Behavioral task
behavioral1
Sample
2024-01-27_b4f4df5d2deb84930eb5333145eb4fc0_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-27_b4f4df5d2deb84930eb5333145eb4fc0_cryptolocker.exe
Resource
win10v2004-20231222-en
General
-
Target
2024-01-27_b4f4df5d2deb84930eb5333145eb4fc0_cryptolocker
-
Size
54KB
-
MD5
b4f4df5d2deb84930eb5333145eb4fc0
-
SHA1
0fa5b64b290070cf4e3f329b141a17d97a9215b9
-
SHA256
347e8399dc72979a25504c0f9d4adf1668d40c91eb0d2ac28b345dbfd64cb426
-
SHA512
e60cdb283f3597b67bb3d5c0bbce88861b5c072e7b97e84719d4007ad4d4c77079fafa64df622d38f3c93220d61f4581ba988502d7579317e1c0b3bc1f3b0492
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax84c:z6QFElP6n+gKmddpMOtEvwDpj9aYas
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 2024-01-27_b4f4df5d2deb84930eb5333145eb4fc0_cryptolocker
Files
-
2024-01-27_b4f4df5d2deb84930eb5333145eb4fc0_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