Analysis

  • max time kernel
    127s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19/10/2020, 22:58

General

  • Target

    document-1148497473.xls

  • Size

    426KB

  • MD5

    6a6be1a05d629b2f0f3a5d137de003d4

  • SHA1

    c13546c34c837c28fc1b052fd5bb66f150e25105

  • SHA256

    b6cc8e1828efcefc36ef70499438271ab5f61c8de1663e1e2554dde2aa17b552

  • SHA512

    84faa5ba047499161c63dd6351303d4ee4145f3e6994c5da276a2423c48b0ec434f2f95cdb9d7312b003034c158eea89500f7419615b0f4ccf83733d334b8a6d

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\document-1148497473.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1612
    • 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:792
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:584
      • C:\Users\Admin\AppData\Roaming\Microsoft\Bpxfdoau\nluoodia.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Bpxfdoau\nluoodia.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:628
        • C:\Users\Admin\AppData\Roaming\Microsoft\Bpxfdoau\nluoodia.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Bpxfdoau\nluoodia.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:560
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
            PID:1236
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            4⤵
              PID:1996
            • C:\Windows\SysWOW64\mobsync.exe
              C:\Windows\SysWOW64\mobsync.exe
              4⤵
                PID:1808
              • C:\Windows\SysWOW64\mobsync.exe
                C:\Windows\SysWOW64\mobsync.exe
                4⤵
                  PID:112
                • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
                  4⤵
                    PID:276
                  • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
                    4⤵
                      PID:1484
                  • C:\Windows\SysWOW64\schtasks.exe
                    "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn xmbhbsazii /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I xmbhbsazii" /SC ONCE /Z /ST 23:00 /ET 23:12
                    3⤵
                    • Creates scheduled task(s)
                    PID:884
              • C:\Windows\system32\taskeng.exe
                taskeng.exe {1EF19C78-A7E1-459A-A4E4-568067F28AB8} S-1-5-18:NT AUTHORITY\System:Service:
                1⤵
                • Suspicious use of WriteProcessMemory
                PID:1588
                • C:\WErtu\Reterd\szvmhegu.exe
                  C:\WErtu\Reterd\szvmhegu.exe /I xmbhbsazii
                  2⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  PID:1860

              Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

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                    Downloads

                    • memory/560-24-0x00000000024B0000-0x00000000024C1000-memory.dmp

                      Filesize

                      68KB

                    • memory/584-15-0x00000000024B0000-0x00000000024C1000-memory.dmp

                      Filesize

                      68KB

                    • memory/628-25-0x00000000004A0000-0x00000000004D7000-memory.dmp

                      Filesize

                      220KB

                    • memory/1612-7-0x0000000002F90000-0x0000000002F91000-memory.dmp

                      Filesize

                      4KB

                    • memory/1612-11-0x0000000005AD0000-0x0000000005AD4000-memory.dmp

                      Filesize

                      16KB

                    • memory/1612-6-0x0000000006D80000-0x0000000006D84000-memory.dmp

                      Filesize

                      16KB

                    • memory/1612-5-0x0000000007D80000-0x0000000007D84000-memory.dmp

                      Filesize

                      16KB

                    • memory/1964-2-0x000007FEF7CD0000-0x000007FEF7F4A000-memory.dmp

                      Filesize

                      2.5MB