Behavioral task
behavioral1
Sample
2024-02-18_a0e7e4baeafe3162d733cfb4a83b7685_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-18_a0e7e4baeafe3162d733cfb4a83b7685_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-02-18_a0e7e4baeafe3162d733cfb4a83b7685_cryptolocker
-
Size
55KB
-
MD5
a0e7e4baeafe3162d733cfb4a83b7685
-
SHA1
02eab5b04255573b3fcf8234db0a2f19c03243b0
-
SHA256
ec497a576dfff8420e6d1b9d9ed6ddb352b90e4dbe5d390ed46767ed046c6b55
-
SHA512
53e86d665c40a410151f590750f0ca058874df8213dab180cce5d513e86b3bc670ba7c499b3b7273be513f83fb271a34d8e026a50e756e00f70d19de2c13bd99
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axc0:z6QFElP6n+gKmddpMOtEvwDpj9aYaB
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 2024-02-18_a0e7e4baeafe3162d733cfb4a83b7685_cryptolocker
Files
-
2024-02-18_a0e7e4baeafe3162d733cfb4a83b7685_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: 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