Behavioral task
behavioral1
Sample
a53732f6b49c8d9b99b7bdad38c3255f7ea944e14b86c8f674dd3187c74e808e.exe
Resource
win7-20240903-en
General
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Target
a53732f6b49c8d9b99b7bdad38c3255f7ea944e14b86c8f674dd3187c74e808e.exe
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Size
348KB
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MD5
1e9812a1888c470d13eb21fa9a782277
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SHA1
567d226e5bb40bec7b3e93a740140df88ecdcd5c
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SHA256
a53732f6b49c8d9b99b7bdad38c3255f7ea944e14b86c8f674dd3187c74e808e
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SHA512
6b9c5b38d9a09b63cee437b33611a5fcb4a43b5a56eec693279fac4bd4fef4c1971d2be8cd9b357ed2d2e84ca8b2f4b84876d31ea67c19d3c26dbf8b1e743f47
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SSDEEP
6144:x7NHXf500MEZXBpc96nbsebHgAA7yITIXE8dWS:Fd50Yc96bMVL2E8AS
Malware Config
Extracted
quasar
1.3.0.0
Office04
192.168.234.157:1234
QSR_MUTEX_5bycvm6yUpl1GsdPT8
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encryption_key
oHEH69w2AAxVFHtx6W9f
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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 a53732f6b49c8d9b99b7bdad38c3255f7ea944e14b86c8f674dd3187c74e808e.exe
Files
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a53732f6b49c8d9b99b7bdad38c3255f7ea944e14b86c8f674dd3187c74e808e.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: 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