Analysis

  • max time kernel
    118s
  • max time network
    36s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20/10/2020, 23:12

General

  • Target

    doc_pack-634091669.xls

  • Size

    62KB

  • MD5

    33e0e64a17b40cc92e858969f37224ff

  • SHA1

    a6386327b2b126c7544c70fee94e0472b2436ac2

  • SHA256

    c7e08970683b4af4928e990fe8d4680da7967019b6ee402ea4bdb3f53c0431a6

  • SHA512

    0f99d74412c5ae932ccd0d8dcd528dc7fe160c912dbec436a85ed50ea72cc2b268e614ab59487e8c3780cd43aacf53e0db94172c5319693de75bbcbcbe89f808

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-634091669.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1288
    • 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:1876
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1952
      • C:\Users\Admin\AppData\Roaming\Microsoft\Nqhvzqky\qbwov.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Nqhvzqky\qbwov.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1068
        • C:\Users\Admin\AppData\Roaming\Microsoft\Nqhvzqky\qbwov.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Nqhvzqky\qbwov.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:816
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:920
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn zlmcvmmr /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I zlmcvmmr" /SC ONCE /Z /ST 01:24 /ET 01:36
        3⤵
        • Creates scheduled task(s)
        PID:532
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {869B0370-7EB8-4F45-A0C4-1BFF5D2F20D1} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1548
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I zlmcvmmr
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2040

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/816-22-0x00000000024B0000-0x00000000024C1000-memory.dmp

    Filesize

    68KB

  • memory/1068-23-0x0000000001DB0000-0x0000000001DE7000-memory.dmp

    Filesize

    220KB

  • memory/1288-9-0x0000000004F10000-0x0000000004F14000-memory.dmp

    Filesize

    16KB

  • memory/1288-6-0x0000000006110000-0x0000000006114000-memory.dmp

    Filesize

    16KB

  • memory/1288-5-0x0000000007110000-0x0000000007114000-memory.dmp

    Filesize

    16KB

  • memory/1636-2-0x000007FEF6510000-0x000007FEF678A000-memory.dmp

    Filesize

    2.5MB

  • memory/1952-13-0x0000000002520000-0x0000000002531000-memory.dmp

    Filesize

    68KB