Overview

overview

8

Static

static

8

SecuriteIn...23.msi

windows7_x64

8

SecuriteIn...23.msi

windows10_x64

8

Analysis

  • max time kernel
    60s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 19:59

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General

  • Target
    SecuriteInfo.com.Backdoor.Wisdoor.fr.30923.msi
  • Size 128KB
  • Sample201109-g3k86hamp2
  • SHA256 a0c5ec02160570545c6eb2b81cbff1db49cbce0d90ba6e567b42e1a3e3a7076c
  • MD5 SHA1 SHA512
Score
8/10
persistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks QEMU agent state file 2 TTPs 1 IoCs

    Checks state file used by QEMU agent, possibly to detect virtualization.

  • Enumerates connected drives 3 TTPs 48 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies service 2 TTPs 161 IoCs
    persistence
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Windows directory 8 IoCs
  • Checks SCSI registry key(s) 3 TTPs 96 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Backdoor.Wisdoor.fr.30923.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4632
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Modifies service
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Modifies service
      • Suspicious use of AdjustPrivilegeToken
      PID:1636
    • C:\Windows\Installer\MSI992B.tmp
      "C:\Windows\Installer\MSI992B.tmp"
      2⤵
      • Executes dropped EXE
      • Checks QEMU agent state file
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetWindowsHookEx
      PID:2544
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Modifies service
    • Suspicious use of AdjustPrivilegeToken
    PID:5028
  • \??\c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s DsmSvc
    1⤵
    • Checks SCSI registry key(s)
    • Modifies data under HKEY_USERS
    PID:1128

Network

        MITRE ATT&CK Enterprise v6

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        Downloads

        memory/4800-3-0x000001C8640C0000-0x000001C8640C2000-memory.dmp
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