Analysis

  • max time kernel
    100s
  • max time network
    22s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19/10/2020, 23:32

General

  • Target

    document-1340408362.xls

  • Size

    426KB

  • MD5

    3561dbb608971e6b1280b1d65bd81d06

  • SHA1

    6b89e35ebc92311030d4c568a761b30ba705f711

  • SHA256

    014709e06ae0ccab700e793a27814779c8f176a76bfb9f27eae5a166b89ddd4d

  • SHA512

    9117395e7ac62efc81c672c28deb55f785ae77595b787609e95d526f35310a5859bfbeefa94af3865d7eca877a285edde39e1b35840ab7d2ceeb818264e1d644

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 9 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 29 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-1340408362.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1320
    • 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:2040
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:268
      • C:\Users\Admin\AppData\Roaming\Microsoft\Nzapkkrbpb\qwhqqm.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Nzapkkrbpb\qwhqqm.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:572
        • C:\Users\Admin\AppData\Roaming\Microsoft\Nzapkkrbpb\qwhqqm.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Nzapkkrbpb\qwhqqm.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1172
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1888
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn agdharsh /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I agdharsh" /SC ONCE /Z /ST 23:38 /ET 23:50
        3⤵
        • Creates scheduled task(s)
        PID:568
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {8F50FA56-A5DD-4327-8255-4CB6264842BB} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1844
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I agdharsh
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1996

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/268-18-0x0000000002460000-0x0000000002471000-memory.dmp

          Filesize

          68KB

        • memory/572-28-0x00000000003C0000-0x00000000003F7000-memory.dmp

          Filesize

          220KB

        • memory/1172-27-0x0000000002530000-0x0000000002541000-memory.dmp

          Filesize

          68KB

        • memory/1320-10-0x00000000020B0000-0x00000000020B5000-memory.dmp

          Filesize

          20KB

        • memory/1320-0-0x00000000020B0000-0x00000000020B1000-memory.dmp

          Filesize

          4KB

        • memory/1320-9-0x0000000005F80000-0x0000000005F84000-memory.dmp

          Filesize

          16KB

        • memory/1320-8-0x0000000006F80000-0x0000000006F84000-memory.dmp

          Filesize

          16KB

        • memory/1320-14-0x0000000004BD0000-0x0000000004BD4000-memory.dmp

          Filesize

          16KB

        • memory/1320-11-0x00000000020A0000-0x00000000020A1000-memory.dmp

          Filesize

          4KB

        • memory/1320-2-0x00000000020B0000-0x00000000020B1000-memory.dmp

          Filesize

          4KB

        • memory/1868-5-0x000007FEF6C10000-0x000007FEF6E8A000-memory.dmp

          Filesize

          2.5MB