Analysis

  • max time kernel
    123s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    19/10/2020, 22:58

General

  • Target

    document-1095161031.xls

  • Size

    426KB

  • MD5

    299fbde1c8a8a01d79d13cfc3fedc8f3

  • SHA1

    e9c2e50e06a9e263fe476ffa4c078fa620554b27

  • SHA256

    8145499c264c4e1ca7d15ef5047884d18f1b74415cd9fe4544bfaffe1e9a2a4d

  • SHA512

    34b4af46a79068e791d7eeace62c9215b0e0702d132324dae2168dc3372482e6bf1bf7de2e0345f4a475d798f5ba676b2ed3d461fb3c4b5f90a969ab7d7097c8

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 5 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-1095161031.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1432
    • 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:2004
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:920
      • C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1036
        • C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Kxzyaidyeok\vrufiiwh.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:924
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1688
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn pmpwgmj /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I pmpwgmj" /SC ONCE /Z /ST 01:06 /ET 01:18
        3⤵
        • Creates scheduled task(s)
        PID:1888
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {61017ED1-B931-4C4D-8C5E-A0D6E6D6B65A} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1852
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I pmpwgmj
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:888

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/920-12-0x0000000002520000-0x0000000002531000-memory.dmp

          Filesize

          68KB

        • memory/924-21-0x00000000025F0000-0x0000000002601000-memory.dmp

          Filesize

          68KB

        • memory/1036-22-0x0000000000440000-0x0000000000477000-memory.dmp

          Filesize

          220KB

        • memory/1432-8-0x0000000004EA0000-0x0000000004EA4000-memory.dmp

          Filesize

          16KB

        • memory/1432-5-0x0000000006190000-0x0000000006194000-memory.dmp

          Filesize

          16KB

        • memory/1432-4-0x0000000007190000-0x0000000007194000-memory.dmp

          Filesize

          16KB

        • memory/1832-1-0x000007FEF6740000-0x000007FEF69BA000-memory.dmp

          Filesize

          2.5MB