Analysis

  • max time kernel
    103s
  • max time network
    26s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20/10/2020, 23:12

General

  • Target

    doc_pack-633171833.xls

  • Size

    62KB

  • MD5

    9c58f720b180e0af44747b9830a549dc

  • SHA1

    24f07332f66894e6875bc2e43c51ca194b5b92df

  • SHA256

    51cee8e44291bd8c4ee1f4f356e6871703ffb9ebc1006233504f583f627fe10b

  • SHA512

    cb3aa8e16b7de7af665d84bf1410ccdf38354c43f96e6a7503299547a33ab9e3622e2bbde71264bf87c46be02c2d6bd2cf979f2bb65609c3136de08667d13378

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-633171833.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1516
    • 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:1112
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1736
      • C:\Users\Admin\AppData\Roaming\Microsoft\Onypybitsnye\ezelpzt.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Onypybitsnye\ezelpzt.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1056
        • C:\Users\Admin\AppData\Roaming\Microsoft\Onypybitsnye\ezelpzt.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Onypybitsnye\ezelpzt.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1420
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1004
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn wpypafw /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I wpypafw" /SC ONCE /Z /ST 01:24 /ET 01:36
        3⤵
        • Creates scheduled task(s)
        PID:432
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {50B5687C-D428-45A3-83F0-86C8AE6F62B9} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I wpypafw
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:940

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1056-26-0x0000000002440000-0x0000000002477000-memory.dmp

    Filesize

    220KB

  • memory/1420-25-0x0000000002540000-0x0000000002551000-memory.dmp

    Filesize

    68KB

  • memory/1516-7-0x00000000024F0000-0x00000000024F1000-memory.dmp

    Filesize

    4KB

  • memory/1516-6-0x00000000060F0000-0x00000000060F4000-memory.dmp

    Filesize

    16KB

  • memory/1516-11-0x0000000004CA0000-0x0000000004CA4000-memory.dmp

    Filesize

    16KB

  • memory/1516-5-0x00000000070F0000-0x00000000070F4000-memory.dmp

    Filesize

    16KB

  • memory/1736-15-0x0000000002560000-0x0000000002571000-memory.dmp

    Filesize

    68KB

  • memory/1952-2-0x000007FEF8560000-0x000007FEF87DA000-memory.dmp

    Filesize

    2.5MB