Analysis

  • max time kernel
    63s
  • max time network
    39s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20/10/2020, 22:28

General

  • Target

    doc_pack-4330531.xls

  • Size

    62KB

  • MD5

    8a004104c6fbb9ad9a96d36d963f4c3b

  • SHA1

    47b51a1cb28ddb16bc09c268938ff7cec6c0b9ad

  • SHA256

    79979dd8eb8bfbfd89e6b5bc336fc685bcd1509c9b21bfc56a0fc73a451097e7

  • SHA512

    b508628e3137903669778a41b7b18fbd23f07c8f39043bf270d98fda1e24a0a68f2f074111cdf1af01f7d29ef73bfad3e0de6b82d3d995168f2d655bb3606850

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 4 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 8 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 25 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-4330531.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1516
    • 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:1604
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1052
      • C:\Users\Admin\AppData\Roaming\Microsoft\Eymlvtbuwvby\ohtrntfv.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Eymlvtbuwvby\ohtrntfv.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:428
        • C:\Users\Admin\AppData\Roaming\Microsoft\Eymlvtbuwvby\ohtrntfv.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Eymlvtbuwvby\ohtrntfv.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1008
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1220
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn lrexiidws /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I lrexiidws" /SC ONCE /Z /ST 00:44 /ET 00:56
        3⤵
        • Creates scheduled task(s)
        PID:1212

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/428-24-0x0000000002110000-0x0000000002147000-memory.dmp

    Filesize

    220KB

  • memory/1008-23-0x0000000002480000-0x0000000002491000-memory.dmp

    Filesize

    68KB

  • memory/1052-13-0x0000000002520000-0x0000000002531000-memory.dmp

    Filesize

    68KB

  • memory/1516-9-0x0000000004E70000-0x0000000004E74000-memory.dmp

    Filesize

    16KB

  • memory/1516-5-0x0000000005FB0000-0x0000000005FB4000-memory.dmp

    Filesize

    16KB

  • memory/1516-6-0x0000000006150000-0x0000000006154000-memory.dmp

    Filesize

    16KB

  • memory/1960-2-0x000007FEF7290000-0x000007FEF750A000-memory.dmp

    Filesize

    2.5MB