Behavioral task
behavioral1
Sample
2024-05-23_0b9daa5a9a431758c983a4e05f4b4652_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-23_0b9daa5a9a431758c983a4e05f4b4652_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-05-23_0b9daa5a9a431758c983a4e05f4b4652_cryptolocker
-
Size
90KB
-
MD5
0b9daa5a9a431758c983a4e05f4b4652
-
SHA1
97dba6aeab2278a3d503985681df276d8429c94e
-
SHA256
fb5c2d6bb6c2b04ed18995fa48cdf14347b100393c59f9c0e002b7cd8314bc8d
-
SHA512
0b37796f52b6cf4b54c3e4650e2677050e830afd818bb3e6e0c8f8cc9df6c0ce6fe0be8f5ac8df88fcaf834712f2c48d1d01752bbfe676ce8e0d3f404896e3a1
-
SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/38:n6a+1SEOtEvwDpjYYvQd2PD
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-05-23_0b9daa5a9a431758c983a4e05f4b4652_cryptolocker
Files
-
2024-05-23_0b9daa5a9a431758c983a4e05f4b4652_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: 20KB - Virtual size: 32KB
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: 11KB - 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