Analysis

  • max time kernel
    102s
  • max time network
    109s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20/10/2020, 22:28

General

  • Target

    doc_pack-437418399.xls

  • Size

    62KB

  • MD5

    16026b2c8892d64f1cf81c9d9beb9d98

  • SHA1

    711f14fee9e4e263ec421ae0271e6e2d81ca2a03

  • SHA256

    cdf180529dd6c68e53a6c097a420c893d81c82e0380f97afe8695e51365b242a

  • SHA512

    87a5629e6190a189e10540a4226558af7144ad567138466ddfbbdfb300e733978ea59ac6c550261b3743626b739744df05ea90304790e94694aa0fdc0563ec35

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-437418399.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1764
    • 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:696
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1380
      • C:\Users\Admin\AppData\Roaming\Microsoft\Nturducqdut\tvrros.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Nturducqdut\tvrros.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:428
        • C:\Users\Admin\AppData\Roaming\Microsoft\Nturducqdut\tvrros.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Nturducqdut\tvrros.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:844
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:548
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn kzaglfdq /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I kzaglfdq" /SC ONCE /Z /ST 22:35 /ET 22:47
        3⤵
        • Creates scheduled task(s)
        PID:996
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {80C06747-3E28-40BC-B31A-A74CF5BC77B1} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1828
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I kzaglfdq
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2008

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/428-25-0x00000000003B0000-0x00000000003E7000-memory.dmp

    Filesize

    220KB

  • memory/844-24-0x00000000024C0000-0x00000000024D1000-memory.dmp

    Filesize

    68KB

  • memory/1144-2-0x000007FEF47C0000-0x000007FEF4A3A000-memory.dmp

    Filesize

    2.5MB

  • memory/1380-15-0x00000000024C0000-0x00000000024D1000-memory.dmp

    Filesize

    68KB

  • memory/1764-7-0x0000000002F20000-0x0000000002F21000-memory.dmp

    Filesize

    4KB

  • memory/1764-6-0x0000000005F20000-0x0000000005F24000-memory.dmp

    Filesize

    16KB

  • memory/1764-11-0x0000000004D10000-0x0000000004D14000-memory.dmp

    Filesize

    16KB

  • memory/1764-5-0x0000000006F20000-0x0000000006F24000-memory.dmp

    Filesize

    16KB