Analysis

  • max time kernel
    89s
  • max time network
    9s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 22:28

General

  • Target

    doc_pack-425070766.xls

  • Size

    62KB

  • MD5

    a1aec5751ac217b8a015117c85d14bc5

  • SHA1

    60259e906df99eb3e8bb45dd00afa0fd45c6f2e2

  • SHA256

    2d340059906002683010bbb6dc8b006d577b3d19f8a9a4be139f75d94034d92e

  • SHA512

    4c06f52a9bed6e98142055cd4ecff3a9ca1e342e43a7f1b2ea05e43a747f5a9d9c6ab188c304d0d9ce6cb680017802d1661515d77fb25542bd9cdc152974247f

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-425070766.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1424
    • 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:832
      • C:\Users\Admin\AppData\Roaming\Microsoft\Rqynxjyfwcq\rkdasufe.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Rqynxjyfwcq\rkdasufe.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:512
        • C:\Users\Admin\AppData\Roaming\Microsoft\Rqynxjyfwcq\rkdasufe.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Rqynxjyfwcq\rkdasufe.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:268
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:944
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn adcreknbtx /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I adcreknbtx" /SC ONCE /Z /ST 22:35 /ET 22:47
        3⤵
        • Creates scheduled task(s)
        PID:1208
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {3488F839-2AFC-4B41-B05A-3419BF055CFF} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1472
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I adcreknbtx
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1840

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/268-24-0x00000000025B0000-0x00000000025C1000-memory.dmp

    Filesize

    68KB

  • memory/512-25-0x0000000002450000-0x0000000002487000-memory.dmp

    Filesize

    220KB

  • memory/832-15-0x00000000024D0000-0x00000000024E1000-memory.dmp

    Filesize

    68KB

  • memory/1424-11-0x0000000004DD0000-0x0000000004DD4000-memory.dmp

    Filesize

    16KB

  • memory/1424-7-0x0000000002500000-0x0000000002501000-memory.dmp

    Filesize

    4KB

  • memory/1424-6-0x00000000060A0000-0x00000000060A4000-memory.dmp

    Filesize

    16KB

  • memory/1424-5-0x00000000070A0000-0x00000000070A4000-memory.dmp

    Filesize

    16KB

  • memory/1752-2-0x000007FEF80C0000-0x000007FEF833A000-memory.dmp

    Filesize

    2.5MB