Static task
static1
Behavioral task
behavioral1
Sample
2024-03-29_71d5c6707b64be23e1d9d263ee6a56e2_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-29_71d5c6707b64be23e1d9d263ee6a56e2_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-29_71d5c6707b64be23e1d9d263ee6a56e2_cryptolocker
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Size
42KB
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MD5
71d5c6707b64be23e1d9d263ee6a56e2
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SHA1
0847752ac25ad7b00a0eee84a1cbf90a90eb3d8e
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SHA256
bd2f92daaa6f3300946df8cf7189a6c995a62f3bb5ff0983104b285dedc415c7
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SHA512
53c3cdb566b8c4b7442b12f473b9516f12b7d5cbf7d06ecfa9703d501c35d33ac6ed144cb9268ae1c1e0580e792f3abdebb9f18d756f55bd2c5effba416d77b4
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SSDEEP
768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4REL+cc66nkp9vYk:vj+jsMQMOtEvwDpj5HW5Ii9vYk
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-03-29_71d5c6707b64be23e1d9d263ee6a56e2_cryptolocker
Files
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2024-03-29_71d5c6707b64be23e1d9d263ee6a56e2_cryptolocker.exe windows:5 windows x86 arch:x86
5c55d83b58dbc1f7154223c32a893074
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
ShowWindow
PostQuitMessage
GetMessageA
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadCursorA
LoadIconA
UpdateWindow
GetWindowRect
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FormatMessageA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetCPInfo
GetACP
CreateFileA
gdi32
CreateFontIndirectA
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 542B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ