Analysis

  • max time kernel
    127s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 23:06

General

  • Target

    doc_pack-717104901.xls

  • Size

    62KB

  • MD5

    4ba76eb297300acb076ef4f1d77e8870

  • SHA1

    fac478258567f8fa415e1fe2eee7bf758f490e8e

  • SHA256

    3d0d968e286cbf1e329f799812b85a3d46c0b69bb259a1d4c8cab4157bc5cec0

  • SHA512

    81310901b432c0c793239cc65519bbf89c8fd7cf3a12ccaf745778c6d1d2b1713b4c77a338af2fc63d7785f5994b453222eb34b45107c14bcc770678cf73532d

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-717104901.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1768
    • 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:1692
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1072
      • C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1452
        • C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Whjtevwqcxli\fjnooz.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:916
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1320
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ayeqdbst /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I ayeqdbst" /SC ONCE /Z /ST 23:16 /ET 23:28
        3⤵
        • Creates scheduled task(s)
        PID:612
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {6F6EDB02-82E5-4292-B86C-BE8757F23358} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I ayeqdbst
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1600

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/280-2-0x000007FEF6C90000-0x000007FEF6F0A000-memory.dmp

    Filesize

    2.5MB

  • memory/916-25-0x00000000025F0000-0x0000000002601000-memory.dmp

    Filesize

    68KB

  • memory/1072-15-0x00000000024D0000-0x00000000024E1000-memory.dmp

    Filesize

    68KB

  • memory/1452-26-0x00000000020B0000-0x00000000020E7000-memory.dmp

    Filesize

    220KB

  • memory/1768-11-0x0000000004D30000-0x0000000004D34000-memory.dmp

    Filesize

    16KB

  • memory/1768-7-0x0000000002EA0000-0x0000000002EA1000-memory.dmp

    Filesize

    4KB

  • memory/1768-6-0x0000000006020000-0x0000000006024000-memory.dmp

    Filesize

    16KB

  • memory/1768-5-0x0000000005E30000-0x0000000005E34000-memory.dmp

    Filesize

    16KB