Behavioral task
behavioral1
Sample
2396-4-0x0000000000400000-0x000000000045E000-memory.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2396-4-0x0000000000400000-0x000000000045E000-memory.exe
Resource
win10v2004-20241007-en
General
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Target
2396-4-0x0000000000400000-0x000000000045E000-memory.dmp
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Size
376KB
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MD5
c445a51be6ee016b2486e56e3a2f3943
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SHA1
71017b042e5416d9d271d296f4cd9af7df556638
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SHA256
20e4b66da211ccc79ba5018bb4a7a7834da7ff3c29036ecb10a601cca0e37e33
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SHA512
3c2ca1f6186df2dc22d198aa2e7f83bbe5d5d5e9a0dc29be2efe3bb8cbe88a4d095fda77843e0b568de8949e66527363c212a295273ac7ea995cfe5d6f26095b
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SSDEEP
6144:s8NHXf500M3vcX2iFDBab5Lfi1WUTi6bQT8dp2:pd509cXRkgW+hb28dp2
Malware Config
Extracted
quasar
1.3.0.0
VTROY
31.13.224.12:61512
31.13.224.13:61513
QSR_MUTEX_4Q2rJqiVyC7hohzbjx
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encryption_key
7Vp2dMCHrMjJthQ2Elyy
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install_name
downloads.exe
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log_directory
Logs
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reconnect_delay
5000
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startup_key
cssrse.exe
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subdirectory
downloadupdates
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource 2396-4-0x0000000000400000-0x000000000045E000-memory.dmp
Files
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2396-4-0x0000000000400000-0x000000000045E000-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