Analysis

  • max time kernel
    107s
  • max time network
    63s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 22:28

General

  • Target

    doc_pack-418403106.xls

  • Size

    62KB

  • MD5

    ffb26b9614d1917e702d16295d49895b

  • SHA1

    49f8e160daa487d4f978734e87e2e29428d3dea6

  • SHA256

    764a920b8397794ee25686ccfd08c2d8a1a73e1f038ba0429aef74fa78cef94b

  • SHA512

    0733c0aef2be1f48f9fb3f12e6ffd0661a841b820c78fb7de16d465bd91ab89e3a1b551fc942cc2a06480131487e46cf6fb0455ee2dcf5ced30959c38e5fb4cc

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-418403106.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1448
    • 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:1076
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1332
      • C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:304
        • C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Ojfkayxei\bafzhe.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:684
        • 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 xwgyqbmbf /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I xwgyqbmbf" /SC ONCE /Z /ST 22:36 /ET 22:48
        3⤵
        • Creates scheduled task(s)
        PID:1928
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {132F58B4-33E3-4394-9AF2-6411A6FF0CF3} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I xwgyqbmbf
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1416

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/304-25-0x0000000000350000-0x0000000000387000-memory.dmp

    Filesize

    220KB

  • memory/684-24-0x0000000002500000-0x0000000002511000-memory.dmp

    Filesize

    68KB

  • memory/1332-15-0x00000000024F0000-0x0000000002501000-memory.dmp

    Filesize

    68KB

  • memory/1448-11-0x0000000004E00000-0x0000000004E04000-memory.dmp

    Filesize

    16KB

  • memory/1448-7-0x0000000002500000-0x0000000002501000-memory.dmp

    Filesize

    4KB

  • memory/1448-6-0x0000000006040000-0x0000000006044000-memory.dmp

    Filesize

    16KB

  • memory/1448-5-0x0000000007040000-0x0000000007044000-memory.dmp

    Filesize

    16KB

  • memory/1908-2-0x000007FEF6930000-0x000007FEF6BAA000-memory.dmp

    Filesize

    2.5MB