Behavioral task
behavioral1
Sample
2024-02-19_4f554689107237d641eaf5cc8e3768f4_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-19_4f554689107237d641eaf5cc8e3768f4_cryptolocker.exe
Resource
win10v2004-20231222-en
General
-
Target
2024-02-19_4f554689107237d641eaf5cc8e3768f4_cryptolocker
-
Size
82KB
-
MD5
4f554689107237d641eaf5cc8e3768f4
-
SHA1
009a739025da39e8c3f63e177159abcc19f04454
-
SHA256
bbf811dd9e50cdb0370d56ec8ce43466f0b4ff13905c562a2bb54f81aa3036c1
-
SHA512
7086b52252439ae54df317aafe7da35332f798950521363015691430a41a665b8d83fc62188c725dce75f7856c40a11e3d80e24fc72edb77e47d527362a3f1a6
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vw:T6a+rdOOtEvwDpjNE
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 2024-02-19_4f554689107237d641eaf5cc8e3768f4_cryptolocker
Files
-
2024-02-19_4f554689107237d641eaf5cc8e3768f4_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