Behavioral task
behavioral1
Sample
2024-03-27_81e515e5d93b32d96a91131cc723b7e6_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-27_81e515e5d93b32d96a91131cc723b7e6_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-27_81e515e5d93b32d96a91131cc723b7e6_cryptolocker
-
Size
100KB
-
MD5
81e515e5d93b32d96a91131cc723b7e6
-
SHA1
a5989a0ca41d4ea3ad4431c80b1ab0736be63592
-
SHA256
f0d1e81d475e522ce9baea4ddc7686f6b5a4d091d2c4d2440257b18166bc0235
-
SHA512
5d583b49e15c978fa9456bdce30e3e5ee349f6beefabf455173bbb319fb9ca3abba0923560c34d5309aec8cbffa04a21b2992c3b54b555a696727ecc4b886ccc
-
SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/BKiXa6cL1:z6a+CdOOtEvwDpjcw
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 2024-03-27_81e515e5d93b32d96a91131cc723b7e6_cryptolocker
Files
-
2024-03-27_81e515e5d93b32d96a91131cc723b7e6_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