Static task
static1
Behavioral task
behavioral1
Sample
2024-03-29_b3c7799b2fc83e782c9d4aedb1f5b17f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-29_b3c7799b2fc83e782c9d4aedb1f5b17f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-29_b3c7799b2fc83e782c9d4aedb1f5b17f_cryptolocker
-
Size
40KB
-
MD5
b3c7799b2fc83e782c9d4aedb1f5b17f
-
SHA1
17cd986e5460a6d64daa9af476f55236e4b5f838
-
SHA256
6229e4fce7054f0e9f685e69d43821eae7af5aba642798a0ba5145d046042889
-
SHA512
707579142c13e261a35b199e1dac05b378ae5fcda85e6758fea3f2aba483331dabed188b9fdb7a5571646fa26b32c47780b3c355785aa63d77cc5a76cfa8db1d
-
SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9RzhwaO43:i5nkFGMOtEvwDpjR+TJ
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 2024-03-29_b3c7799b2fc83e782c9d4aedb1f5b17f_cryptolocker
Files
-
2024-03-29_b3c7799b2fc83e782c9d4aedb1f5b17f_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