Behavioral task
behavioral1
Sample
2024-03-06_e3a8f72cad4a71004e3eee90f8935c1f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-06_e3a8f72cad4a71004e3eee90f8935c1f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-06_e3a8f72cad4a71004e3eee90f8935c1f_cryptolocker
-
Size
56KB
-
MD5
e3a8f72cad4a71004e3eee90f8935c1f
-
SHA1
b0b1f2371747e351e0e2be472c5c79b75384fe0f
-
SHA256
c06c59e9ac632d0665bdf61146357eedabf68f7f0c29262dcc463f4640226952
-
SHA512
c86b466a4007a8c50900ec906242bb59dc8d1690170ab6cb6208ea7c87cc63f65086d973885d5e42e337b8d3a060ef70f1cac7a7d491ead5fc0cc1cf692f206d
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appx:z6QFElP6n+gKmddpMOtEvwDpj9aYaB
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 2024-03-06_e3a8f72cad4a71004e3eee90f8935c1f_cryptolocker
Files
-
2024-03-06_e3a8f72cad4a71004e3eee90f8935c1f_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