Overview

overview

10

Static

static

FRT-2022-D...1).exe

windows7-x64

10

FRT-2022-D...1).exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2022 08:01

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General

  • Target

    FRT-2022-DDSP00001-B(01).exe

  • Size

    1023KB

  • MD5

    57f76540f090fe4e9e5141317a8136e1

  • SHA1

    cc8c7a739fb0a26e6d0e55f5107fc76ea3345a10

  • SHA256

    383f6ffeb727943af4e96cc93ab2615b14fd8b09c7e376aebc455ef82913f07f

  • SHA512

    5a07fe45b8c58aa3148d4e0559992f596fa24d95b53fc2a9bc56130231b9c1af18cefb67181ce6f93281fdc87fe974110a3204ea7b030866c63f5436b90fc78b

  • SSDEEP

    12288:x/yEifpu0utgokp/WWd/HRmwQkuL5v6YNHC/AAyRp3LBBTgqKmdUsF:ByEihvuFBWhswnuLXM/AAUpsq4sF

Score
10/10
remcosnew rem stubcollectionratspywarestealer

Malware Config

Extracted

Family

remcos

Botnet

NEW REM STUB

C2

valvesco.duckdns.org:5050

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-48V73L

  • 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 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 3 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FRT-2022-DDSP00001-B(01).exe
    "C:\Users\Admin\AppData\Local\Temp\FRT-2022-DDSP00001-B(01).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3364
    • C:\Users\Admin\AppData\Local\Temp\FRT-2022-DDSP00001-B(01).exe
      "C:\Users\Admin\AppData\Local\Temp\FRT-2022-DDSP00001-B(01).exe"
      2⤵
        PID:4996
      • C:\Users\Admin\AppData\Local\Temp\FRT-2022-DDSP00001-B(01).exe
        "C:\Users\Admin\AppData\Local\Temp\FRT-2022-DDSP00001-B(01).exe"
        2⤵
          PID:332
        • C:\Users\Admin\AppData\Local\Temp\FRT-2022-DDSP00001-B(01).exe
          "C:\Users\Admin\AppData\Local\Temp\FRT-2022-DDSP00001-B(01).exe"
          2⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4824
          • C:\Users\Admin\AppData\Local\Temp\FRT-2022-DDSP00001-B(01).exe
            C:\Users\Admin\AppData\Local\Temp\FRT-2022-DDSP00001-B(01).exe /stext "C:\Users\Admin\AppData\Local\Temp\djhuxkwzbhmryksugylegiwyihbu"
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4508
          • C:\Users\Admin\AppData\Local\Temp\FRT-2022-DDSP00001-B(01).exe
            C:\Users\Admin\AppData\Local\Temp\FRT-2022-DDSP00001-B(01).exe /stext "C:\Users\Admin\AppData\Local\Temp\glmfqcgbxpewaqoyxjyfrmrpjosvxzkj"
            3⤵
            • Accesses Microsoft Outlook accounts
            PID:2180
          • C:\Users\Admin\AppData\Local\Temp\FRT-2022-DDSP00001-B(01).exe
            C:\Users\Admin\AppData\Local\Temp\FRT-2022-DDSP00001-B(01).exe /stext "C:\Users\Admin\AppData\Local\Temp\qfry"
            3⤵
            • Suspicious use of UnmapMainImage
            PID:2556
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2556 -s 12
              4⤵
              • Program crash
              PID:4876
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2556 -ip 2556
        1⤵
          PID:3980

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Initial Access

        Execution

        Persistence

        Privilege Escalation

        Defense Evasion

        Credential Access

        Credentials in Files

        1
        T1081

        Discovery

        Lateral Movement

        Collection

        Data from Local System

        1
        T1005

        Email Collection

        1
        T1114

        Exfiltration

        Command and Control

        Impact

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          4KB

          MD5

          30177e1276595fd69ea96b692f49d776

          SHA1

          75769c29031ca1ad8e175dd700c74b5e35c5b0c7

          SHA256

          76d4066990e2ee2776f733a25ce23e9af545fd6f1a3b5760d603bdc05d9402d5

          SHA512

          ccdf20174d299de8ec21445faaf4ebe95c04bd7634c9fe138ba54262b754620c2dfd53a5c94b7d53518181d2eab7b5c97d7933d3a66d05220b06aee120893d4b

          Download Submit
        • memory/332-139-0x0000000000000000-mapping.dmp
          Download
        • memory/2180-148-0x0000000000400000-0x0000000000457000-memory.dmp
          Filesize

          348KB

          Download
        • memory/2180-146-0x0000000000000000-mapping.dmp
          Download
        • memory/2556-147-0x0000000000000000-mapping.dmp
          Download
        • memory/3364-137-0x0000000008C50000-0x0000000008CB6000-memory.dmp
          Filesize

          408KB

          Download
        • memory/3364-136-0x0000000008A20000-0x0000000008ABC000-memory.dmp
          Filesize

          624KB

          Download
        • memory/3364-132-0x0000000000050000-0x0000000000156000-memory.dmp
          Filesize

          1.0MB

          Download
        • memory/3364-133-0x00000000051F0000-0x0000000005794000-memory.dmp
          Filesize

          5.6MB

          Download
        • memory/3364-134-0x0000000004AE0000-0x0000000004B72000-memory.dmp
          Filesize

          584KB

          Download
        • memory/3364-135-0x0000000004BA0000-0x0000000004BAA000-memory.dmp
          Filesize

          40KB

          Download
        • memory/4508-150-0x0000000000400000-0x0000000000478000-memory.dmp
          Filesize

          480KB

          Download
        • memory/4508-149-0x0000000000400000-0x0000000000478000-memory.dmp
          Filesize

          480KB

          Download
        • memory/4508-145-0x0000000000000000-mapping.dmp
          Download
        • memory/4824-141-0x0000000000400000-0x000000000047F000-memory.dmp
          Filesize

          508KB

          Download
        • memory/4824-144-0x0000000000400000-0x000000000047F000-memory.dmp
          Filesize

          508KB

          Download
        • memory/4824-143-0x0000000000400000-0x000000000047F000-memory.dmp
          Filesize

          508KB

          Download
        • memory/4824-142-0x0000000000400000-0x000000000047F000-memory.dmp
          Filesize

          508KB

          Download
        • memory/4824-140-0x0000000000000000-mapping.dmp
          Download
        • memory/4824-152-0x0000000000400000-0x000000000047F000-memory.dmp
          Filesize

          508KB

          Download
        • memory/4996-138-0x0000000000000000-mapping.dmp
          Download