Overview

overview

7

Static

static

rechnung_n...89.exe

windows7-x64

7

rechnung_n...89.exe

windows10-2004-x64

6

Analysis

  • max time kernel
    40s
  • max time network
    75s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 04:13

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General

  • Target

    rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe

  • Size

    168KB

  • MD5

    03bbe5696e292a27becc2197f1024a16

  • SHA1

    59802f9b918bed69eaf113f1ab24698bd46392d0

  • SHA256

    6452bb100340136bacfe46a6c14d211f409144fe0919768fde8feb52536583a5

  • SHA512

    36b8b3f166e87aa9c34401159dc16d0f757d1750a66bfe580e754677c59666c000a8c92484dec025ab8ec379096e24271435f25fb9e507a36d31bfc70f1bd270

  • SSDEEP

    3072:2dLyZlwEyKcoO29Y5eCPN2bViTphJP12EFs+NLVgu2TVAOWX:oLaw7F3CY5e+CVi/yEXlVh2hk

Score
6/10
persistence

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2408
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2732
      • C:\Users\Admin\AppData\Local\Temp\rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
        "C:\Users\Admin\AppData\Local\Temp\rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4572
        • C:\Users\Admin\AppData\Local\Temp\rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
          C:\Users\Admin\AppData\Local\Temp\rechnung_november_2014_0003900028_2014_11_0029302375471_03_444_0039938289.exe
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4520
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\MS3414~1.BAT"
            4⤵
              PID:4340

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Privilege Escalation

      Defense Evasion

      Modify Registry

      1
      T1112

      Credential Access

      Discovery

      Lateral Movement

      Collection

      Exfiltration

      Command and Control

      Impact

      Replay Monitor

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      Downloads

      • memory/2732-139-0x00007FFF0B3F0000-0x00007FFF0B400000-memory.dmp
        Filesize

        64KB

        Download
      • memory/4340-137-0x0000000000000000-mapping.dmp
        Download
      • memory/4520-132-0x0000000000000000-mapping.dmp
        Download
      • memory/4520-133-0x0000000000400000-0x0000000000412000-memory.dmp
        Filesize

        72KB

        Download
      • memory/4520-136-0x0000000000400000-0x0000000000412000-memory.dmp
        Filesize

        72KB

        Download
      • memory/4520-138-0x0000000000400000-0x0000000000412000-memory.dmp
        Filesize

        72KB

        Download
      • memory/4572-135-0x0000000000BB0000-0x0000000000BB4000-memory.dmp
        Filesize

        16KB

        Download