Behavioral task
behavioral1
Sample
2024-04-26_83d0d3dfe1d8a3dde2710c70a5520b1e_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-26_83d0d3dfe1d8a3dde2710c70a5520b1e_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-26_83d0d3dfe1d8a3dde2710c70a5520b1e_cryptolocker
-
Size
96KB
-
MD5
83d0d3dfe1d8a3dde2710c70a5520b1e
-
SHA1
6acdc9fc44c932eebc46694e550298d09c5cc54c
-
SHA256
8d6b5c87e798f09fb6f17ea7900d01c7298e8747a9d9975a57e25d4fe2a5238d
-
SHA512
2b7dd96cc12509fa18c570230cc0a006198b9e959bd343ae3e6b461d12e2058761eec8ef1cc5dc1ddfe0d30879e50cebee035e97effaa9570338b4922939bf7f
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bA:zCsanOtEvwDpjBk
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 2024-04-26_83d0d3dfe1d8a3dde2710c70a5520b1e_cryptolocker
Files
-
2024-04-26_83d0d3dfe1d8a3dde2710c70a5520b1e_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_CODE
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