Behavioral task
behavioral1
Sample
setup.exe
Resource
win10v2004-20230915-en
General
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Target
setup.exe
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Size
41.6MB
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MD5
0fb2af6afdbdaf9206a5505264f0bf71
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SHA1
2a6a04694b83ac2d4d0c207951fc838072804b6a
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SHA256
65af8761b34d50026541f9607547c27fb40af28dabbe3f705fe69b551faf8496
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SHA512
f5edebf5a9d4d0d4e5c11285febace0c65cf998573267da4016af563920de76f970b41661e2888de06cae737b56bc31a19c7f588993fc3e16828cb99c96ef7d7
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SSDEEP
393216:Q/joxiIE7YoPQtsTTp7Lk3meBcGfd0vYM2krlFk1mX1eq44:Ijoe7rPQts/RLaT5F0vYvXFg
Malware Config
Extracted
quasar
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reconnect_delay
1
Signatures
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An infostealer written in Python and packaged with PyInstaller. 1 IoCs
resource yara_rule static1/unpack001/Creal.pyc crealstealer -
Crealstealer family
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Detects Pyinstaller 1 IoCs
resource yara_rule sample pyinstaller -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource setup.exe
Files
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setup.exe.exe windows:4 windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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_LARGE_ADDRESS_AWARE
Imports
mscoree
_CorExeMain
Sections
.text Size: 41.6MB - Virtual size: 41.6MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
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
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Creal.pyc