Analysis

  • max time kernel
    132s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    20/10/2020, 22:28

General

  • Target

    doc_pack-449771063.xls

  • Size

    62KB

  • MD5

    fdf406f686b1f3202ceaa119ec2e125d

  • SHA1

    0a35e7475c75066a617bed0d81faf6ac524cb7cf

  • SHA256

    39f039b8cef0c1446038533c14d350b5928b1d2555c1884bf521dc26f7ae664d

  • SHA512

    9d7b30f40f1a1ac25bc36eb305d113f8313015aeda0b6d77a8e13086bd9e5413a500326c283157b7ab468d9a92ac30984003d7f5eebbeaf75e22212bd2d4940b

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-449771063.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1124
    • 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:1040
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1176
      • C:\Users\Admin\AppData\Roaming\Microsoft\Wemdio\tyjsrful.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Wemdio\tyjsrful.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:852
        • C:\Users\Admin\AppData\Roaming\Microsoft\Wemdio\tyjsrful.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Wemdio\tyjsrful.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:916
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn pxigschds /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I pxigschds" /SC ONCE /Z /ST 22:41 /ET 22:53
        3⤵
        • Creates scheduled task(s)
        PID:1180
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {A4A017D9-C842-4798-AB35-04DE72B9BE65} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I pxigschds
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1128

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/816-24-0x00000000024B0000-0x00000000024C1000-memory.dmp

    Filesize

    68KB

  • memory/852-25-0x0000000002440000-0x0000000002477000-memory.dmp

    Filesize

    220KB

  • memory/1124-11-0x0000000004F80000-0x0000000004F84000-memory.dmp

    Filesize

    16KB

  • memory/1124-7-0x0000000002F00000-0x0000000002F01000-memory.dmp

    Filesize

    4KB

  • memory/1124-6-0x00000000061C0000-0x00000000061C4000-memory.dmp

    Filesize

    16KB

  • memory/1124-5-0x00000000071C0000-0x00000000071C4000-memory.dmp

    Filesize

    16KB

  • memory/1176-15-0x0000000002520000-0x0000000002531000-memory.dmp

    Filesize

    68KB

  • memory/1824-2-0x000007FEF7E40000-0x000007FEF80BA000-memory.dmp

    Filesize

    2.5MB