Behavioral task
behavioral1
Sample
probably a virus.exe
Resource
win7-20240704-en
General
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Target
probably a virus.exe
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Size
3.1MB
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MD5
4fa7681cbbb5c8490bc5a3d0443243a1
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SHA1
dd048b789a588327a7d0f25dadd26b76be20e261
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SHA256
ab29a6c24ed11ed525a88bea16c94a242adce92c8693ff58db29d3b30b9734cc
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SHA512
0806a0f82766340988df26c0069c1b9f02c9b385d70bfc03d642a5cdb56248824045e78c7e31f6862d698ddde5faefece0e9bf57e1a0a41c0c69e70912872200
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SSDEEP
49152:rv6I22SsaNYfdPBldt698dBcjHtxcEjIJk/JtLoGd36THHB72eh2NT:rv322SsaNYfdPBldt6+dBcjHtxrl
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.0.153:4782
ff7b12dd-dcb4-433b-b12e-5af421c67569
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encryption_key
435FB1E709EE069900BC9EC6FC3D4B7E80A22952
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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 probably a virus.exe
Files
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probably a virus.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