Analysis

  • max time kernel
    118s
  • max time network
    12s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 23:06

General

  • Target

    doc_pack-588613142.xls

  • Size

    62KB

  • MD5

    f624f192d150a1b1125d73d3f69949c3

  • SHA1

    8480bad54be42a4b07305514404b7fc65553137f

  • SHA256

    e4e3269537adb89d0771a276fbe223245a49c4e45d1d692911543d5d3e60eca2

  • SHA512

    ecbf218965b920403052c6f707db0c8ac311bad41d1f557dcf64658a842ee5315a5d28786efecf11baaf5e597687d0ab76fd46b54b660701ac3f90c602a0a729

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 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-588613142.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1492
    • 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:1060
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:592
      • C:\Users\Admin\AppData\Roaming\Microsoft\Qstczajgou\aioap.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Qstczajgou\aioap.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:340
        • C:\Users\Admin\AppData\Roaming\Microsoft\Qstczajgou\aioap.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Qstczajgou\aioap.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:640
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1156
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn jkfvpgccr /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I jkfvpgccr" /SC ONCE /Z /ST 23:16 /ET 23:28
        3⤵
        • Creates scheduled task(s)
        PID:1324
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {26339A85-941E-4A8D-89F3-61F400AA3B7A} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1304
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I jkfvpgccr
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1504

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/340-25-0x0000000000880000-0x00000000008B7000-memory.dmp

    Filesize

    220KB

  • memory/592-15-0x00000000024A0000-0x00000000024B1000-memory.dmp

    Filesize

    68KB

  • memory/640-24-0x0000000002510000-0x0000000002521000-memory.dmp

    Filesize

    68KB

  • memory/1388-2-0x000007FEF7830000-0x000007FEF7AAA000-memory.dmp

    Filesize

    2.5MB

  • memory/1492-11-0x0000000004D10000-0x0000000004D14000-memory.dmp

    Filesize

    16KB

  • memory/1492-8-0x0000000002090000-0x0000000002091000-memory.dmp

    Filesize

    4KB

  • memory/1492-7-0x00000000020A0000-0x00000000020A5000-memory.dmp

    Filesize

    20KB

  • memory/1492-6-0x0000000006010000-0x0000000006014000-memory.dmp

    Filesize

    16KB

  • memory/1492-5-0x0000000007010000-0x0000000007014000-memory.dmp

    Filesize

    16KB