Behavioral task
behavioral1
Sample
2024-06-15_31b1fb01255916dec8b17c94be686fbd_cryptolocker.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
2024-06-15_31b1fb01255916dec8b17c94be686fbd_cryptolocker.exe
Resource
win10v2004-20240611-en
General
-
Target
2024-06-15_31b1fb01255916dec8b17c94be686fbd_cryptolocker
-
Size
89KB
-
MD5
31b1fb01255916dec8b17c94be686fbd
-
SHA1
1026ae5b3890e97e1ad11414d41741d702751d8f
-
SHA256
9e8e21cd4820319f56ce5e7cf5315871117803c08a2d7a058ac12965e0fc88ec
-
SHA512
fa0ed1d96dfc92311a5ee3c18540d72153a35a8247732867d71ae6955de0c97eec01e3f6a01805bbb378d0678534bafd7ded15c452bd3637583bd04373dc14be
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy8tybln:zCsanOtEvwDpj4
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 2024-06-15_31b1fb01255916dec8b17c94be686fbd_cryptolocker
Files
-
2024-06-15_31b1fb01255916dec8b17c94be686fbd_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