Static task
static1
Behavioral task
behavioral1
Sample
2024-01-27_b618de084c642c817ef7ac7d93f176ed_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-27_b618de084c642c817ef7ac7d93f176ed_cryptolocker.exe
Resource
win10v2004-20231222-en
General
-
Target
2024-01-27_b618de084c642c817ef7ac7d93f176ed_cryptolocker
-
Size
39KB
-
MD5
b618de084c642c817ef7ac7d93f176ed
-
SHA1
1bd1a2b1e55abfa47b7b1e5d68adcda646637939
-
SHA256
99a72b73be5f60f50b7ee3c7dc2f8d6da3eb5f608b0e9f72e6a3c85f948938dd
-
SHA512
551077cff12b14c53a2b463856afb9198b1a1c5bbb6403d9cd3bd7ea0e815943d22305a7cd37425987af53a30c0c53355ab663e80a643b2a397412ef0c1122f6
-
SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvgpneI:m5nkFNMOtEvwDpjG8hgpeI
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 2024-01-27_b618de084c642c817ef7ac7d93f176ed_cryptolocker
Files
-
2024-01-27_b618de084c642c817ef7ac7d93f176ed_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