Overview

overview

10

Static

static

3

d4eff098ca...5b.exe

windows7-x64

10

d4eff098ca...5b.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 04:41

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General

  • Target

    d4eff098ca4b5971142fb965c3b8bac69aa57f689d489bc0309d925ad838c35b.exe

  • Size

    1.7MB

  • MD5

    0178ff72c4305610a2490c1721c5872d

  • SHA1

    94a203b8230fff1b71e761b7945faeea2bb3fdd3

  • SHA256

    d4eff098ca4b5971142fb965c3b8bac69aa57f689d489bc0309d925ad838c35b

  • SHA512

    3bcaf7122c2fb8ad6c2374db8f1b9787b38e7dfaceb9e92ac1c8394483405c040748854b14ab7ffad4fcad868e3b3118e45682539243a1c80d545dd0c3b9dded

  • SSDEEP

    24576:PFOaY8U9+A6KdMt7ZRuYfuv9dTWGNj0GvXFGfkRssBUEt3kRQrf7zSIBDICweAVA:txUUvltf6SGd/FGfIsTE665h0dEY2nF

Score
10/10
discoveryevasionpersistencetrojanupx

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Drops file in System32 directory 6 IoCs
  • UPX packed file 17 IoCs

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

    upx
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 17 IoCs

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

  • Modifies registry class 28 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 21 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d4eff098ca4b5971142fb965c3b8bac69aa57f689d489bc0309d925ad838c35b.exe
    "C:\Users\Admin\AppData\Local\Temp\d4eff098ca4b5971142fb965c3b8bac69aa57f689d489bc0309d925ad838c35b.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3272
    • \??\c:\users\admin\appdata\local\temp\d4eff098ca4b5971142fb965c3b8bac69aa57f689d489bc0309d925ad838c35b.exe 
      c:\users\admin\appdata\local\temp\d4eff098ca4b5971142fb965c3b8bac69aa57f689d489bc0309d925ad838c35b.exe 
      2⤵
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:4840
    • C:\Windows\Resources\Themes\icsys.icn.exe
      C:\Windows\Resources\Themes\icsys.icn.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1608
      • \??\c:\windows\resources\themes\explorer.exe
        c:\windows\resources\themes\explorer.exe
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1568
        • \??\c:\windows\resources\spoolsv.exe
          c:\windows\resources\spoolsv.exe SE
          4⤵
          • Executes dropped EXE
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3640
          • \??\c:\windows\resources\svchost.exe
            c:\windows\resources\svchost.exe
            5⤵
            • Modifies visiblity of hidden/system files in Explorer
            • Executes dropped EXE
            • Adds Run key to start application
            • Drops file in System32 directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2984
            • \??\c:\windows\resources\spoolsv.exe
              c:\windows\resources\spoolsv.exe PR
              6⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of SetWindowsHookEx
              PID:1604
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:2672
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4484
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:2276
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
        1⤵
          PID:220

        Network

        MITRE ATT&CK Enterprise v15

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\d4eff098ca4b5971142fb965c3b8bac69aa57f689d489bc0309d925ad838c35b.exe 
          Filesize

          1.5MB

          MD5

          8fe64da09af371b02a31828415ece8f3

          SHA1

          5b5c90dcd425c814b555a4567405601aa977ee0b

          SHA256

          8279696c1d78b14618500e9135886a3667b9decc65946f3729002e4bfdbb20ab

          SHA512

          e49f9b1c9d33364101ad2fd4f2c5ed030700cc941bb469cf2ce7d5b32c51cab9e62b265e05cbd92435453e7e4008c9990bea532298676f7d81e5d6dcdc2f590b

          Download Submit

        • C:\Windows\Resources\Themes\explorer.exe
          Filesize

          135KB

          MD5

          2375f39d29ef8cc950a045fabd4f8752

          SHA1

          7783c26d824e5d6e7f67d5ed80ce16a16cca3e65

          SHA256

          c9221070f38a1d0065d56fe78ab0f112d1cdcd3beffb7b83c9cc7f2211452514

          SHA512

          30b0a638dddbeba77efec0e5700c596e21c7b4737b98d2a05199b1f8f6dba90b9a80baae9a9ffcf77d0c05c51db82cf305b896abe2441d916b958b033c4fe8a9

          Download Submit

        • C:\Windows\Resources\Themes\icsys.icn.exe
          Filesize

          135KB

          MD5

          5bc0d98b2144f558d6657e0accc4319f

          SHA1

          b907c2bbde687ae7cd7964015dbbb9e4c918334b

          SHA256

          76c19f8ae64b7009c6d3b894dc77e8cfbb9dafc17b3196010c98d130394088a6

          SHA512

          3dbccf2183ea4cce94a9fe3a42fe1c51a5642df2b50f49f52cbe96ba78ddc256061210b29898eceafbe7342d17f0f87fc78b956673b3e1edc103abaee149a57e

          Download Submit

        • C:\Windows\Resources\spoolsv.exe
          Filesize

          135KB

          MD5

          03d0f7dc8b084e52ba558a6bb5694a10

          SHA1

          af8e53ba0820574610e48ff9a83147eac91ca94d

          SHA256

          8abde8c128e46fed47fe4506bc4ffb353835bb7d9c2c81578fbe13571d262ba9

          SHA512

          4e1e726711a9aecb7d433f12714e7d4799c2d4ed7c9843b41d2525b0bb27edc44a775788682eeca2486b42aa74253a287ce11a7a2e05912d0bfa8150d4b56481

          Download Submit

        • C:\Windows\Resources\svchost.exe
          Filesize

          135KB

          MD5

          bb40e7b1ddb81a00929fcf5c8db30347

          SHA1

          d47724f0db69c166ed582cdd1081f592b34ce079

          SHA256

          cffa09779a9d5dffcd27e037c0bdacb6c03982d01aab98e1b5b18b20ced190a4

          SHA512

          2b15219929e991db2bdc478ab17ea7343260176ce2d5706e5030c133edf1beb774c18a3aba644de22484fda13795d12e1d7fad7918433b135a2c31fe930a9873

          Download Submit

        • C:\Windows\System32\GroupPolicy\gpt.ini
          Filesize

          127B

          MD5

          f9a49a3e2415016fa85ddff0b8b38419

          SHA1

          f8c987119269e58d22a6b17ae2e8eca7744fb385

          SHA256

          14694dbee3897b6bd5aa596ebfd893e727179b67811920c174dc70e6eee8e579

          SHA512

          91ea129a51d2c3b342287c1250f5b0da6ba2a61eff11791d1cfae1f5c6dd2654c935be1452f4a681e794fd723a3c295e9bc9e59b9005aa4d8bd55ed36c9ad91c

          Download Submit

        • memory/1568-78-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

          Download

        • memory/1604-55-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

          Download

        • memory/1608-57-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

          Download

        • memory/1608-13-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

          Download

        • memory/2984-80-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

          Download

        • memory/3272-58-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

          Download

        • memory/3272-0-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

          Download

        • memory/3640-56-0x0000000000400000-0x000000000041F000-memory.dmp

          Filesize

          124KB

          Download

        • memory/4840-77-0x00007FF68CA80000-0x00007FF68CEEE000-memory.dmp

          Filesize

          4.4MB

          Download

        • memory/4840-59-0x00007FF68CA80000-0x00007FF68CEEE000-memory.dmp

          Filesize

          4.4MB

          Download

        • memory/4840-68-0x00007FF68CA80000-0x00007FF68CEEE000-memory.dmp

          Filesize

          4.4MB

          Download

        • memory/4840-70-0x00007FF68CA80000-0x00007FF68CEEE000-memory.dmp

          Filesize

          4.4MB

          Download

        • memory/4840-72-0x00007FF68CA80000-0x00007FF68CEEE000-memory.dmp

          Filesize

          4.4MB

          Download

        • memory/4840-75-0x00007FF68CA80000-0x00007FF68CEEE000-memory.dmp

          Filesize

          4.4MB

          Download

        • memory/4840-65-0x00007FF68CA80000-0x00007FF68CEEE000-memory.dmp

          Filesize

          4.4MB

          Download

        • memory/4840-67-0x00007FF68CA80000-0x00007FF68CEEE000-memory.dmp

          Filesize

          4.4MB

          Download

        • memory/4840-8-0x00007FF68CA80000-0x00007FF68CEEE000-memory.dmp

          Filesize

          4.4MB

          Download

        • memory/4840-79-0x00007FF68CA80000-0x00007FF68CEEE000-memory.dmp

          Filesize

          4.4MB

          Download

        • memory/4840-86-0x00007FF68CA80000-0x00007FF68CEEE000-memory.dmp

          Filesize

          4.4MB

          Download

        • memory/4840-88-0x00007FF68CA80000-0x00007FF68CEEE000-memory.dmp

          Filesize

          4.4MB

          Download

        • memory/4840-89-0x00007FF68CA80000-0x00007FF68CEEE000-memory.dmp

          Filesize

          4.4MB

          Download

        • memory/4840-91-0x00007FF68CA80000-0x00007FF68CEEE000-memory.dmp

          Filesize

          4.4MB

          Download

        • memory/4840-92-0x00007FF68CA80000-0x00007FF68CEEE000-memory.dmp

          Filesize

          4.4MB

          Download

        • memory/4840-94-0x00007FF68CA80000-0x00007FF68CEEE000-memory.dmp

          Filesize

          4.4MB

          Download