Behavioral task
behavioral1
Sample
2024-04-19_4cc6b4b59454e606501a5345eaccc7f5_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-19_4cc6b4b59454e606501a5345eaccc7f5_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-19_4cc6b4b59454e606501a5345eaccc7f5_cryptolocker
-
Size
85KB
-
MD5
4cc6b4b59454e606501a5345eaccc7f5
-
SHA1
0458496036e28fdd7d34c73c1e4fa4b50e0ca3b5
-
SHA256
af61f70c000b8b8e8ae5273248351d215f1abd8b993e71b813524a15fca3d0bc
-
SHA512
1097069f8a8a2c8e228ea047fa1a8ddcb760ee52981743962be2101e4340edf1e894d741c35488315cf695a5ca1f45aad617d055a694a177ef702f407b4d9cbb
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5Rp:T6a+rdOOtEvwDpjNc
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 2024-04-19_4cc6b4b59454e606501a5345eaccc7f5_cryptolocker
Files
-
2024-04-19_4cc6b4b59454e606501a5345eaccc7f5_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