Analysis

  • max time kernel
    112s
  • max time network
    24s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20/10/2020, 23:12

General

  • Target

    doc_pack-58573999.xls

  • Size

    62KB

  • MD5

    f4ed6231de35bbe5c92804f37ea6fcf0

  • SHA1

    6d71cd542aef65cd1a534364ea1765534210be84

  • SHA256

    e7f1b70d175e001e2afd453841146f3f224c8b3e155743d723684a6a4a3fce66

  • SHA512

    a2c77671d831ae067fbc96cd1e0da20409569b57115ae9110b8ecf9362501dba3aca3c90a20136b07ad5e30f16437e2a7851a211134da0b96a85e81bef9b76e0

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\doc_pack-58573999.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\COsuv\Wegerb\szvMhegn.exe
      "C:\COsuv\Wegerb\szvMhegn.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1896
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1968
      • C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1304
        • C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Nxdnujw\idpdwscr.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1308
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1144
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn cslvqyw /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I cslvqyw" /SC ONCE /Z /ST 01:24 /ET 01:36
        3⤵
        • Creates scheduled task(s)
        PID:968
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {693F78B0-5FE5-46CB-9602-50A989B938A1} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1192
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I cslvqyw
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:960

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1304-25-0x0000000000450000-0x0000000000487000-memory.dmp

    Filesize

    220KB

  • memory/1308-24-0x00000000024A0000-0x00000000024B1000-memory.dmp

    Filesize

    68KB

  • memory/1420-11-0x0000000004FF0000-0x0000000004FF4000-memory.dmp

    Filesize

    16KB

  • memory/1420-7-0x0000000002500000-0x0000000002501000-memory.dmp

    Filesize

    4KB

  • memory/1420-6-0x00000000061A0000-0x00000000061A4000-memory.dmp

    Filesize

    16KB

  • memory/1420-5-0x0000000005FF0000-0x0000000005FF4000-memory.dmp

    Filesize

    16KB

  • memory/1832-2-0x000007FEF8150000-0x000007FEF83CA000-memory.dmp

    Filesize

    2.5MB

  • memory/1968-15-0x0000000002570000-0x0000000002581000-memory.dmp

    Filesize

    68KB