Static task
static1
Behavioral task
behavioral1
Sample
2024-02-18_79da77296e76dcb58db06540c4f7453d_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-18_79da77296e76dcb58db06540c4f7453d_cryptolocker.exe
Resource
win10v2004-20231222-en
General
-
Target
2024-02-18_79da77296e76dcb58db06540c4f7453d_cryptolocker
-
Size
38KB
-
MD5
79da77296e76dcb58db06540c4f7453d
-
SHA1
40b912e5825b9c17b10e16ff23d07c523d4d5690
-
SHA256
2d834c52e16d4947108bcb5ded37b4a8f470410d617901d950954d66a3a94128
-
SHA512
fec5d319ac4dbdec6bb3b0122d6aaf29664523c87c0b898995e44c911b51025541b91d5e9bfdadf95d59c3dd122233b09b7d50600b127c3d3be4ca5cc06afe4b
-
SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRhpk9:m5nkFNMOtEvwDpjG8hhXLpk9
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 2024-02-18_79da77296e76dcb58db06540c4f7453d_cryptolocker
Files
-
2024-02-18_79da77296e76dcb58db06540c4f7453d_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