Static task
static1
Behavioral task
behavioral1
Sample
25171c83379d2d66b9c16e3fb90fbf84_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
25171c83379d2d66b9c16e3fb90fbf84_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
25171c83379d2d66b9c16e3fb90fbf84_cryptolocker_JC.exe
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Size
76KB
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MD5
25171c83379d2d66b9c16e3fb90fbf84
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SHA1
08165c5882a1d3a84419c110b685068cb90dceec
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SHA256
2b30523ab921871d8c8f43229932ab39fe7740b12654583cccd8772e11419b8a
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SHA512
97bf0b3501cda7669440bb3e577ccc644869d65d872341868e19a7611759fa089ff8d640d3a86070147bc09ed4f1b75cd4549622b4bc1c3655991f8d99198465
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SSDEEP
1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMM/:TCjsIOtEvwDpj5HE/OUHnSMB
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 25171c83379d2d66b9c16e3fb90fbf84_cryptolocker_JC.exe
Files
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25171c83379d2d66b9c16e3fb90fbf84_cryptolocker_JC.exe.exe windows 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
.idata Size: 14KB - Virtual size: 16KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE