Static task
static1
Behavioral task
behavioral1
Sample
2024-01-27_33108fe87dbdcef84a9d0c18b25e9e0b_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-27_33108fe87dbdcef84a9d0c18b25e9e0b_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-27_33108fe87dbdcef84a9d0c18b25e9e0b_cryptolocker
-
Size
85KB
-
MD5
33108fe87dbdcef84a9d0c18b25e9e0b
-
SHA1
4a46e7a41c493083e6fc5adf3d1532e2cf743947
-
SHA256
25504cc4e3f33139c96f6878de77e961d4ec88fb9b1a55e6ab65aa49c698e41e
-
SHA512
081b7237645d5c551bcad6f3eff8d9114c1e8d5900b4d0e79878eb5bbad185449f93b6ca5cedb9f462081c2f4b26ed9691d4a85576999950826d506b6c6e33dd
-
SSDEEP
1536:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8Acr5:okFDOtEvwDpjP25
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_33108fe87dbdcef84a9d0c18b25e9e0b_cryptolocker
Files
-
2024-01-27_33108fe87dbdcef84a9d0c18b25e9e0b_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