Static task
static1
Behavioral task
behavioral1
Sample
2024-05-27_a7bc83650b0e5fd2bed99a64a24c318c_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-27_a7bc83650b0e5fd2bed99a64a24c318c_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-27_a7bc83650b0e5fd2bed99a64a24c318c_cryptolocker
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Size
38KB
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MD5
a7bc83650b0e5fd2bed99a64a24c318c
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SHA1
84aa4a2ec8f0356e2a55a0728b5f3a17a20b0f68
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SHA256
0411249550438b773b55a805f1198227fea563ed97bee1c7120b288d90172f74
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SHA512
d8189311ce2c51cb83bb43504840497f3a084c212cb8b893e4881785e9156f6633a295bc4e1c778f53b6edd33c6e70c7ab9d529b1bbe83499300a9d66274f356
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SSDEEP
768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4q0:fT+hsMQMOtEvwDpjoIHL
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 2024-05-27_a7bc83650b0e5fd2bed99a64a24c318c_cryptolocker
Files
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2024-05-27_a7bc83650b0e5fd2bed99a64a24c318c_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
.ropf Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ