Behavioral task
behavioral1
Sample
2024-01-25_b9e3b1f4cfb5a68bb44fc789b76cb1ab_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_b9e3b1f4cfb5a68bb44fc789b76cb1ab_cryptolocker.exe
Resource
win10v2004-20231222-en
General
-
Target
2024-01-25_b9e3b1f4cfb5a68bb44fc789b76cb1ab_cryptolocker
-
Size
82KB
-
MD5
b9e3b1f4cfb5a68bb44fc789b76cb1ab
-
SHA1
1392e15426b20f6fb07e2924b8afec747436555e
-
SHA256
9b50a17f5d84fa0ba22e5fe38774b3e4bbff94a1ae91def92c1e8e178337f438
-
SHA512
f979ac9a528f4b10da4c89d428253a80c0580e64c59d34787245d8141e1f02d5c5305efb863fcee18183e5846e2cc01dd8dee42c6410ba142f12827ac69e01d3
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1bl:zCsanOtEvwDpjz
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 2024-01-25_b9e3b1f4cfb5a68bb44fc789b76cb1ab_cryptolocker
Files
-
2024-01-25_b9e3b1f4cfb5a68bb44fc789b76cb1ab_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_CODE
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