Behavioral task
behavioral1
Sample
bf8ffcc89a244e8300b1711b4635dc68949a587fa3543cebe8bf3ba6c5fdc689.exe
Resource
win7-20231215-en
General
-
Target
bf8ffcc89a244e8300b1711b4635dc68949a587fa3543cebe8bf3ba6c5fdc689
-
Size
595KB
-
MD5
f8c6aa00297cd30555943dfce5056dc1
-
SHA1
def13abf359c3b843ca84792fe7164ea469f5064
-
SHA256
bf8ffcc89a244e8300b1711b4635dc68949a587fa3543cebe8bf3ba6c5fdc689
-
SHA512
a74504c865d5e95ed0c381556f6ad1054f9a637d3b77d9650c663a9739ee8aa0af88b7921e2f2fbb054a3eca3fbbff9bc18d6ceaf9fa4a04f5b2eed44c9a8d36
-
SSDEEP
12288:EAEx4EoqHsQdmxl6zbr+F3KUfwnYoKUUKLJ5Ns1//jYv57D+XZHG:/Ex45zxI+FotUKw//jYBX+s
Malware Config
Signatures
-
resource yara_rule sample upx -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule static1/unpack001/out.upx autoit_exe -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource bf8ffcc89a244e8300b1711b4635dc68949a587fa3543cebe8bf3ba6c5fdc689 unpack001/out.upx
Files
-
bf8ffcc89a244e8300b1711b4635dc68949a587fa3543cebe8bf3ba6c5fdc689.exe windows:5 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: 576KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 580KB - Virtual size: 584KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
-
out.upx.exe windows:5 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: 656KB - Virtual size: 656KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 180KB - Virtual size: 179KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 26KB - Virtual size: 46KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 28KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 206KB - Virtual size: 205KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ