Analysis

  • max time kernel
    97s
  • max time network
    73s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 23:12

General

  • Target

    doc_pack-601237926.xls

  • Size

    62KB

  • MD5

    3c7f9e6c9e4f039357d6705ec9f40d4d

  • SHA1

    5db2b93aca5baf7e5097dff81929bfb102bff02b

  • SHA256

    56f33ce8f99097917d1407d2b90db3819bc6e2c79a7bea21790f76298571e0a6

  • SHA512

    a0506932b0f6f491feb0fe96157226a827351ee36e52053730fdc6e066d06d12772f83399a1218ed34b0b8105858df66feeacb18c3d3fb9fa453c60da7932687

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-601237926.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1080
    • 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:1960
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1992
      • C:\Users\Admin\AppData\Roaming\Microsoft\Zmkao\yzzbax.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Zmkao\yzzbax.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1328
        • C:\Users\Admin\AppData\Roaming\Microsoft\Zmkao\yzzbax.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Zmkao\yzzbax.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:980
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:304
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn hmjxjhugcs /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I hmjxjhugcs" /SC ONCE /Z /ST 23:19 /ET 23:31
        3⤵
        • Creates scheduled task(s)
        PID:1840
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {20D963BB-C7B3-4F1F-8753-C04B6D51377F} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1144
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I hmjxjhugcs
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1492

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/980-24-0x00000000024D0000-0x00000000024E1000-memory.dmp

    Filesize

    68KB

  • memory/1080-11-0x0000000004F90000-0x0000000004F94000-memory.dmp

    Filesize

    16KB

  • memory/1080-7-0x0000000002F10000-0x0000000002F11000-memory.dmp

    Filesize

    4KB

  • memory/1080-6-0x0000000006140000-0x0000000006144000-memory.dmp

    Filesize

    16KB

  • memory/1080-5-0x0000000007140000-0x0000000007144000-memory.dmp

    Filesize

    16KB

  • memory/1328-25-0x0000000000450000-0x0000000000487000-memory.dmp

    Filesize

    220KB

  • memory/1520-2-0x000007FEF7920000-0x000007FEF7B9A000-memory.dmp

    Filesize

    2.5MB

  • memory/1992-15-0x0000000002520000-0x0000000002531000-memory.dmp

    Filesize

    68KB