Static task
static1
Behavioral task
behavioral1
Sample
2024-03-18_4f2db051d3fe45f6aeb948a7b5e9f5ea_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-18_4f2db051d3fe45f6aeb948a7b5e9f5ea_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-18_4f2db051d3fe45f6aeb948a7b5e9f5ea_cryptolocker
-
Size
103KB
-
MD5
4f2db051d3fe45f6aeb948a7b5e9f5ea
-
SHA1
fdc808cff6d6f014bf7723d3b69842c39237f486
-
SHA256
deafdb6119db39afc6fb6f15f970a67a44be12a8eca207c320dc22392e5d4f9f
-
SHA512
eab25f8e01792b4304d6cf29eae8d101bb0c03afc9d5cbdecb30d82102d2cd1af8c6536754293fc35854c4cb1e615f14261aa4becb6eb98a4bdd9d2c1b896f04
-
SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjzUNojlEy8fZQiOA:i5nkFGMOtEvwDpjNbwQEIikgNyEOA
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 2024-03-18_4f2db051d3fe45f6aeb948a7b5e9f5ea_cryptolocker
Files
-
2024-03-18_4f2db051d3fe45f6aeb948a7b5e9f5ea_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