Behavioral task
behavioral1
Sample
bsco-4v4t4r.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
bsco-4v4t4r.exe
Resource
win10v2004-20230220-en
General
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Target
bsco-4v4t4r.zip
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Size
1.5MB
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MD5
cb25331e1837c7ce6a8c2f327e8d017b
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SHA1
a4fee48ae34051c4999806854bf56436a3229a89
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SHA256
572e270efb5e0f5fba00ab1a6935193fcab9e88d443f4d542d71a602bb63593a
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SHA512
5609b76116fe790fd07eea746e90227a78270509b360cd13e691aae13706843a1c2a58d68f75a765273cd874270fd096e1ea4d86819ca3fd1140dcbdd40c5920
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SSDEEP
24576:0wDAsdDAPosUGejJQE6OCCfjZJ7ofL/FYidRxXDxSl/bZjHGuETAlP/PId5a1ObZ:08OPKjDjv7ORYi3xTxmbTOAlP/Pqui
Malware Config
Extracted
stealerium
https://discord.com/api/webhooks/1098436501517369394/JKCsN0HXfrE6Z1tY-USgbbvMdy8EidwbtI0dVIIjWIpD09R2nXrCi99850bnMqFKyC2a
Signatures
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Stealerium family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/bsco-4v4t4r.exe
Files
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bsco-4v4t4r.zip.zip
Password: qm
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bsco-4v4t4r.exe.exe windows x86
Password: qm
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
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 1.5MB - Virtual size: 1.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 5KB - Virtual size: 4KB
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