Behavioral task
behavioral1
Sample
81df42a0831a1b7daa44b16af1d05b1d.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
81df42a0831a1b7daa44b16af1d05b1d.exe
Resource
win10v2004-20231215-en
General
-
Target
81df42a0831a1b7daa44b16af1d05b1d
-
Size
1.0MB
-
MD5
81df42a0831a1b7daa44b16af1d05b1d
-
SHA1
6d9a38ebe2193edab660911dba4d0fadee0b5e4c
-
SHA256
af7d3b7f73b312de473cea630a01ff4c1c6749f906198fbadde72d75c8fbd5d9
-
SHA512
db461483161a5f002f4afee8c319fc5f299fa407bd71da720fb2bf7e9489bdabb3287bd0f5320eed7fca29c458f2aad80bad05c53b6baabe1bc1b6401635ea1c
-
SSDEEP
24576:qD3euKmLCkWZAc0cHTrlQzSraIKu78ThO3pEUaUTV4s:M3+pFmiHXLaI8KaUT
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 81df42a0831a1b7daa44b16af1d05b1d unpack001/out.upx
Files
-
81df42a0831a1b7daa44b16af1d05b1d.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_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 384KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 228KB - Virtual size: 228KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 5KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
-
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_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 421KB - Virtual size: 420KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 56KB - Virtual size: 55KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 25KB - Virtual size: 105KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ