Analysis

  • max time kernel
    140s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 23:07

General

  • Target

    doc_pack-701289589.xls

  • Size

    62KB

  • MD5

    0a3e4a4306d4d9ccf1e3aa14305c4705

  • SHA1

    37d91dfb8934dfd1221e847f4ba6c3777731596b

  • SHA256

    77ed5c2c804488f816c2e84f360b87194225f5a42609ed07a715209bdbba5abc

  • SHA512

    1686a6f55cc0a0d088724d8bfa47512da2c04129c9accabd6b5a0f4c21ec382c8cb6d297d6f4d3298a34e678fcabf4fd531b391c56fb4bd3624ea007d4e9ae1d

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-701289589.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1276
    • 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:2036
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1528
      • C:\Users\Admin\AppData\Roaming\Microsoft\Gmtuck\aaxoay.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Gmtuck\aaxoay.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:552
        • C:\Users\Admin\AppData\Roaming\Microsoft\Gmtuck\aaxoay.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Gmtuck\aaxoay.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1872
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1876
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn pflzpxexvl /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I pflzpxexvl" /SC ONCE /Z /ST 23:12 /ET 23:24
        3⤵
        • Creates scheduled task(s)
        PID:740
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {03229154-5480-47E8-9756-687A45FBE8C4} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1800
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I pflzpxexvl
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:432

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/552-25-0x0000000000330000-0x0000000000367000-memory.dmp

    Filesize

    220KB

  • memory/1276-7-0x0000000002500000-0x0000000002501000-memory.dmp

    Filesize

    4KB

  • memory/1276-11-0x0000000004B80000-0x0000000004B84000-memory.dmp

    Filesize

    16KB

  • memory/1276-6-0x0000000005EB0000-0x0000000005EB4000-memory.dmp

    Filesize

    16KB

  • memory/1276-5-0x0000000006EB0000-0x0000000006EB4000-memory.dmp

    Filesize

    16KB

  • memory/1528-15-0x00000000024B0000-0x00000000024C1000-memory.dmp

    Filesize

    68KB

  • memory/1852-2-0x000007FEF7630000-0x000007FEF78AA000-memory.dmp

    Filesize

    2.5MB

  • memory/1872-24-0x0000000002620000-0x0000000002631000-memory.dmp

    Filesize

    68KB