Behavioral task
behavioral1
Sample
2024-05-17_b86594475bd699ddc10c898f6b54dd33_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-17_b86594475bd699ddc10c898f6b54dd33_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-05-17_b86594475bd699ddc10c898f6b54dd33_cryptolocker
-
Size
81KB
-
MD5
b86594475bd699ddc10c898f6b54dd33
-
SHA1
24911748a0eff2572972c8ce162344a38e620fe0
-
SHA256
788fa3d8f315771236cd49d5fc5efede114abc9d1e47bdef667a8db0da80df0a
-
SHA512
bad197bcc8d15e65858afe57eadea8cee4344ca2241710011f737bf7dc506b79216176faac2cb2bbbc3b62909f822f99a79674a1d66651111b27c4c97f721b3f
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qsp1:zCsanOtEvwDpjU
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 2024-05-17_b86594475bd699ddc10c898f6b54dd33_cryptolocker
Files
-
2024-05-17_b86594475bd699ddc10c898f6b54dd33_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