Analysis

  • max time kernel
    130s
  • max time network
    13s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20/10/2020, 23:07

General

  • Target

    doc_pack-665502306.xls

  • Size

    62KB

  • MD5

    a6571f19c971a28eeb93c4352e5b7de3

  • SHA1

    39154450387fe18393d88c908d942d9c7207f41f

  • SHA256

    253c6b49a7dc8f2c5c47c4767153049b6d6c579d32e9038f81a5f7e36c195d20

  • SHA512

    c255495e31fb41bc04197e5f421025cce4ef4c0dcca51b92e9dc61c99e02de2d3265ea69d0ce2bc0d506c2a0e48269ce0ae4ca2b25d9c4908779c3b437cf0a39

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-665502306.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1060
    • 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:1928
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1448
      • C:\Users\Admin\AppData\Roaming\Microsoft\Qgoyjllri\jrijiol.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Qgoyjllri\jrijiol.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2028
        • C:\Users\Admin\AppData\Roaming\Microsoft\Qgoyjllri\jrijiol.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Qgoyjllri\jrijiol.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1200
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:940
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn fyxnjrx /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I fyxnjrx" /SC ONCE /Z /ST 01:19 /ET 01:31
        3⤵
        • Creates scheduled task(s)
        PID:2024
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {35A207B0-59C4-4ACC-8F11-33CB44B7AD2E} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I fyxnjrx
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:968

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1060-6-0x00000000060A0000-0x00000000060A4000-memory.dmp

    Filesize

    16KB

  • memory/1060-9-0x0000000004D40000-0x0000000004D44000-memory.dmp

    Filesize

    16KB

  • memory/1060-0-0x000000000040E000-0x0000000000412000-memory.dmp

    Filesize

    16KB

  • memory/1060-5-0x00000000070A0000-0x00000000070A4000-memory.dmp

    Filesize

    16KB

  • memory/1060-1-0x000000000040E000-0x0000000000412000-memory.dmp

    Filesize

    16KB

  • memory/1200-22-0x00000000024E0000-0x00000000024F1000-memory.dmp

    Filesize

    68KB

  • memory/1348-2-0x000007FEF6750000-0x000007FEF69CA000-memory.dmp

    Filesize

    2.5MB

  • memory/1448-13-0x00000000024C0000-0x00000000024D1000-memory.dmp

    Filesize

    68KB

  • memory/2028-23-0x0000000002440000-0x0000000002477000-memory.dmp

    Filesize

    220KB