Analysis

  • max time kernel
    125s
  • max time network
    15s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20/10/2020, 22:22

General

  • Target

    doc_pack-340914655.xls

  • Size

    62KB

  • MD5

    ccd54683c7b990099621c26af15d37d3

  • SHA1

    0bf02bcaf04ae73aac92a5e9548118967dd9ba48

  • SHA256

    4b9cc1e250931e638aaab20a46fa7b3563e9947620f7ca1c7e0f421b2a34207c

  • SHA512

    31211471eb7ca76a46144addab846cf650e74c6d06ce2eb359b15df7ba2cf266e0a9c9e3490d160fd2af0965b70a593f3dd906ce3a825b3b8ca93684bfb8ec2d

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-340914655.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:836
    • 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:588
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1508
      • C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1060
        • C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Auwojhp\lgywon.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1832
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1840
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn wcafdsxqzk /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I wcafdsxqzk" /SC ONCE /Z /ST 00:24 /ET 00:36
        3⤵
        • Creates scheduled task(s)
        PID:1260
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {71F645E5-36E8-4CEC-AB10-D79B5D87426D} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I wcafdsxqzk
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1680

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/836-9-0x0000000004E40000-0x0000000004E44000-memory.dmp

    Filesize

    16KB

  • memory/836-6-0x00000000060F0000-0x00000000060F4000-memory.dmp

    Filesize

    16KB

  • memory/836-5-0x00000000070F0000-0x00000000070F4000-memory.dmp

    Filesize

    16KB

  • memory/1060-23-0x0000000000630000-0x0000000000667000-memory.dmp

    Filesize

    220KB

  • memory/1508-13-0x00000000024E0000-0x00000000024F1000-memory.dmp

    Filesize

    68KB

  • memory/1732-2-0x000007FEF8550000-0x000007FEF87CA000-memory.dmp

    Filesize

    2.5MB

  • memory/1832-22-0x0000000002510000-0x0000000002521000-memory.dmp

    Filesize

    68KB