Behavioral task
behavioral1
Sample
2024-03-28_75e066ccdd73f0d7397440843114b20c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-28_75e066ccdd73f0d7397440843114b20c_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-28_75e066ccdd73f0d7397440843114b20c_cryptolocker
-
Size
83KB
-
MD5
75e066ccdd73f0d7397440843114b20c
-
SHA1
a0c0fbe415a410466201add28e4f32e187bcc53d
-
SHA256
8c0596282864175c6b306b66577533ff825aa9b4b0e3a76ead6f860723aff20c
-
SHA512
9b7c50a69cf96e2dcf2ea33f86966760fe60653e060ea6ea226660ad531adc53e60a7a5bb58c2efca9d22ecb37694d5fb3767acbb6ed427e75e9d6e1d99c7e97
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7f:T6a+rdOOtEvwDpjNz
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 2024-03-28_75e066ccdd73f0d7397440843114b20c_cryptolocker
Files
-
2024-03-28_75e066ccdd73f0d7397440843114b20c_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