Behavioral task
behavioral1
Sample
2024-03-29_55990bf563c0fde2ac19f1b09c2629c5_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-29_55990bf563c0fde2ac19f1b09c2629c5_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-29_55990bf563c0fde2ac19f1b09c2629c5_cryptolocker
-
Size
118KB
-
MD5
55990bf563c0fde2ac19f1b09c2629c5
-
SHA1
6f5f39a3338d42fc28a66d5f3d9196c48da8beaf
-
SHA256
70f3dd8cd9427a2f0d3ae041b47e8963a2de7eb23324f1ddbff8ff5b18399320
-
SHA512
720ac4cb9373204b41aacff5f1ec71b824acede76335205ae432e2298a489c218552e52d80cb1f6caeada1bb58d566801d54aa89cc94717799232c1c1bff9f1d
-
SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01QatS:z6a+CdOOtEvwDpjczq
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 2024-03-29_55990bf563c0fde2ac19f1b09c2629c5_cryptolocker
Files
-
2024-03-29_55990bf563c0fde2ac19f1b09c2629c5_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