Behavioral task
behavioral1
Sample
2024-03-28_252c9705f742daaf7339403d41ee4d20_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-28_252c9705f742daaf7339403d41ee4d20_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-28_252c9705f742daaf7339403d41ee4d20_cryptolocker
-
Size
83KB
-
MD5
252c9705f742daaf7339403d41ee4d20
-
SHA1
88cf67f04031ba158b1e3c85ed26b3c690954bc4
-
SHA256
c1b014b580bb1a27d192c0968b85e5c184678314916e88b0ad93833d940d49f5
-
SHA512
7189307373356cf9145988419b7110a37c203b29eac87391df81463d83e90a8ad43233c08168b59ffa4e35e123d469cf484aa22f7e06c46bb38c0720d28032cd
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd0Oi:T6a+rdOOtEvwDpjNtG
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 2024-03-28_252c9705f742daaf7339403d41ee4d20_cryptolocker
Files
-
2024-03-28_252c9705f742daaf7339403d41ee4d20_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