Analysis

  • max time kernel
    128s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    19/10/2020, 22:59

General

  • Target

    document-119694370.xls

  • Size

    426KB

  • MD5

    b01f02aefdc5efc4f7c311cc889f1c85

  • SHA1

    4a277407474fbb741ee0bba929a4d8705c0871fc

  • SHA256

    233d4d684d84ec4b742fba24dd2015eca43d9738ed4f498fe4d6e779e1f0c605

  • SHA512

    a22a1d9efbc925cc46e1d0dc98fae06df8a953489dd9c6710033ac9d89c4140f62c1b0bae63297788501535a530384ad2e9dc9232e45a25005e4c944011b145e

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-119694370.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1588
    • 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:2008
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:820
      • C:\Users\Admin\AppData\Roaming\Microsoft\Akuohao\codbw.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Akuohao\codbw.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1164
        • C:\Users\Admin\AppData\Roaming\Microsoft\Akuohao\codbw.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Akuohao\codbw.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:536
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1812
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn hbcpyxku /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I hbcpyxku" /SC ONCE /Z /ST 01:01 /ET 01:13
        3⤵
        • Creates scheduled task(s)
        PID:432
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {3CF64D30-ACB6-4154-A466-7CF01650362E} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1552
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I hbcpyxku
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:940

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/536-21-0x00000000025D0000-0x00000000025E1000-memory.dmp

          Filesize

          68KB

        • memory/820-12-0x0000000002440000-0x0000000002451000-memory.dmp

          Filesize

          68KB

        • memory/1164-22-0x0000000000480000-0x00000000004B7000-memory.dmp

          Filesize

          220KB

        • memory/1588-8-0x0000000004E70000-0x0000000004E74000-memory.dmp

          Filesize

          16KB

        • memory/1588-5-0x0000000005F70000-0x0000000005F74000-memory.dmp

          Filesize

          16KB

        • memory/1588-4-0x0000000006F70000-0x0000000006F74000-memory.dmp

          Filesize

          16KB

        • memory/1860-1-0x000007FEF7AE0000-0x000007FEF7D5A000-memory.dmp

          Filesize

          2.5MB