Behavioral task
behavioral1
Sample
77bf7331efffdf22521c0cebaf9efb32.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
77bf7331efffdf22521c0cebaf9efb32.exe
Resource
win10v2004-20231222-en
General
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Target
77bf7331efffdf22521c0cebaf9efb32
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Size
683KB
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MD5
77bf7331efffdf22521c0cebaf9efb32
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SHA1
d797a88fb1f18d9ecc5f91f29b569d6fc4620495
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SHA256
aab8b3ba6f4653465d04c5510532c28fa322958e706fff7fdec64b79a2518001
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SHA512
fef0ae525cf987ec67092975e5c7403efc2885426f003fe6c0405dc9b8883104b68c551377978644c5820074db0ced96dac86e55d2f7e9fc4e611484417f2f3a
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SSDEEP
12288:vomB2fFbcjgAlMuzjyYJkFy43+PLEtAGK8uGtffrgFnxNOMfo33sUKpfcsFmcyoR:vo1f1KRhS3OPLEtAGK8rdUFxXo33Opfh
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 77bf7331efffdf22521c0cebaf9efb32 unpack001/out.upx
Files
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77bf7331efffdf22521c0cebaf9efb32.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 1.0MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 338KB - Virtual size: 340KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 344KB - Virtual size: 348KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 569KB - Virtual size: 568KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 102KB - Virtual size: 102KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 11KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 657KB - Virtual size: 656KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 31KB - Virtual size: 30KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ