Static task
static1
Behavioral task
behavioral1
Sample
2024-04-25_8f7d0bdb8eb84b212a74164c9f7f19a7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-25_8f7d0bdb8eb84b212a74164c9f7f19a7_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-25_8f7d0bdb8eb84b212a74164c9f7f19a7_cryptolocker
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Size
36KB
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MD5
8f7d0bdb8eb84b212a74164c9f7f19a7
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SHA1
bfa9c31cde50940e6b8dd1dfc06f73014dafee0b
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SHA256
1a83cad81a8007b2f63d52498aa69d6066d25a07359f40e7550d11ff0276c126
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SHA512
b39d0be621cda5e2491ec5f684e0eb62f8326cb72feb7993a750bed336c0e21ea200b810961dbb212987985325b0943e30f429dd784b7748a1fe2e4ea980c383
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SSDEEP
768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4A:fT+hsMQMOtEvwDpjoIHA
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 2024-04-25_8f7d0bdb8eb84b212a74164c9f7f19a7_cryptolocker
Files
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2024-04-25_8f7d0bdb8eb84b212a74164c9f7f19a7_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