Static task
static1
Behavioral task
behavioral1
Sample
2024-01-18_9ff371cafbc40aa6f29d9e8d699d3f58_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-18_9ff371cafbc40aa6f29d9e8d699d3f58_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-18_9ff371cafbc40aa6f29d9e8d699d3f58_cryptolocker
-
Size
38KB
-
MD5
9ff371cafbc40aa6f29d9e8d699d3f58
-
SHA1
4263d218fcaeb88d859c3d465c3c941992edaaf9
-
SHA256
c047ac125340158ac84187b877e9e017e0a8c3071e6d565645be20a93d9d28cb
-
SHA512
d495f3918bd834a0959b01f311f4dbae9464f41197b7b1c237cc539817fc8ef623b2218653a0ab1d581b12ea162675f06e58dd4407aa4b0f76ba42437ff9f181
-
SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLtldJQBC:i5nkFGMOtEvwDpjn/JQg
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 2024-01-18_9ff371cafbc40aa6f29d9e8d699d3f58_cryptolocker
Files
-
2024-01-18_9ff371cafbc40aa6f29d9e8d699d3f58_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