Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    31/05/2026, 18:44

General

  • Target
    2026-05-31_2244d0494f81848f7b4298ba1638c4d7_cobalt-strike_icedid_njrat_vidar.exe
  • Size 840KB
  • Sample260531-xdjpfses4x
  • SHA256 a2f94db9a5c7ec424746f3415c6f0b377cba5a9abbdcf0c267eca9ba49cfaa77
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 7 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 7 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Modifies data under HKEY_USERS 5 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-31_2244d0494f81848f7b4298ba1638c4d7_cobalt-strike_icedid_njrat_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-31_2244d0494f81848f7b4298ba1638c4d7_cobalt-strike_icedid_njrat_vidar.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3884
  • 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:3260
  • C:\Windows\system32\DiagSvcs\DiagnosticsHub.StandardCollector.Service.exe
    C:\Windows\system32\DiagSvcs\DiagnosticsHub.StandardCollector.Service.exe
    1⤵
    • Executes dropped EXE
    PID:3356
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
    1⤵
      PID:2912
    • C:\Windows\system32\fxssvc.exe
      C:\Windows\system32\fxssvc.exe
      1⤵
      • Executes dropped EXE
      • Modifies data under HKEY_USERS
      • Suspicious use of AdjustPrivilegeToken
      PID:1584
    • 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
      PID:2380
    • 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:3724
    • C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
      "C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"
      1⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:756
    • \??\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:3984

    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 02dfbd50301a204512bfc49c639f69b7fd0aa806b3a6a03f3222560cb9493c31
          • MD5 SHA1 SHA512 SSDEEP TLSH

          maintenanceservice.exe

          • Path C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
          • Size 849KB
          • SHA256 05ff650738df08dbe6eecef5cc93a30ecc09224d17d3ef773f868a6513995e46
          • MD5 SHA1 SHA512 SSDEEP TLSH

          OSE.EXE

          • Path C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE
          • Size 829KB
          • SHA256 1755f79e0d4f863fa1e5a18addfa0ee73591fda3f4ed9237ed5ad18361c69aa3
          • 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 6ae4f9b6426cef04f68c0f16e86dcc1ed6c410a530aad7b2b518b03f87a82d50
          • MD5 SHA1 SHA512 SSDEEP TLSH

          DiagnosticsHub.StandardCollector.Service.exe

          • Path C:\Windows\System32\DiagSvcs\DiagnosticsHub.StandardCollector.Service.exe
          • Size 704KB
          • SHA256 54fe1b2d9662fcd1e08544ff573a830fdd4ea23205a43bee5eed3e1d9d47ed64
          • MD5 SHA1 SHA512 SSDEEP TLSH

          FXSSVC.exe

          • Path C:\Windows\System32\FXSSVC.exe
          • Size 1.2MB
          • SHA256 055daa565f5cd4311ebdf206818a44ecebd951b855c95073661380133443bee9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          alg.exe

          • Path C:\Windows\System32\alg.exe
          • Size 704KB
          • SHA256 7010a7a98cdbcce67338b4862e8340ce8801f4c38bcfef6e29378d997845ff87
          • MD5 SHA1 SHA512 SSDEEP TLSH

          AppVClient.exe

          • Path C:\Windows\system32\AppVClient.exe
          • Size 1.3MB
          • SHA256 70739bf513901e60862c91a3e7dda3a2f5211adcc917adbb8668b47b23e35102
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/756-62-0x000001DD84580000-0x000001DD845E6000-memory.dmp

          memory/756-69-0x000001DD84580000-0x000001DD845E6000-memory.dmp

          memory/756-71-0x00007FF6A3610000-0x00007FF6A3778000-memory.dmp

          memory/756-67-0x00007FF6A3610000-0x00007FF6A3778000-memory.dmp

          memory/756-63-0x000001DD84580000-0x000001DD845E6000-memory.dmp

          memory/1584-41-0x000002516C140000-0x000002516C1A6000-memory.dmp

          memory/1584-43-0x00007FF7D8F90000-0x00007FF7D921B000-memory.dmp

          memory/1584-36-0x000002516C140000-0x000002516C1A6000-memory.dmp

          memory/1584-37-0x00007FF7D8F90000-0x00007FF7D921B000-memory.dmp

          memory/1584-35-0x000002516C140000-0x000002516C1A6000-memory.dmp

          memory/2380-48-0x000001EF70770000-0x000001EF707D6000-memory.dmp

          memory/2380-47-0x000001EF70770000-0x000001EF707D6000-memory.dmp

          memory/2380-46-0x000001EF705B0000-0x000001EF7069A000-memory.dmp

          memory/3260-13-0x000001E0CD720000-0x000001E0CD786000-memory.dmp

          memory/3260-11-0x000001E0CD720000-0x000001E0CD786000-memory.dmp

          memory/3260-81-0x00007FF7FEED0000-0x00007FF7FEFB7000-memory.dmp

          memory/3260-10-0x00007FF7FEED0000-0x00007FF7FEFB7000-memory.dmp

          memory/3356-22-0x0000017473340000-0x00000174733A6000-memory.dmp

          memory/3356-83-0x00007FF601450000-0x00007FF601537000-memory.dmp

          memory/3356-21-0x0000017473340000-0x00000174733A6000-memory.dmp

          memory/3356-23-0x00007FF601450000-0x00007FF601537000-memory.dmp

          memory/3724-55-0x000001C305140000-0x000001C3051A6000-memory.dmp

          memory/3724-54-0x000001C304F30000-0x000001C30501A000-memory.dmp

          memory/3724-56-0x000001C305140000-0x000001C3051A6000-memory.dmp

          memory/3884-32-0x00007FF67CE00000-0x00007FF67CF5F000-memory.dmp

          memory/3884-31-0x000001E7586C0000-0x000001E758726000-memory.dmp

          memory/3884-2-0x00007FF67CE00000-0x00007FF67CF5F000-memory.dmp

          memory/3884-1-0x000001E7586C0000-0x000001E758726000-memory.dmp

          memory/3884-0-0x000001E7586C0000-0x000001E758726000-memory.dmp

          memory/3984-75-0x000001BFBB2A0000-0x000001BFBB306000-memory.dmp

          memory/3984-76-0x000001BFBB2A0000-0x000001BFBB306000-memory.dmp

          memory/3984-74-0x000001BFBB080000-0x000001BFBB16A000-memory.dmp