Static task
static1
Behavioral task
behavioral1
Sample
2024-02-04_ef8dcedf8c1c3c8a8bcbf006bf9d49d6_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-04_ef8dcedf8c1c3c8a8bcbf006bf9d49d6_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-02-04_ef8dcedf8c1c3c8a8bcbf006bf9d49d6_cryptolocker
-
Size
56KB
-
MD5
ef8dcedf8c1c3c8a8bcbf006bf9d49d6
-
SHA1
1aaaca642343a965c4d8625455ec1885c0c15818
-
SHA256
5aa0e1a665bd7fc0313363fe0879de6be733b88b41432a95673cbd0f9f79e550
-
SHA512
66202676cfac7d1e4f8ad57077d7bb0563921f25b63accfb1870dcca4ca1add0656a1c973f94868affb033aaf77a865a3872c3c1266adb0f66e9ed2834996a28
-
SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZgBh8i6g7Goi20Pb3:xj+VGMOtEvwDpjubEgV20D3
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 2024-02-04_ef8dcedf8c1c3c8a8bcbf006bf9d49d6_cryptolocker
Files
-
2024-02-04_ef8dcedf8c1c3c8a8bcbf006bf9d49d6_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