Behavioral task
behavioral1
Sample
b4ac369e43a358a3ff1653a8c8f95d1836b5a1583e5f455f77c0904f92343eac.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b4ac369e43a358a3ff1653a8c8f95d1836b5a1583e5f455f77c0904f92343eac.exe
Resource
win10v2004-20240226-en
General
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Target
b4ac369e43a358a3ff1653a8c8f95d1836b5a1583e5f455f77c0904f92343eac
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Size
284KB
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MD5
aa32fd5e4d9100a5b2b3fc7387921919
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SHA1
d6a33c9679c63c7be9224c6b148b974fe1df5164
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SHA256
b4ac369e43a358a3ff1653a8c8f95d1836b5a1583e5f455f77c0904f92343eac
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SHA512
662040826a4f20c485dac2e204b0ea3b6399aaf17c0e23dc1031a1adc07872e035365c6636e3e24adeb7f6785abe58e1bfa59c10083aed01dac6a163b2811f1b
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SSDEEP
3072:rPL+rqBloJBz3f7z3VCeKeHWMMDM45xx/bgbntDy1:TL+rqBloJJn3VvK6Wr7xpbSo
Malware Config
Signatures
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UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource b4ac369e43a358a3ff1653a8c8f95d1836b5a1583e5f455f77c0904f92343eac unpack001/out.upx
Files
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b4ac369e43a358a3ff1653a8c8f95d1836b5a1583e5f455f77c0904f92343eac.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 168KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 13KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
.bss Size: - Virtual size: 145KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 24KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE