Behavioral task
behavioral1
Sample
2024-02-14_489632a693d4d3188daa392ebc1b9e41_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-14_489632a693d4d3188daa392ebc1b9e41_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-02-14_489632a693d4d3188daa392ebc1b9e41_cryptolocker
-
Size
63KB
-
MD5
489632a693d4d3188daa392ebc1b9e41
-
SHA1
40fbaac056099564f5b072755415bec4a301b055
-
SHA256
538507b7dddc3b561016e49ecb13956350a889ff4a42d96205883ad975e32e24
-
SHA512
8da2998a84742a12d0d85f816db823ce88dff11a47167219a6aed81507c82f7ab1c4abb9fef1dc52a3630ea0ce1cb5a1a66bac392bfa9ee6e5c4d6bb0ce70f5b
-
SSDEEP
768:T6LsoEEeegiZPvEhHSG+gkum/kLyMro2GtOOtEvwDpjhXMLamkc8J5h6GRegz:T6QFElP6n+gxmddpMOtEvwDpjwa34wz
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 2024-02-14_489632a693d4d3188daa392ebc1b9e41_cryptolocker
Files
-
2024-02-14_489632a693d4d3188daa392ebc1b9e41_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_CODE
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