Analysis

  • max time kernel
    42s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    31-07-2022 19:04

General

  • Target

    5ed6f27ab039c0fcb2221dd18092af1eab9558427d2a4a31048371dc419d4ff5.exe

  • Size

    388KB

  • MD5

    a09f55e86608b24cf635e60e56e6d763

  • SHA1

    28a1cf064d988b85e09e68b1076097a8cfceb996

  • SHA256

    5ed6f27ab039c0fcb2221dd18092af1eab9558427d2a4a31048371dc419d4ff5

  • SHA512

    0ac795e374a1e44ede1d718a8a1791b6ac055235170f7ac931fb759619e6cd80f2aa63df07b3aa109f6def1fe6e9ad019d514f0c2068dc4e34c13b616757fa4e

Malware Config

Extracted

Family

trickbot

Version

1000304

Botnet

lib358

C2

188.68.208.240:443

24.247.181.155:449

174.105.235.178:449

185.80.148.162:443

181.113.17.230:449

174.105.233.82:449

71.14.129.8:449

216.183.62.43:449

42.115.91.177:443

137.74.151.18:443

71.94.101.25:443

206.130.141.255:449

92.38.163.39:443

74.140.160.33:449

65.31.241.133:449

140.190.54.187:449

24.247.181.226:449

24.119.69.70:449

213.183.63.245:443

103.110.91.118:449

Attributes
  • autorun
    Control:GetSystemInfo
    Name:systeminfo
    Name:injectDll
    Name:pwgrab
ecc_pubkey.base64

Signatures

  • Trickbot

    Developed in 2016, TrickBot is one of the more recent banking Trojans.

  • Trickbot x86 loader 3 IoCs

    Detected Trickbot's x86 loader that unpacks the x86 payload.

  • Executes dropped EXE 1 IoCs
  • Stops running service(s) 3 TTPs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Launches sc.exe 2 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ed6f27ab039c0fcb2221dd18092af1eab9558427d2a4a31048371dc419d4ff5.exe
    "C:\Users\Admin\AppData\Local\Temp\5ed6f27ab039c0fcb2221dd18092af1eab9558427d2a4a31048371dc419d4ff5.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1508
    • C:\Windows\SysWOW64\cmd.exe
      /c sc stop WinDefend
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1092
      • C:\Windows\SysWOW64\sc.exe
        sc stop WinDefend
        3⤵
        • Launches sc.exe
        PID:2020
    • C:\Windows\SysWOW64\cmd.exe
      /c sc delete WinDefend
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1828
      • C:\Windows\SysWOW64\sc.exe
        sc delete WinDefend
        3⤵
        • Launches sc.exe
        PID:2000
    • C:\Windows\SysWOW64\cmd.exe
      /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1948
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell Set-MpPreference -DisableRealtimeMonitoring $true
        3⤵
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1876
    • C:\Users\Admin\AppData\Roaming\vrssit\6ed7f28ab039c0fcb2221dd19092af1eab9669428d2a4a31049381dc419d4ff6.exe
      C:\Users\Admin\AppData\Roaming\vrssit\6ed7f28ab039c0fcb2221dd19092af1eab9669428d2a4a31049381dc419d4ff6.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:916
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:1008

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Modify Existing Service

    1
    T1031

    Defense Evasion

    Impair Defenses

    1
    T1562

    Impact

    Service Stop

    1
    T1489

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\vrssit\6ed7f28ab039c0fcb2221dd19092af1eab9669428d2a4a31049381dc419d4ff6.exe
      Filesize

      388KB

      MD5

      a09f55e86608b24cf635e60e56e6d763

      SHA1

      28a1cf064d988b85e09e68b1076097a8cfceb996

      SHA256

      5ed6f27ab039c0fcb2221dd18092af1eab9558427d2a4a31048371dc419d4ff5

      SHA512

      0ac795e374a1e44ede1d718a8a1791b6ac055235170f7ac931fb759619e6cd80f2aa63df07b3aa109f6def1fe6e9ad019d514f0c2068dc4e34c13b616757fa4e

    • \Users\Admin\AppData\Roaming\vrssit\6ed7f28ab039c0fcb2221dd19092af1eab9669428d2a4a31049381dc419d4ff6.exe
      Filesize

      388KB

      MD5

      a09f55e86608b24cf635e60e56e6d763

      SHA1

      28a1cf064d988b85e09e68b1076097a8cfceb996

      SHA256

      5ed6f27ab039c0fcb2221dd18092af1eab9558427d2a4a31048371dc419d4ff5

      SHA512

      0ac795e374a1e44ede1d718a8a1791b6ac055235170f7ac931fb759619e6cd80f2aa63df07b3aa109f6def1fe6e9ad019d514f0c2068dc4e34c13b616757fa4e

    • \Users\Admin\AppData\Roaming\vrssit\6ed7f28ab039c0fcb2221dd19092af1eab9669428d2a4a31049381dc419d4ff6.exe
      Filesize

      388KB

      MD5

      a09f55e86608b24cf635e60e56e6d763

      SHA1

      28a1cf064d988b85e09e68b1076097a8cfceb996

      SHA256

      5ed6f27ab039c0fcb2221dd18092af1eab9558427d2a4a31048371dc419d4ff5

      SHA512

      0ac795e374a1e44ede1d718a8a1791b6ac055235170f7ac931fb759619e6cd80f2aa63df07b3aa109f6def1fe6e9ad019d514f0c2068dc4e34c13b616757fa4e

    • memory/916-76-0x0000000010000000-0x0000000010007000-memory.dmp
      Filesize

      28KB

    • memory/916-67-0x0000000000000000-mapping.dmp
    • memory/916-88-0x00000000002B0000-0x00000000002F0000-memory.dmp
      Filesize

      256KB

    • memory/1008-79-0x0000000000000000-mapping.dmp
    • memory/1008-81-0x0000000140000000-0x0000000140039000-memory.dmp
      Filesize

      228KB

    • memory/1092-59-0x0000000000000000-mapping.dmp
    • memory/1508-58-0x0000000075661000-0x0000000075663000-memory.dmp
      Filesize

      8KB

    • memory/1508-56-0x0000000000390000-0x00000000003D0000-memory.dmp
      Filesize

      256KB

    • memory/1508-87-0x0000000000390000-0x00000000003D0000-memory.dmp
      Filesize

      256KB

    • memory/1828-60-0x0000000000000000-mapping.dmp
    • memory/1876-64-0x0000000000000000-mapping.dmp
    • memory/1876-89-0x0000000074280000-0x000000007482B000-memory.dmp
      Filesize

      5.7MB

    • memory/1876-90-0x0000000074280000-0x000000007482B000-memory.dmp
      Filesize

      5.7MB

    • memory/1948-61-0x0000000000000000-mapping.dmp
    • memory/2000-63-0x0000000000000000-mapping.dmp
    • memory/2020-62-0x0000000000000000-mapping.dmp