Analysis

  • max time kernel
    153s
  • max time network
    23s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    19/10/2020, 22:57

General

  • Target

    document-1213073129.xls

  • Size

    426KB

  • MD5

    3030c1c0d2a3efa4337cc4424d0f4280

  • SHA1

    68d168123d040c275cc1e175c8712e76af20b3c1

  • SHA256

    14476501bbdca525a66facdebfe015d202c8cff21257731b0b20a0ef986deb65

  • SHA512

    8f3cd8ea45e439a432c826f0115c3831675f73ae7438bf4cafbef1edd3a24b64687f52b2ad2f556b19dfc024393760d926421d5f71f1f56b86ee3692f57c98b7

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 4 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 8 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 25 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-1213073129.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1332
    • 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:1880
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1184
      • C:\Users\Admin\AppData\Roaming\Microsoft\Smvxugvzru\ymcririr.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Smvxugvzru\ymcririr.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:644
        • C:\Users\Admin\AppData\Roaming\Microsoft\Smvxugvzru\ymcririr.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Smvxugvzru\ymcririr.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1168
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2016
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn gwwstfqifu /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I gwwstfqifu" /SC ONCE /Z /ST 01:06 /ET 01:18
        3⤵
        • Creates scheduled task(s)
        PID:980
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {5975DC50-6DEE-47E0-A073-D9004FA800E7} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
      PID:1456
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /I gwwstfqifu
        2⤵
          PID:1856

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/644-23-0x0000000000440000-0x0000000000477000-memory.dmp

              Filesize

              220KB

            • memory/1168-22-0x0000000002550000-0x0000000002561000-memory.dmp

              Filesize

              68KB

            • memory/1184-13-0x0000000002530000-0x0000000002541000-memory.dmp

              Filesize

              68KB

            • memory/1332-9-0x0000000004D70000-0x0000000004D74000-memory.dmp

              Filesize

              16KB

            • memory/1332-6-0x0000000005F70000-0x0000000005F74000-memory.dmp

              Filesize

              16KB

            • memory/1332-5-0x0000000006F70000-0x0000000006F74000-memory.dmp

              Filesize

              16KB

            • memory/1840-2-0x000007FEF70C0000-0x000007FEF733A000-memory.dmp

              Filesize

              2.5MB