Analysis

  • max time kernel
    127s
  • max time network
    108s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 22:23

General

  • Target

    doc_pack-358273168.xls

  • Size

    62KB

  • MD5

    6e01a213fcf06d9a615687e2553edac1

  • SHA1

    108c64f678f0838aee1c444dfcc466aa42da4cb9

  • SHA256

    fb486e4ae32ebf7d85f7028223f09d1c906c9a0204a97a76cac995f9e5d0907b

  • SHA512

    30cc67c1ef510a2e22738ad2d13a3d808c0dfe3d859718ddfdc9a014f52578865247dca69b70252d5c6ac6750b08aab1b9ecca2a700a9025a5b2b6940a2fd2dd

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 3 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 7 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-358273168.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:316
    • 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:1308
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:560
      • C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:820
        • C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Dpjudcoy\aukosnfi.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1044
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:748
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn yeufzsuuho /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I yeufzsuuho" /SC ONCE /Z /ST 22:34 /ET 22:46
        3⤵
        • Creates scheduled task(s)
        PID:572
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {CC4F707B-8186-4B01-9FAC-DBF8AE0F3E1E} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1176
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I yeufzsuuho
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1112

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/316-10-0x0000000004B50000-0x0000000004B54000-memory.dmp

    Filesize

    16KB

  • memory/316-6-0x0000000002ED0000-0x0000000002ED1000-memory.dmp

    Filesize

    4KB

  • memory/316-4-0x0000000006EE0000-0x0000000006EE4000-memory.dmp

    Filesize

    16KB

  • memory/316-5-0x0000000005EE0000-0x0000000005EE4000-memory.dmp

    Filesize

    16KB

  • memory/560-14-0x0000000002570000-0x0000000002581000-memory.dmp

    Filesize

    68KB

  • memory/820-25-0x00000000003C0000-0x00000000003F7000-memory.dmp

    Filesize

    220KB

  • memory/1044-24-0x00000000023E0000-0x00000000023F1000-memory.dmp

    Filesize

    68KB

  • memory/1816-1-0x000007FEF6D00000-0x000007FEF6F7A000-memory.dmp

    Filesize

    2.5MB