Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    25-09-2024 02:14

General

  • Target

    9c1dd67562324157ceab4d8e050c84150afc6ddff6aec72206ab437c31aac7bb.exe

  • Size

    911KB

  • MD5

    b5d9738bbe1f9563cdc8808c96135415

  • SHA1

    d29d5768719a3bf4381293775af31d5bcdf11ca3

  • SHA256

    9c1dd67562324157ceab4d8e050c84150afc6ddff6aec72206ab437c31aac7bb

  • SHA512

    fac077ca47baa5250a3092e50568e14447e7ac00b4cadb766736c5bacd38b86ae4679c1d63508b9b0ceab808d2ce5df4384d88cf9e6fe31d65f165e13c60d1ee

  • SSDEEP

    24576:q2IgEfML+PtaSdOHOvY8r4A7L1r/6A4hhqIU1Xw0A6oC:q2skSoOQS4A7L1ri6r1XpBT

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

104.250.180.178:7902

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Adobe.exe

  • copy_folder

    Adobe

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Adobe-OTOIRK

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Detected Nirsoft tools 3 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • Executes dropped EXE 11 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c1dd67562324157ceab4d8e050c84150afc6ddff6aec72206ab437c31aac7bb.exe
    "C:\Users\Admin\AppData\Local\Temp\9c1dd67562324157ceab4d8e050c84150afc6ddff6aec72206ab437c31aac7bb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1604
    • C:\Users\Admin\AppData\Local\Temp\9c1dd67562324157ceab4d8e050c84150afc6ddff6aec72206ab437c31aac7bb.exe
      "C:\Users\Admin\AppData\Local\Temp\9c1dd67562324157ceab4d8e050c84150afc6ddff6aec72206ab437c31aac7bb.exe"
      2⤵
        PID:2172
      • C:\Users\Admin\AppData\Local\Temp\9c1dd67562324157ceab4d8e050c84150afc6ddff6aec72206ab437c31aac7bb.exe
        "C:\Users\Admin\AppData\Local\Temp\9c1dd67562324157ceab4d8e050c84150afc6ddff6aec72206ab437c31aac7bb.exe"
        2⤵
          PID:2400
        • C:\Users\Admin\AppData\Local\Temp\9c1dd67562324157ceab4d8e050c84150afc6ddff6aec72206ab437c31aac7bb.exe
          "C:\Users\Admin\AppData\Local\Temp\9c1dd67562324157ceab4d8e050c84150afc6ddff6aec72206ab437c31aac7bb.exe"
          2⤵
          • Loads dropped DLL
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2168
          • C:\ProgramData\Adobe\Adobe.exe
            "C:\ProgramData\Adobe\Adobe.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2960
            • C:\ProgramData\Adobe\Adobe.exe
              "C:\ProgramData\Adobe\Adobe.exe"
              4⤵
              • Executes dropped EXE
              PID:2604
            • C:\ProgramData\Adobe\Adobe.exe
              "C:\ProgramData\Adobe\Adobe.exe"
              4⤵
              • Executes dropped EXE
              • Adds Run key to start application
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of WriteProcessMemory
              PID:760
              • C:\ProgramData\Adobe\Adobe.exe
                C:\ProgramData\Adobe\Adobe.exe /stext "C:\Users\Admin\AppData\Local\Temp\xozrxhuetbjyvtnznadeiydhxvmyfnk"
                5⤵
                • Executes dropped EXE
                PID:1656
              • C:\ProgramData\Adobe\Adobe.exe
                C:\ProgramData\Adobe\Adobe.exe /stext "C:\Users\Admin\AppData\Local\Temp\xozrxhuetbjyvtnznadeiydhxvmyfnk"
                5⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                PID:2248
              • C:\ProgramData\Adobe\Adobe.exe
                C:\ProgramData\Adobe\Adobe.exe /stext "C:\Users\Admin\AppData\Local\Temp\zjmkxafghjbdxzbdekpyllqqgbwhyybngw"
                5⤵
                • Executes dropped EXE
                PID:1916
              • C:\ProgramData\Adobe\Adobe.exe
                C:\ProgramData\Adobe\Adobe.exe /stext "C:\Users\Admin\AppData\Local\Temp\zjmkxafghjbdxzbdekpyllqqgbwhyybngw"
                5⤵
                • Executes dropped EXE
                PID:1776
              • C:\ProgramData\Adobe\Adobe.exe
                C:\ProgramData\Adobe\Adobe.exe /stext "C:\Users\Admin\AppData\Local\Temp\zjmkxafghjbdxzbdekpyllqqgbwhyybngw"
                5⤵
                • Executes dropped EXE
                • Accesses Microsoft Outlook accounts
                • System Location Discovery: System Language Discovery
                PID:2000
              • C:\ProgramData\Adobe\Adobe.exe
                C:\ProgramData\Adobe\Adobe.exe /stext "C:\Users\Admin\AppData\Local\Temp\klsuqs"
                5⤵
                • Executes dropped EXE
                PID:1960
              • C:\ProgramData\Adobe\Adobe.exe
                C:\ProgramData\Adobe\Adobe.exe /stext "C:\Users\Admin\AppData\Local\Temp\klsuqs"
                5⤵
                • Executes dropped EXE
                PID:1844
              • C:\ProgramData\Adobe\Adobe.exe
                C:\ProgramData\Adobe\Adobe.exe /stext "C:\Users\Admin\AppData\Local\Temp\klsuqs"
                5⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                PID:2304

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\xozrxhuetbjyvtnznadeiydhxvmyfnk

        Filesize

        2B

        MD5

        f3b25701fe362ec84616a93a45ce9998

        SHA1

        d62636d8caec13f04e28442a0a6fa1afeb024bbb

        SHA256

        b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

        SHA512

        98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

      • \ProgramData\Adobe\Adobe.exe

        Filesize

        911KB

        MD5

        b5d9738bbe1f9563cdc8808c96135415

        SHA1

        d29d5768719a3bf4381293775af31d5bcdf11ca3

        SHA256

        9c1dd67562324157ceab4d8e050c84150afc6ddff6aec72206ab437c31aac7bb

        SHA512

        fac077ca47baa5250a3092e50568e14447e7ac00b4cadb766736c5bacd38b86ae4679c1d63508b9b0ceab808d2ce5df4384d88cf9e6fe31d65f165e13c60d1ee

      • memory/760-67-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/760-58-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/760-57-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/760-59-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/760-54-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/760-63-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/760-100-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/760-99-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/760-98-0x0000000010000000-0x0000000010019000-memory.dmp

        Filesize

        100KB

      • memory/760-97-0x0000000010000000-0x0000000010019000-memory.dmp

        Filesize

        100KB

      • memory/760-94-0x0000000010000000-0x0000000010019000-memory.dmp

        Filesize

        100KB

      • memory/760-64-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/760-62-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/760-66-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/760-68-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/760-61-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1604-1-0x0000000000230000-0x000000000031A000-memory.dmp

        Filesize

        936KB

      • memory/1604-26-0x0000000074790000-0x0000000074E7E000-memory.dmp

        Filesize

        6.9MB

      • memory/1604-3-0x0000000000880000-0x0000000000892000-memory.dmp

        Filesize

        72KB

      • memory/1604-0-0x000000007479E000-0x000000007479F000-memory.dmp

        Filesize

        4KB

      • memory/1604-7-0x0000000005760000-0x0000000005820000-memory.dmp

        Filesize

        768KB

      • memory/1604-6-0x0000000074790000-0x0000000074E7E000-memory.dmp

        Filesize

        6.9MB

      • memory/1604-5-0x000000007479E000-0x000000007479F000-memory.dmp

        Filesize

        4KB

      • memory/1604-4-0x0000000074790000-0x0000000074E7E000-memory.dmp

        Filesize

        6.9MB

      • memory/1604-2-0x0000000074790000-0x0000000074E7E000-memory.dmp

        Filesize

        6.9MB

      • memory/2000-85-0x0000000000400000-0x0000000000462000-memory.dmp

        Filesize

        392KB

      • memory/2000-78-0x0000000000400000-0x0000000000462000-memory.dmp

        Filesize

        392KB

      • memory/2000-88-0x0000000000400000-0x0000000000462000-memory.dmp

        Filesize

        392KB

      • memory/2168-14-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2168-11-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2168-16-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2168-22-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2168-8-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2168-24-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2168-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2168-18-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2168-12-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2168-10-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2168-9-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2248-70-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2248-73-0x0000000000400000-0x0000000000478000-memory.dmp

        Filesize

        480KB

      • memory/2248-74-0x0000000000400000-0x0000000000478000-memory.dmp

        Filesize

        480KB

      • memory/2248-71-0x0000000000400000-0x0000000000478000-memory.dmp

        Filesize

        480KB

      • memory/2304-86-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/2304-83-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/2304-87-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/2960-60-0x0000000074790000-0x0000000074E7E000-memory.dmp

        Filesize

        6.9MB

      • memory/2960-34-0x0000000000010000-0x00000000000FA000-memory.dmp

        Filesize

        936KB

      • memory/2960-33-0x0000000074790000-0x0000000074E7E000-memory.dmp

        Filesize

        6.9MB

      • memory/2960-35-0x0000000000600000-0x0000000000612000-memory.dmp

        Filesize

        72KB

      • memory/2960-36-0x0000000074790000-0x0000000074E7E000-memory.dmp

        Filesize

        6.9MB