Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 04:29

General

  • Target
    2026-09-29_20fdd2590dfc1ffab25a86017aacfc41_bkransomware_elex_karagany_maze_rhadamanthys.exe
  • Size 1.4MB
  • Sample260930-e4gnnsxcrh
  • SHA256 287d680d090145eb863f1506179d2903cecf23d3edcbb09d72bef5485030c915
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Suspicious Office macro 5 IoCs

    Office document equipped with macros.

  • Executes dropped EXE 9 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Enumerates connected drives 3 TTPs 50 IoCs

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

  • Drops file in System32 directory 42 IoCs
  • UPX packed file 21 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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.

  • Checks SCSI registry key(s) 3 TTPs 36 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-29_20fdd2590dfc1ffab25a86017aacfc41_bkransomware_elex_karagany_maze_rhadamanthys.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-29_20fdd2590dfc1ffab25a86017aacfc41_bkransomware_elex_karagany_maze_rhadamanthys.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3396
  • 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
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4624
  • 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:3864
  • \??\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:1684
  • C:\Windows\system32\PerceptionSimulation\PerceptionSimulationService.exe
    C:\Windows\system32\PerceptionSimulation\PerceptionSimulationService.exe
    1⤵
    • Executes dropped EXE
    PID:4252
  • C:\Windows\System32\ReFsDedupSvc.exe
    C:\Windows\System32\ReFsDedupSvc.exe
    1⤵
    • Executes dropped EXE
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    PID:3536
  • C:\Windows\System32\SensorDataService.exe
    C:\Windows\System32\SensorDataService.exe
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Checks SCSI registry key(s)
    PID:248
  • C:\Windows\System32\OpenSSH\ssh-agent.exe
    C:\Windows\System32\OpenSSH\ssh-agent.exe
    1⤵
    • Executes dropped EXE
    PID:4804
  • C:\Windows\system32\AgentService.exe
    C:\Windows\system32\AgentService.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4228
  • C:\Windows\system32\SearchIndexer.exe
    C:\Windows\system32\SearchIndexer.exe /Embedding
    1⤵
    • Executes dropped EXE
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Windows\System32\SearchProtocolHost.exe
      "C:\Windows\System32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe1_ Global\UsGthrCtrlFltPipeMssGthrPipe1 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "C:\ProgramData\Microsoft\Search\Data\Temp\usgthrsvc" "DownLevelDaemon"
      2⤵
      • Modifies data under HKEY_USERS
      PID:5668
    • C:\Windows\System32\SearchProtocolHost.exe
      "C:\Windows\System32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe_S-1-5-21-696679853-3915825385-3233721679-10002_ Global\UsGthrCtrlFltPipeMssGthrPipe_S-1-5-21-696679853-3915825385-3233721679-10002 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "C:\ProgramData\Microsoft\Search\Data\Temp\usgthrsvc" "DownLevelDaemon" "1"
      2⤵
        PID:1440
      • C:\Windows\System32\SearchFilterHost.exe
        "C:\Windows\System32\SearchFilterHost.exe" 944 2900 2904 928 {7FC3863B-7471-4B10-84E3-A5C2E0330618}
        2⤵
          PID:4136
        • C:\Windows\System32\SearchFilterHost.exe
          "C:\Windows\System32\SearchFilterHost.exe" 944 2820 2892 928 {06DC0F6A-A3E7-4365-A8E8-F674FE2E6361}
          2⤵
          • Modifies data under HKEY_USERS
          PID:4532

      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 62fa6b467eab68e29e417e92793c56d11e4ccaea8d672892892f741a9b198891
            • MD5 SHA1 SHA512 SSDEEP TLSH

            maintenanceservice.exe

            • Path C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
            • Size 1017KB
            • SHA256 3b105cd9874b80eb49a8bd087cd0ce1b4c34a97ae3337a3643de6ed62983d7cc
            • MD5 SHA1 SHA512 SSDEEP TLSH

            OSE.EXE

            • Path C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE
            • Size 805KB
            • SHA256 03411bec729b845fff421b13e8fee7334b0ed59f7e9ef48fc4c9f6b8d889c99f
            • 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 b9ceff51666a386c791cc47aea670c8e90e9bc02ba0dd7f657b6c1fe1f7495c8
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MsSense.exe

            • Path C:\Program Files\Windows Defender Advanced Threat Protection\MsSense.exe
            • Size 1.2MB
            • SHA256 587aa12f3fe7b6c22a532483b95b119d022aa1d128523b4d69eb57ae9d3e5a5e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            NisSrv.exe

            • Path C:\Program Files\Windows Defender\NisSrv.exe
            • Size 4.3MB
            • SHA256 7b8970728a36af4b938e94d49759e0f1de5761b1ee661e8823e42c6fc34eddbe
            • MD5 SHA1 SHA512 SSDEEP TLSH

            wmpnetwk.exe

            • Path C:\Program Files\Windows Media Player\wmpnetwk.exe
            • Size 2.2MB
            • SHA256 f2c211a5555d2c483bda527af2c7ac6356667f872f6f35cea78776cf293697e6
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Windows.db

            • Path C:\ProgramData\Microsoft\Search\Data\Applications\Windows\Windows.db
            • Size 972KB
            • SHA256 cf791f7034a5eb4f3b51bbd4c0066a06399366fd2bda284e50b2dc501bfce6a4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Windows.db-wal

            • Path C:\ProgramData\Microsoft\Search\Data\Applications\Windows\Windows.db-wal
            • Size 366KB
            • SHA256 2bbcffce48e730af2d904929988cdd8aec424b34aa7045ea094ed9df820c72f1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ExitUninstall.docm

            • Path C:\Users\Admin\Desktop\ExitUninstall.docm
            • Size 778KB
            • SHA256 a01f0cf444a686d23ef4aaf40abe997bb1c5e6b6dc4f32ab97bc93a013930340
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MoveOptimize.docm

            • Path C:\Users\Admin\Desktop\MoveOptimize.docm
            • Size 775KB
            • SHA256 f2a27362a1ac821a6272818b49d8da3f973e526d7ca5b7dfc064278310a2f89e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            PublishUninstall.docm

            • Path C:\Users\Admin\Desktop\PublishUninstall.docm
            • Size 776KB
            • SHA256 2dc1a08dd834f0801d26e415669380c83147c31f27474d2764e88b5fbd9f2a0a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            RemoveGroup.docm

            • Path C:\Users\Admin\Desktop\RemoveGroup.docm
            • Size 774KB
            • SHA256 41973e055e446ec6e4829c2d10e6bee352036fd674408eb72f4bac32b2e9f2ff
            • MD5 SHA1 SHA512 SSDEEP TLSH

            UnprotectMove.docm

            • Path C:\Users\Admin\Desktop\UnprotectMove.docm
            • Size 777KB
            • SHA256 32de7719015f82eea110c9b58e214c9f30222b8261cb018b6ef68868995e5b3e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            perfhost.exe

            • Path C:\Windows\SysWow64\perfhost.exe
            • Size 778KB
            • SHA256 8a8e8708fe5736a247c420fadd26f9df454153bcce095a8e8995b5e58564dbd5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            AgentService.exe

            • Path C:\Windows\System32\AgentService.exe
            • Size 1.4MB
            • SHA256 5fc9a4ac7032cd24bd910c5a2e81e7ad01b36d1e95f1eadf830cb502dcab5e43
            • MD5 SHA1 SHA512 SSDEEP TLSH

            GameInputSvc.exe

            • Path C:\Windows\System32\GameInputSvc.exe
            • Size 828KB
            • SHA256 01f6ee88e381daa41dfc26871dc234bb90496271b71f45bfaad0a368ac59cb1d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ssh-agent.exe

            • Path C:\Windows\System32\OpenSSH\ssh-agent.exe
            • Size 1.1MB
            • SHA256 c8fcf4978060c5e4d7f677261785d1c1ae75c85d39f0e24dbfdf1b2f2698d3b3
            • MD5 SHA1 SHA512 SSDEEP TLSH

            PerceptionSimulationService.exe

            • Path C:\Windows\System32\PerceptionSimulation\PerceptionSimulationService.exe
            • Size 804KB
            • SHA256 77519799ab406e4026741d39a323ab61445357424b578132ab078b00d9d8220d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ReFsDedupSvc.exe

            • Path C:\Windows\System32\ReFsDedupSvc.exe
            • Size 2.6MB
            • SHA256 16350eaf56d501099b98b82b740bc34026fed37bd0c959bf440a093c35e165a5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            SearchIndexer.exe

            • Path C:\Windows\System32\SearchIndexer.exe
            • Size 1.4MB
            • SHA256 310da76a8687e3e85d4c3758138998d197ed93dfe17586f4cf0b14f9416a6fe9
            • MD5 SHA1 SHA512 SSDEEP TLSH

            SensorDataService.exe

            • Path C:\Windows\System32\SensorDataService.exe
            • Size 1.7MB
            • SHA256 51dc899e0b23ec3ec05227254020ba0037b6a2e4d5b29aba7a47c1c08a35127b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            alg.exe

            • Path C:\Windows\System32\alg.exe
            • Size 944KB
            • SHA256 6e06a6adcb77e0b09dbba46d7e37e394304a9388c1ccbeb6445b1ad64073858b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            msdtc.exe

            • Path C:\Windows\System32\msdtc.exe
            • Size 928KB
            • SHA256 e35f73ba923f42fb773b165021b513e8139c2738d73b4b934819dcb44db25ee3
            • MD5 SHA1 SHA512 SSDEEP TLSH

            snmptrap.exe

            • Path C:\Windows\System32\snmptrap.exe
            • Size 800KB
            • SHA256 48b7c67f3665d3a2fa7d914d47ba5bf735a8c3332f0d6712365520c276eb5d4b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            vds.exe

            • Path C:\Windows\System32\vds.exe
            • Size 1.4MB
            • SHA256 96cd09f851a595657794634611169dcee22e51d907c3b75e4fbf193bc41657ec
            • MD5 SHA1 SHA512 SSDEEP TLSH

            AgentService.exe

            • Path C:\Windows\system32\AgentService.exe
            • Size 2.1MB
            • SHA256 817fb9863c38585ad5703974ddfb29367c7c7ce9643409cca23673e993830e26
            • MD5 SHA1 SHA512 SSDEEP TLSH

            AppVClient.exe

            • Path C:\Windows\system32\AppVClient.exe
            • Size 1.5MB
            • SHA256 4d4ced31675063c20a3780e58ef1978967eff92ccf6d4daa8e6f9d3f7c890b3e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            SgrmBroker.exe

            • Path C:\Windows\system32\Sgrm\SgrmBroker.exe
            • Size 1.7MB
            • SHA256 5526e55db0f18e61a986958a7ac794e802508eb0c40c4e8ee05b7300753853d0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            TieringEngineService.exe

            • Path C:\Windows\system32\TieringEngineService.exe
            • Size 1.1MB
            • SHA256 d6a7890aa583c3ce3b181d655715d3b7ea90ed4626a6b9f600a7ee3b7bd0ee50
            • MD5 SHA1 SHA512 SSDEEP TLSH

            locator.exe

            • Path C:\Windows\system32\locator.exe
            • Size 792KB
            • SHA256 9f7f5b5114cd5e1e16c6d0c05b7629aed2520766fd230f887c7d397e595d45de
            • MD5 SHA1 SHA512 SSDEEP TLSH

            msiexec.exe

            • Path C:\Windows\system32\msiexec.exe
            • Size 936KB
            • SHA256 d5082fd3cb434470d3e276e9c2b58c505c91dbe7f9ee44c7529bc172083671ac
            • MD5 SHA1 SHA512 SSDEEP TLSH

            vssvc.exe

            • Path C:\Windows\system32\vssvc.exe
            • Size 2.2MB
            • SHA256 1f88b33e2e12f6b528bdd22fc61928e4976a96f98f89a4b043da60f387c44c68
            • MD5 SHA1 SHA512 SSDEEP TLSH

            WmiApSrv.exe

            • Path C:\Windows\system32\wbem\WmiApSrv.exe
            • Size 964KB
            • SHA256 19292826a2f533cf14b5e3670f7bed0356a684cb66d2e86491a9308b0e345668
            • MD5 SHA1 SHA512 SSDEEP TLSH

            wbengine.exe

            • Path C:\Windows\system32\wbengine.exe
            • Size 2.2MB
            • SHA256 305bac73a12a4a6d82f1415b449320055e6de37ceccb8c7561e719d3d62d25d6
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/248-110-0x0000000000760000-0x00000000007C0000-memory.dmp

            memory/248-104-0x0000000000760000-0x00000000007C0000-memory.dmp

            memory/248-103-0x0000000140000000-0x00000001401BA000-memory.dmp

            memory/248-324-0x0000000140000000-0x00000001401BA000-memory.dmp

            memory/248-322-0x0000000000760000-0x00000000007C0000-memory.dmp

            memory/248-308-0x0000000140000000-0x00000001401BA000-memory.dmp

            memory/1684-67-0x00000000008C0000-0x0000000000920000-memory.dmp

            memory/1684-59-0x0000000140000000-0x00000001400CF000-memory.dmp

            memory/1684-66-0x00000000008C0000-0x0000000000920000-memory.dmp

            memory/1684-60-0x00000000008C0000-0x0000000000920000-memory.dmp

            memory/1684-201-0x0000000140000000-0x00000001400CF000-memory.dmp

            memory/3396-13-0x0000000002FA0000-0x0000000003007000-memory.dmp

            memory/3396-6-0x0000000002390000-0x0000000002415000-memory.dmp

            memory/3396-19-0x0000000002FA0000-0x0000000003007000-memory.dmp

            memory/3396-7-0x0000000002390000-0x0000000002415000-memory.dmp

            memory/3396-1-0x0000000002390000-0x0000000002415000-memory.dmp

            memory/3396-58-0x0000000000400000-0x0000000000562000-memory.dmp

            memory/3396-0-0x0000000000400000-0x0000000000562000-memory.dmp

            memory/3396-18-0x0000000002FA0000-0x0000000003007000-memory.dmp

            memory/3536-293-0x0000000140000000-0x00000001402C9000-memory.dmp

            memory/3536-89-0x00000000004E0000-0x0000000000540000-memory.dmp

            memory/3536-92-0x0000000140000000-0x00000001402C9000-memory.dmp

            memory/3536-96-0x00000000004E0000-0x0000000000540000-memory.dmp

            memory/3536-339-0x00000000004E0000-0x0000000000540000-memory.dmp

            memory/3536-340-0x0000000140000000-0x00000001402C9000-memory.dmp

            memory/3864-40-0x0000000140000000-0x00000001402D4000-memory.dmp

            memory/3864-171-0x0000000140000000-0x00000001402D4000-memory.dmp

            memory/3864-47-0x00000000006E0000-0x0000000000740000-memory.dmp

            memory/3864-55-0x00000000006E0000-0x0000000000740000-memory.dmp

            memory/4228-144-0x00000000006D0000-0x0000000000730000-memory.dmp

            memory/4228-146-0x0000000140000000-0x0000000140168000-memory.dmp

            memory/4228-130-0x00000000006D0000-0x0000000000730000-memory.dmp

            memory/4228-139-0x00000000006D0000-0x0000000000730000-memory.dmp

            memory/4228-129-0x0000000140000000-0x0000000140168000-memory.dmp

            memory/4252-71-0x0000000140000000-0x00000001400CB000-memory.dmp

            memory/4252-76-0x00000000007A0000-0x0000000000800000-memory.dmp

            memory/4252-287-0x0000000140000000-0x00000001400CB000-memory.dmp

            memory/4252-82-0x00000000007A0000-0x0000000000800000-memory.dmp

            memory/4624-28-0x00000000008B0000-0x0000000000910000-memory.dmp

            memory/4624-34-0x00000000008B0000-0x0000000000910000-memory.dmp

            memory/4624-35-0x00000000008B0000-0x0000000000910000-memory.dmp

            memory/4624-128-0x0000000140000000-0x00000001402E9000-memory.dmp

            memory/4624-27-0x0000000140000000-0x00000001402E9000-memory.dmp

            memory/4804-117-0x0000000000D00000-0x0000000000D60000-memory.dmp

            memory/4804-314-0x0000000140000000-0x000000014013E000-memory.dmp

            memory/4804-123-0x0000000000D00000-0x0000000000D60000-memory.dmp

            memory/4804-116-0x0000000140000000-0x000000014013E000-memory.dmp

            memory/4928-152-0x0000000000620000-0x0000000000680000-memory.dmp

            memory/4928-158-0x0000000000620000-0x0000000000680000-memory.dmp

            memory/4928-151-0x0000000140000000-0x0000000140172000-memory.dmp

            memory/4928-326-0x0000000140000000-0x0000000140172000-memory.dmp