Overview

overview

10

Static

static

SecuriteIn...39.exe

windows7-x64

10

SecuriteIn...39.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-08-2022 05:28

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General

  • Target

    SecuriteInfo.com.W32.AIDetectNet.01.16139.exe

  • Size

    949KB

  • MD5

    769d6a6e9e490d42873ef6deb8a41053

  • SHA1

    85511950356e39426f870e744cfb16dd349ca5cc

  • SHA256

    20d06c9366037f9c7d08d843ddcb74e264accf481dbefd7b1f77669abb4d9be9

  • SHA512

    abbfa855d98651dd6a20ff62fea20aedf41f72c6f97e190d725adf40c49e6dd0a5f023d7b8cb830cfe03dae69502bdc2991e87b57f067be2855848bed3f061b9

  • SSDEEP

    24576:ejZ5S5yNv3b9Z1gZRj8Ky8o6IJuKwl+dpTRkIlRdJ:w5h35EZRj8IuJI4dRRkIlRdJ

Score
10/10
remcosip-remcoscollectionratspywarestealer

Malware Config

Extracted

Family

remcos

Botnet

IP-REMCOS

C2

91.192.100.12:2404

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-JS00ZN

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

    ratremcos
  • NirSoft MailPassView 2 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
    collection
  • 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 3 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.16139.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.16139.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1812
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZlxnnO.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1316
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZlxnnO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA851.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1732
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.16139.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.16139.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1932
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.16139.exe
        C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.16139.exe /stext "C:\Users\Admin\AppData\Local\Temp\drhnetqhzla"
        3⤵
          PID:1000
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.16139.exe
          C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.16139.exe /stext "C:\Users\Admin\AppData\Local\Temp\drhnetqhzla"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1508
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.16139.exe
          C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.16139.exe /stext "C:\Users\Admin\AppData\Local\Temp\ntuxfebbnusmbeb"
          3⤵
          • Accesses Microsoft Outlook accounts
          PID:1680
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.16139.exe
          C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.16139.exe /stext "C:\Users\Admin\AppData\Local\Temp\qoaqgwlcbckzespaws"
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1968

    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

    Credentials in Files

    1
    T1081

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Data from Local System

    1
    T1005

    Email Collection

    1
    T1114

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\drhnetqhzla
      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\tmpA851.tmp
      Filesize

      1KB

      MD5

      df5949fbb196d063cc6ab78c28c670c1

      SHA1

      7b5f5b69f4486a478538a808958f300e3e66a83b

      SHA256

      f9a0adf568504b18773e9fa6ea4c436b206a76a892596a14ca7d3d096e30b18e

      SHA512

      299489593389a2b5a205ff61c35e5418497654f2ff862d0f3c59b04827f57ba8afbccb0671d66ed6f16555159ed6783d15cd67f2c12a715b3b39130cd2a8613d

      Download Submit
    • memory/1316-90-0x000000006E780000-0x000000006ED2B000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/1316-81-0x000000006E780000-0x000000006ED2B000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/1316-59-0x0000000000000000-mapping.dmp
      Download
    • memory/1508-83-0x0000000000476274-mapping.dmp
      Download
    • memory/1508-91-0x0000000000400000-0x0000000000478000-memory.dmp
      Filesize

      480KB

      Download
    • memory/1508-93-0x0000000000400000-0x0000000000478000-memory.dmp
      Filesize

      480KB

      Download
    • memory/1680-92-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

      Download
    • memory/1680-84-0x0000000000455238-mapping.dmp
      Download
    • memory/1680-95-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

      Download
    • memory/1732-60-0x0000000000000000-mapping.dmp
      Download
    • memory/1812-58-0x0000000005B00000-0x0000000005BD6000-memory.dmp
      Filesize

      856KB

      Download
    • memory/1812-63-0x0000000005BD0000-0x0000000005C52000-memory.dmp
      Filesize

      520KB

      Download
    • memory/1812-57-0x0000000000690000-0x000000000069C000-memory.dmp
      Filesize

      48KB

      Download
    • memory/1812-56-0x00000000006E0000-0x00000000006F8000-memory.dmp
      Filesize

      96KB

      Download
    • memory/1812-54-0x00000000012B0000-0x00000000013A4000-memory.dmp
      Filesize

      976KB

      Download
    • memory/1812-55-0x0000000076091000-0x0000000076093000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1932-74-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

      Download
    • memory/1932-69-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

      Download
    • memory/1932-82-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

      Download
    • memory/1932-77-0x00000000004327A4-mapping.dmp
      Download
    • memory/1932-76-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

      Download
    • memory/1932-72-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

      Download
    • memory/1932-96-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

      Download
    • memory/1932-64-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

      Download
    • memory/1932-71-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

      Download
    • memory/1932-70-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

      Download
    • memory/1932-80-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

      Download
    • memory/1932-67-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

      Download
    • memory/1932-65-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

      Download
    • memory/1968-89-0x0000000000400000-0x0000000000424000-memory.dmp
      Filesize

      144KB

      Download
    • memory/1968-86-0x0000000000422206-mapping.dmp
      Download