Behavioral task
behavioral1
Sample
2024-05-09_81a58e6db38eaa0b42891244e00653de_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-09_81a58e6db38eaa0b42891244e00653de_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-05-09_81a58e6db38eaa0b42891244e00653de_cryptolocker
-
Size
51KB
-
MD5
81a58e6db38eaa0b42891244e00653de
-
SHA1
e7ef532f10ff684b6f5abff9eff213df6eab91c8
-
SHA256
a1d9d7047febacb1efc6886b1f2690ed44a4244881eb96acf00f1a3bb2cd7d5d
-
SHA512
04c2786252327fd8fcea61e12d85a6a6e80c881f90088b274c7c6a2450e950fdafdc287ac336157b95591704c69ac9f9bc243be1a9cd0ac9016b256699f29ee8
-
SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtp:bODOw9acifAoc+vp
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 2024-05-09_81a58e6db38eaa0b42891244e00653de_cryptolocker
Files
-
2024-05-09_81a58e6db38eaa0b42891244e00653de_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