Behavioral task
behavioral1
Sample
2024-04-30_55bde52267877d9e79b9426c8555f4e5_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-30_55bde52267877d9e79b9426c8555f4e5_cryptolocker.exe
Resource
win10v2004-20240419-en
General
-
Target
2024-04-30_55bde52267877d9e79b9426c8555f4e5_cryptolocker
-
Size
55KB
-
MD5
55bde52267877d9e79b9426c8555f4e5
-
SHA1
b1772d092e17d45b432dae402b731048cb134929
-
SHA256
d9141d3c134caf35c1ed7f1a0788584341aab7fc212e9b9a3b9993c40da4d0b3
-
SHA512
386f0933be2ddd23ed4250fb97f081530426584e00fbf52fe7b26b94e1b921259cbad103f8c267040aa21248936075648894f3aebd63e9502dc602f90fed5f1f
-
SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl6E:bP9g/xtCS3Dxx0S
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 2024-04-30_55bde52267877d9e79b9426c8555f4e5_cryptolocker
Files
-
2024-04-30_55bde52267877d9e79b9426c8555f4e5_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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