Static task
static1
Behavioral task
behavioral1
Sample
2024-04-21_73554f28a47d1e2259f1f788fdbd7bb2_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-21_73554f28a47d1e2259f1f788fdbd7bb2_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-21_73554f28a47d1e2259f1f788fdbd7bb2_cryptolocker
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Size
125KB
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MD5
73554f28a47d1e2259f1f788fdbd7bb2
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SHA1
97aa0e61de2cb0f13f3aa6f9928c9c542de9071a
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SHA256
da1d515aa31b9266dba8f4d9f637c75bd45a56c7ffe3c9d4be3c310f7e77792d
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SHA512
6ddb5fef35c39b0332b895b1e79ce0d4681c7e54df18a2f7634422ff7946123eb4fb92eb126730f23c6459d0fa324da5842c3068602e62adf926a63864694074
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SSDEEP
1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//vV:vCjsIOtEvwDpj5H9YvQd2RD
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 2024-04-21_73554f28a47d1e2259f1f788fdbd7bb2_cryptolocker
Files
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2024-04-21_73554f28a47d1e2259f1f788fdbd7bb2_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