Analysis

  • max time kernel
    91s
  • max time network
    12s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    19/10/2020, 22:58

General

  • Target

    document-1161801485.xls

  • Size

    426KB

  • MD5

    df5350875dd3478ef5605901730d045a

  • SHA1

    bf8666bd4cb0dc90aa83cca6e0e734063628d70b

  • SHA256

    796c4bd7964e3ab16416f6e6c37d78c2f43dfad45ee91e338a56f6b64c54f431

  • SHA512

    4d275f944ec887e95e3b3581775750367b6384ea36fcf3b255e2fc19b16b73e576398d1b7eadff43e297a8ca987e37d02bdb71ac1a932da1cdf0a885871033e7

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-1161801485.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:628
    • 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:688
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1076
      • C:\Users\Admin\AppData\Roaming\Microsoft\Rujyljzrua\qouido.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Rujyljzrua\qouido.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1460
        • C:\Users\Admin\AppData\Roaming\Microsoft\Rujyljzrua\qouido.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Rujyljzrua\qouido.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:316
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1872
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn slalcolq /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I slalcolq" /SC ONCE /Z /ST 23:00 /ET 23:12
        3⤵
        • Creates scheduled task(s)
        PID:840
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {8383A31E-F6D3-473F-A3EF-D84C08AFAD24} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1512
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I slalcolq
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1268

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/316-25-0x0000000002510000-0x0000000002521000-memory.dmp

          Filesize

          68KB

        • memory/628-6-0x0000000006E00000-0x0000000006E04000-memory.dmp

          Filesize

          16KB

        • memory/628-5-0x0000000007E00000-0x0000000007E04000-memory.dmp

          Filesize

          16KB

        • memory/628-11-0x0000000005C30000-0x0000000005C34000-memory.dmp

          Filesize

          16KB

        • memory/628-1-0x000000000047B000-0x000000000047F000-memory.dmp

          Filesize

          16KB

        • memory/628-7-0x0000000002F20000-0x0000000002F21000-memory.dmp

          Filesize

          4KB

        • memory/628-0-0x000000000047B000-0x000000000047F000-memory.dmp

          Filesize

          16KB

        • memory/1076-15-0x0000000002570000-0x0000000002581000-memory.dmp

          Filesize

          68KB

        • memory/1460-26-0x00000000003C0000-0x00000000003F7000-memory.dmp

          Filesize

          220KB

        • memory/1760-2-0x000007FEF7FB0000-0x000007FEF822A000-memory.dmp

          Filesize

          2.5MB