Behavioral task
behavioral1
Sample
2024-05-13_9a8bf17317591fdec4e574bb7845d9ef_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-13_9a8bf17317591fdec4e574bb7845d9ef_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-05-13_9a8bf17317591fdec4e574bb7845d9ef_cryptolocker
-
Size
51KB
-
MD5
9a8bf17317591fdec4e574bb7845d9ef
-
SHA1
3759a7eb1b327456dde86ff2100f3ba4ba9547de
-
SHA256
bfd0cecee310b6f2c0ac0a7ba56d8b0c09a01cac04cdf79381c26e8aed25cdc3
-
SHA512
6149be97dde1cd0f03c9a9c3de67c35bfaf0e34b7e0c549bae56b27636e27ff3ee236a2f5cc1613e51bfe73b83346b5141521c53117d385f320197eeb82a2e86
-
SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOV:bODOw9acifAoc+vC
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-13_9a8bf17317591fdec4e574bb7845d9ef_cryptolocker
Files
-
2024-05-13_9a8bf17317591fdec4e574bb7845d9ef_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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 16KB - 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
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE