Static task
static1
Behavioral task
behavioral1
Sample
2024-04-15_328f5400066b5f0e688ab484271fe9f5_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-15_328f5400066b5f0e688ab484271fe9f5_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-15_328f5400066b5f0e688ab484271fe9f5_cryptolocker
-
Size
40KB
-
MD5
328f5400066b5f0e688ab484271fe9f5
-
SHA1
865859dc3c594233e1b247ca893f5f92657d3fd8
-
SHA256
65cb6ad0597961dba379b2dc6984e958eea93d9fcee9362dc53ed90e33913c2b
-
SHA512
996ffbc2bf59154a61a8d2be730d63edfab6fc11604c726aad3285381510981b0a1f7efababd7c62632a2b4711663cc2814c29669706a21663d28a84b334c865
-
SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYsG:i5nkFGMOtEvwDpjR+viHsG
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-04-15_328f5400066b5f0e688ab484271fe9f5_cryptolocker
Files
-
2024-04-15_328f5400066b5f0e688ab484271fe9f5_cryptolocker.exe windows:5 windows x86 arch:x86
e021c9fc2c12265365fad587d43783fe
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
GetModuleHandleA
GetProcAddress
user32
EndPaint
gdi32
CreateFontIndirectA
Sections
.MPRESS1 Size: 10KB - 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: 910B
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: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE