Analysis

  • max time kernel
    118s
  • max time network
    25s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20/10/2020, 22:22

General

  • Target

    doc_pack-364033831.xls

  • Size

    62KB

  • MD5

    51574ca3b3cd48ae9e46dc87dc62a246

  • SHA1

    d51d96e82a321358458d052436cecfc2b236f22d

  • SHA256

    dc1e9ab5d55c1489a69db8607f2643eb871d5ea2781f8a9079a88396d0a5a345

  • SHA512

    83986521eeac0085a88570eabf0dffd4c50a850c3633da57b7e3e9394c993861dcc821f28ab9edbefcefad1730ba99b998c6feb103de6c7d2c99b961a4bd91af

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-364033831.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:848
    • 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:1968
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:760
      • C:\Users\Admin\AppData\Roaming\Microsoft\Czsubbeqiiui\ewjendv.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Czsubbeqiiui\ewjendv.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:828
        • C:\Users\Admin\AppData\Roaming\Microsoft\Czsubbeqiiui\ewjendv.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Czsubbeqiiui\ewjendv.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:2000
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:604
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn cfirhynyej /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I cfirhynyej" /SC ONCE /Z /ST 00:25 /ET 00:37
        3⤵
        • Creates scheduled task(s)
        PID:572
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {583138B0-DAC9-454F-B1DF-F8BC78E051FD} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I cfirhynyej
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:752

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/760-12-0x00000000025C0000-0x00000000025D1000-memory.dmp

    Filesize

    68KB

  • memory/828-23-0x0000000000550000-0x0000000000587000-memory.dmp

    Filesize

    220KB

  • memory/848-5-0x0000000006440000-0x0000000006444000-memory.dmp

    Filesize

    16KB

  • memory/848-4-0x0000000004670000-0x0000000004674000-memory.dmp

    Filesize

    16KB

  • memory/848-8-0x0000000005280000-0x0000000005284000-memory.dmp

    Filesize

    16KB

  • memory/1748-1-0x000007FEF6690000-0x000007FEF690A000-memory.dmp

    Filesize

    2.5MB

  • memory/2000-22-0x0000000002490000-0x00000000024A1000-memory.dmp

    Filesize

    68KB