Behavioral task
behavioral1
Sample
2024-02-17_37d12a5781a763741bb7d3f9069937b6_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-17_37d12a5781a763741bb7d3f9069937b6_cryptolocker.exe
Resource
win10v2004-20231222-en
General
-
Target
2024-02-17_37d12a5781a763741bb7d3f9069937b6_cryptolocker
-
Size
68KB
-
MD5
37d12a5781a763741bb7d3f9069937b6
-
SHA1
a3e043db93ef1cc0907a2eee902f32cc19cac590
-
SHA256
0e90f3da03766c8473a0abf52be44ab3e597b4a24f8ac4f963b267f6481cc1ed
-
SHA512
7c584f3f3e2d6aab27d92da8a88bd9d5e57eee8c115f1eadd6422d8888a0929d5f191c318e6793f48f561931257401853c5efd2a184e6714744d0be947a73f51
-
SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAvCbDa6JU:z6a+CdOOtEvwDpjQHW
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 2024-02-17_37d12a5781a763741bb7d3f9069937b6_cryptolocker
Files
-
2024-02-17_37d12a5781a763741bb7d3f9069937b6_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