Static task
static1
Behavioral task
behavioral1
Sample
2024-02-04_538933a6cee8bf72b41b36a220bf457f_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-04_538933a6cee8bf72b41b36a220bf457f_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-02-04_538933a6cee8bf72b41b36a220bf457f_cryptolocker
-
Size
65KB
-
MD5
538933a6cee8bf72b41b36a220bf457f
-
SHA1
b1d025752527cf17bb4719daa1ffb5ecf32ab8ba
-
SHA256
33cfd40e3699664a6c226ca4204867a6aef3a968c24d62d4e31b5ca2e4f08ba9
-
SHA512
827e0b729818646be574dcde296c3680aa42160ff8388c9247e340f98e1a18069ed323a2f34470ec2021d4fd0b3edd60e714048b83ee0a62e7d43c9bd6f252a9
-
SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUw:i5nkFGMOtEvwDpjNbwQEI8Uw
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 2024-02-04_538933a6cee8bf72b41b36a220bf457f_cryptolocker
Files
-
2024-02-04_538933a6cee8bf72b41b36a220bf457f_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