Behavioral task
behavioral1
Sample
2024-05-16_b8c05e0fa6f77a77c56265c9dd642d94_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-16_b8c05e0fa6f77a77c56265c9dd642d94_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-05-16_b8c05e0fa6f77a77c56265c9dd642d94_cryptolocker
-
Size
78KB
-
MD5
b8c05e0fa6f77a77c56265c9dd642d94
-
SHA1
42f73134812649c98d7e68bbef4c8cc1eded6f93
-
SHA256
b3126101d28e0560f42c527fe1d2533feee756837e5cdda5b10a85333da36d84
-
SHA512
6b287d532b88f341372035d9a68001621aa315ae6403e3f2685cb518f83183e5d5490ee9d0ec68f8d1113f310b55f15c844e7ffb227dd9718c1294bbce204ea4
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxnx:T6a+rdOOtEvwDpjNtHPi
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 2024-05-16_b8c05e0fa6f77a77c56265c9dd642d94_cryptolocker
Files
-
2024-05-16_b8c05e0fa6f77a77c56265c9dd642d94_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