Behavioral task
behavioral1
Sample
4a1f40939db65a218a8c379a5c546cc98c1e97146e973d9f267d5c4c7a8d9db2.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
4a1f40939db65a218a8c379a5c546cc98c1e97146e973d9f267d5c4c7a8d9db2.exe
Resource
win10v2004-20231215-en
General
-
Target
4a1f40939db65a218a8c379a5c546cc98c1e97146e973d9f267d5c4c7a8d9db2.exe.compressed
-
Size
99KB
-
MD5
5ba5b55d7a38a07027dc48bf8e05ef4d
-
SHA1
f5de2d6bc675ae79063261f78557b283b830b744
-
SHA256
e4637bccfb7011e01d32f1dbd2b8bdee20ad62d25dccba381639d674283c1e29
-
SHA512
6f566258a08cdf829aefcaa6eaa0f7b8edf53de46a6a60a22e29a4e102a48c1db8445f99d444a2b8aeb3a994c0ccba5bb22b9f3de6b8e556a13264e2994ea9f0
-
SSDEEP
1536:9Ij425TYRX0Y9iFAK0E+4LAyKfPKHDysmOIzSw63BtuwVZYZn:kp5TYRX0M/BCAyKXmczSw63zq
Malware Config
Signatures
-
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 4a1f40939db65a218a8c379a5c546cc98c1e97146e973d9f267d5c4c7a8d9db2.exe.compressed unpack001/out.upx
Files
-
4a1f40939db65a218a8c379a5c546cc98c1e97146e973d9f267d5c4c7a8d9db2.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
-
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