Behavioral task
behavioral1
Sample
Contact Card.exe
Resource
win7-20231215-en
General
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Target
Contact Card.exe
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Size
376KB
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MD5
409b88b2b275353f2ca05983cef1abf5
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SHA1
2fc14e18c0b090d55360e60468489aa65e2375f2
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SHA256
d56dd549736bda8fd1ebc8ae17c0b642c1df0fb5ce5e824b723d9b3f29da38c3
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SHA512
f2729c972505fb76df726b7fc44ce2f96831af4c37acd46dac640be32f9a43f4e32fbde1dbbf230b721bdabf421760e26324732f701491a22ab6962f2b63fbca
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SSDEEP
6144:GI6bPXhLApfpebKxMZWnmaxv6prs9NNbgSWVGg9R+1FZ+UsukEXVX:7mhApDmWhIVGg9R+1FPsukEB
Malware Config
Extracted
quasar
1.3.0.0
John
202.2.12.13:4782
QSR_MUTEX_CxO1HuVkIgYkhY4NA9
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encryption_key
s52dOq4uyyE0qGeD9OKm
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install_name
updater.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Java updater
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subdirectory
Java
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 Contact Card.exe
Files
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Contact Card.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: 344KB - Virtual size: 344KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 30KB - Virtual size: 30KB
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