Analysis

  • max time kernel
    37s
  • max time network
    137s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/09/2026, 01:03

General

  • Target
    2026-09-21_3e64e525e33e8bf7a983afea6e802648_cobalt-strike_icedid_satacom_vidar.exe
  • Size 26.1MB
  • Sample260922-bevx8acc74
  • SHA256 046c4924818902ea213e2077a7257eeadb388ac3682be1c6621274c2cab45bf2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • stealc

Botnet
  • 20x09x2026

C2
  • http://193.178.158.107/auth.php

Attributes
  • url_path

    /auth.php

rc4.traffic_key
rc4.plain

Signatures

  • Family: Stealc

    Stealc is an infostealer written in C++.

  • Detects Stealc stealer Version 3 1 IoCs
  • Detects Reflective DLL injection artifacts 2 IoCs
  • Executes dropped EXE 15 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • 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.

  • Inno Setup is an open-source installation builder for Windows applications. 4 IoCs

    Inno Setup installer

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\System32\RuntimeBroker.exe
    C:\Windows\System32\RuntimeBroker.exe -Embedding
    1⤵
      PID:4348
    • C:\Windows\System32\RuntimeBroker.exe
      C:\Windows\System32\RuntimeBroker.exe -Embedding
      1⤵
        PID:4396
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
          PID:1372
          • C:\Windows\explorer.exe
            explorer.exe /LOADSAVEDWINDOWS
            2⤵
            • Modifies registry class
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:5800
            • C:\Users\Admin\AppData\Local\Temp\2026-09-21_3e64e525e33e8bf7a983afea6e802648_cobalt-strike_icedid_satacom_vidar.exe
              "C:\Users\Admin\AppData\Local\Temp\2026-09-21_3e64e525e33e8bf7a983afea6e802648_cobalt-strike_icedid_satacom_vidar.exe"
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:4856
              • C:\Users\Admin\AppData\Local\Temp\j2bum7xo.exe
                "C:\Users\Admin\AppData\Local\Temp\j2bum7xo.exe"
                4⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:1332
                • C:\Users\Admin\AppData\Local\Temp\is-CTCUH6N86Q.tmp\j2bum7xo.tmp
                  "C:\Users\Admin\AppData\Local\Temp\is-CTCUH6N86Q.tmp\j2bum7xo.tmp" /SL5="$4019C,3755066,888832,C:\Users\Admin\AppData\Local\Temp\j2bum7xo.exe"
                  5⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • System Location Discovery: System Language Discovery
                  PID:1036
              • C:\Users\Admin\AppData\Local\Temp\g9pvz4w4.exe
                "C:\Users\Admin\AppData\Local\Temp\g9pvz4w4.exe"
                4⤵
                • Executes dropped EXE
                • Adds Run key to start application
                • Suspicious use of WriteProcessMemory
                PID:3200
                • C:\Users\Admin\AppData\Roaming\syshost.exe
                  C:\Users\Admin\AppData\Roaming\syshost.exe
                  5⤵
                  • Executes dropped EXE
                  PID:3624
              • C:\Users\Admin\AppData\Local\Temp\crbn9dcf.exe
                "C:\Users\Admin\AppData\Local\Temp\crbn9dcf.exe"
                4⤵
                • Executes dropped EXE
                • Adds Run key to start application
                PID:8
              • C:\Users\Admin\AppData\Local\Temp\wgichg9g.exe
                "C:\Users\Admin\AppData\Local\Temp\wgichg9g.exe"
                4⤵
                • Executes dropped EXE
                PID:5408
              • C:\Users\Admin\AppData\Local\Temp\g6jys69z.exe
                "C:\Users\Admin\AppData\Local\Temp\g6jys69z.exe"
                4⤵
                • Executes dropped EXE
                PID:2312
              • C:\Users\Admin\AppData\Local\Temp\keto34km.exe
                "C:\Users\Admin\AppData\Local\Temp\keto34km.exe"
                4⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of WriteProcessMemory
                PID:4852
              • C:\Users\Admin\AppData\Local\Temp\4uk5j9mn.exe
                "C:\Users\Admin\AppData\Local\Temp\4uk5j9mn.exe"
                4⤵
                • Executes dropped EXE
                • Suspicious use of WriteProcessMemory
                PID:2876
                • C:\Users\Admin\AppData\Roaming\synchost.exe
                  "C:\Users\Admin\AppData\Roaming\synchost.exe"
                  5⤵
                  • Executes dropped EXE
                  • Drops file in Windows directory
                  PID:5728
              • C:\Users\Admin\AppData\Local\Temp\skylineloader.exe
                "C:\Users\Admin\AppData\Local\Temp\skylineloader.exe"
                4⤵
                • Executes dropped EXE
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious behavior: EnumeratesProcesses
                PID:624
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Services\wlrmdr.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Services\wlrmdr.exe
          1⤵
          • Executes dropped EXE
          PID:5572
        • C:\Users\Admin\AppData\Roaming\svchostzlu.exe
          C:\Users\Admin\AppData\Roaming\svchostzlu.exe
          1⤵
          • Executes dropped EXE
          PID:4340
        • C:\Users\Admin\AppData\Roaming\syshost.exe
          "C:\Users\Admin\AppData\Roaming\syshost.exe"
          1⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4176
        • C:\Users\Admin\AppData\Roaming\synchost.exe
          "C:\Users\Admin\AppData\Roaming\synchost.exe"
          1⤵
          • Executes dropped EXE
          PID:3968
        • C:\Users\Admin\AppData\Roaming\synchost.exe
          "C:\Users\Admin\AppData\Roaming\synchost.exe"
          1⤵
            PID:1936
          • C:\Users\Admin\AppData\Roaming\synchost.exe
            "C:\Users\Admin\AppData\Roaming\synchost.exe"
            1⤵
              PID:1712

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  4uk5j9mn.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\4uk5j9mn.exe
                  • Size 529KB
                  • SHA256 ce0d27a44176caf7e574ca69bb38d8f20880fb3f8a694c41696d24edcb7f4129
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  crbn9dcf.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\crbn9dcf.exe
                  • Size 160KB
                  • SHA256 595ba12751e0e9bf048e2a1df0450d744426d8a21afe3ed14eb273e010c351ca
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  g6jys69z.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\g6jys69z.exe
                  • Size 52KB
                  • SHA256 35e85dc1dc0e40726f511b8414ebfbd87fd7e75d5b9cba5c48a78ff41281ffe6
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  g9pvz4w4.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\g9pvz4w4.exe
                  • Size 226KB
                  • SHA256 b52b9e6735af28a3b67a6ff48622a02ddcfeb1d43ea4254198bd1448fc149db6
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  _isdecmp.dll

                  • Path C:\Users\Admin\AppData\Local\Temp\is-APKS47FVKJ.tmp\_isetup\_isdecmp.dll
                  • Size 31KB
                  • SHA256 046dddc55633d3867ecf0c05d4ec7176ded1df0456a2aedcd1f50fb26e94c132
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  j2bum7xo.tmp

                  • Path C:\Users\Admin\AppData\Local\Temp\is-CTCUH6N86Q.tmp\j2bum7xo.tmp
                  • Size 4.2MB
                  • SHA256 d9290b09364e2af27b95c65cd73678202ab7d4fd26722064d1d7a55524503a7f
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  j2bum7xo.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\j2bum7xo.exe
                  • Size 10.8MB
                  • SHA256 5ee6fd37ac43946e7bbd556bfd730c11d725ce0bc2b0dc734688f936f216ce2f
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  keto34km.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\keto34km.exe
                  • Size 55KB
                  • SHA256 441627232462ff8f33eb995a2ec1cb53077a3a47699ce3bf6a9b320fa7c1fb40
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  skylineloader.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\skylineloader.exe
                  • Size 13.5MB
                  • SHA256 98692048fef03170ab43379f01b18173e692050ccef61eeb18b5e0e5ca15b7e3
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  wgichg9g.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\wgichg9g.exe
                  • Size 766KB
                  • SHA256 d6281a74e66950abb22861fd1ec68281d4975bd8aade8c26cf3a89820cdc9bb0
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  synchost.exe

                  • Path C:\Users\Admin\AppData\Roaming\synchost.exe
                  • Size 526KB
                  • SHA256 5dc3ef3862dda1c7f3d289f52cffcd13f182dc393ca6b71fc6bcd95f7e8e9845
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  memory/624-74-0x0000000140000000-0x00000001415E0000-memory.dmp

                  memory/624-73-0x00007FF839400000-0x00007FF839402000-memory.dmp

                  memory/624-72-0x00007FF8393F0000-0x00007FF8393F2000-memory.dmp

                  memory/1036-95-0x0000000000160000-0x00000000005A6000-memory.dmp

                  memory/1036-85-0x0000000000160000-0x00000000005A6000-memory.dmp

                  memory/1036-83-0x0000000000160000-0x00000000005A6000-memory.dmp

                  memory/1036-78-0x0000000000160000-0x00000000005A6000-memory.dmp

                  memory/1332-8-0x00000000004B0000-0x0000000000598000-memory.dmp

                  memory/1332-77-0x00000000004B0000-0x0000000000598000-memory.dmp

                  memory/1332-96-0x00000000004B0000-0x0000000000598000-memory.dmp

                  memory/4348-40-0x000001F552790000-0x000001F552792000-memory.dmp

                  memory/5800-66-0x0000000002510000-0x0000000002531000-memory.dmp

                  memory/5800-67-0x0000000003690000-0x00000000036B5000-memory.dmp

                  memory/5800-44-0x0000000180000000-0x0000000180005000-memory.dmp

                  memory/5800-69-0x0000000003690000-0x00000000036B5000-memory.dmp

                  memory/5800-57-0x0000000000C50000-0x0000000000C51000-memory.dmp

                  memory/5800-55-0x0000000000C30000-0x0000000000C31000-memory.dmp

                  memory/5800-56-0x0000000000C40000-0x0000000000C41000-memory.dmp