Behavioral task
behavioral1
Sample
2024-03-07_a9bb0ac6bea221e5039e12bfa2a2eb0c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-07_a9bb0ac6bea221e5039e12bfa2a2eb0c_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-07_a9bb0ac6bea221e5039e12bfa2a2eb0c_cryptolocker
-
Size
62KB
-
MD5
a9bb0ac6bea221e5039e12bfa2a2eb0c
-
SHA1
c6adaa9336d2f177af582cea0d6b4056a2a57d80
-
SHA256
3c1c67bff085ec22595bf33acbe76fe8ffddb505237a6979876ded71bb66b79b
-
SHA512
e78b624d04655b2f098c302945ab21815acfb83698477696893e8feabf7d4aa281229ce1cfe862787fbb500370e40f8c5af7032ab7d4a1f7cb13266044167962
-
SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVwJ:zj+soPSMOtEvwDpj4kpmeLmnc
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 2024-03-07_a9bb0ac6bea221e5039e12bfa2a2eb0c_cryptolocker
Files
-
2024-03-07_a9bb0ac6bea221e5039e12bfa2a2eb0c_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