Analysis

  • max time kernel
    129s
  • max time network
    13s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20/10/2020, 23:07

General

  • Target

    doc_pack-611015860.xls

  • Size

    62KB

  • MD5

    347f5eec32582ec03753a31e5210d0b1

  • SHA1

    90ef4e6b994d094379ba04c78cb7b8532578d49c

  • SHA256

    43770b4ea36f6cb2707119a9010062e240d03851ad529dceb69a05aa45fa2513

  • SHA512

    e56229e5ea2bc2bf48cb0485fa7744f2c0d49c91f0ad40e5e1462c3ec1de91bb9480eeed7ed099998d621b9739807512dcec1f0806f83303e5fd3b41f8d0afdf

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-611015860.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1508
    • 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:1996
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1104
      • C:\Users\Admin\AppData\Roaming\Microsoft\Eososhhok\bzpokozt.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Eososhhok\bzpokozt.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1328
        • C:\Users\Admin\AppData\Roaming\Microsoft\Eososhhok\bzpokozt.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Eososhhok\bzpokozt.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1208
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:936
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn lksangxnek /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I lksangxnek" /SC ONCE /Z /ST 01:19 /ET 01:31
        3⤵
        • Creates scheduled task(s)
        PID:808
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {9180DC09-A68B-44B4-81E0-6C7B9C100C89} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:948
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I lksangxnek
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1560

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1104-13-0x00000000025E0000-0x00000000025F1000-memory.dmp

    Filesize

    68KB

  • memory/1208-23-0x0000000002510000-0x0000000002521000-memory.dmp

    Filesize

    68KB

  • memory/1328-24-0x00000000003C0000-0x00000000003F7000-memory.dmp

    Filesize

    220KB

  • memory/1508-9-0x0000000004C70000-0x0000000004C74000-memory.dmp

    Filesize

    16KB

  • memory/1508-6-0x0000000005F00000-0x0000000005F04000-memory.dmp

    Filesize

    16KB

  • memory/1508-5-0x0000000005D50000-0x0000000005D54000-memory.dmp

    Filesize

    16KB

  • memory/1868-2-0x000007FEF6C50000-0x000007FEF6ECA000-memory.dmp

    Filesize

    2.5MB