Static task
static1
Behavioral task
behavioral1
Sample
NEAS.2023-09-25_9a9648b374659052c60c5d4e1f64cf55_cryptolocker.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
NEAS.2023-09-25_9a9648b374659052c60c5d4e1f64cf55_cryptolocker.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.2023-09-25_9a9648b374659052c60c5d4e1f64cf55_cryptolocker.exe
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Size
123KB
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MD5
9a9648b374659052c60c5d4e1f64cf55
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SHA1
73fe0ee0bfaba2ffdc4c9993389a3dff95f571fb
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SHA256
27d4c0355d45887a3f8d94c49073952c14fb770ce1be006766148817c92a3363
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SHA512
1c5cda795d20eb93669c5f2939ba8eb2b2b7930ed69c5739e086f6b08f828ab8d3544ccc0882bfbe5a56ec2c61c6f94106f7a1ea15c1b48fc9bdb1ac04e5cc75
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SSDEEP
1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//V1s:vCjsIOtEvwDpj5H9YvQd2R+
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource NEAS.2023-09-25_9a9648b374659052c60c5d4e1f64cf55_cryptolocker.exe
Files
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NEAS.2023-09-25_9a9648b374659052c60c5d4e1f64cf55_cryptolocker.exe.exe windows:5 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