Analysis

  • max time kernel
    102s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19/10/2020, 23:32

General

  • Target

    document-1264536572.xls

  • Size

    426KB

  • MD5

    dbf1454a7862aad6ae11e42cce209b88

  • SHA1

    b903acf5ea52f6a879932586f884e3c3e0732963

  • SHA256

    ae96b44c966bf16437b22a625a2bee08448dfadb7675552371b45162bbd1661f

  • SHA512

    d281f5f11d36bc910e18e78559024502251c5d222bf0c612f76ce51afc4a8e66a116a6a4f6e953c55d34bee9e0bf30ea3dbdd152ac74aeff037c1d06271cae97

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 7 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\document-1264536572.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\WErtu\Reterd\szvmhegu.exe
      "C:\WErtu\Reterd\szvmhegu.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:524
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1432
      • C:\Users\Admin\AppData\Roaming\Microsoft\Zehcu\nezeobu.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Zehcu\nezeobu.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1080
        • C:\Users\Admin\AppData\Roaming\Microsoft\Zehcu\nezeobu.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Zehcu\nezeobu.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1392
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
            PID:612
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            4⤵
              PID:788
            • C:\Windows\SysWOW64\mobsync.exe
              C:\Windows\SysWOW64\mobsync.exe
              4⤵
                PID:828
              • C:\Windows\SysWOW64\mobsync.exe
                C:\Windows\SysWOW64\mobsync.exe
                4⤵
                  PID:1476
                • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
                  4⤵
                    PID:1460
                  • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
                    4⤵
                      PID:1892
                  • C:\Windows\SysWOW64\schtasks.exe
                    "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn bpjiulfcf /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I bpjiulfcf" /SC ONCE /Z /ST 23:38 /ET 23:50
                    3⤵
                    • Creates scheduled task(s)
                    PID:296
              • C:\Windows\system32\taskeng.exe
                taskeng.exe {66986F40-A3DA-4FB8-B285-17C037B45F33} S-1-5-18:NT AUTHORITY\System:Service:
                1⤵
                • Suspicious use of WriteProcessMemory
                PID:1384
                • C:\WErtu\Reterd\szvmhegu.exe
                  C:\WErtu\Reterd\szvmhegu.exe /I bpjiulfcf
                  2⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  PID:1764

              Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

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                    Downloads

                    • memory/1080-28-0x0000000001FF0000-0x0000000002027000-memory.dmp

                      Filesize

                      220KB

                    • memory/1080-29-0x0000000001FF0000-0x0000000002027000-memory.dmp

                      Filesize

                      220KB

                    • memory/1080-32-0x0000000001FF0000-0x0000000002027000-memory.dmp

                      Filesize

                      220KB

                    • memory/1080-30-0x0000000001FF0000-0x0000000002027000-memory.dmp

                      Filesize

                      220KB

                    • memory/1132-5-0x000007FEF6AE0000-0x000007FEF6D5A000-memory.dmp

                      Filesize

                      2.5MB

                    • memory/1392-27-0x0000000002530000-0x0000000002541000-memory.dmp

                      Filesize

                      68KB

                    • memory/1432-18-0x0000000002510000-0x0000000002521000-memory.dmp

                      Filesize

                      68KB

                    • memory/1464-14-0x0000000004DE0000-0x0000000004DE4000-memory.dmp

                      Filesize

                      16KB

                    • memory/1464-10-0x0000000002180000-0x0000000002185000-memory.dmp

                      Filesize

                      20KB

                    • memory/1464-11-0x0000000002170000-0x0000000002171000-memory.dmp

                      Filesize

                      4KB

                    • memory/1464-9-0x0000000005FE0000-0x0000000005FE4000-memory.dmp

                      Filesize

                      16KB

                    • memory/1464-0-0x0000000002180000-0x0000000002181000-memory.dmp

                      Filesize

                      4KB

                    • memory/1464-8-0x0000000006FE0000-0x0000000006FE4000-memory.dmp

                      Filesize

                      16KB

                    • memory/1464-2-0x0000000002180000-0x0000000002181000-memory.dmp

                      Filesize

                      4KB