Behavioral task
behavioral1
Sample
b89b1204d944546edb6356e7fdf2500c739055e7349d7b203be5ac33f00350c5.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
b89b1204d944546edb6356e7fdf2500c739055e7349d7b203be5ac33f00350c5.exe
Resource
win10v2004-20240226-en
General
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Target
b89b1204d944546edb6356e7fdf2500c739055e7349d7b203be5ac33f00350c5
-
Size
5.8MB
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MD5
8667b7fdc1b18abd0a14b7f8aa03c112
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SHA1
40ef315ef6f4af338a43dd86666e4ea3d1c41b57
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SHA256
b89b1204d944546edb6356e7fdf2500c739055e7349d7b203be5ac33f00350c5
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SHA512
e00463545bfd474f06e0efbf2946a95654f0eadfe27e46182cecffc56340eb6f420df7e180d1f238ff169b5a93dac8f2f03b11a8450b80f924e46205c7da0afd
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SSDEEP
98304:llaCCCCCCCCCCCCCCCCCCCCCCCCCCCCCt:lQCCCCCCCCCCCCCCCCCCCCCCCCCCCCCt
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 b89b1204d944546edb6356e7fdf2500c739055e7349d7b203be5ac33f00350c5 unpack001/out.upx
Files
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b89b1204d944546edb6356e7fdf2500c739055e7349d7b203be5ac33f00350c5.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NO_SEH
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: 92KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 65KB - Virtual size: 68KB
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:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NO_SEH
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
.text Size: 57KB - Virtual size: 57KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.orpc Size: 7KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
DATA Size: 11KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
INIT Size: 24KB - Virtual size: 48KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE