Behavioral task
behavioral1
Sample
2024-04-17_6d40519382e1bfa90cc068679e5fcdb5_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-17_6d40519382e1bfa90cc068679e5fcdb5_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-17_6d40519382e1bfa90cc068679e5fcdb5_cryptolocker
-
Size
22KB
-
MD5
6d40519382e1bfa90cc068679e5fcdb5
-
SHA1
215a15d9d98a575d8e154333ce1086ebeca365ca
-
SHA256
9a0c0d7eaac7013a983ad48e137f809fb98d502ee6cf8028b2a8489418c7c2ad
-
SHA512
958f4c74360df8b7c5bd2284a07f621ca16bfc714f9a5aff104d91d9964cb996a803870f9e74640d0b6513d466aca45da03676dd56ebfef284fb0a3b482f5789
-
SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6HS:bVCPwFRo6CpwXFXSqQXfjAy
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 2024-04-17_6d40519382e1bfa90cc068679e5fcdb5_cryptolocker unpack001/out.upx
Files
-
2024-04-17_6d40519382e1bfa90cc068679e5fcdb5_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