Analysis

  • max time kernel
    109s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 23:07

General

  • Target

    doc_pack-559363553.xls

  • Size

    62KB

  • MD5

    b1eba9767fd7b694320f563a1fa14ac1

  • SHA1

    693149cb421a0e1bc3253075de63f0409f334b52

  • SHA256

    f8a12eeb6eac98952c9119a3529e8f99f9e256cdc899317d12372ed5caa9982c

  • SHA512

    57312c5c606a8f46b2ea583a8c20656f7261c00edb7276a49e4116b1109d52a5bd8e66a0595ef8d322dcfa686fe48ce63a8fdd2f1eac4a4af14808f53eb2f7c8

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-559363553.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1124
    • 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:2008
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:620
      • C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:544
        • C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:308
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1412
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn juypvekn /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I juypvekn" /SC ONCE /Z /ST 23:16 /ET 23:28
        3⤵
        • Creates scheduled task(s)
        PID:1212
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {F066C6F0-0974-4D49-8C7D-FB4989EDC21F} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I juypvekn
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1524

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/308-23-0x00000000023F0000-0x0000000002401000-memory.dmp

    Filesize

    68KB

  • memory/544-24-0x0000000000450000-0x0000000000487000-memory.dmp

    Filesize

    220KB

  • memory/620-14-0x00000000025E0000-0x00000000025F1000-memory.dmp

    Filesize

    68KB

  • memory/1124-10-0x0000000004EA0000-0x0000000004EA4000-memory.dmp

    Filesize

    16KB

  • memory/1124-6-0x0000000002500000-0x0000000002501000-memory.dmp

    Filesize

    4KB

  • memory/1124-5-0x0000000006010000-0x0000000006014000-memory.dmp

    Filesize

    16KB

  • memory/1124-4-0x0000000007010000-0x0000000007014000-memory.dmp

    Filesize

    16KB

  • memory/1712-1-0x000007FEF6AA0000-0x000007FEF6D1A000-memory.dmp

    Filesize

    2.5MB