Analysis

  • max time kernel
    112s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 22:23

General

  • Target

    doc_pack-345057170.xls

  • Size

    62KB

  • MD5

    fe2ebe3f1daceedd8aa40708a3c101bc

  • SHA1

    be96b9225517604540c6d7a355db50c4d3b7e723

  • SHA256

    8a90e7c86390b108ac72220703ff2c3a3935741ffd1f01fc4cba85b8c8b4c9eb

  • SHA512

    b04c6ea36bc664f19d2d8d22b28b062f0c1cd7fafcc4a8430d09573c9645ff65f2e39e7a813afbf53683dc0c3bc741cbbea80e5c03d94ce6073c480b95d6a9f3

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-345057170.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1460
    • 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:2020
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1180
      • C:\Users\Admin\AppData\Roaming\Microsoft\Ykyypklf\meyunzo.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Ykyypklf\meyunzo.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1084
        • C:\Users\Admin\AppData\Roaming\Microsoft\Ykyypklf\meyunzo.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Ykyypklf\meyunzo.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1696
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:592
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn cfvhsph /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I cfvhsph" /SC ONCE /Z /ST 22:35 /ET 22:47
        3⤵
        • Creates scheduled task(s)
        PID:436
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {1186835B-F3E3-4ECB-8856-38FF5F0A23D2} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:832
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I cfvhsph
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1480

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1084-22-0x00000000004B0000-0x00000000004E7000-memory.dmp

    Filesize

    220KB

  • memory/1180-12-0x00000000024D0000-0x00000000024E1000-memory.dmp

    Filesize

    68KB

  • memory/1404-1-0x000007FEF6440000-0x000007FEF66BA000-memory.dmp

    Filesize

    2.5MB

  • memory/1460-8-0x0000000004CC0000-0x0000000004CC4000-memory.dmp

    Filesize

    16KB

  • memory/1460-5-0x0000000005EB0000-0x0000000005EB4000-memory.dmp

    Filesize

    16KB

  • memory/1460-4-0x0000000006EB0000-0x0000000006EB4000-memory.dmp

    Filesize

    16KB

  • memory/1696-21-0x0000000002420000-0x0000000002431000-memory.dmp

    Filesize

    68KB