Analysis

  • max time kernel
    101s
  • max time network
    13s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20/10/2020, 23:12

General

  • Target

    doc_pack-558028279.xls

  • Size

    62KB

  • MD5

    c2f0c7b109a94b73037f64e4012f1408

  • SHA1

    5951e185e2fca3a58079fc0d7636b9ad0c20c707

  • SHA256

    9a6b11256e4f07bebe32f2eec83c9501ff2a38e3b609b999d2879f0254aef45c

  • SHA512

    887792ec31ed36f39f075cb6abc62a36103b66b4a64d8233883fcd9ca7f3cfcc637b8b0582699ed3f99aaec5f13172315542d3405b700160d057a9080584f425

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-558028279.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:304
    • 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:1936
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1996
      • C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1416
        • C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Pywazwuuea\hegmo.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1872
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:944
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn gtasnfrfxi /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I gtasnfrfxi" /SC ONCE /Z /ST 01:24 /ET 01:36
        3⤵
        • Creates scheduled task(s)
        PID:804
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {EEB7068F-4EF6-48BF-8E53-4680B3E2A936} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1548
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I gtasnfrfxi
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:948

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/304-5-0x0000000006E10000-0x0000000006E14000-memory.dmp

    Filesize

    16KB

  • memory/304-4-0x0000000006C60000-0x0000000006C64000-memory.dmp

    Filesize

    16KB

  • memory/304-10-0x0000000005C60000-0x0000000005C64000-memory.dmp

    Filesize

    16KB

  • memory/304-6-0x0000000002ED0000-0x0000000002ED1000-memory.dmp

    Filesize

    4KB

  • memory/1172-1-0x000007FEF8040000-0x000007FEF82BA000-memory.dmp

    Filesize

    2.5MB

  • memory/1416-24-0x0000000000550000-0x0000000000587000-memory.dmp

    Filesize

    220KB

  • memory/1872-23-0x00000000024C0000-0x00000000024D1000-memory.dmp

    Filesize

    68KB

  • memory/1996-14-0x0000000002580000-0x0000000002591000-memory.dmp

    Filesize

    68KB