Analysis

  • max time kernel
    148s
  • max time network
    28s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    19/10/2020, 22:57

General

  • Target

    document-1062759035.xls

  • Size

    426KB

  • MD5

    83bbeed5e6676bdd8a504515efcd526a

  • SHA1

    16e7977907a099fa2c83702ce1c83c0636f3d707

  • SHA256

    d9b5e7443c3d48d18c5da2ce0dbd958cdc6eac082bede6ba35a8531a5a39470e

  • SHA512

    40eabdf9e41d6c64b3bbc88cc84aa5f660159a539defca26635edf8ff0c3fa87055c3da2d05bdfd8d3febd957aa98c4bae43debbf3b411972c1ac5babb4c3076

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\document-1062759035.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1516
    • 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:1356
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1064
      • C:\Users\Admin\AppData\Roaming\Microsoft\Digtaqs\irxwa.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Digtaqs\irxwa.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:428
        • C:\Users\Admin\AppData\Roaming\Microsoft\Digtaqs\irxwa.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Digtaqs\irxwa.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:112
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:296
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn dkvsfiu /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I dkvsfiu" /SC ONCE /Z /ST 00:56 /ET 01:08
        3⤵
        • Creates scheduled task(s)
        PID:544
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {E89F5B88-B814-41AB-B8E4-C69FBFDCEB13} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:948
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I dkvsfiu
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1856

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/112-22-0x0000000002530000-0x0000000002541000-memory.dmp

          Filesize

          68KB

        • memory/428-23-0x0000000000440000-0x0000000000477000-memory.dmp

          Filesize

          220KB

        • memory/1064-13-0x0000000002570000-0x0000000002581000-memory.dmp

          Filesize

          68KB

        • memory/1516-9-0x0000000004F10000-0x0000000004F14000-memory.dmp

          Filesize

          16KB

        • memory/1516-6-0x0000000006150000-0x0000000006154000-memory.dmp

          Filesize

          16KB

        • memory/1516-5-0x0000000007150000-0x0000000007154000-memory.dmp

          Filesize

          16KB

        • memory/1972-2-0x000007FEF8560000-0x000007FEF87DA000-memory.dmp

          Filesize

          2.5MB