Static task
static1
Behavioral task
behavioral1
Sample
2024-01-24_f85a8f2946128beada7b0781b7c8a868_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-24_f85a8f2946128beada7b0781b7c8a868_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-24_f85a8f2946128beada7b0781b7c8a868_cryptolocker
-
Size
39KB
-
MD5
f85a8f2946128beada7b0781b7c8a868
-
SHA1
3a7753e8373a470256d28b7ed6f195e4ff4c9a38
-
SHA256
74d8e185fe7d811982f2949e8c6f79326692cf312e5bc1775d563c2709422f80
-
SHA512
008e9e012d636a46efcba88b7c314ba729931552e72a3c244f45ef9fa4434f79a6b20d238d045e5c6661a5b6523539eb20875450caa3608ec4bc5ed65f1db803
-
SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvgpnK:m5nkFNMOtEvwDpjG8hgpK
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 2024-01-24_f85a8f2946128beada7b0781b7c8a868_cryptolocker
Files
-
2024-01-24_f85a8f2946128beada7b0781b7c8a868_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: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE