Behavioral task
behavioral1
Sample
2024-03-12_857a3ee388144bb5619fc79389e941a6_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-12_857a3ee388144bb5619fc79389e941a6_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-12_857a3ee388144bb5619fc79389e941a6_cryptolocker
-
Size
80KB
-
MD5
857a3ee388144bb5619fc79389e941a6
-
SHA1
ec938bf1de1908014dc5962b14ed51193d0f71e7
-
SHA256
74dfa267a36457d38efb657c766919d4edf4ca638bd151ef4523602648e80860
-
SHA512
e698ac8a6c874270e9278c8aa6d92d6cad715d45203d9ce355e4c0047bc936183456e690c1d4a6fe006dff370088fc82b3772f34590f726c53bd72bc74a856cb
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kySeM:zCsanOtEvwDpjf
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 2024-03-12_857a3ee388144bb5619fc79389e941a6_cryptolocker
Files
-
2024-03-12_857a3ee388144bb5619fc79389e941a6_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