Overview

overview

10

Static

static

trehjugdr4et6u.msi

windows7_x64

10

trehjugdr4et6u.msi

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    07/10/2021, 15:00

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General

  • Target
    trehjugdr4et6u.msi
  • Size 548KB
  • Sample211007-sdchxscgfj
  • SHA256 a69d27abd043cc676095f71300bf6b2368167536fcd4fe5342cf79a7e94fc2fe
  • MD5 SHA1 SHA512
Score
10/10
persistencesuricata

Malware Config

Signatures

  • suricata: ET MALWARE MirrorBlast CnC Activity M2

    suricata: ET MALWARE MirrorBlast CnC Activity M2

    suricata
  • suricata: ET MALWARE MirrorBlast CnC Activity M3

    suricata: ET MALWARE MirrorBlast CnC Activity M3

    suricata
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 48 IoCs

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

  • Drops file in Windows directory 7 IoCs
  • Checks SCSI registry key(s) 3 TTPs 64 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 55 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\trehjugdr4et6u.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3612
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4012
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:424
    • C:\ProgramData\Local\Google\rebol-view-278-3-1.exe
      "C:\ProgramData\Local\Google\rebol-view-278-3-1.exe" -w -i -s C:\ProgramData\Local\Google\exemple.rb
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:908
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c echo %USERDOMAIN%\%USERNAME% > name && for /f "tokens=4-5 delims=. " %i in ('ver') do echo %i.%j > os && echo %PROCESSOR_ARCHITECTURE% > arch
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1128
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ver
          4⤵
            PID:1380
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:504
    • \??\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:3172

    Network

          MITRE ATT&CK Enterprise v6

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          Downloads

          memory/3612-115-0x00000225BBFC0000-0x00000225BBFC2000-memory.dmp
          Download

          memory/3612-116-0x00000225BBFC0000-0x00000225BBFC2000-memory.dmp
          Download

          memory/4012-118-0x0000021EA9410000-0x0000021EA9412000-memory.dmp
          Download

          memory/4012-117-0x0000021EA9410000-0x0000021EA9412000-memory.dmp
          Download