Static task
static1
Behavioral task
behavioral1
Sample
2024-02-03_cf1b7721d7958db1c8eec9f304c4e9e8_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-03_cf1b7721d7958db1c8eec9f304c4e9e8_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-02-03_cf1b7721d7958db1c8eec9f304c4e9e8_cryptolocker
-
Size
36KB
-
MD5
cf1b7721d7958db1c8eec9f304c4e9e8
-
SHA1
7ce0058e082d6ae17d68c58c6652bf497a2be0f8
-
SHA256
61b53d0115c5cdd701dc2ab32ff32ef36685e5668b92e78de5f08dc42d784921
-
SHA512
15989b36160f5beec359a3e87cc851f39a4996f829f025b2c97b04a2a75f6f04b20f8a55ad42cb095d7a7580780dbf603b2f0726151dfd60d005f22c4db21872
-
SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnv0vl:m5nkFNMOtEvwDpjG8h09
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 2024-02-03_cf1b7721d7958db1c8eec9f304c4e9e8_cryptolocker
Files
-
2024-02-03_cf1b7721d7958db1c8eec9f304c4e9e8_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