Behavioral task
behavioral1
Sample
2024-06-01_bf045ecbc19b57d797e7aa416bd12455_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-01_bf045ecbc19b57d797e7aa416bd12455_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-06-01_bf045ecbc19b57d797e7aa416bd12455_cryptolocker
-
Size
90KB
-
MD5
bf045ecbc19b57d797e7aa416bd12455
-
SHA1
2b0d0c673f629e69ea961130147eee0b9a7f06ce
-
SHA256
207e61adef9f1f0f8c12126f833fdfbf64ec74611a0c1cdfd6ac781c0ba79740
-
SHA512
1a700b9ca3172a3e11ae9a596eea964c466c15b123f56eac6b02eed4f16a86b9ed458cf214ce9e5662ff02f5e557ccf2817bdd62dbe75bc04049cc611b035ace
-
SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAE:n6a+1SEOtEvwDpjYYvQd2PE
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 2024-06-01_bf045ecbc19b57d797e7aa416bd12455_cryptolocker
Files
-
2024-06-01_bf045ecbc19b57d797e7aa416bd12455_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