fe4af44304b5fbaa8c2bad3c582750579c8503466e2b6edd00984cfafc78d8307e6e056a37a3da3bdb04b250623b99240ab936
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SSDEEP
49152:rvvI22SsaNYfdPBldt698dBcjHWC41JFLoGdxTHHB72eh2NT:rvg22SsaNYfdPBldt6+dBcjHWCe
Malware Config
Extracted
quasar
1.4.1
Office04
sites-talent.gl.at.ply.gg:12915:5050
81bbd126-003c-423d-b244-5de29a86c135
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encryption_key
F1428A77E91FBF1B7AEC1D3D94E91E692E2ADBFF
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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
thisisarat
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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 Client-built.exe
Files
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Client-built.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