Behavioral task
behavioral1
Sample
2024-05-11_9813fc40931f3d5ae1b8752fc62815a8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-11_9813fc40931f3d5ae1b8752fc62815a8_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-05-11_9813fc40931f3d5ae1b8752fc62815a8_cryptolocker
-
Size
52KB
-
MD5
9813fc40931f3d5ae1b8752fc62815a8
-
SHA1
fdf683e2e72a5d4be8f7ed4eb0d5c3eebdbde8f1
-
SHA256
62a9db5285320c17b07808968c933a6b572c5ca285e013e09a55f0db1776b2b0
-
SHA512
7e988868680a03ce38e9e268f4299cecf471c36c9e1b602bfd0eda131294680f0c544b0a795bcd2e582880312840cd0fb553858657f4e03fa4aa92ace14cc57d
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOT:z6QFElP6n+gKmddpMOtEvwDpj31iT
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 2024-05-11_9813fc40931f3d5ae1b8752fc62815a8_cryptolocker
Files
-
2024-05-11_9813fc40931f3d5ae1b8752fc62815a8_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