Behavioral task
behavioral1
Sample
2024-04-04_1fa339c9f9bec06e65fa44980506d9f2_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-04_1fa339c9f9bec06e65fa44980506d9f2_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-04-04_1fa339c9f9bec06e65fa44980506d9f2_cryptolocker
-
Size
93KB
-
MD5
1fa339c9f9bec06e65fa44980506d9f2
-
SHA1
a08386385fc60f7385a51316f5d3a668b47c82e6
-
SHA256
331cd446cf6ed63066d9e391d9227b36319109282a8e8cb150d32adb962c5cc8
-
SHA512
cb6cf7f4ed6e067efa5ef14d20013862bf3256129605535a8138411fc5caeabd5ce5d176d34e0e6c00db3ccf70cfa3bfb8f5f077f6ba007804329ab32ba7bdfc
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/z:zCsanOtEvwDpjBz
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 2024-04-04_1fa339c9f9bec06e65fa44980506d9f2_cryptolocker
Files
-
2024-04-04_1fa339c9f9bec06e65fa44980506d9f2_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