Behavioral task
behavioral1
Sample
2024-04-20_fe77620b88535394a82f1ec7d08c6e33_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-20_fe77620b88535394a82f1ec7d08c6e33_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-20_fe77620b88535394a82f1ec7d08c6e33_cryptolocker
-
Size
40KB
-
MD5
fe77620b88535394a82f1ec7d08c6e33
-
SHA1
68e01f194efc617fed72f687bd392688ca32299e
-
SHA256
9f63cbda8a53c2fcc9c9a2a1124ba881b41372ebdbc3597375d6577391e3e235
-
SHA512
85afd47c1e1e07b5b9001dcb36ae292714e9cc9ad37b38386038595d1fbaf7c0e38ebb2c7990d0c05258ca5b7e868ccec746900c66b9d0bd11de50491ccee768
-
SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHR:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKx
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-04-20_fe77620b88535394a82f1ec7d08c6e33_cryptolocker
Files
-
2024-04-20_fe77620b88535394a82f1ec7d08c6e33_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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