Analysis

  • max time kernel
    117s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 22:23

General

  • Target

    doc_pack-333667326.xls

  • Size

    62KB

  • MD5

    2d444b3ebaf42a38ba881ba231da3a26

  • SHA1

    be06b0d584481e9022352e6415cf649a0b18dc3f

  • SHA256

    2883f1bfdb4f93ea349b7df88fa5745f81b24091c30e2a103a4f67792789190d

  • SHA512

    9333c185439263e7811150708183913234301c2c0ffb3e8a40dd7c005c41f36287ab4befc60f50d3d17ef861f81c08fb9dfb6f602352cd7707b593c4aeb663aa

Malware Config

Extracted

Family

qakbot

Botnet

tr01

Campaign

1602688146

C2

73.228.1.246:443

74.109.219.145:443

76.111.128.194:443

90.175.88.99:2222

108.191.28.158:443

68.225.60.77:443

75.136.40.155:443

5.193.181.221:2078

72.204.242.138:20

118.160.162.234:443

68.14.210.246:22

148.101.74.12:443

74.222.204.82:443

96.30.198.161:443

140.82.27.132:443

2.50.131.64:443

45.32.155.12:995

45.63.104.123:443

45.32.165.134:443

217.162.149.212:443

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 2 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Program Files\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-333667326.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\COsuv\Wegerb\szvMhegn.exe
      "C:\COsuv\Wegerb\szvMhegn.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1428
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:672
      • C:\Users\Admin\AppData\Roaming\Microsoft\Byuyec\fuojofj.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Byuyec\fuojofj.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1332
        • C:\Users\Admin\AppData\Roaming\Microsoft\Byuyec\fuojofj.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Byuyec\fuojofj.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1108
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
            PID:984
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            4⤵
              PID:932
            • C:\Windows\SysWOW64\mobsync.exe
              C:\Windows\SysWOW64\mobsync.exe
              4⤵
                PID:1012
              • C:\Windows\SysWOW64\mobsync.exe
                C:\Windows\SysWOW64\mobsync.exe
                4⤵
                  PID:936
                • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
                  4⤵
                    PID:1076
                  • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
                    4⤵
                      PID:796
                  • C:\Windows\SysWOW64\schtasks.exe
                    "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn azvwrswgyh /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I azvwrswgyh" /SC ONCE /Z /ST 22:34 /ET 22:46
                    3⤵
                    • Creates scheduled task(s)
                    PID:304
              • C:\Windows\system32\taskeng.exe
                taskeng.exe {15D91C48-D067-4220-B533-B9E7EF7C7B7D} S-1-5-18:NT AUTHORITY\System:Service:
                1⤵
                • Suspicious use of WriteProcessMemory
                PID:108
                • C:\COsuv\Wegerb\szvMhegn.exe
                  C:\COsuv\Wegerb\szvMhegn.exe /I azvwrswgyh
                  2⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  PID:1524

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/672-14-0x00000000024E0000-0x00000000024F1000-memory.dmp

                Filesize

                68KB

              • memory/1040-1-0x000007FEF7DE0000-0x000007FEF805A000-memory.dmp

                Filesize

                2.5MB

              • memory/1108-23-0x0000000002470000-0x0000000002481000-memory.dmp

                Filesize

                68KB

              • memory/1332-25-0x0000000000540000-0x0000000000577000-memory.dmp

                Filesize

                220KB

              • memory/1332-28-0x0000000000540000-0x0000000000577000-memory.dmp

                Filesize

                220KB

              • memory/1332-24-0x0000000000540000-0x0000000000577000-memory.dmp

                Filesize

                220KB

              • memory/1496-10-0x0000000004EA0000-0x0000000004EA4000-memory.dmp

                Filesize

                16KB

              • memory/1496-5-0x0000000006160000-0x0000000006164000-memory.dmp

                Filesize

                16KB

              • memory/1496-4-0x0000000007160000-0x0000000007164000-memory.dmp

                Filesize

                16KB

              • memory/1496-6-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

                Filesize

                4KB