Static task
static1
Behavioral task
behavioral1
Sample
2024-02-23_77db6742b66e7d855be3f6b9bd9c7107_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_77db6742b66e7d855be3f6b9bd9c7107_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_77db6742b66e7d855be3f6b9bd9c7107_cryptolocker
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Size
40KB
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MD5
77db6742b66e7d855be3f6b9bd9c7107
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SHA1
ef70b836746373963880d6356bb20d978774acd3
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SHA256
5b8c7d85b071129d203d89e468a174fbee92c7c5a178a5af0194f24dfc2ac487
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SHA512
aae6fdbe13b33ae2b65302d1a51519f4296d5ef4615d16ccecbaf65bdcaa59e7e5d2f1963ca1b66d19609939c1efbec5bfdc38b57d4f59ff4d3da5243206ba17
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SSDEEP
768:bAvJCYOOvbRPDEgXrNekd7l94i3py/yY/YXW3:bAvJCF+RQgJeab4sy/lYXW3
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-23_77db6742b66e7d855be3f6b9bd9c7107_cryptolocker
Files
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2024-02-23_77db6742b66e7d855be3f6b9bd9c7107_cryptolocker.exe windows:5 windows x86 arch:x86
5a4767bc6f06914cff6e249c178e3b95
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
Imports
user32
DispatchMessageA
DrawTextA
EndPaint
BeginPaint
PostQuitMessage
ShowWindow
UpdateWindow
TranslateMessage
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
LoadCursorA
SetWindowPos
GetWindowRect
GetMessageA
DialogBoxParamA
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
GetCurrentDirectoryA
CloseHandle
GetCurrentProcessId
GetCurrentProcess
GetCurrentThreadId
CreateFileA
gdi32
CreateFontIndirectA
Sections
.text Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 10KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ