Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/08/2026, 07:50

General

  • Target
    2026-08-04_30b5c9210c6544fd84dde98f86031980_akira_cobalt-strike_glassworm_icedid_megazord_rusty-stealer_satacom_vidar.exe
  • Size 6.4MB
  • Sample260804-jpl23afe94
  • SHA256 19da4f373ef4d4f6b2deb1f033294e7a27ca4059b5cda1eb6206489e99853be4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 11 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 11 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Kills process with taskkill 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-04_30b5c9210c6544fd84dde98f86031980_akira_cobalt-strike_glassworm_icedid_megazord_rusty-stealer_satacom_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-04_30b5c9210c6544fd84dde98f86031980_akira_cobalt-strike_glassworm_icedid_megazord_rusty-stealer_satacom_vidar.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1520
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -NoProfile -Command "Get-DnsClientNrptRule | Select-Object Namespace"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1176
    • C:\Windows\system32\taskkill.exe
      "taskkill" /F /T /IM sep_ephemeral_proxy.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1536
    • C:\Users\Admin\AppData\Local\Temp\sep_ephemeral_proxy.exe
      ".\sep_ephemeral_proxy.exe" -socks-mode -bind-address 127.0.0.1:49900 -country AM
      2⤵
      • Executes dropped EXE
      PID:2244
    • C:\Users\Admin\AppData\Local\Temp\20260803-001-SONAR_IU_SEP_14_3_RU10_x64.exe
      ".\20260803-001-SONAR_IU_SEP_14_3_RU10_x64.exe" /q
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4156
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\intiupdater.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\intiupdater.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies system certificate store
        PID:1840
    • C:\Windows\system32\taskkill.exe
      "taskkill" /F /T /IM sep_ephemeral_proxy.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:5100

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        20260803-001-SONAR_IU_SEP_14_3_RU10_x64.exe

        • Path C:\Users\Admin\AppData\Local\Temp\20260803-001-SONAR_IU_SEP_14_3_RU10_x64.exe
        • Size 6.2MB
        • SHA256 c4e2c9596b51715be6c98e8b5f6d3f3fd31c42aa56ff49838bf31a536391056a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Log.IntelligentUpdater.txt

        • Path C:\Users\Admin\AppData\Local\Temp\Log.IntelligentUpdater.txt
        • Size 6KB
        • SHA256 f3759fd78af83a8ed313f3ff20e4b15a046b7362f51d0930c2072691cbd54381
        • MD5 SHA1 SHA512 SSDEEP TLSH

        intiupdater.exe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\intiupdater.exe
        • Size 394KB
        • SHA256 a90014c2762f6da264a9157846026c2d8b6a3c1e7a0d1c2b2043b8231bc6c7c3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        iuConfig.xml

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\iuConfig.xml
        • Size 1KB
        • SHA256 f0e871bd50e3aea4edbbb2a7c0c154d21751373bd113b6136fdf5152bab52fd1
        • MD5 SHA1 SHA512 TLSH

        iuResource.dll

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\iuResource.dll
        • Size 70KB
        • SHA256 8fee231a66644a71c9fdfcb90c6da11cf14edb68765e959de9cf60b1f1a9e010
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_wqdg0fny.wqi.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wqdg0fny.wqi.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        sep_ephemeral_proxy.exe

        • Path C:\Users\Admin\AppData\Local\Temp\sep_ephemeral_proxy.exe
        • Size 2.6MB
        • SHA256 28e8543f6ce0dd66a0d309c25f3c0567e4ed8fbf9cd6562eb225610a02bd8c62
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1176-11-0x000001B957EB0000-0x000001B957ECA000-memory.dmp

        memory/1176-12-0x000001B957EA0000-0x000001B957EB0000-memory.dmp

        memory/1176-0-0x000001B957EA0000-0x000001B957EB0000-memory.dmp

        memory/1176-9-0x000001B957E30000-0x000001B957E52000-memory.dmp

        memory/1176-10-0x000001B957E60000-0x000001B957E70000-memory.dmp

        memory/1176-1-0x000001B957EA0000-0x000001B957EB0000-memory.dmp

        memory/2244-22-0x00007FF752CE0000-0x00007FF75343B000-memory.dmp

        memory/2244-25-0x00007FF752CE0000-0x00007FF75343B000-memory.dmp

        memory/2244-24-0x00007FF752CE0000-0x00007FF75343B000-memory.dmp

        memory/2244-23-0x00007FF752CE0000-0x00007FF75343B000-memory.dmp

        memory/2244-19-0x00007FF752CE0000-0x00007FF75343B000-memory.dmp

        memory/2244-21-0x00007FF752CE0000-0x00007FF75343B000-memory.dmp

        memory/2244-20-0x00007FF752CE0000-0x00007FF75343B000-memory.dmp

        memory/2244-140-0x00007FF752CE0000-0x00007FF75343B000-memory.dmp

        memory/2244-141-0x00007FF752CE0000-0x00007FF75343B000-memory.dmp

        memory/2244-142-0x00007FF752CE0000-0x00007FF75343B000-memory.dmp