Behavioral task
behavioral1
Sample
8404-341-0x0000000000400000-0x000000000045E000-memory.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
8404-341-0x0000000000400000-0x000000000045E000-memory.exe
Resource
win10v2004-20241007-en
General
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Target
8404-341-0x0000000000400000-0x000000000045E000-memory.dmp
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Size
376KB
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MD5
ab75b0cf6d7cf65987a02b08bb8aa7f6
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SHA1
cd72d92ba2fd11d05471fe4b2ceebbee1d5b0577
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SHA256
17f20483639742a6d31d57291a58215e42497fce905e6b1da83e5db2381e15e4
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SHA512
35c6536372a09fc329f203228834b42ca2dbd0c0a51e63e591bea5e3fddabdb58b64d1916a7406cdb3c5f0020f0bd6ae79f920bb94e2f9ccad8618bbd2a05cac
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SSDEEP
6144:5zNHXf500MKo5DD45lvmbIz/xD87Rz9jkVBf54lW:dd509D0BR/xQ719jC5iW
Malware Config
Extracted
quasar
1.3.0.0
Xnx
89.105.219.152:4444
QSR_MUTEX_mtUgT7P5LHeU78kv3K
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encryption_key
TmvEOmy8eWlkKOpyXYAk
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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 8404-341-0x0000000000400000-0x000000000045E000-memory.dmp
Files
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8404-341-0x0000000000400000-0x000000000045E000-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: 344KB - Virtual size: 344KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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