Behavioral task
behavioral1
Sample
2024-05-16_91c089e2f25f10a511bc341b9dae192a_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-16_91c089e2f25f10a511bc341b9dae192a_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-05-16_91c089e2f25f10a511bc341b9dae192a_cryptolocker
-
Size
90KB
-
MD5
91c089e2f25f10a511bc341b9dae192a
-
SHA1
12053aa17e1b2a20e82b6339a0de47873394328c
-
SHA256
9a208c0b88f7b84e7f6d6d808946b46adbf76f936aa6bf536fdf8e272965b6e0
-
SHA512
ab771e51670e0e1749b8bcc5bccc497447ae892e9b02ea08dee0ce65bb416cbb61b641461eac589cc289b6b165a23310fe425535386f3c09d14f72dc72d4ae2f
-
SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQA/0:n6a+1SEOtEvwDpjYYvQd2PM
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 2024-05-16_91c089e2f25f10a511bc341b9dae192a_cryptolocker
Files
-
2024-05-16_91c089e2f25f10a511bc341b9dae192a_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: 11KB - 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