Behavioral task
behavioral1
Sample
b1a77981163f3e0dc4893ab23025b68a849d2c6f8b1f461cb092d0b84ab3ed6f.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b1a77981163f3e0dc4893ab23025b68a849d2c6f8b1f461cb092d0b84ab3ed6f.exe
Resource
win10v2004-20240426-en
General
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Target
b1a77981163f3e0dc4893ab23025b68a849d2c6f8b1f461cb092d0b84ab3ed6f
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Size
170KB
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MD5
58e1665a917e646d6a1157f73d7dedec
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SHA1
f3837d9238e5cda85d3e8616b1fe92633fc1b1c3
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SHA256
b1a77981163f3e0dc4893ab23025b68a849d2c6f8b1f461cb092d0b84ab3ed6f
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SHA512
129540e628613e092cd8126badc5a02b359d96207619a2999e9a90104ac2b79ee687c4e50dad43aa6cba666912185f3981f8979a9d79c3f59f6104ac7d821b1d
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SSDEEP
3072:YjbLl/gvQoutP1Tj4mYWR/R4nkPR/1aVuyJ1T2YzXum60lMr43TW:YjluQoStIo5R4nM/40yJF2EXuFEW
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 1 IoCs
Checks for missing Authenticode signature.
resource b1a77981163f3e0dc4893ab23025b68a849d2c6f8b1f461cb092d0b84ab3ed6f
Files
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b1a77981163f3e0dc4893ab23025b68a849d2c6f8b1f461cb092d0b84ab3ed6f.exe windows:4 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NO_ISOLATION
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: 68KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 36KB - Virtual size: 36KB
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
.ktlju Size: 4KB - Virtual size: 4KB
.wu Size: 512B - Virtual size: 4KB