Behavioral task
behavioral1
Sample
2024-05-28_a2c38b94f613f2280173715faa1ebfe1_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-28_a2c38b94f613f2280173715faa1ebfe1_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-05-28_a2c38b94f613f2280173715faa1ebfe1_cryptolocker
-
Size
91KB
-
MD5
a2c38b94f613f2280173715faa1ebfe1
-
SHA1
ba88c6766055ad89b671c64b5cf03b264ba9f112
-
SHA256
98ae85d07f5b801ab49626a7c78c85f5843b2b9f87f858109ec015ef96fc48bd
-
SHA512
2950be45f389aa30fdfe13869ed64e60c6d170298519e87467df629f5c9f54dc98612fc50a627052cb5f2bde4f105aba266d341bbd45355639c974a04ff576ac
-
SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAyc:n6a+1SEOtEvwDpjYYvQd2Pd
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 2024-05-28_a2c38b94f613f2280173715faa1ebfe1_cryptolocker
Files
-
2024-05-28_a2c38b94f613f2280173715faa1ebfe1_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