Analysis

  • max time kernel
    136s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    07/04/2024, 23:59

General

  • Target
    371ee78b2ea80872bdc1b35058a445c5e7b0b0ffc4000b13d9278ae567d654fb.exe
  • Size 1.8MB
  • Sample240407-31qdeaaf39
  • SHA256 371ee78b2ea80872bdc1b35058a445c5e7b0b0ffc4000b13d9278ae567d654fb
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 10 IoCs
  • Loads dropped DLL 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 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:\Users\Admin\AppData\Local\Temp\371ee78b2ea80872bdc1b35058a445c5e7b0b0ffc4000b13d9278ae567d654fb.exe
    "C:\Users\Admin\AppData\Local\Temp\371ee78b2ea80872bdc1b35058a445c5e7b0b0ffc4000b13d9278ae567d654fb.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:688
  • C:\Windows\System32\alg.exe
    C:\Windows\System32\alg.exe
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    PID:2796
  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_state.exe
    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_state.exe
    1⤵
    • Executes dropped EXE
    PID:1732
  • C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorsvw.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorsvw.exe
    1⤵
    • Executes dropped EXE
    • Drops file in Windows directory
    PID:2880
  • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\mscorsvw.exe
    C:\Windows\Microsoft.NET\Framework64\v2.0.50727\mscorsvw.exe
    1⤵
    • Executes dropped EXE
    • Drops file in Windows directory
    PID:2072
  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
    1⤵
    • Executes dropped EXE
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:1764
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe -StartupEvent 1e4 -InterruptEvent 1d0 -NGENProcess 1d4 -Pipe 1e0 -Comment "NGen Worker Process"
      2⤵
        PID:2236
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe -StartupEvent 1dc -InterruptEvent 24c -NGENProcess 254 -Pipe 258 -Comment "NGen Worker Process"
        2⤵
          PID:2924
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe -StartupEvent 24c -InterruptEvent 248 -NGENProcess 1ec -Pipe 244 -Comment "NGen Worker Process"
          2⤵
            PID:2948
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
          1⤵
          • Executes dropped EXE
          • Drops file in Windows directory
          • Suspicious use of AdjustPrivilegeToken
          PID:944
        • C:\Windows\system32\dllhost.exe
          C:\Windows\system32\dllhost.exe /Processid:{02D4B3F1-FD88-11D1-960D-00805FC79235}
          1⤵
          • Executes dropped EXE
          • Drops file in Windows directory
          PID:1652
        • C:\Windows\ehome\ehRecvr.exe
          C:\Windows\ehome\ehRecvr.exe
          1⤵
          • Executes dropped EXE
          PID:2996
        • C:\Windows\ehome\ehsched.exe
          C:\Windows\ehome\ehsched.exe
          1⤵
          • Executes dropped EXE
          PID:1220
        • C:\Windows\eHome\EhTray.exe
          "C:\Windows\eHome\EhTray.exe" /nav:-2
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2632
        • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
          "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
          1⤵
            PID:3016
          • C:\Windows\ehome\ehRec.exe
            C:\Windows\ehome\ehRec.exe -Embedding
            1⤵
              PID:1796
            • C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE
              "C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE" /auditservice
              1⤵
                PID:1564
              • C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
                "C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"
                1⤵
                  PID:2776
                • C:\Program Files (x86)\Common Files\Microsoft Shared\Source Engine\OSE.EXE
                  "C:\Program Files (x86)\Common Files\Microsoft Shared\Source Engine\OSE.EXE"
                  1⤵
                    PID:976
                  • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                    "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                    1⤵
                      PID:2604

                    Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          OSE.EXE

                          • Path C:\Program Files (x86)\Common Files\microsoft shared\Source Engine\OSE.EXE
                          • Size 706KB
                          • SHA256 aea1264930279d9bbfa156e3633b5dd2d9012458e0a409e5cda323da2f0aa95f
                          • MD5 SHA1 SHA512 SSDEEP

                          GROOVE.EXE

                          • Path C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE
                          • Size 30.1MB
                          • SHA256 ecd067da65d5e4fb5e0ea6ea1027337608c0a5da5a779e5aa046a01842d8c939
                          • MD5 SHA1 SHA512 SSDEEP

                          maintenanceservice.exe

                          • Path C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
                          • Size 781KB
                          • SHA256 f5361abb8c32e8516257d5be69630a060a36a05e9a6261ee7d3a0d773f8ad280
                          • MD5 SHA1 SHA512 SSDEEP

                          OSPPSVC.EXE

                          • Path C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                          • Size 5.2MB
                          • SHA256 0bdf2e8e25b1690657d5b5b8cf02512ebe9e4f58a936b37a997dbaa76e5c78d5
                          • MD5 SHA1 SHA512 SSDEEP

                          elevation_service.exe

                          • Path C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                          • Size 2.1MB
                          • SHA256 8dddb1dd2ee1dc025cef6372ebeaf59accfe355551fe02fab057ab65dbe3e355
                          • MD5 SHA1 SHA512 SSDEEP

                          mscorsvw.exe

                          • Path C:\Windows\Microsoft.NET\Framework64\v2.0.50727\mscorsvw.exe
                          • Size 648KB
                          • SHA256 83738f465d7970afa226e58139ee512baff56cfa8c7238daeeaa70a391655832
                          • MD5 SHA1 SHA512 SSDEEP

                          ngen_service.log

                          • Path C:\Windows\Microsoft.NET\Framework64\v2.0.50727\ngen_service.log
                          • Size 872KB
                          • SHA256 88b4963594d1ffbdafa8f66603985c0a4aa57f3def25f9c7551f852c0f0cada6
                          • MD5 SHA1 SHA512 SSDEEP

                          mscorsvw.exe

                          • Path C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                          • Size 678KB
                          • SHA256 4509e43db218cf8e051237ef196f319d1849056d4ca8ad3515d325cb1d9db7d8
                          • MD5 SHA1 SHA512 SSDEEP

                          mscorsvw.exe

                          • Path C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorsvw.exe
                          • Size 625KB
                          • SHA256 2402c76040af6ef431e810d96d90699c1a2c34976d271071da5dd5934b5d3bf3
                          • MD5 SHA1 SHA512 SSDEEP

                          ngen_service.log

                          • Path C:\Windows\Microsoft.NET\Framework\v2.0.50727\ngen_service.log
                          • Size 1003KB
                          • SHA256 86f14d2b2317bfe82e4aec050b756e12594e72bace1a456c1d9e7413cd549e24
                          • MD5 SHA1 SHA512 SSDEEP

                          mscorsvw.exe

                          • Path C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
                          • Size 656KB
                          • SHA256 60db79aaa035a25dbd8ef093c979df6457f633306ba240841688c51fb577c53e
                          • MD5 SHA1 SHA512 SSDEEP

                          fxssvc.exe

                          • Path C:\Windows\system32\fxssvc.exe
                          • Size 1.2MB
                          • SHA256 bf3e9c7bc985bcd2e549171db6de68ac76214b71d5cc82d2e7065e502dad5b63
                          • MD5 SHA1 SHA512 SSDEEP

                          aspnet_state.exe

                          • Path \Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_state.exe
                          • Size 603KB
                          • SHA256 3525577a876d3cbd67b38c4a31871ca7c44dcd5823147fc4acc17c7fd350e05e
                          • MD5 SHA1 SHA512 SSDEEP

                          alg.exe

                          • Path \Windows\System32\alg.exe
                          • Size 644KB
                          • SHA256 0e2e9c7e8b610d2fc14621d5c88103e7f79454f58df625046191a76051b0a827
                          • MD5 SHA1 SHA512 SSDEEP

                          dllhost.exe

                          • Path \Windows\System32\dllhost.exe
                          • Size 577KB
                          • SHA256 fdc2a7121bd5a365a3f41b91d5d3989fef1df9a9080b165700085c07f4dd5ce1
                          • MD5 SHA1 SHA512 SSDEEP

                          ehrecvr.exe

                          • Path \Windows\ehome\ehrecvr.exe
                          • Size 1.2MB
                          • SHA256 3c2ebbce088a4e1a0e43cc9f5a977c35e054adf6ca077c5877f16abc012d8f22
                          • MD5 SHA1 SHA512 SSDEEP

                          ehsched.exe

                          • Path \Windows\ehome\ehsched.exe
                          • Size 691KB
                          • SHA256 a04b9b1da719c43b368e85324e5ede3f2b7327474bca69eaf18863cc283a6062
                          • MD5 SHA1 SHA512 SSDEEP

                          memory/688-270-0x0000000000400000-0x00000000005CD000-memory.dmp

                          memory/688-1-0x0000000000400000-0x00000000005CD000-memory.dmp

                          memory/688-6-0x0000000000240000-0x00000000002A6000-memory.dmp

                          memory/688-0-0x0000000000240000-0x00000000002A6000-memory.dmp

                          memory/944-275-0x0000000140000000-0x00000001400AE000-memory.dmp

                          memory/944-140-0x0000000140000000-0x00000001400AE000-memory.dmp

                          memory/976-312-0x000000002E000000-0x000000002E0B5000-memory.dmp

                          memory/1220-175-0x0000000140000000-0x00000001400B2000-memory.dmp

                          memory/1220-174-0x0000000000440000-0x00000000004A0000-memory.dmp

                          memory/1220-337-0x0000000140000000-0x00000001400B2000-memory.dmp

                          memory/1220-182-0x0000000000440000-0x00000000004A0000-memory.dmp

                          memory/1564-288-0x00000000006C0000-0x0000000000726000-memory.dmp

                          memory/1564-300-0x000000002E000000-0x000000002FE1E000-memory.dmp

                          memory/1652-147-0x0000000100000000-0x0000000100095000-memory.dmp

                          memory/1652-290-0x0000000100000000-0x0000000100095000-memory.dmp

                          memory/1652-154-0x00000000008B0000-0x0000000000910000-memory.dmp

                          memory/1652-148-0x00000000008B0000-0x0000000000910000-memory.dmp

                          memory/1732-169-0x0000000140000000-0x000000014009D000-memory.dmp

                          memory/1732-93-0x0000000140000000-0x000000014009D000-memory.dmp

                          memory/1764-125-0x0000000000A00000-0x0000000000A66000-memory.dmp

                          memory/1764-124-0x0000000000400000-0x00000000004A8000-memory.dmp

                          memory/1764-190-0x0000000000400000-0x00000000004A8000-memory.dmp

                          memory/1764-130-0x0000000000A00000-0x0000000000A66000-memory.dmp

                          memory/1796-467-0x000007FEF4AF0000-0x000007FEF548D000-memory.dmp

                          memory/1796-460-0x0000000000A90000-0x0000000000B10000-memory.dmp

                          memory/1796-397-0x0000000000A90000-0x0000000000B10000-memory.dmp

                          memory/1796-387-0x000007FEF4AF0000-0x000007FEF548D000-memory.dmp

                          memory/1796-289-0x000007FEF4AF0000-0x000007FEF548D000-memory.dmp

                          memory/1796-286-0x0000000000A90000-0x0000000000B10000-memory.dmp

                          memory/1796-285-0x000007FEF4AF0000-0x000007FEF548D000-memory.dmp

                          memory/2072-111-0x0000000010000000-0x00000000100A7000-memory.dmp

                          memory/2072-137-0x0000000010000000-0x00000000100A7000-memory.dmp

                          memory/2236-341-0x0000000000230000-0x0000000000296000-memory.dmp

                          memory/2236-447-0x0000000073180000-0x000000007386E000-memory.dmp

                          memory/2236-335-0x0000000000400000-0x00000000004A8000-memory.dmp

                          memory/2604-324-0x0000000100000000-0x0000000100542000-memory.dmp

                          memory/2604-355-0x00000000746F8000-0x000000007470D000-memory.dmp

                          memory/2604-339-0x0000000100000000-0x0000000100542000-memory.dmp

                          memory/2604-333-0x0000000000260000-0x00000000002C0000-memory.dmp

                          memory/2776-302-0x0000000140000000-0x00000001400CA000-memory.dmp

                          memory/2776-303-0x00000000008E0000-0x0000000000940000-memory.dmp

                          memory/2776-313-0x0000000140000000-0x00000001400CA000-memory.dmp

                          memory/2776-314-0x00000000008E0000-0x0000000000940000-memory.dmp

                          memory/2796-49-0x0000000000170000-0x00000000001D0000-memory.dmp

                          memory/2796-156-0x0000000100000000-0x00000001000A4000-memory.dmp

                          memory/2796-48-0x0000000100000000-0x00000001000A4000-memory.dmp

                          memory/2796-70-0x0000000000170000-0x00000000001D0000-memory.dmp

                          memory/2880-96-0x0000000010000000-0x000000001009F000-memory.dmp

                          memory/2880-97-0x0000000000620000-0x0000000000686000-memory.dmp

                          memory/2880-102-0x0000000000620000-0x0000000000686000-memory.dmp

                          memory/2880-122-0x0000000010000000-0x000000001009F000-memory.dmp

                          memory/2924-465-0x0000000000400000-0x00000000004A8000-memory.dmp

                          memory/2924-468-0x0000000000AA0000-0x0000000000B06000-memory.dmp

                          memory/2924-471-0x0000000073180000-0x000000007386E000-memory.dmp

                          memory/2996-188-0x0000000001430000-0x0000000001431000-memory.dmp

                          memory/2996-345-0x0000000001430000-0x0000000001431000-memory.dmp

                          memory/2996-161-0x0000000140000000-0x000000014013C000-memory.dmp

                          memory/2996-168-0x0000000000170000-0x00000000001D0000-memory.dmp

                          memory/2996-186-0x0000000001380000-0x0000000001390000-memory.dmp

                          memory/2996-308-0x0000000140000000-0x000000014013C000-memory.dmp

                          memory/2996-187-0x0000000001390000-0x00000000013A0000-memory.dmp

                          memory/3016-376-0x0000000140000000-0x0000000140237000-memory.dmp

                          memory/3016-192-0x0000000140000000-0x0000000140237000-memory.dmp

                          memory/3016-191-0x0000000000400000-0x0000000000460000-memory.dmp

                          memory/3016-274-0x0000000000400000-0x0000000000460000-memory.dmp