Static task
static1
Behavioral task
behavioral1
Sample
2024-04-09_b831d7ace5e17a0947cd0a169a9305c2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-09_b831d7ace5e17a0947cd0a169a9305c2_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-04-09_b831d7ace5e17a0947cd0a169a9305c2_cryptolocker
-
Size
41KB
-
MD5
b831d7ace5e17a0947cd0a169a9305c2
-
SHA1
49d69f1dd1871b41491cad45711ba0c561aa5bf8
-
SHA256
90d7aa785a80a8cc2aa972a2e76d6aa61b677c2eb5c2e76f6e8e203be8167fc9
-
SHA512
0a04540af28ca15ee69dcd6e2b4ee5c2dae833d5ee5f95c556bbcc19fc08a74e3b5701ebcbb043645409302cb154cebf02a7377efabde00673ecc8cc8ddafb53
-
SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvgpnY1X:m5nkFNMOtEvwDpjG8hgpY1X
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 2024-04-09_b831d7ace5e17a0947cd0a169a9305c2_cryptolocker
Files
-
2024-04-09_b831d7ace5e17a0947cd0a169a9305c2_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