Behavioral task
behavioral1
Sample
2024-02-04_bd13995e3c46af7596eb1d368dcb1ad5_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-04_bd13995e3c46af7596eb1d368dcb1ad5_cryptolocker.exe
Resource
win10v2004-20231222-en
General
-
Target
2024-02-04_bd13995e3c46af7596eb1d368dcb1ad5_cryptolocker
-
Size
81KB
-
MD5
bd13995e3c46af7596eb1d368dcb1ad5
-
SHA1
86edc2b6301c413734cf45b22481ae2c761569f7
-
SHA256
3bfb2ac2455c62435b199b43bf40515fc2a6d37d1f51555769cd34b85b1b5ae5
-
SHA512
16246c03e9ff4946939cf66b94b87aa83e1b683e7ff176f34aedd9396a0ee3f6af13cf0f6b5607f67f7e8eba4bbead2210532d63c1e5de81e164cad1622c603d
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7v0D:T6a+rdOOtEvwDpjN6
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 2024-02-04_bd13995e3c46af7596eb1d368dcb1ad5_cryptolocker
Files
-
2024-02-04_bd13995e3c46af7596eb1d368dcb1ad5_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_CODE
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