Analysis

  • max time kernel
    148s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/05/2024, 01:53

General

  • Target
    Wong_B.vbs
  • Size 1.9MB
  • Sample240519-ca78escd5t
  • SHA256 798e44b2af6329ac38f144d816096b72889009f44c9d74aefa36c11dbdc5522a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • qakbot

Version
  • 323.79

Botnet
  • spx04

Campaign
  • 1568039940

C2
  • 190.120.196.18:443

  • 70.169.2.228:21

  • 189.160.191.239:443

  • 174.48.72.160:443

  • 99.231.208.9:443

  • 12.5.37.3:443

  • 173.178.129.3:443

  • 189.236.138.168:443

  • 67.41.197.173:2078

  • 173.172.205.216:443

  • 76.69.181.244:995

  • 70.164.39.91:443

  • 75.131.72.82:443

  • 189.236.214.160:995

  • 199.126.92.231:995

  • 98.224.57.108:443

  • 72.142.106.198:995

  • 98.186.90.192:995

  • 72.36.14.160:443

  • 75.177.172.209:6882

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Turns off Windows Defender SpyNet reporting 2 TTPs
  • Windows security bypass 2 TTPs 2 IoCs
  • Executes dropped EXE 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks SCSI registry key(s) 3 TTPs 18 IoCs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies data under HKEY_USERS 5 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Wong_B.vbs"
    1⤵
      PID:2280
    • C:\Users\Admin\AppData\Local\Temp\FrWqwyW.exe
      C:\Users\Admin\AppData\Local\Temp\FrWqwyW.exe
      1⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3124
      • C:\Users\Admin\AppData\Local\Temp\FrWqwyW.exe
        C:\Users\Admin\AppData\Local\Temp\FrWqwyW.exe /C
        2⤵
        • Executes dropped EXE
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        PID:4312
      • C:\Users\Admin\AppData\Roaming\Microsoft\Gcjuotlci\tkkgm.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Gcjuotlci\tkkgm.exe
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1484
        • C:\Users\Admin\AppData\Roaming\Microsoft\Gcjuotlci\tkkgm.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Gcjuotlci\tkkgm.exe /C
          3⤵
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious behavior: EnumeratesProcesses
          PID:720
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          3⤵
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          PID:3428
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn yyjmymqexs /tr "\"C:\Users\Admin\AppData\Local\Temp\FrWqwyW.exe\" /I yyjmymqexs" /SC ONCE /Z /ST 01:56 /ET 02:08
        2⤵
        • Creates scheduled task(s)
        PID:4624
    • C:\Users\Admin\AppData\Local\Temp\FrWqwyW.exe
      C:\Users\Admin\AppData\Local\Temp\FrWqwyW.exe /I yyjmymqexs
      1⤵
      • Executes dropped EXE
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2420
      • C:\Windows\system32\reg.exe
        C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Microsoft AntiMalware\SpyNet" /f /t REG_DWORD /v "SpyNetReporting" /d "0"
        2⤵
          PID:2228
        • C:\Windows\system32\reg.exe
          C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Microsoft AntiMalware\SpyNet" /f /t REG_DWORD /v "SubmitSamplesConsent" /d "2"
          2⤵
            PID:4108
          • C:\Windows\system32\reg.exe
            C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Wow6432Node\Microsoft AntiMalware\SpyNet" /f /t REG_DWORD /v "SpyNetReporting" /d "0"
            2⤵
              PID:3260
            • C:\Windows\system32\reg.exe
              C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Wow6432Node\Microsoft AntiMalware\SpyNet" /f /t REG_DWORD /v "SubmitSamplesConsent" /d "2"
              2⤵
                PID:2036
              • C:\Windows\system32\reg.exe
                C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\SpyNet" /f /t REG_DWORD /v "SpyNetReporting" /d "0"
                2⤵
                  PID:4924
                • C:\Windows\system32\reg.exe
                  C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\SpyNet" /f /t REG_DWORD /v "SubmitSamplesConsent" /d "2"
                  2⤵
                    PID:5080
                  • C:\Windows\system32\reg.exe
                    C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Spynet" /f /t REG_DWORD /v "SpyNetReporting" /d "0"
                    2⤵
                      PID:756
                    • C:\Windows\system32\reg.exe
                      C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Spynet" /f /t REG_DWORD /v "SubmitSamplesConsent" /d "2"
                      2⤵
                        PID:4964
                      • C:\Windows\system32\reg.exe
                        C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\Users\Admin\AppData\Roaming\Microsoft\Gcjuotlci" /d "0"
                        2⤵
                        • Windows security bypass
                        PID:3920
                      • C:\Users\Admin\AppData\Roaming\Microsoft\Gcjuotlci\tkkgm.exe
                        C:\Users\Admin\AppData\Roaming\Microsoft\Gcjuotlci\tkkgm.exe
                        2⤵
                        • Executes dropped EXE
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        PID:1344
                        • C:\Users\Admin\AppData\Roaming\Microsoft\Gcjuotlci\tkkgm.exe
                          C:\Users\Admin\AppData\Roaming\Microsoft\Gcjuotlci\tkkgm.exe /C
                          3⤵
                          • Executes dropped EXE
                          • Checks SCSI registry key(s)
                          • Suspicious behavior: EnumeratesProcesses
                          PID:388
                      • C:\Windows\System32\cmd.exe
                        "C:\Windows\System32\cmd.exe" /c ping.exe -n 6 127.0.0.1 & type "C:\Windows\System32\calc.exe" > "C:\Users\Admin\AppData\Local\Temp\FrWqwyW.exe"
                        2⤵
                        • Suspicious use of WriteProcessMemory
                        PID:4984
                        • C:\Windows\system32\PING.EXE
                          ping.exe -n 6 127.0.0.1
                          3⤵
                          • Runs ping.exe
                          PID:4808
                      • C:\Windows\system32\schtasks.exe
                        "C:\Windows\system32\schtasks.exe" /DELETE /F /TN yyjmymqexs
                        2⤵
                          PID:5008

                      Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

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                            Downloads

                            FrWqwyW.exe

                            • Path C:\Users\Admin\AppData\Local\Temp\FrWqwyW.exe
                            • Size 660KB
                            • SHA256 f5d56d68b93516d18564a7862f2494e99827a0bd9071476e0585a2a345e7879a
                            • MD5 SHA1 SHA512 SSDEEP

                            tkkgm.dat

                            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Gcjuotlci\tkkgm.dat
                            • Size 63B
                            • SHA256 2366cd750bd9325185f2cd36f097a70994fd587c6b16f427404d0b1920d7da65
                            • MD5 SHA1 SHA512

                            memory/388-55-0x0000000000400000-0x00000000004A7000-memory.dmp

                            memory/720-29-0x0000000000400000-0x00000000004A7000-memory.dmp

                            memory/1344-56-0x0000000000400000-0x00000000004A7000-memory.dmp

                            memory/1484-23-0x00000000021B0000-0x0000000002241000-memory.dmp

                            memory/1484-35-0x0000000000400000-0x00000000004A7000-memory.dmp

                            memory/2420-50-0x0000000000400000-0x00000000004A7000-memory.dmp

                            memory/2420-43-0x0000000000400000-0x00000000004A7000-memory.dmp

                            memory/3124-24-0x0000000000400000-0x00000000004A7000-memory.dmp

                            memory/3124-4-0x0000000002030000-0x00000000020C1000-memory.dmp

                            memory/3124-5-0x0000000000400000-0x00000000004A7000-memory.dmp

                            memory/3428-34-0x0000000000A10000-0x0000000000AA1000-memory.dmp

                            memory/3428-33-0x0000000002860000-0x00000000028A0000-memory.dmp

                            memory/3428-39-0x0000000002860000-0x00000000028A0000-memory.dmp

                            memory/3428-37-0x0000000002860000-0x00000000028A0000-memory.dmp

                            memory/3428-36-0x0000000002860000-0x00000000028A0000-memory.dmp

                            memory/3428-32-0x0000000000A10000-0x0000000000AA1000-memory.dmp

                            memory/3428-30-0x0000000000A10000-0x0000000000AA1000-memory.dmp

                            memory/4312-9-0x0000000002290000-0x0000000002321000-memory.dmp

                            memory/4312-13-0x0000000000400000-0x00000000004A7000-memory.dmp