Behavioral task
behavioral1
Sample
2024-05-30_a94a7b5139b778a20f611a0cc6261620_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-30_a94a7b5139b778a20f611a0cc6261620_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-05-30_a94a7b5139b778a20f611a0cc6261620_cryptolocker
-
Size
24KB
-
MD5
a94a7b5139b778a20f611a0cc6261620
-
SHA1
818d1a92146398ebde2270ff7426986e977c3233
-
SHA256
273195ec2538e6f2fcac6289da7c7216f4196116b55b2e02d2b4fdbcf72bc8bd
-
SHA512
d847cd2ce594e149d4630a042b9a70e790f7604a75ef46feb00da11c704869856f57457c4887f248f596031b07bbfc1d54878338a9de596ebb1b0a26d98dcdd3
-
SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6HMJ2AXI:bVCPwFRo6CpwXFXSqQXfjAsJTI
Malware Config
Signatures
-
Detection of CryptoLocker Variants 2 IoCs
resource yara_rule sample CryptoLocker_rule2 static1/unpack001/out.upx CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-05-30_a94a7b5139b778a20f611a0cc6261620_cryptolocker unpack001/out.upx
Files
-
2024-05-30_a94a7b5139b778a20f611a0cc6261620_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
Sections
UPX0 Size: - Virtual size: 28KB
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: 8KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
-
out.upx.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
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ