Static task
static1
Behavioral task
behavioral1
Sample
2024-05-24_91b70772105128b2341bb3011a3b40fc_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-24_91b70772105128b2341bb3011a3b40fc_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-05-24_91b70772105128b2341bb3011a3b40fc_cryptolocker
-
Size
43KB
-
MD5
91b70772105128b2341bb3011a3b40fc
-
SHA1
079a9c21b8ca63d28bf94b8c933609ab2d2db7e9
-
SHA256
d81d313b710c4a1a2b88c0d47f5bf47d9dc49bcb6ed35151bd9c8d8ba5d94311
-
SHA512
5ef353d74413493d3afbf4cead132eda771eedc4315a53e2110ac9c2541b54c5243db39ac0cbc3fa4b7ce401bf05ece01d2f8a1d808727f2818fc3ccc6a5ae67
-
SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/CtXabM0Q:6j+1NMOtEvwDpjrR2XabMT
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 2024-05-24_91b70772105128b2341bb3011a3b40fc_cryptolocker
Files
-
2024-05-24_91b70772105128b2341bb3011a3b40fc_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: 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