Behavioral task
behavioral1
Sample
2024-05-24_4f1227cbc77ad31a20cbbd8542f74ab9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-24_4f1227cbc77ad31a20cbbd8542f74ab9_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-05-24_4f1227cbc77ad31a20cbbd8542f74ab9_cryptolocker
-
Size
91KB
-
MD5
4f1227cbc77ad31a20cbbd8542f74ab9
-
SHA1
200ca07f1b73ab93154229100bc88a382ed711be
-
SHA256
c343132a311dbb1f8956290636bc6e5bb7697a850041fd02d7c8c123ae750bac
-
SHA512
202e37d1e8b610d8384db974521b1676fb4c38723fad577a9a8ab149f25f90e5b193a4f986e773da127c9c62e902e21357d2144c7c419beace7cb42a52e88fd6
-
SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/D2:n6a+1SEOtEvwDpjYYvQd2P5
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 2024-05-24_4f1227cbc77ad31a20cbbd8542f74ab9_cryptolocker
Files
-
2024-05-24_4f1227cbc77ad31a20cbbd8542f74ab9_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: 11KB - 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