Analysis

  • max time kernel
    228s
  • max time network
    306s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-04-2024 19:02

General

  • Target

    650f5a3b-a-0b-b.exe

  • Size

    4.3MB

  • MD5

    91384d0f4d77e075d4e1c25bccb2f304

  • SHA1

    d0bbb8038eef845d41010baf7444bd7d4435745e

  • SHA256

    2c91b4800285e2b210e9720d135cdeceaca65643d70238b543379f1c9a781c60

  • SHA512

    5cc0c98839ab125f2ae07cd26e9c15069144c91b44560400f19646edde6d22748875f1df8c0dea9fc74a7affdf3b31ee275b86be0656fafd1669b8d5abf4619a

  • SSDEEP

    49152:EvA1wdjU88sfiZGJZQqaqfH90PxUM9gx1HnPQ6X++1HWSEHfnqocbyNC8IlXA:EqAxNe+niSMQ9n

Score
5/10

Malware Config

Signatures

  • Suspicious use of SetThreadContext 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3728
  • C:\Users\Admin\AppData\Local\Temp\650f5a3b-a-0b-b.exe
    "C:\Users\Admin\AppData\Local\Temp\650f5a3b-a-0b-b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4664
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\RegAsm.exe"
      2⤵
        PID:1272
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4144 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2108
      • C:\Windows\System32\rundll32.exe
        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
        1⤵
          PID:4632
        • C:\Users\Admin\AppData\Local\Temp\650f5a3b-a-0b-b.exe
          "C:\Users\Admin\AppData\Local\Temp\650f5a3b-a-0b-b.exe"
          1⤵
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3288
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\RegAsm.exe"
            2⤵
              PID:3048

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\650f5a3b-a-0b-b.exe.log

            Filesize

            847B

            MD5

            f8ec7f563d06ccddddf6c96b8957e5c8

            SHA1

            73bdc49dcead32f8c29168645a0f080084132252

            SHA256

            38ef57aec780edd2c8dab614a85ce87351188fce5896ffebc9f69328df2056ed

            SHA512

            8830821ac9edb4cdf4d8a3d7bc30433987ae4c158cf81b705654f54aaeba366c5fa3509981aceae21e193dd4483f03b9d449bc0a32545927d3ca94b0f9367684

          • memory/1272-31-0x0000000004D20000-0x0000000004DBC000-memory.dmp

            Filesize

            624KB

          • memory/1272-35-0x0000000074F00000-0x00000000756B0000-memory.dmp

            Filesize

            7.7MB

          • memory/1272-29-0x0000000074F00000-0x00000000756B0000-memory.dmp

            Filesize

            7.7MB

          • memory/3048-34-0x0000000004FC0000-0x0000000005026000-memory.dmp

            Filesize

            408KB

          • memory/3048-30-0x0000000074F00000-0x00000000756B0000-memory.dmp

            Filesize

            7.7MB

          • memory/3048-36-0x0000000074F00000-0x00000000756B0000-memory.dmp

            Filesize

            7.7MB

          • memory/3048-23-0x0000000000400000-0x000000000049A000-memory.dmp

            Filesize

            616KB

          • memory/3288-32-0x0000000074F00000-0x00000000756B0000-memory.dmp

            Filesize

            7.7MB

          • memory/3288-19-0x0000000074F00000-0x00000000756B0000-memory.dmp

            Filesize

            7.7MB

          • memory/3288-28-0x0000000074F00000-0x00000000756B0000-memory.dmp

            Filesize

            7.7MB

          • memory/3288-22-0x0000000005D20000-0x0000000005D28000-memory.dmp

            Filesize

            32KB

          • memory/3288-20-0x0000000002C10000-0x0000000002C20000-memory.dmp

            Filesize

            64KB

          • memory/3728-10-0x0000028C54640000-0x0000028C54641000-memory.dmp

            Filesize

            4KB

          • memory/3728-9-0x0000028C54640000-0x0000028C54641000-memory.dmp

            Filesize

            4KB

          • memory/3728-0-0x0000028C54640000-0x0000028C54641000-memory.dmp

            Filesize

            4KB

          • memory/3728-2-0x0000028C54640000-0x0000028C54641000-memory.dmp

            Filesize

            4KB

          • memory/3728-6-0x0000028C54640000-0x0000028C54641000-memory.dmp

            Filesize

            4KB

          • memory/3728-7-0x0000028C54640000-0x0000028C54641000-memory.dmp

            Filesize

            4KB

          • memory/3728-8-0x0000028C54640000-0x0000028C54641000-memory.dmp

            Filesize

            4KB

          • memory/3728-12-0x0000028C54640000-0x0000028C54641000-memory.dmp

            Filesize

            4KB

          • memory/3728-11-0x0000028C54640000-0x0000028C54641000-memory.dmp

            Filesize

            4KB

          • memory/3728-1-0x0000028C54640000-0x0000028C54641000-memory.dmp

            Filesize

            4KB

          • memory/4664-14-0x0000000000610000-0x0000000000A74000-memory.dmp

            Filesize

            4.4MB

          • memory/4664-13-0x0000000074F00000-0x00000000756B0000-memory.dmp

            Filesize

            7.7MB

          • memory/4664-18-0x00000000054B0000-0x00000000054C0000-memory.dmp

            Filesize

            64KB

          • memory/4664-33-0x0000000074F00000-0x00000000756B0000-memory.dmp

            Filesize

            7.7MB

          • memory/4664-21-0x00000000054A0000-0x00000000054B0000-memory.dmp

            Filesize

            64KB

          • memory/4664-15-0x00000000054B0000-0x00000000054C0000-memory.dmp

            Filesize

            64KB

          • memory/4664-16-0x0000000074F00000-0x00000000756B0000-memory.dmp

            Filesize

            7.7MB