Behavioral task
behavioral1
Sample
6bf7dfae58fad5746134a659dde58aaeb39834ad2b5bd022493581e543166658.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
6bf7dfae58fad5746134a659dde58aaeb39834ad2b5bd022493581e543166658.exe
Resource
win10v2004-20231215-en
General
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Target
6bf7dfae58fad5746134a659dde58aaeb39834ad2b5bd022493581e543166658.exe.compressed
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Size
442KB
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MD5
91443db3281cc1f6025483b62b23d221
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SHA1
f330accd6a228878d3a86ac3ff239deda39263c0
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SHA256
41ae96b338f143f382e5cbed6d6b730e847c71bbc0d3453411c122990759d08c
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SHA512
0db193a93849c929462a8b19a0b7cc8cbea6ee02ddca3802c36de9189c3dce8da40021d9e26bd4216401a83e1d11e31305769bb60b22cbbbc2adee8aa3805041
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SSDEEP
6144:UiMjX3En9o3Chide4wlP5HrJTeRk9TBVH0:Ur3E9bhKeFlPe/
Malware Config
Signatures
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Detects command variations typically used by ransomware 1 IoCs
resource yara_rule static1/unpack001/out.upx INDICATOR_SUSPICIOUS_GENRansomware -
Detects executables containing anti-forensic artifacts of deleting USN change journal. Observed in ransomware 1 IoCs
resource yara_rule static1/unpack001/out.upx INDICATOR_SUSPICIOUS_USNDeleteJournal -
Detects executables containing commands for clearing Windows Event Logs 1 IoCs
resource yara_rule static1/unpack001/out.upx INDICATOR_SUSPICIOUS_ClearWinLogs -
Detects executables containing many references to VEEAM. Observed in ransomware 1 IoCs
resource yara_rule static1/unpack001/out.upx INDICATOR_SUSPICOUS_EXE_References_VEEAM -
Detects executables embedding registry key / value combination indicative of disabling Windows Defender features 1 IoCs
resource yara_rule static1/unpack001/out.upx INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender -
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 6bf7dfae58fad5746134a659dde58aaeb39834ad2b5bd022493581e543166658.exe.compressed unpack001/out.upx
Files
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6bf7dfae58fad5746134a659dde58aaeb39834ad2b5bd022493581e543166658.exe.compressed.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 592KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 188KB - Virtual size: 188KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 253KB - Virtual size: 256KB
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_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 232KB - Virtual size: 231KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 117KB - Virtual size: 116KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 85KB - Virtual size: 132KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.gfids Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 253KB - Virtual size: 252KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 15KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ