Behavioral task
behavioral1
Sample
2024-02-20_ef8044e3ba4f77c06f23c4b01aaf28e7_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-20_ef8044e3ba4f77c06f23c4b01aaf28e7_cryptolocker.exe
Resource
win10v2004-20231222-en
General
-
Target
2024-02-20_ef8044e3ba4f77c06f23c4b01aaf28e7_cryptolocker
-
Size
116KB
-
MD5
ef8044e3ba4f77c06f23c4b01aaf28e7
-
SHA1
c95bab824780bb165316044d01ac5e67e9bbb118
-
SHA256
0f0211c6874cef792d28d5c7afaf48df360b91c1d6e09469e8d80b9bf8aad0a7
-
SHA512
eb584e36d5a08306c22a81942731a7b0a2c770d462e77ffe3475eb5e28d5852bc427ad2a72a69c4719588b98b48c6ce61654ba82629ab1b1673032aea223d29a
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjCGYQbN/PKwNLX9l:T6a+rdOOtEvwDpjLz5
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 2024-02-20_ef8044e3ba4f77c06f23c4b01aaf28e7_cryptolocker
Files
-
2024-02-20_ef8044e3ba4f77c06f23c4b01aaf28e7_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