Behavioral task
behavioral1
Sample
2024-06-03_c57ce5325e5fef0d62584f8a755a9be1_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-03_c57ce5325e5fef0d62584f8a755a9be1_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-06-03_c57ce5325e5fef0d62584f8a755a9be1_cryptolocker
-
Size
54KB
-
MD5
c57ce5325e5fef0d62584f8a755a9be1
-
SHA1
1723345cd8fc92ca9da3198549f5f045746b9a09
-
SHA256
d936d112df709e292abaaeaeedf566e26dbc1af1401ca76671bcf36432fefb52
-
SHA512
c575abdde3e942b8b65028ce7255fa870b3d4b2453d866f991b0be33ebb49e32df26e7c1ca73934659c3423a52bdb30d1e3fe555e813aa148460da542c49487f
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOkaj:z6QFElP6n+gKmddpMOtEvwDpj31ikU
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 2024-06-03_c57ce5325e5fef0d62584f8a755a9be1_cryptolocker
Files
-
2024-06-03_c57ce5325e5fef0d62584f8a755a9be1_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