Behavioral task
behavioral1
Sample
2024-05-05_af31aa3ee59982743093453898f02608_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-05_af31aa3ee59982743093453898f02608_cryptolocker.exe
Resource
win10v2004-20240419-en
General
-
Target
2024-05-05_af31aa3ee59982743093453898f02608_cryptolocker
-
Size
77KB
-
MD5
af31aa3ee59982743093453898f02608
-
SHA1
bcfc24d1676e7d780f491aba530c75055ea01ce7
-
SHA256
6a99a4981413d700765a3199f330fa7581837292cadfc5ce42ba3f78b45e0299
-
SHA512
bc9543c1dcf09b10f3510e68517f8542ecb0e136a684655efdc590d2a484630f807ba270161bc09d01e8f137dd8fbe05ebfbc6054b21a8518833477a60d9829b
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxB1R:T6a+rdOOtEvwDpjNtHP2
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 2024-05-05_af31aa3ee59982743093453898f02608_cryptolocker
Files
-
2024-05-05_af31aa3ee59982743093453898f02608_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