Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    06/05/2026, 04:46

General

  • Target
    b0fb185461618e82915e7d701fc6dbe6164c45a7605f3110aff41ebc5c8447b1.exe
  • Size 13.3MB
  • Sample260506-fd153aew2n
  • SHA256 b0fb185461618e82915e7d701fc6dbe6164c45a7605f3110aff41ebc5c8447b1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 13 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 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 46 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\b0fb185461618e82915e7d701fc6dbe6164c45a7605f3110aff41ebc5c8447b1.exe
    "C:\Users\Admin\AppData\Local\Temp\b0fb185461618e82915e7d701fc6dbe6164c45a7605f3110aff41ebc5c8447b1.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3880
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C tasklist | findstr /I /C:"360tray.exe" /C:"HipsTray.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1180
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2012
      • C:\Windows\SysWOW64\findstr.exe
        findstr /I /C:"360tray.exe" /C:"HipsTray.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:552
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C start "" /B cmd.exe /C "powershell Add-MpPreference -ExclusionPath C:\,D:\,F:\"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:704
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /C "powershell Add-MpPreference -ExclusionPath C:\,D:\,F:\"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2492
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell Add-MpPreference -ExclusionPath C:\,D:\,F:\
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4300
    • C:\Users\Admin\AppData\Roaming\comain_ev2f79\ev2f79.exe
      "C:\Users\Admin\AppData\Roaming\comain_ev2f79\ev2f79.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      PID:924
    • C:\Users\Admin\AppData\Roaming\comain_ev2c34\ev2c34.exe
      "C:\Users\Admin\AppData\Roaming\comain_ev2c34\ev2c34.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3792
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Drops file in System32 directory
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of AdjustPrivilegeToken
    PID:2140
  • C:\Windows\System32\UserAccountBroker.exe
    C:\Windows\System32\UserAccountBroker.exe
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    PID:4996
  • C:\Windows\System32\edpnotify.exe
    C:\Windows\System32\edpnotify.exe
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:4804

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        __PSScriptPolicyTest_ropkn3hy.mg4.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ropkn3hy.mg4.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        DcryptDll.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nszE948.tmp\DcryptDll.dll
        • Size 20KB
        • SHA256 ad313f94da4ab0980173e60cbda7d1510e92fb49d2359224e0f89dc3ec0584e7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nsExec.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nszE948.tmp\nsExec.dll
        • Size 7KB
        • SHA256 3a101fa91d4e8831dfb748a1e345ab74fd4a551e64254710bdf53972ba9b473c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        uk_tmp.txt

        • Path C:\Users\Admin\AppData\Local\Temp\uk_tmp.txt
        • Size 1B
        • SHA256 2d711642b726b04401627ca9fbac32f5c8530fb1903cc4db02258717921a4881
        • MD5 SHA1 SHA512

        ap.asin

        • Path C:\Users\Admin\AppData\Roaming\comain_ev2c34\ap.asin
        • Size 260B
        • SHA256 5e5aaf46063ad12072d75c8bc9f544c9807d1a4b18be95a147f8eb433ba05c58
        • MD5 SHA1 SHA512 TLSH

        bnymir.ou

        • Path C:\Users\Admin\AppData\Roaming\comain_ev2c34\bnymir.ou
        • Size 403KB
        • SHA256 311f644a8cc871e9fde0dbf9126189f11cf14534d8aadd824954595b56dbe5d8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        bteuns.pt

        • Path C:\Users\Admin\AppData\Roaming\comain_ev2c34\bteuns.pt
        • Size 533KB
        • SHA256 c56bba6fd6236e30d9b5bb7ffea33079a143819fe1f08db346ff7b96acc9cf00
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cmrsk.ce

        • Path C:\Users\Admin\AppData\Roaming\comain_ev2c34\cmrsk.ce
        • Size 166KB
        • SHA256 32c1efcf15430df8e87207bde1916c807378edf6bd9552f02aeb6d50ac56f752
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ev2c34.exe

        • Path C:\Users\Admin\AppData\Roaming\comain_ev2c34\ev2c34.exe
        • Size 1.7MB
        • SHA256 a2f9913fe8e3c10e63b14b841138dae499467724cc478013c4cab3d1da65c840
        • MD5 SHA1 SHA512 SSDEEP TLSH

        fhkan.oi

        • Path C:\Users\Admin\AppData\Roaming\comain_ev2c34\fhkan.oi
        • Size 180KB
        • SHA256 4846e03250931965df77d4fb897fb3d100d451b72a7910a2840630195cfe1246
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dxyvnb.ti

        • Path C:\Users\Admin\AppData\Roaming\comain_ev2f79\dxyvnb.ti
        • Size 56KB
        • SHA256 2ede6fc732c291281f5e51563a4239e38bc9cc57c42719836d51690edf46c525
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ev2f79.exe

        • Path C:\Users\Admin\AppData\Roaming\comain_ev2f79\ev2f79.exe
        • Size 1.9MB
        • SHA256 ef8d340883a6f745a7fac9f6db89ce7057cf028433d634307356f5365504f894
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ntrin.er

        • Path C:\Users\Admin\AppData\Roaming\comain_ev2f79\ntrin.er
        • Size 168KB
        • SHA256 0250643af857245804b1836a240104cd8122c995d1e63f45c6ab6cb4d1065532
        • MD5 SHA1 SHA512 SSDEEP TLSH

        otrm.oi

        • Path C:\Users\Admin\AppData\Roaming\comain_ev2f79\otrm.oi
        • Size 141KB
        • SHA256 75100bebbc67795bdcec4e17ef4401fe00a14cbcff6857cbad251d1e103e6568
        • MD5 SHA1 SHA512 SSDEEP TLSH

        yinma.vc

        • Path C:\Users\Admin\AppData\Roaming\comain_ev2f79\yinma.vc
        • Size 478KB
        • SHA256 cc734def371a00e17d744833b7a61f030051d0149712fba9d63bb7400271b12a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/924-96-0x0000000010000000-0x0000000010027000-memory.dmp

        memory/924-75-0x0000000010000000-0x0000000010027000-memory.dmp

        memory/924-74-0x0000000010000000-0x0000000010027000-memory.dmp

        memory/924-73-0x0000000010000000-0x0000000010027000-memory.dmp

        memory/924-72-0x0000000010000000-0x0000000010027000-memory.dmp

        memory/924-67-0x0000000010000000-0x0000000010027000-memory.dmp

        memory/2140-116-0x000001911B170000-0x000001911B192000-memory.dmp

        memory/2140-79-0x0000000180000000-0x000000018007D000-memory.dmp

        memory/2140-260-0x0000019102C60000-0x0000019102C72000-memory.dmp

        memory/2140-131-0x000001911B780000-0x000001911B79C000-memory.dmp

        memory/2140-99-0x00000191027D0000-0x00000191027DC000-memory.dmp

        memory/2140-129-0x000001911B750000-0x000001911B75A000-memory.dmp

        memory/2140-128-0x000001911B690000-0x000001911B743000-memory.dmp

        memory/2140-126-0x000001911B670000-0x000001911B68C000-memory.dmp

        memory/3792-201-0x0000000010000000-0x0000000010031000-memory.dmp

        memory/3792-193-0x0000000010000000-0x0000000010031000-memory.dmp

        memory/3792-290-0x0000000010000000-0x0000000010031000-memory.dmp

        memory/3792-199-0x0000000010000000-0x0000000010031000-memory.dmp

        memory/3792-200-0x0000000010000000-0x0000000010031000-memory.dmp

        memory/3792-202-0x0000000010000000-0x0000000010031000-memory.dmp

        memory/3880-255-0x0000000002440000-0x000000000287B000-memory.dmp

        memory/4300-60-0x0000000005900000-0x0000000005C57000-memory.dmp

        memory/4300-119-0x00000000071F0000-0x00000000071FA000-memory.dmp

        memory/4300-130-0x0000000007390000-0x00000000073A1000-memory.dmp

        memory/4300-62-0x0000000005EC0000-0x0000000005F0C000-memory.dmp

        memory/4300-132-0x00000000073D0000-0x00000000073DE000-memory.dmp

        memory/4300-133-0x00000000073E0000-0x00000000073F5000-memory.dmp

        memory/4300-134-0x00000000074E0000-0x00000000074FA000-memory.dmp

        memory/4300-135-0x00000000074C0000-0x00000000074C8000-memory.dmp

        memory/4300-139-0x0000000004F00000-0x0000000004F0E000-memory.dmp

        memory/4300-140-0x0000000005CA0000-0x0000000005CB8000-memory.dmp

        memory/4300-138-0x0000000004D10000-0x0000000004DFA000-memory.dmp

        memory/4300-61-0x0000000005E30000-0x0000000005E4E000-memory.dmp

        memory/4300-101-0x0000000070A40000-0x0000000070A8C000-memory.dmp

        memory/4300-127-0x0000000007420000-0x00000000074B6000-memory.dmp

        memory/4300-114-0x0000000006E40000-0x0000000006EE4000-memory.dmp

        memory/4300-53-0x00000000056D0000-0x0000000005736000-memory.dmp

        memory/4300-108-0x0000000006E10000-0x0000000006E2E000-memory.dmp

        memory/4300-100-0x0000000006400000-0x0000000006434000-memory.dmp

        memory/4300-52-0x0000000005660000-0x00000000056C6000-memory.dmp

        memory/4300-118-0x0000000007180000-0x000000000719A000-memory.dmp

        memory/4300-51-0x0000000004F60000-0x0000000004F82000-memory.dmp

        memory/4300-16-0x0000000005030000-0x000000000565A000-memory.dmp

        memory/4300-15-0x00000000025A0000-0x00000000025B0000-memory.dmp

        memory/4300-117-0x00000000077C0000-0x0000000007E3A000-memory.dmp

        memory/4300-14-0x0000000002500000-0x0000000002536000-memory.dmp

        memory/4300-13-0x00000000025A0000-0x00000000025B0000-memory.dmp

        memory/4804-276-0x0000000180000000-0x000000018008C000-memory.dmp

        memory/4996-261-0x0000000180000000-0x000000018006B000-memory.dmp

        memory/4996-291-0x000001F17AC80000-0x000001F17AD50000-memory.dmp

        memory/4996-294-0x000001F17AC80000-0x000001F17AD50000-memory.dmp

        memory/4996-295-0x000001F17AC80000-0x000001F17AD50000-memory.dmp

        memory/4996-293-0x000001F17AC80000-0x000001F17AD50000-memory.dmp

        memory/4996-292-0x000001F17AC80000-0x000001F17AD50000-memory.dmp

        memory/4996-296-0x000001F17AC80000-0x000001F17AD50000-memory.dmp

        memory/4996-297-0x000001F17AC80000-0x000001F17AD50000-memory.dmp