Static task
static1
Behavioral task
behavioral1
Sample
2024-03-13_0b8790d181811a2d21ab267eba461250_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-13_0b8790d181811a2d21ab267eba461250_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-13_0b8790d181811a2d21ab267eba461250_cryptolocker
-
Size
100KB
-
MD5
0b8790d181811a2d21ab267eba461250
-
SHA1
9c39e4b022cd19c5b3d81bd40d7d082403db3057
-
SHA256
f11455c2d945fb9e68e5f72e9faa17131ced9c25aec0ff978664b2b4a8617aa9
-
SHA512
91b7034bd25f7562d78d89460b61b22baa35214a235b06b8b383f5f00e8b25c11629202e6195b17ec6ba2638f7bd8ca097e8a3f84596d34da3e57ba9db1fcf3e
-
SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjz/6wH:i5nkFGMOtEvwDpjNbwQEIikrV
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 2024-03-13_0b8790d181811a2d21ab267eba461250_cryptolocker
Files
-
2024-03-13_0b8790d181811a2d21ab267eba461250_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