Behavioral task
behavioral1
Sample
2024-01-23_28867ba61edc9f14ec333eabc20aa05e_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_28867ba61edc9f14ec333eabc20aa05e_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-23_28867ba61edc9f14ec333eabc20aa05e_cryptolocker
-
Size
115KB
-
MD5
28867ba61edc9f14ec333eabc20aa05e
-
SHA1
5501dd3314c2c5935be918fae0bdc01a96068752
-
SHA256
4ff6cad8e7545e3919a70eabf04653b6e94b63b2f0e06cfc92d61b40c37ae4a7
-
SHA512
21156154efdc527860355707fe0d5c285062c6c9753ed63202a8c3d0c4fbf9104daf6d395bea9ff0687705ed9bcf66837093e5c60fd9282c7269de3b1dcf6cb8
-
SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01Ws:z6a+CdOOtEvwDpjczN
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 2024-01-23_28867ba61edc9f14ec333eabc20aa05e_cryptolocker
Files
-
2024-01-23_28867ba61edc9f14ec333eabc20aa05e_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: 10KB - 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