Static task
static1
Behavioral task
behavioral1
Sample
2024-02-19_b876c5ef3d138b4ef8c9b2f8b9b0bef7_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-02-19_b876c5ef3d138b4ef8c9b2f8b9b0bef7_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-19_b876c5ef3d138b4ef8c9b2f8b9b0bef7_cryptolocker
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Size
71KB
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MD5
b876c5ef3d138b4ef8c9b2f8b9b0bef7
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SHA1
7dc3fec8a924bec4c609641470a8a765cd081c75
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SHA256
2e49310e051f7581ae841f210f74cd50ccc805323da1bdcc61757c292454ed11
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SHA512
c0dfd100c049ca68ec555e7fb2947df84d21386f2603410b8c296f6c7bc0810ea19f08c9a8f948080c49aad0b92299c2c3d8ab78164b5e8cc68856393f2df970
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SSDEEP
1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsm:X6a+SOtEvwDpjBZYvQd21
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 2024-02-19_b876c5ef3d138b4ef8c9b2f8b9b0bef7_cryptolocker
Files
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2024-02-19_b876c5ef3d138b4ef8c9b2f8b9b0bef7_cryptolocker.exe windows:5 windows x86 arch:x86
7ba3aa8366ce167c7a77ebd6e6fea8e5
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
PostQuitMessage
GetMessageA
UpdateWindow
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadCursorA
LoadIconA
ShowWindow
GetWindowRect
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FormatMessageA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
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: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ