Analysis

  • max time kernel
    97s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    19/10/2020, 23:32

General

  • Target

    document-140556161.xls

  • Size

    426KB

  • MD5

    46a78b2eb96abf3ec4c7f73cdaca4b14

  • SHA1

    fa6a6ed8db710849bbae357eaadf1bc9edd181e2

  • SHA256

    751f9ae8555c6c6f8a0fe0eb756ff88962b93890c36fcdeb21929c1f67f0bfc0

  • SHA512

    7fbedab4b640b01a3388c79d5b55ee6ddcae134438697e7d6db91bdd47f4fb9358e970761ea432063c7549cb68ca007960ba723105ecf7c4a5d90babed48c388

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-140556161.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1764
    • 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:520
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1380
      • C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1336
        • C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Qooohuvdq\aqayg.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1120
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1444
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn rkzeawhx /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I rkzeawhx" /SC ONCE /Z /ST 23:38 /ET 23:50
        3⤵
        • Creates scheduled task(s)
        PID:480
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {606D4A8E-3FF2-42EC-940E-5D9A6B2BD78B} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1572
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I rkzeawhx
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:556

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1032-1-0x000007FEF6720000-0x000007FEF699A000-memory.dmp

          Filesize

          2.5MB

        • memory/1120-21-0x0000000002500000-0x0000000002511000-memory.dmp

          Filesize

          68KB

        • memory/1336-22-0x0000000001D90000-0x0000000001DC7000-memory.dmp

          Filesize

          220KB

        • memory/1380-12-0x0000000002530000-0x0000000002541000-memory.dmp

          Filesize

          68KB

        • memory/1764-8-0x0000000004FB0000-0x0000000004FB4000-memory.dmp

          Filesize

          16KB

        • memory/1764-5-0x0000000006110000-0x0000000006114000-memory.dmp

          Filesize

          16KB

        • memory/1764-4-0x0000000007110000-0x0000000007114000-memory.dmp

          Filesize

          16KB