Resubmissions

28-09-2021 10:31

210928-mkb8vabgcp 10

27-09-2021 21:39

210927-1h36faacaq 10

Analysis

  • max time kernel
    146s
  • max time network
    99s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    27-09-2021 21:39

General

  • Target

    test.test.dll

  • Size

    833KB

  • MD5

    97406f2cee93cdb660848c99e6d291e6

  • SHA1

    17aa4ce85e931fdf383b864144a3c1b6e68f91e2

  • SHA256

    336cdd146beca939c6d1e3e3c00cc10ec2d6e859a18d350bff937ad5194c27da

  • SHA512

    4884d65111c7da44832d30eb0cd7bcee9aceb6de24a610eb0709960d1276ad963214b8c620b14960a43319b0d77da7af3f622a5d6f1d36f31190ac2c641be4ef

Malware Config

Extracted

Family

qakbot

Version

402.343

Botnet

tr

Campaign

1632730751

C2

95.77.223.148:443

47.22.148.6:443

89.101.97.139:443

27.223.92.142:995

120.151.47.189:443

136.232.34.70:443

120.150.218.241:995

185.250.148.74:443

181.118.183.94:443

140.82.49.12:443

67.165.206.193:993

103.148.120.144:443

71.74.12.34:443

76.25.142.196:443

73.151.236.31:443

173.21.10.71:2222

75.188.35.168:443

2.178.88.145:61202

71.80.168.245:443

45.46.53.140:2222

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Windows security bypass 2 TTPs
  • Loads dropped DLL 1 IoCs
  • 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 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\test.test.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\test.test.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:908
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2444
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn hdmzwob /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\test.test.dll\"" /SC ONCE /Z /ST 23:42 /ET 23:54
          4⤵
          • Creates scheduled task(s)
          PID:2872
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\test.test.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:580
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\test.test.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3404
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Modifies data under HKEY_USERS
        • Suspicious use of WriteProcessMemory
        PID:2508
        • C:\Windows\system32\reg.exe
          C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\ProgramData\Microsoft\Fpojzza" /d "0"
          4⤵
            PID:3956
          • 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\Kzvbyyvidve" /d "0"
            4⤵
              PID:1376

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Execution

      Scheduled Task

      1
      T1053

      Persistence

      Scheduled Task

      1
      T1053

      Privilege Escalation

      Scheduled Task

      1
      T1053

      Defense Evasion

      Disabling Security Tools

      1
      T1089

      Modify Registry

      1
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\test.test.dll
        MD5

        97406f2cee93cdb660848c99e6d291e6

        SHA1

        17aa4ce85e931fdf383b864144a3c1b6e68f91e2

        SHA256

        336cdd146beca939c6d1e3e3c00cc10ec2d6e859a18d350bff937ad5194c27da

        SHA512

        4884d65111c7da44832d30eb0cd7bcee9aceb6de24a610eb0709960d1276ad963214b8c620b14960a43319b0d77da7af3f622a5d6f1d36f31190ac2c641be4ef

      • \Users\Admin\AppData\Local\Temp\test.test.dll
        MD5

        97406f2cee93cdb660848c99e6d291e6

        SHA1

        17aa4ce85e931fdf383b864144a3c1b6e68f91e2

        SHA256

        336cdd146beca939c6d1e3e3c00cc10ec2d6e859a18d350bff937ad5194c27da

        SHA512

        4884d65111c7da44832d30eb0cd7bcee9aceb6de24a610eb0709960d1276ad963214b8c620b14960a43319b0d77da7af3f622a5d6f1d36f31190ac2c641be4ef

      • memory/908-115-0x00000000742F0000-0x0000000074311000-memory.dmp
        Filesize

        132KB

      • memory/908-116-0x00000000742F0000-0x0000000074458000-memory.dmp
        Filesize

        1.4MB

      • memory/908-117-0x0000000002470000-0x0000000002471000-memory.dmp
        Filesize

        4KB

      • memory/908-114-0x0000000000000000-mapping.dmp
      • memory/1376-131-0x0000000000000000-mapping.dmp
      • memory/2444-118-0x0000000000000000-mapping.dmp
      • memory/2444-119-0x0000000002800000-0x0000000002821000-memory.dmp
        Filesize

        132KB

      • memory/2508-129-0x0000000000000000-mapping.dmp
      • memory/2508-134-0x0000000002A50000-0x0000000002A71000-memory.dmp
        Filesize

        132KB

      • memory/2872-120-0x0000000000000000-mapping.dmp
      • memory/3404-124-0x0000000000000000-mapping.dmp
      • memory/3404-128-0x0000000003080000-0x000000000312E000-memory.dmp
        Filesize

        696KB

      • memory/3404-127-0x0000000072FE0000-0x0000000073148000-memory.dmp
        Filesize

        1.4MB

      • memory/3404-126-0x0000000072FE0000-0x0000000073001000-memory.dmp
        Filesize

        132KB

      • memory/3956-130-0x0000000000000000-mapping.dmp