Behavioral task
behavioral1
Sample
2024-03-12_fd72ac9dc805f8c56dce8c6e32969b7f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-12_fd72ac9dc805f8c56dce8c6e32969b7f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-12_fd72ac9dc805f8c56dce8c6e32969b7f_cryptolocker
-
Size
56KB
-
MD5
fd72ac9dc805f8c56dce8c6e32969b7f
-
SHA1
b7de5854f092b9bb091bb364f395e1c3800b79eb
-
SHA256
dc364a2ae9cf1a5d0ed6cf25eff5fa01efe7aaf6120f6923b5dcbfcbbad1c02e
-
SHA512
8dccf30f7d616b5f57546405d9d4da852dd422b1647786f94a912993ab83676eeb6439374e3eb4742e5ff40a5b11ba7006735d61729e0c00c858bad105c299ce
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axcE9G+:z6QFElP6n+gKmddpMOtEvwDpj9aYa59v
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 2024-03-12_fd72ac9dc805f8c56dce8c6e32969b7f_cryptolocker
Files
-
2024-03-12_fd72ac9dc805f8c56dce8c6e32969b7f_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