Analysis

  • max time kernel
    130s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 22:25

General

  • Target

    doc_pack-329653596.xls

  • Size

    62KB

  • MD5

    f9f36e3052e281bc1c8e58a8e944d439

  • SHA1

    e1a370ac15c32b833eb29664767d9963cc84e566

  • SHA256

    c478ba5a626fc1bf7d3a08865c0ee00050425c2997a80bdc32d0d21641fdc86f

  • SHA512

    3cc59bdbde2af30f07e66df557334069cc44f66716f13675e33f6c411ccc96cbcb70b68893a2198f4cca1e9ded3845c8553bb912fefb8e27fe95c9097f8b4ea7

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 7 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-329653596.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1156
    • 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:2024
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:744
      • C:\Users\Admin\AppData\Roaming\Microsoft\Efrqqceitly\ruoyxa.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Efrqqceitly\ruoyxa.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:288
        • C:\Users\Admin\AppData\Roaming\Microsoft\Efrqqceitly\ruoyxa.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Efrqqceitly\ruoyxa.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:688
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:976
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn fertyypw /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I fertyypw" /SC ONCE /Z /ST 22:31 /ET 22:43
        3⤵
        • Creates scheduled task(s)
        PID:112
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {D53E75DC-5F42-478C-9672-7585F607CF6A} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I fertyypw
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1044

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/288-24-0x00000000023D0000-0x0000000002407000-memory.dmp

    Filesize

    220KB

  • memory/688-23-0x0000000002460000-0x0000000002471000-memory.dmp

    Filesize

    68KB

  • memory/744-14-0x00000000024A0000-0x00000000024B1000-memory.dmp

    Filesize

    68KB

  • memory/1156-10-0x0000000004E40000-0x0000000004E44000-memory.dmp

    Filesize

    16KB

  • memory/1156-6-0x0000000002EB0000-0x0000000002EB1000-memory.dmp

    Filesize

    4KB

  • memory/1156-5-0x00000000060B0000-0x00000000060B4000-memory.dmp

    Filesize

    16KB

  • memory/1156-4-0x00000000070B0000-0x00000000070B4000-memory.dmp

    Filesize

    16KB

  • memory/1836-1-0x000007FEF43E0000-0x000007FEF465A000-memory.dmp

    Filesize

    2.5MB