Behavioral task
behavioral1
Sample
2024-01-23_6f23fcd8cbbd507da3314a0246277b29_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-23_6f23fcd8cbbd507da3314a0246277b29_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-23_6f23fcd8cbbd507da3314a0246277b29_cryptolocker
-
Size
64KB
-
MD5
6f23fcd8cbbd507da3314a0246277b29
-
SHA1
085dc821fddb6fdf506b70f5f567f8cb08f51235
-
SHA256
888ae26c24309ea7e46e727b1376cbca8f720ed1ad5e921a1a6ce6cdd3d50467
-
SHA512
2fa145fd886ac15bdd1bb02a8917222626d95f0a72c0e46221c5288898c6d504a5774cf8260dcf91e625104f67a22edce62dc836e7d8d3a5db496c8ef6e97589
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+g0QVum/kLyMro2GtOOtEvwDpj/:z6QFElP6n+g0DmddpMOtEvwDpj
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-01-23_6f23fcd8cbbd507da3314a0246277b29_cryptolocker
Files
-
2024-01-23_6f23fcd8cbbd507da3314a0246277b29_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE