Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19/10/2020, 22:58

General

  • Target

    document-1189519453.xls

  • Size

    426KB

  • MD5

    d10781a37f68dd4ffaf2eda3a8ae2bce

  • SHA1

    aaf84c3f5e9a819d2b7ce1f6cdbc1cdeea51d91f

  • SHA256

    de1802c0e657f46e039a931459f2d0741baf222b6019ae9e1ece06039cbd94ba

  • SHA512

    78be368aed0f27f3a9838b5923f2e524221873d6b812622664070e3ebd5875612ddedb7941877c0f55731c453520ece4aeaa1da64a4da532a152e671fba6bc66

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 7 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\document-1189519453.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1164
    • C:\WErtu\Reterd\szvmhegu.exe
      "C:\WErtu\Reterd\szvmhegu.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1064
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:584
      • C:\Users\Admin\AppData\Roaming\Microsoft\Ymsutihqlaf\aoguouu.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Ymsutihqlaf\aoguouu.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:636
        • C:\Users\Admin\AppData\Roaming\Microsoft\Ymsutihqlaf\aoguouu.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Ymsutihqlaf\aoguouu.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1304
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:924
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn otjpfzqpiu /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I otjpfzqpiu" /SC ONCE /Z /ST 22:58 /ET 23:10
        3⤵
        • Creates scheduled task(s)
        PID:892
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {B4A50C35-9621-4A2B-B0CD-C28DF1AA0769} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1140
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I otjpfzqpiu
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1052

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/584-15-0x0000000002590000-0x00000000025A1000-memory.dmp

          Filesize

          68KB

        • memory/636-25-0x00000000003C0000-0x00000000003F7000-memory.dmp

          Filesize

          220KB

        • memory/1164-7-0x0000000002F00000-0x0000000002F01000-memory.dmp

          Filesize

          4KB

        • memory/1164-6-0x0000000005F70000-0x0000000005F74000-memory.dmp

          Filesize

          16KB

        • memory/1164-5-0x0000000006F70000-0x0000000006F74000-memory.dmp

          Filesize

          16KB

        • memory/1164-11-0x0000000004D80000-0x0000000004D84000-memory.dmp

          Filesize

          16KB

        • memory/1304-24-0x0000000002470000-0x0000000002481000-memory.dmp

          Filesize

          68KB

        • memory/1720-2-0x000007FEF4EC0000-0x000007FEF513A000-memory.dmp

          Filesize

          2.5MB