Behavioral task
behavioral1
Sample
1588-33-0x0000000000B20000-0x0000000000E44000-memory.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
1588-33-0x0000000000B20000-0x0000000000E44000-memory.exe
Resource
win10v2004-20240802-en
General
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Target
1588-33-0x0000000000B20000-0x0000000000E44000-memory.dmp
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Size
3.1MB
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MD5
2fd8db0f04a8e13c930d76dd0654e340
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SHA1
d336a802ecc207d4b47dd51422d3aa641607ee86
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SHA256
f6a3f0fc0f6c7f21b8304e4fa231344286627e609f0175f3a2075dc4b75a03fd
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SHA512
49da26b5d99a9dcca1c238a00f829276cff2840768707ec6b3ddd05aeb8e35662c287aebd74dd6c9dea252acc0e5645a367949938a5a9ff97472e22afd567e81
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SSDEEP
49152:yvkt62XlaSFNWPjljiFa2RoUYIFxDEDwhk/JxuoGdgUTHHB72eh2NT:yv462XlaSFNWPjljiFXRoUYIFxKs
Malware Config
Extracted
quasar
1.4.1
Office04
147.45.44.138:4782
74661366-3221-4ef8-a135-99063277201a
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encryption_key
9F5E83CF4EAD1B51E34A8D5F82E492881AB9FF3B
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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
Yandex.service
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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 1588-33-0x0000000000B20000-0x0000000000E44000-memory.dmp
Files
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1588-33-0x0000000000B20000-0x0000000000E44000-memory.dmp.exe windows:4 windows x86 arch:x86
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
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