Analysis

  • max time kernel
    104s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19/10/2020, 23:32

General

  • Target

    document-1346906567.xls

  • Size

    426KB

  • MD5

    f344be777b72d55e723604235570664a

  • SHA1

    150de4053ca448e7cffccb8097e0cfc54cc7c816

  • SHA256

    7a15218bbbaf26860ecdafd9fe17973b9f3c990bb7602325267a464e4605357b

  • SHA512

    e51dbaf5b636ca1ac38036c1dd5949831605e2b521401d7c62bb441a6b714201e290504bd22f50b4082df9faef48e9e9573e0c90a9533a189924ba82d291f3c3

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-1346906567.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1140
    • 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:1028
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:868
      • C:\Users\Admin\AppData\Roaming\Microsoft\Iaoca\kfqke.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Iaoca\kfqke.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1712
        • C:\Users\Admin\AppData\Roaming\Microsoft\Iaoca\kfqke.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Iaoca\kfqke.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:824
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2036
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn jrjbbbuir /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I jrjbbbuir" /SC ONCE /Z /ST 23:35 /ET 23:47
        3⤵
        • Creates scheduled task(s)
        PID:1040
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {6466ABFC-91E6-4939-A952-AFE7628C4ED7} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I jrjbbbuir
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:436

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/824-24-0x0000000002570000-0x0000000002581000-memory.dmp

          Filesize

          68KB

        • memory/868-15-0x00000000024F0000-0x0000000002501000-memory.dmp

          Filesize

          68KB

        • memory/1140-11-0x0000000004CC0000-0x0000000004CC4000-memory.dmp

          Filesize

          16KB

        • memory/1140-7-0x00000000024F0000-0x00000000024F1000-memory.dmp

          Filesize

          4KB

        • memory/1140-6-0x00000000060D0000-0x00000000060D4000-memory.dmp

          Filesize

          16KB

        • memory/1140-5-0x00000000070D0000-0x00000000070D4000-memory.dmp

          Filesize

          16KB

        • memory/1712-25-0x0000000000440000-0x0000000000477000-memory.dmp

          Filesize

          220KB

        • memory/1856-2-0x000007FEF6880000-0x000007FEF6AFA000-memory.dmp

          Filesize

          2.5MB