Analysis

  • max time kernel
    104s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 22:25

General

  • Target

    doc_pack-371097622.xls

  • Size

    62KB

  • MD5

    55236f4fbc671b11191b74d1f2237feb

  • SHA1

    b14df0b75837d61546995510b89dff56c0be66d7

  • SHA256

    8cb2ec3cdfbc10c23f2151b30c245c9fc092ea1bd2c735066259e88f93483647

  • SHA512

    9279b258a9e86e500de884913b26fa3542b09740233db40c09a6045a639c6200284f1586fd4508c9ccbc9f9ff9c0670f282a373aa6a1dbe02b2f6291fc96feff

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-371097622.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1104
    • 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:1932
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1712
      • C:\Users\Admin\AppData\Roaming\Microsoft\Oetluyamea\vuoujgya.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Oetluyamea\vuoujgya.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:704
        • C:\Users\Admin\AppData\Roaming\Microsoft\Oetluyamea\vuoujgya.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Oetluyamea\vuoujgya.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1184
        • 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 zohxuwhdno /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I zohxuwhdno" /SC ONCE /Z /ST 22:39 /ET 22:51
        3⤵
        • Creates scheduled task(s)
        PID:972
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {8446CF47-EB48-4D39-90C6-9662F9DBD493} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I zohxuwhdno
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1948

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/704-25-0x00000000003B0000-0x00000000003E7000-memory.dmp

    Filesize

    220KB

  • memory/1104-6-0x0000000006030000-0x0000000006034000-memory.dmp

    Filesize

    16KB

  • memory/1104-5-0x0000000007030000-0x0000000007034000-memory.dmp

    Filesize

    16KB

  • memory/1104-1-0x0000000005D70000-0x0000000005E70000-memory.dmp

    Filesize

    1024KB

  • memory/1104-11-0x0000000004D70000-0x0000000004D74000-memory.dmp

    Filesize

    16KB

  • memory/1104-7-0x00000000024F0000-0x00000000024F1000-memory.dmp

    Filesize

    4KB

  • memory/1104-0-0x0000000005D70000-0x0000000005E70000-memory.dmp

    Filesize

    1024KB

  • memory/1184-24-0x0000000002530000-0x0000000002541000-memory.dmp

    Filesize

    68KB

  • memory/1712-15-0x0000000002450000-0x0000000002461000-memory.dmp

    Filesize

    68KB

  • memory/1832-2-0x000007FEF6880000-0x000007FEF6AFA000-memory.dmp

    Filesize

    2.5MB