Behavioral task
behavioral1
Sample
a4f8b6fb11df6e45def0725932c4b0ecd1600a0ad95fce82eb2cf80d81e58553.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a4f8b6fb11df6e45def0725932c4b0ecd1600a0ad95fce82eb2cf80d81e58553.exe
Resource
win10v2004-20240226-en
General
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Target
a4f8b6fb11df6e45def0725932c4b0ecd1600a0ad95fce82eb2cf80d81e58553
-
Size
4.5MB
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MD5
51e08c7ef7e36824cf37a1452a4676ee
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SHA1
c47045625654b47bf7757cf485b2a1d95bf3d4ce
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SHA256
a4f8b6fb11df6e45def0725932c4b0ecd1600a0ad95fce82eb2cf80d81e58553
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SHA512
d05064bb435273cc9e54640083d4a98e36e4b8b2ad5e3f4509b9768e38338671a85f1aaf89191fdf6197718e51432de759b8b2bf52f4ef11ca3318effdbb57bd
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SSDEEP
98304:eD133Rgk5ZaH9LSznvOE5kGlF9KtkX36hZLBhv0P06iHAghViDDsWxO98azj3yO5:wRIWznRkGbKIP+HdODDlU9VzyO+vTtQ1
Malware Config
Signatures
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UPX dump on OEP (original entry point) 2 IoCs
resource yara_rule sample UPX static1/unpack001/out.upx UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource a4f8b6fb11df6e45def0725932c4b0ecd1600a0ad95fce82eb2cf80d81e58553 unpack001/out.upx
Files
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a4f8b6fb11df6e45def0725932c4b0ecd1600a0ad95fce82eb2cf80d81e58553.exe windows:1 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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
UPX0 Size: - Virtual size: 44KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 4.5MB - Virtual size: 4.5MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:1 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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 512B - Virtual size: 184B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 1005B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1024B - Virtual size: 580B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 4B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 672B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 4.5MB - Virtual size: 4.5MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ