Analysis

  • max time kernel
    112s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    20/10/2020, 22:25

General

  • Target

    doc_pack-354296473.xls

  • Size

    62KB

  • MD5

    8c36cc8cf27dee6ea63385fb548ff700

  • SHA1

    0bffcb1f5715af2295994afc0ce719bc9a5622b6

  • SHA256

    ac48821ef871297003b40856e530e47f6d4f5935aed8dde6a6736850a98f9d49

  • SHA512

    105d63359179ca3a6d88c33a7acb2f931d890eb179fa1de26cc9d10aa587e60e6a6a08cea03037c44b4a4def5403e7ca8c1078b364f27f93780488e30585dc31

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-354296473.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1436
    • 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:2004
      • C:\COsuv\Wegerb\szvMhegn.exe
        C:\COsuv\Wegerb\szvMhegn.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1052
      • C:\Users\Admin\AppData\Roaming\Microsoft\Piwmzx\puqtew.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Piwmzx\puqtew.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:292
        • C:\Users\Admin\AppData\Roaming\Microsoft\Piwmzx\puqtew.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Piwmzx\puqtew.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1064
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1080
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn xjcfztpk /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I xjcfztpk" /SC ONCE /Z /ST 00:31 /ET 00:43
        3⤵
        • Creates scheduled task(s)
        PID:856
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {5C89B302-F627-41D0-A7AD-705AA78E3962} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1480
    • C:\COsuv\Wegerb\szvMhegn.exe
      C:\COsuv\Wegerb\szvMhegn.exe /I xjcfztpk
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:892

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/292-23-0x0000000001E50000-0x0000000001E87000-memory.dmp

    Filesize

    220KB

  • memory/1052-13-0x00000000025B0000-0x00000000025C1000-memory.dmp

    Filesize

    68KB

  • memory/1064-22-0x00000000024D0000-0x00000000024E1000-memory.dmp

    Filesize

    68KB

  • memory/1436-9-0x0000000004CF0000-0x0000000004CF4000-memory.dmp

    Filesize

    16KB

  • memory/1436-6-0x0000000005FC0000-0x0000000005FC4000-memory.dmp

    Filesize

    16KB

  • memory/1436-5-0x0000000006FC0000-0x0000000006FC4000-memory.dmp

    Filesize

    16KB

  • memory/1856-2-0x000007FEF8540000-0x000007FEF87BA000-memory.dmp

    Filesize

    2.5MB