Behavioral task
behavioral1
Sample
2024-05-10_f5496509df1cf087ccb97dd01432b19a_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-10_f5496509df1cf087ccb97dd01432b19a_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-05-10_f5496509df1cf087ccb97dd01432b19a_cryptolocker
-
Size
84KB
-
MD5
f5496509df1cf087ccb97dd01432b19a
-
SHA1
5d74f5f27419e1fe40ae642a241cfee6dd626025
-
SHA256
c7cafda63a7faad145cc630a7b3698b1fdc069e427736497fa816cc435f6d3db
-
SHA512
32cce00c5596f0d96b1bcd1f0ef2da5e11dc5b6d026ed7f62507693c3a539391cd42e6d8d458a861ae6a4d60de48a35637d1d6c4739563a91317e47219897a20
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1A:zCsanOtEvwDpjW
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 2024-05-10_f5496509df1cf087ccb97dd01432b19a_cryptolocker
Files
-
2024-05-10_f5496509df1cf087ccb97dd01432b19a_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