Behavioral task
behavioral1
Sample
2024-05-27_ef8c70856482e49ad6851377344f257a_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-27_ef8c70856482e49ad6851377344f257a_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-05-27_ef8c70856482e49ad6851377344f257a_cryptolocker
-
Size
78KB
-
MD5
ef8c70856482e49ad6851377344f257a
-
SHA1
e1c074aad0ece49304ed28bd29c8bcc09ca6e163
-
SHA256
f014662fd8b580e00dbbce9a048df6a80d4aa4e4a41dc77c8956bd84d9143a8d
-
SHA512
bc13ef3c758b64b14807cb3f1c6dc597660d6803379382eb59022d8a03c7e6f2e752644ed3990266508ed5128f51f946ec669a16786e2759d25d0e26d177fea8
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxnR:T6a+rdOOtEvwDpjNtHPS
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 2024-05-27_ef8c70856482e49ad6851377344f257a_cryptolocker
Files
-
2024-05-27_ef8c70856482e49ad6851377344f257a_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