Analysis

  • max time kernel
    126s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 22:22

General

  • Target

    doc_pack-383516144.xls

  • Size

    62KB

  • MD5

    77da2c8ecdf6240f2f010709b229dad7

  • SHA1

    5750f25a866289acc614fbc5af185a2a93efd60a

  • SHA256

    13ed235b27db69c380c7b658f4b7646aed366d6746c9a36df19436409a9c5890

  • SHA512

    97c5b5d4d5f177f54958f87f22ea23111d8a7010b9348887b5248fd2ba221b270380f79a5594070c5ad596d65e43a7d0766dcb11d3904cb4b9e1b96b9ab6978a

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-383516144.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1496
    • 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:1252
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:968
      • C:\Users\Admin\AppData\Roaming\Microsoft\Qiyyuvuf\vaeaghw.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Qiyyuvuf\vaeaghw.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1104
        • C:\Users\Admin\AppData\Roaming\Microsoft\Qiyyuvuf\vaeaghw.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Qiyyuvuf\vaeaghw.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:988
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:660
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn jhqncddj /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I jhqncddj" /SC ONCE /Z /ST 22:33 /ET 22:45
        3⤵
        • Creates scheduled task(s)
        PID:600
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {5AE91801-CB98-44F4-8BE3-12D568ECF31E} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I jhqncddj
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1408

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/968-15-0x00000000024F0000-0x0000000002501000-memory.dmp

    Filesize

    68KB

  • memory/988-25-0x0000000002430000-0x0000000002441000-memory.dmp

    Filesize

    68KB

  • memory/1104-26-0x0000000001C70000-0x0000000001CA7000-memory.dmp

    Filesize

    220KB

  • memory/1496-7-0x0000000002500000-0x0000000002501000-memory.dmp

    Filesize

    4KB

  • memory/1496-11-0x0000000004D20000-0x0000000004D24000-memory.dmp

    Filesize

    16KB

  • memory/1496-6-0x0000000005EF0000-0x0000000005EF4000-memory.dmp

    Filesize

    16KB

  • memory/1496-5-0x0000000006EF0000-0x0000000006EF4000-memory.dmp

    Filesize

    16KB

  • memory/1904-2-0x000007FEF65F0000-0x000007FEF686A000-memory.dmp

    Filesize

    2.5MB