Behavioral task
behavioral1
Sample
2024-04-29_319df06f48e7d7c686f7cdf7fe474a01_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-29_319df06f48e7d7c686f7cdf7fe474a01_cryptolocker.exe
Resource
win10v2004-20240419-en
General
-
Target
2024-04-29_319df06f48e7d7c686f7cdf7fe474a01_cryptolocker
-
Size
23KB
-
MD5
319df06f48e7d7c686f7cdf7fe474a01
-
SHA1
0a3e178cd11fe925f2646962db24f1650eb2ed12
-
SHA256
4b68591879343fb6bdf1c1b25168e3de0f8c70186230a75c5b2bf67d7c431e9f
-
SHA512
5309122216ce7473e216d593cc6f2977777c582fe821c3f166d628e341a4bc40f3f5ccbe212dd362452d8699dd83cb5ed09995147a185d0d4dc5845a72f321ee
-
SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6Hjp:bVCPwFRo6CpwXFXSqQXfjAV
Malware Config
Signatures
-
Detection of CryptoLocker Variants 2 IoCs
resource yara_rule sample CryptoLocker_rule2 static1/unpack001/out.upx CryptoLocker_rule2 -
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 2024-04-29_319df06f48e7d7c686f7cdf7fe474a01_cryptolocker unpack001/out.upx
Files
-
2024-04-29_319df06f48e7d7c686f7cdf7fe474a01_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
-
out.upx.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ