Static task
static1
Behavioral task
behavioral1
Sample
2024-02-12_fe311b8669002c7c8a1f1435596057d2_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-12_fe311b8669002c7c8a1f1435596057d2_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-02-12_fe311b8669002c7c8a1f1435596057d2_cryptolocker
-
Size
100KB
-
MD5
fe311b8669002c7c8a1f1435596057d2
-
SHA1
2e753682f626136dca023cca369425f505282fea
-
SHA256
693c34b07c30663dc8ff2e1337161d6afdeba8cf8cdfa0136822666e51a6be69
-
SHA512
c395c9fb6159ac5ae0b66846ee7f6aba50bb6995303e21e0b30fa0d929956bca32909ac7c4403735d0bb82fa6840ff94dac0ca48e739a3039d37e4f8f8504c27
-
SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjzUNu55:i5nkFGMOtEvwDpjNbwQEIikgN0
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 2024-02-12_fe311b8669002c7c8a1f1435596057d2_cryptolocker
Files
-
2024-02-12_fe311b8669002c7c8a1f1435596057d2_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