Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 09:24

General

  • Target
    2026-08-03_da8d479e4784f92d31c58f78892a3763_elex_glassworm_mafia_remcos.exe
  • Size 1.2MB
  • Sample260804-lc998sstgs
  • SHA256 081d0590c639d2452f2b1089bf7642a9fa446e29c7171fbefa77b9ad0d46cb71
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 8 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Drops file in System32 directory 10 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Modifies data under HKEY_USERS 41 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-03_da8d479e4784f92d31c58f78892a3763_elex_glassworm_mafia_remcos.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_da8d479e4784f92d31c58f78892a3763_elex_glassworm_mafia_remcos.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4844
  • C:\Windows\System32\alg.exe
    C:\Windows\System32\alg.exe
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    PID:1440
  • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
    "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:704
  • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
    1⤵
    • Executes dropped EXE
    PID:4672
  • C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
    "C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"
    1⤵
    • Executes dropped EXE
    PID:4752
  • \??\c:\Program Files\Common Files\Microsoft Shared\Source Engine\OSE.EXE
    "c:\Program Files\Common Files\Microsoft Shared\Source Engine\OSE.EXE"
    1⤵
    • Executes dropped EXE
    PID:5504
  • C:\Windows\System32\GameInputSvc.exe
    C:\Windows\System32\GameInputSvc.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3640
    • C:\Windows\System32\GameInputSvc.exe
      "C:\Windows\System32\GameInputSvc.exe" Global\GameInputSession_1
      2⤵
      • Executes dropped EXE
      • Modifies data under HKEY_USERS
      PID:1216
  • C:\Windows\System32\msdtc.exe
    C:\Windows\System32\msdtc.exe
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Windows directory
    PID:4156
  • C:\Windows\system32\PerceptionSimulation\PerceptionSimulationService.exe
    C:\Windows\system32\PerceptionSimulation\PerceptionSimulationService.exe
    1⤵
      PID:1168
    • C:\Windows\SysWow64\perfhost.exe
      C:\Windows\SysWow64\perfhost.exe
      1⤵
        PID:5696
      • C:\Windows\System32\ReFsDedupSvc.exe
        C:\Windows\System32\ReFsDedupSvc.exe
        1⤵
          PID:5360
        • C:\Windows\system32\locator.exe
          C:\Windows\system32\locator.exe
          1⤵
            PID:6032

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                elevation_service.exe

                • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
                • Size 2.7MB
                • SHA256 40bf62dc0d438ca260bbd794ef75c94059f91afb46f0521d16567bdee4994f81
                • MD5 SHA1 SHA512 SSDEEP TLSH

                maintenanceservice.exe

                • Path C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
                • Size 845KB
                • SHA256 f08d3348fbdc0ea97d497439e05fad1d81bb6f7aac131b9441c56597696b0e80
                • MD5 SHA1 SHA512 SSDEEP TLSH

                OSE.EXE

                • Path C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE
                • Size 826KB
                • SHA256 7a428da097f54bc64ac180814a404eae570cae2da85bbb41048bcfa276271e89
                • MD5 SHA1 SHA512 SSDEEP TLSH

                elevation_service.exe

                • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
                • Size 2.8MB
                • SHA256 a53a6ad1c5d6967838822555cef6f83cd48f75bf2d98bcd989a461bedf43e922
                • MD5 SHA1 SHA512 SSDEEP TLSH

                perfhost.exe

                • Path C:\Windows\SysWOW64\perfhost.exe
                • Size 607KB
                • SHA256 46d22f6c9a721556e75223bb7912eb70add77dade0723354d73f5c7b65fb9bb3
                • MD5 SHA1 SHA512 SSDEEP TLSH

                GameInputSvc.exe

                • Path C:\Windows\System32\GameInputSvc.exe
                • Size 660KB
                • SHA256 eed795fef395905cc45a347db45446d7a05840123b83185f3337b2e33508cd5b
                • MD5 SHA1 SHA512 SSDEEP TLSH

                Locator.exe

                • Path C:\Windows\System32\Locator.exe
                • Size 624KB
                • SHA256 d1d94121c08dedca277719cd9f0db5beebfd84668465c4ead664ecff47b4a771
                • MD5 SHA1 SHA512 SSDEEP TLSH

                PerceptionSimulationService.exe

                • Path C:\Windows\System32\PerceptionSimulation\PerceptionSimulationService.exe
                • Size 828KB
                • SHA256 172829ed98b05f6c15028b625118809f573e1480ab35be5b1efd300c41d0aaf5
                • MD5 SHA1 SHA512 SSDEEP TLSH

                ReFsDedupSvc.exe

                • Path C:\Windows\System32\ReFsDedupSvc.exe
                • Size 2.7MB
                • SHA256 4d2919e1f24873473342cfc186779e08586ef138a99e24ed2db810f16606b8e3
                • MD5 SHA1 SHA512 SSDEEP TLSH

                alg.exe

                • Path C:\Windows\System32\alg.exe
                • Size 776KB
                • SHA256 28b2ef546337f671b973d17ac3894c8233b5abc69b2c8bf218014b0b013f5f0e
                • MD5 SHA1 SHA512 SSDEEP TLSH

                msdtc.exe

                • Path C:\Windows\System32\msdtc.exe
                • Size 760KB
                • SHA256 0112698873bbf63762902bd0a3275d9dac0bbb57510ca56b8f4b59c1fbf2c060
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/704-28-0x0000021A243E0000-0x0000021A2450C000-memory.dmp

                memory/704-29-0x0000021A24350000-0x0000021A243B6000-memory.dmp

                memory/704-31-0x0000021A24350000-0x0000021A243B6000-memory.dmp

                memory/704-30-0x0000021A24350000-0x0000021A243B6000-memory.dmp

                memory/1168-264-0x00007FF63D530000-0x00007FF63D679000-memory.dmp

                memory/1168-266-0x000001F1C72F0000-0x000001F1C7356000-memory.dmp

                memory/1168-267-0x000001F1C72F0000-0x000001F1C7356000-memory.dmp

                memory/1216-253-0x000002D892F40000-0x000002D892FA6000-memory.dmp

                memory/1216-254-0x000002D892F40000-0x000002D892FA6000-memory.dmp

                memory/1216-244-0x00007FF63D410000-0x00007FF63D4D8000-memory.dmp

                memory/1440-64-0x00007FF7AD6F0000-0x00007FF7AD812000-memory.dmp

                memory/1440-15-0x00007FF7AD6F0000-0x00007FF7AD812000-memory.dmp

                memory/1440-16-0x000001F3F0830000-0x000001F3F0896000-memory.dmp

                memory/1440-18-0x000001F3F0830000-0x000001F3F0896000-memory.dmp

                memory/1440-17-0x000001F3F0830000-0x000001F3F0896000-memory.dmp

                memory/3640-236-0x000001FB2C2D0000-0x000001FB2C336000-memory.dmp

                memory/3640-235-0x00007FF63D410000-0x00007FF63D4D8000-memory.dmp

                memory/3640-237-0x000001FB2C2D0000-0x000001FB2C336000-memory.dmp

                memory/4156-248-0x0000013E355A0000-0x0000013E35606000-memory.dmp

                memory/4156-249-0x0000013E355A0000-0x0000013E35606000-memory.dmp

                memory/4156-247-0x00007FF62BE30000-0x00007FF62BF49000-memory.dmp

                memory/4672-40-0x0000018463AB0000-0x0000018463B16000-memory.dmp

                memory/4672-39-0x0000018463AB0000-0x0000018463B16000-memory.dmp

                memory/4672-38-0x0000018463AB0000-0x0000018463B16000-memory.dmp

                memory/4672-37-0x0000018463860000-0x000001846398C000-memory.dmp

                memory/4752-54-0x0000022D70210000-0x0000022D70276000-memory.dmp

                memory/4752-48-0x0000022D70210000-0x0000022D70276000-memory.dmp

                memory/4752-55-0x00007FF6DE430000-0x00007FF6DE597000-memory.dmp

                memory/4752-47-0x0000022D70210000-0x0000022D70276000-memory.dmp

                memory/4752-46-0x00007FF6DE430000-0x00007FF6DE597000-memory.dmp

                memory/4844-6-0x0000000002C50000-0x0000000002CB9000-memory.dmp

                memory/4844-0-0x0000000002BA0000-0x0000000002C43000-memory.dmp

                memory/4844-2-0x0000000002C50000-0x0000000002CB9000-memory.dmp

                memory/4844-7-0x0000000002C50000-0x0000000002CB9000-memory.dmp

                memory/5360-291-0x00007FF78DDC0000-0x00007FF78E503000-memory.dmp

                memory/5360-286-0x00000281DBA80000-0x00000281DBAE6000-memory.dmp

                memory/5360-285-0x00000281DBA80000-0x00000281DBAE6000-memory.dmp

                memory/5504-58-0x000002A2FC920000-0x000002A2FCA4C000-memory.dmp

                memory/5504-59-0x000002A2FCB20000-0x000002A2FCB86000-memory.dmp

                memory/5504-60-0x000002A2FCB20000-0x000002A2FCB86000-memory.dmp

                memory/5696-274-0x0000000000A50000-0x0000000000AB9000-memory.dmp

                memory/5696-279-0x0000000000A50000-0x0000000000AB9000-memory.dmp

                memory/5696-273-0x0000000000400000-0x0000000000548000-memory.dmp

                memory/6032-293-0x00007FF65AFF0000-0x00007FF65B09D000-memory.dmp

                memory/6032-294-0x0000022F4BAB0000-0x0000022F4BB16000-memory.dmp

                memory/6032-295-0x0000022F4BAB0000-0x0000022F4BB16000-memory.dmp