Behavioral task
behavioral1
Sample
2024-02-23_9aa3c1ff4fab00833bf36462dedf4b61_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_9aa3c1ff4fab00833bf36462dedf4b61_cryptolocker.exe
Resource
win10v2004-20240221-en
General
-
Target
2024-02-23_9aa3c1ff4fab00833bf36462dedf4b61_cryptolocker
-
Size
69KB
-
MD5
9aa3c1ff4fab00833bf36462dedf4b61
-
SHA1
a5552b7ea1b430399c449c83a36615b3a817fadd
-
SHA256
78881a9d6ceed4de3940d022bfafa3acc612294c5da410bf168446f43b8aa8a7
-
SHA512
8b4b8ce302a5aebc9fbfdeeeba8f115fc85b93ec0943bf3128b714c219dbc1d1061e67e905127392f0fd9c24e20e08ecd75983d023b4fe96a2d4f8ab6ff72597
-
SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBZ:z6a+CdOOtEvwDpjQr
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 2024-02-23_9aa3c1ff4fab00833bf36462dedf4b61_cryptolocker
Files
-
2024-02-23_9aa3c1ff4fab00833bf36462dedf4b61_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