Static task
static1
Behavioral task
behavioral1
Sample
2024-03-29_b4584c332d8148e2fcad381848f46cd9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-29_b4584c332d8148e2fcad381848f46cd9_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-29_b4584c332d8148e2fcad381848f46cd9_cryptolocker
-
Size
57KB
-
MD5
b4584c332d8148e2fcad381848f46cd9
-
SHA1
43797f995c240e8fd67a86e694f532a4024c8657
-
SHA256
2a5c067df91c55430b665faa0838a6c486119a00e7805c0f124cc21df45f64a0
-
SHA512
0b70670b433aa1a87909ec5bef7a60ae9b98c895f114b5239cc719c769d2d4d6d84e8c9ea62a3dfd42d8fae7d33811eaa522e69212f6050fc4c56c813a3da0d1
-
SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZgBh8i6g7GowfjG:xj+VGMOtEvwDpjubEgU
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 2024-03-29_b4584c332d8148e2fcad381848f46cd9_cryptolocker
Files
-
2024-03-29_b4584c332d8148e2fcad381848f46cd9_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