Behavioral task
behavioral1
Sample
e54fb1887eb31f1d01b3907c6904242fc9c97bd570d14cba63e3f1371c3ff63c.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
e54fb1887eb31f1d01b3907c6904242fc9c97bd570d14cba63e3f1371c3ff63c.exe
Resource
win10v2004-20240508-en
General
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Target
e54fb1887eb31f1d01b3907c6904242fc9c97bd570d14cba63e3f1371c3ff63c.exe
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Size
2.4MB
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MD5
d759431d0fcb55881fc3e2afbb1f55d6
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SHA1
0eec4ba9798b4b27aca06185f21d9824cbbd967a
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SHA256
e54fb1887eb31f1d01b3907c6904242fc9c97bd570d14cba63e3f1371c3ff63c
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SHA512
34f412a65d740af84d4d64eebe2a2392f401047d93d3a2af3b4c67831ae5bff50e9ace2cb716179bdd996f88630bd9dc7c95634d0e14f1239d63e1e10a871fbd
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SSDEEP
49152:rnbmsfPOgcnmnrtYeWoy1bp5nZxV0q64ubnvJjEekNoKBSdjsR:rbHnOrnmrcnvVTnOnxwrSBsR
Malware Config
Signatures
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Detects Windows executables referencing non-Windows User-Agents 1 IoCs
resource yara_rule static1/unpack001/out.upx INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
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 e54fb1887eb31f1d01b3907c6904242fc9c97bd570d14cba63e3f1371c3ff63c.exe unpack001/out.upx
Files
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e54fb1887eb31f1d01b3907c6904242fc9c97bd570d14cba63e3f1371c3ff63c.exe.exe windows:6 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: - Virtual size: 4.5MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 2.4MB - Virtual size: 2.4MB
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:6 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
Sections
.text Size: 2.6MB - Virtual size: 2.6MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 2.7MB - Virtual size: 2.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1.1MB - Virtual size: 1.5MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 71KB - Virtual size: 70KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.symtab Size: 512B - Virtual size: 4B
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ