Static task
static1
Behavioral task
behavioral1
Sample
2024-05-15_31fb35fb0dc4efc9129dabc898a0aa41_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-15_31fb35fb0dc4efc9129dabc898a0aa41_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-05-15_31fb35fb0dc4efc9129dabc898a0aa41_cryptolocker
-
Size
68KB
-
MD5
31fb35fb0dc4efc9129dabc898a0aa41
-
SHA1
6c1f35650d0135701b519270f12cfabed8d8e4d0
-
SHA256
03e556e3b0d0d5b190c61955bd929f5b4fc95f4fc2abf9c3e39ca00f18fa5e05
-
SHA512
6b85f65bd073cdf66a03236951e831a8f96c713a3586e7c6911b150b2347e646456bdf8ed8afc108e0994ab559d17077a802052ff8fb7d23818a0650156cff24
-
SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUNsYD/dB:i5nkFGMOtEvwDpjNbwQEI8UZDL
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 2024-05-15_31fb35fb0dc4efc9129dabc898a0aa41_cryptolocker
Files
-
2024-05-15_31fb35fb0dc4efc9129dabc898a0aa41_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