Behavioral task
behavioral1
Sample
2024-01-28_3b3327ff92ac2cf28e26173989188a15_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_3b3327ff92ac2cf28e26173989188a15_cryptolocker.exe
Resource
win10v2004-20231222-en
General
-
Target
2024-01-28_3b3327ff92ac2cf28e26173989188a15_cryptolocker
-
Size
74KB
-
MD5
3b3327ff92ac2cf28e26173989188a15
-
SHA1
1a5548dbd24ebc83d70aff6efbc1bac6efbd6bb7
-
SHA256
e98743d985e15c916a2401393678b2aedd693d1c5c10cbba51fc4a465423b4f1
-
SHA512
8705a5ada29395e42693bc4d548fad05866d2dffec36967a47587607d318057ce1c5527fb49c83fffa5b4078c8930e28f1e5fbaa91492df5ee43feab8925c72f
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxV:T6a+rdOOtEvwDpjNtHPG
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 2024-01-28_3b3327ff92ac2cf28e26173989188a15_cryptolocker
Files
-
2024-01-28_3b3327ff92ac2cf28e26173989188a15_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