Behavioral task
behavioral1
Sample
2024-02-19_e4334cbfdb9dcd93fa0b6654c28d2001_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-02-19_e4334cbfdb9dcd93fa0b6654c28d2001_cryptolocker.exe
Resource
win10v2004-20231222-en
General
-
Target
2024-02-19_e4334cbfdb9dcd93fa0b6654c28d2001_cryptolocker
-
Size
55KB
-
MD5
e4334cbfdb9dcd93fa0b6654c28d2001
-
SHA1
0fd99ef6f11b98cf64fd33f0f209581aa63d5c51
-
SHA256
9580ab28997f0703bec7572d07bc0fcdfde14ace5c89e9f0f0a79a6b44f672ac
-
SHA512
d55f28dc365d957cd83a2364e82d017452cfe137582060243f4078c3aaa7c378a2d34c16ed13ebb0ad0643254515108e210dd353570eb049e2698b9779769c19
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axcE9GF:z6QFElP6n+gKmddpMOtEvwDpj9aYa59A
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 2024-02-19_e4334cbfdb9dcd93fa0b6654c28d2001_cryptolocker
Files
-
2024-02-19_e4334cbfdb9dcd93fa0b6654c28d2001_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