Analysis

  • max time kernel
    100s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19/10/2020, 23:32

General

  • Target

    document-1296073206.xls

  • Size

    426KB

  • MD5

    ff090433cf71fc6e6d70a3df221bdf5d

  • SHA1

    e3deee74fa4054ff1bfd5a06b4bcdbdceeb6657c

  • SHA256

    099a0c33e5b78267c626ede1e97b148f2d5259cb36b8d622fa05dae305f1bcbb

  • SHA512

    0437fca2242ec7397ebe02ea0b5ce9eaf0516bc15cfef3deabf90ec19c2394693e7210d5f1d7f1a3d066109b2d62ae08b4f9f12254491c904b5e566cf69c294a

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-1296073206.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1196
    • 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:1084
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1144
      • C:\Users\Admin\AppData\Roaming\Microsoft\Cobvpsloowu\bewchxij.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Cobvpsloowu\bewchxij.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:768
        • C:\Users\Admin\AppData\Roaming\Microsoft\Cobvpsloowu\bewchxij.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Cobvpsloowu\bewchxij.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:796
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1864
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn szjpmyua /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I szjpmyua" /SC ONCE /Z /ST 23:38 /ET 23:50
        3⤵
        • Creates scheduled task(s)
        PID:1592
  • 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:1480
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I szjpmyua
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1204

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/768-22-0x00000000020D0000-0x0000000002107000-memory.dmp

          Filesize

          220KB

        • memory/796-21-0x0000000002420000-0x0000000002431000-memory.dmp

          Filesize

          68KB

        • memory/1144-12-0x0000000002540000-0x0000000002551000-memory.dmp

          Filesize

          68KB

        • memory/1196-8-0x0000000004AE0000-0x0000000004AE4000-memory.dmp

          Filesize

          16KB

        • memory/1196-5-0x00000000060D0000-0x00000000060D4000-memory.dmp

          Filesize

          16KB

        • memory/1196-4-0x00000000070D0000-0x00000000070D4000-memory.dmp

          Filesize

          16KB

        • memory/1492-1-0x000007FEF7BE0000-0x000007FEF7E5A000-memory.dmp

          Filesize

          2.5MB