Analysis

  • max time kernel
    85s
  • max time network
    39s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19/10/2020, 22:59

General

  • Target

    document-1228451897.xls

  • Size

    426KB

  • MD5

    eaaf00de6b668133f78d35929263e3b3

  • SHA1

    62aa5b24a2c630286d5fd976cfc6711086191036

  • SHA256

    387263eca6709fe13a308d9a746e2f30575efec50f024bc52b3963078139f538

  • SHA512

    e7f8f66ac53d6c09c18aa7b97bd3e76961c1edd9c90a0d473669740dd1242c673ae92c78df9f703fac5efdbad9a8c94beaa669994268464fa2cbbfa92a14ac99

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-1228451897.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1080
    • 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:824
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:396
      • C:\Users\Admin\AppData\Roaming\Microsoft\Pyvfcloxeipi\dgyre.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Pyvfcloxeipi\dgyre.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:664
        • C:\Users\Admin\AppData\Roaming\Microsoft\Pyvfcloxeipi\dgyre.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Pyvfcloxeipi\dgyre.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:868
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:552
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn baowouqc /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I baowouqc" /SC ONCE /Z /ST 23:00 /ET 23:12
        3⤵
        • Creates scheduled task(s)
        PID:1212
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {E574EF4B-307C-4744-91DA-D76AFE136C09} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1788
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I baowouqc
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1036

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/396-15-0x0000000002470000-0x0000000002481000-memory.dmp

          Filesize

          68KB

        • memory/664-25-0x00000000003C0000-0x00000000003F7000-memory.dmp

          Filesize

          220KB

        • memory/868-24-0x0000000002560000-0x0000000002571000-memory.dmp

          Filesize

          68KB

        • memory/1080-11-0x0000000004DE0000-0x0000000004DE4000-memory.dmp

          Filesize

          16KB

        • memory/1080-7-0x0000000002500000-0x0000000002501000-memory.dmp

          Filesize

          4KB

        • memory/1080-6-0x00000000061B0000-0x00000000061B4000-memory.dmp

          Filesize

          16KB

        • memory/1080-5-0x00000000071B0000-0x00000000071B4000-memory.dmp

          Filesize

          16KB

        • memory/1364-2-0x000007FEF7920000-0x000007FEF7B9A000-memory.dmp

          Filesize

          2.5MB