Static task
static1
Behavioral task
behavioral1
Sample
2024-06-08_a3d3b606aeba297cf6f4759e767d67e3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-08_a3d3b606aeba297cf6f4759e767d67e3_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-06-08_a3d3b606aeba297cf6f4759e767d67e3_cryptolocker
-
Size
43KB
-
MD5
a3d3b606aeba297cf6f4759e767d67e3
-
SHA1
7d564e64da971e34f6bd3cf10f8afff03d27ba2d
-
SHA256
d35a7cdc3c3665a85ac3f81e74e0ba51ac264311c669cbf99eda0e3d8f8fc682
-
SHA512
7c5f5be3ba165a6d4e27cc9a1eda797129096d63a0c3afb246bcc1540df0953102278d0aea5c9de12b976aa61b5525680ec389a585a2190c97b25f4d2e511a5b
-
SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYshNhF:i5nkFGMOtEvwDpjR+viHshNz
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 2024-06-08_a3d3b606aeba297cf6f4759e767d67e3_cryptolocker
Files
-
2024-06-08_a3d3b606aeba297cf6f4759e767d67e3_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