Analysis

  • max time kernel
    124s
  • max time network
    12s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20/10/2020, 22:25

General

  • Target

    doc_pack-322852480.xls

  • Size

    62KB

  • MD5

    f24be4a4c54255242b5228ad2f71a65e

  • SHA1

    f2a18cc566628f4961968655c3cf6c8c35200569

  • SHA256

    a03c79804415b03223cf3c0e53577cc2781da70e5e9449a8e3cff753dbaf6e83

  • SHA512

    22cfbbb50b3383dbb160a7573be662e813e4855fff4665e5c02c878e0d164e134ee69965996daf4714cb8b002c9b4023e8596801e226223bbc84c23d3710ba90

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-322852480.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1244
    • 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:1952
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:668
      • C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1108
        • C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Zanofomsdsj\zkkypisw.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:612
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:672
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn fibcmqsk /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I fibcmqsk" /SC ONCE /Z /ST 00:32 /ET 00:44
        3⤵
        • Creates scheduled task(s)
        PID:240
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {122B8A81-B88D-4905-8B56-00AE77130DA6} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1500
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I fibcmqsk
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1880

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/612-24-0x0000000002540000-0x0000000002551000-memory.dmp

    Filesize

    68KB

  • memory/668-14-0x0000000002470000-0x0000000002481000-memory.dmp

    Filesize

    68KB

  • memory/1108-25-0x0000000001E50000-0x0000000001E87000-memory.dmp

    Filesize

    220KB

  • memory/1244-10-0x0000000004CB0000-0x0000000004CB4000-memory.dmp

    Filesize

    16KB

  • memory/1244-5-0x0000000006110000-0x0000000006114000-memory.dmp

    Filesize

    16KB

  • memory/1244-6-0x00000000024F0000-0x00000000024F1000-memory.dmp

    Filesize

    4KB

  • memory/1244-4-0x0000000007110000-0x0000000007114000-memory.dmp

    Filesize

    16KB

  • memory/1804-1-0x000007FEF7FA0000-0x000007FEF821A000-memory.dmp

    Filesize

    2.5MB