Behavioral task
behavioral1
Sample
043c2ea7473300aeef75d4347969ea2c54784e16892fb535b293b9dddb32b02d.exe
Resource
win7-20240221-en
General
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Target
043c2ea7473300aeef75d4347969ea2c54784e16892fb535b293b9dddb32b02d.exe
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Size
233KB
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MD5
b0e371680c2c465a447d8cb4ad0ffa57
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SHA1
b622b7dfb03b70219fe047abd365fe88a4316394
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SHA256
043c2ea7473300aeef75d4347969ea2c54784e16892fb535b293b9dddb32b02d
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SHA512
b6956d170613bfae4afb1754bf9a2bdcc8ebce5a4e4c2d8052921a929969bf67f8defa8ad6f396fedf45dfd65d70e19bbe2998f49b6f16bb3167b392fb231577
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SSDEEP
6144:4mvl3n8iOiB4RBucKa3h80tK2gBWvADGGw6j1:tvlX8i8RB5JvADGGnj
Malware Config
Signatures
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Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 1 IoCs
resource yara_rule static1/unpack001/out.upx INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM -
Remcos family
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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 043c2ea7473300aeef75d4347969ea2c54784e16892fb535b293b9dddb32b02d.exe unpack001/out.upx
Files
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043c2ea7473300aeef75d4347969ea2c54784e16892fb535b293b9dddb32b02d.exe.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 312KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 213KB - Virtual size: 216KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 18KB - Virtual size: 20KB
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_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 348KB - Virtual size: 348KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 94KB - Virtual size: 94KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 23KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.gfids Size: 1024B - Virtual size: 560B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 19KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 15KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ