Static task
static1
Behavioral task
behavioral1
Sample
2024-02-22_99854ab2bca50c3da91d2d4f8eaf51d5_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-02-22_99854ab2bca50c3da91d2d4f8eaf51d5_cryptolocker.exe
Resource
win10v2004-20240221-en
General
-
Target
2024-02-22_99854ab2bca50c3da91d2d4f8eaf51d5_cryptolocker
-
Size
57KB
-
MD5
99854ab2bca50c3da91d2d4f8eaf51d5
-
SHA1
5b35feff3bc65ecadb33196ac41bb0dd8a056847
-
SHA256
a56159e5cc60c8db084f541cfcd5927ec5a873e0f2243036e639f3a14dc8bf5e
-
SHA512
fa74af4fe6ab0fd22cf493121fe4e24a122b0638be74a9b3b832f9dc06af67ff0eb10d48cacde0044c8a3a5b1b4b477c33c452edd54d4ad001bff1f28257f441
-
SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZgBh8i6g7Goi20PbVj:xj+VGMOtEvwDpjubEgV20DJ
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 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-22_99854ab2bca50c3da91d2d4f8eaf51d5_cryptolocker
Files
-
2024-02-22_99854ab2bca50c3da91d2d4f8eaf51d5_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
.MPRESS1 Size: 17KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 16KB
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