Behavioral task
behavioral1
Sample
81b31c06a4c91c95d9347632a074ce42b44042427c874fac2f83511868cd19b8.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
81b31c06a4c91c95d9347632a074ce42b44042427c874fac2f83511868cd19b8.exe
Resource
win10v2004-20231215-en
General
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Target
81b31c06a4c91c95d9347632a074ce42b44042427c874fac2f83511868cd19b8.exe.compressed
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Size
99KB
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MD5
decf7415d92fe5fa79bc82db4989964a
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SHA1
321cfe8247b45559588f1c85f22c722d78cf5d22
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SHA256
ebd31a15f7ec6b66683b2dcba7445cefb809a86f891d7cca4a539ccd164541d6
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SHA512
4ed54ff04eca23902f4f6fd9272f4a06bee5fc2df2873fe8dceaa3f6fb46819243943681a9c7845d48fefba00fe3b3dfc50d4d4038d1a7851109ae4b023a3a80
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SSDEEP
1536:dIj4U6MAim2szHhIv49A08qIPPgBvlmYkw7OOlhIWGYkb+EC3LZ9m7nDofS9Z1gn:EcvimVzHCfqL1l57hsvYkyEooDgS
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 many references to VEEAM. Observed in ransomware 1 IoCs
resource yara_rule static1/unpack001/out.upx INDICATOR_SUSPICOUS_EXE_References_VEEAM -
Detects executables referencing many IR and analysis tools 1 IoCs
resource yara_rule static1/unpack001/out.upx INDICATOR_SUSPICIOUS_References_SecTools -
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 81b31c06a4c91c95d9347632a074ce42b44042427c874fac2f83511868cd19b8.exe.compressed unpack001/out.upx
Files
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81b31c06a4c91c95d9347632a074ce42b44042427c874fac2f83511868cd19b8.exe.compressed.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
Sections
UPX0 Size: - Virtual size: 156KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 96KB - Virtual size: 100KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - 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
Sections
.text Size: 197KB - Virtual size: 196KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 252B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ