Behavioral task
behavioral1
Sample
2024-04-27_b1b9fa34deca2f0918c07e8988df8675_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-27_b1b9fa34deca2f0918c07e8988df8675_cryptolocker.exe
Resource
win10v2004-20240419-en
General
-
Target
2024-04-27_b1b9fa34deca2f0918c07e8988df8675_cryptolocker
-
Size
79KB
-
MD5
b1b9fa34deca2f0918c07e8988df8675
-
SHA1
1b230dc2ae8f531e95f76797f72a2680cb5d80f6
-
SHA256
354c7883c36c383933863ea7d7e5cc1042e4674ea40d9b9f38b993623d044fcc
-
SHA512
b66bb28ed3d3d493e6911f86002ec3559775f755b498aeaeed0cb6ffd55890df0086f089fe059756aacbc0602900af12aba8f989fb1cbdbae92e7ddb787e9d87
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOA+YSafiPuqd8:T6a+rdOOtEvwDpjNcF
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 2024-04-27_b1b9fa34deca2f0918c07e8988df8675_cryptolocker
Files
-
2024-04-27_b1b9fa34deca2f0918c07e8988df8675_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