Overview

overview

10

Static

static

Invoice pdf.exe

windows7_x64

10

Invoice pdf.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    20-04-2021 14:09

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General

  • Target

    Invoice pdf.exe

  • Size

    661KB

  • MD5

    95ad0de0d121d51993dc0e546f82772c

  • SHA1

    e2830744f6497321e7b4c2a49d8270ea91b923c8

  • SHA256

    494b892495fb6f002fd36477446bfc59f686fe73710d55dc782de8512452e535

  • SHA512

    07b83558bd2269cdafd56ca91ddbe396b1d76cc5466fe13f2fff102ce49afedcb446b734922cd4dd6f8f9d2ac80bdcd8f9287ac11415c3c1d3f6dceaef8fe5ae

Score
10/10
formbookratspywarestealertrojan

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://w����5 �@q[*��S=���m

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

    trojanspywarestealerformbook
  • Formbook Payload 3 IoCs
    rat
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1392
      • C:\Users\Admin\AppData\Local\Temp\Invoice pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\Invoice pdf.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1824
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gXUZJVkFviCTU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9E92.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:3236
        • C:\Users\Admin\AppData\Local\Temp\Invoice pdf.exe
          "C:\Users\Admin\AppData\Local\Temp\Invoice pdf.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3708
          • C:\Windows\SysWOW64\systray.exe
            "C:\Windows\SysWOW64\systray.exe"
            4⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:3500
            • C:\Windows\SysWOW64\cmd.exe
              /c del "C:\Users\Admin\AppData\Local\Temp\Invoice pdf.exe"
              5⤵
                PID:2384

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Scheduled Task

      1
      T1053

      Persistence

      Scheduled Task

      1
      T1053

      Privilege Escalation

      Scheduled Task

      1
      T1053

      Defense Evasion

      Credential Access

      Discovery

      System Information Discovery

      1
      T1082

      Lateral Movement

      Collection

      Exfiltration

      Command and Control

      Impact

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp9E92.tmp
        MD5

        866d9e36ff8786b19bd8b20acb3d5774

        SHA1

        54f6abc84743f6c19f54fc9b6a30b00e7cad1fa2

        SHA256

        010a1ac25c5f3ba8bfc0d69a5c63678c88a287e9ba55f24a608bd7594b667820

        SHA512

        32f1471ad44daea73444ebf3a220afde33ea11d44866cc28ed564496ec140204b71e2ab554d6f8727152e8dc97336d35a352c3a129552f5615ebfa98263d2382

        Download Submit
      • memory/1392-123-0x0000000002B40000-0x0000000002C13000-memory.dmp
        Filesize

        844KB

        Download
      • memory/1392-132-0x0000000006820000-0x0000000006979000-memory.dmp
        Filesize

        1.3MB

        Download
      • memory/1392-125-0x0000000000B20000-0x0000000000BE9000-memory.dmp
        Filesize

        804KB

        Download
      • memory/1824-115-0x000000007DF80000-0x000000007DF81000-memory.dmp
        Filesize

        4KB

        Download
      • memory/1824-114-0x0000000003040000-0x0000000003041000-memory.dmp
        Filesize

        4KB

        Download
      • memory/2384-129-0x0000000000000000-mapping.dmp
        Download
      • memory/3236-116-0x0000000000000000-mapping.dmp
        Download
      • memory/3500-127-0x0000000000370000-0x0000000000376000-memory.dmp
        Filesize

        24KB

        Download
      • memory/3500-126-0x0000000000000000-mapping.dmp
        Download
      • memory/3500-128-0x0000000002CA0000-0x0000000002CCE000-memory.dmp
        Filesize

        184KB

        Download
      • memory/3500-130-0x00000000046A0000-0x00000000049C0000-memory.dmp
        Filesize

        3.1MB

        Download
      • memory/3500-131-0x00000000045C0000-0x0000000004653000-memory.dmp
        Filesize

        588KB

        Download
      • memory/3708-124-0x0000000001480000-0x0000000001494000-memory.dmp
        Filesize

        80KB

        Download
      • memory/3708-122-0x0000000001440000-0x0000000001454000-memory.dmp
        Filesize

        80KB

        Download
      • memory/3708-121-0x0000000001770000-0x0000000001A90000-memory.dmp
        Filesize

        3.1MB

        Download
      • memory/3708-119-0x000000000041EAC0-mapping.dmp
        Download
      • memory/3708-118-0x0000000000400000-0x000000000042E000-memory.dmp
        Filesize

        184KB

        Download