Static task
static1
Behavioral task
behavioral1
Sample
Grim.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Grim.exe
Resource
win10v2004-20240226-en
General
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Target
Grim.exe
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Size
4.2MB
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MD5
a96b2c3817d3b2e9724edc9cb006daf3
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SHA1
09d9718937add9a790de2738b5cbaf2780950bcc
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SHA256
9f5acdcc9e98876bce45195ed63a787892f8a14de9eb8780b8682a321e348a6e
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SHA512
24a0d6e5780bb0b8d5c0b0a1d76df4fd9d516dd1518ddd28907c5423cd738888d58d5ecbd4ebba8bbfc58b1ac797f33c24b05dbfd82aecc4e0ee3cd67954616a
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SSDEEP
98304:UdEvOPGVMIN3Es1R6AZfUUMHLRA15rT1KY8k6SnT2mThcpe15u:oEvLnfDjcU4a36SLcp
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Grim.exe
Files
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Grim.exe.exe windows:4 windows x86 arch: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
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 4.2MB - Virtual size: 4.2MB
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