Behavioral task
behavioral1
Sample
Client.exe
Resource
win7-20231215-en
General
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Target
Client.exe
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Size
3.5MB
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MD5
8ede987ddc05ffd59f9ed804388ed7f2
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SHA1
c3bb18f464e89a8e837dca50751bd457ee9bcc6c
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SHA256
ea3eb80612d2c63022e0b649b6bfe11ee97a20920bc97f2ff423571b8594a9e3
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SHA512
c458155395d26098ec0516ede3e7441230e234322e32c57e58c5458e3bac42f08e8fe9a70419cd88f5877e821fd88dea9271eaba6053f22da0072ad8b6531ebe
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SSDEEP
49152:WvmhBYjCO4Dt2d5aKCuVPzlEmVQL0wvwkatJRJ6FbR3LoGd+lTHHB72eh2NTE:WvIt2d5aKCuVPzlEmVQ0wvwftJRJ6XO
Malware Config
Extracted
quasar
1.4.1
Music
192.168.10.175:4782
8c0255b4-acc1-4f01-82f4-2ef8280f890d
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encryption_key
E7CCBA8EBCA0CD48FAE7DC324857D65F0CD086F8
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install_name
Geforce_Experience.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
GeForce_Experience_Updater
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subdirectory
NVIDIA_Programfiles
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.exe
Files
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Client.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: 425KB - Virtual size: 425KB
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