Analysis

  • max time kernel
    238s
  • max time network
    284s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250313-en
  • resource tags

    arch:x64arch:x86image:win11-20250313-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    28/03/2025, 13:52

General

  • Target

    SuperViewer Installer/Volume/bin/p16/nicurl.msi

  • Size

    1.1MB

  • MD5

    064917d761d31bac6725c5225e864da6

  • SHA1

    f0831767c8d4ad641a671098558e2f078ef0779d

  • SHA256

    7cea8ed04cb65fa7898b32a9211a667e11460c83769d6d05d3bf84634a558529

  • SHA512

    bc6fa003936f3a910012d5f450f7a57498b902c4bdc036aac5213cd382cb539fad6679c8b5e1cedb904e819d679fafd398cf5ac3b9fe1dde192352b551b43024

  • SSDEEP

    24576:zFzxtmKo/3GfI+TQNxshTK+63S3ZgTqGgeSZUf/:zF9tm4pC2PJg6Uf

Score
6/10

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 7 IoCs
  • Drops file in Windows directory 19 IoCs
  • Loads dropped DLL 11 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 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:\Windows\system32\msiexec.exe
    msiexec.exe /I "C:\Users\Admin\AppData\Local\Temp\SuperViewer Installer\Volume\bin\p16\nicurl.msi"
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3084
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3236
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 5C2418C69519F0BE896502DC3C59AEBB C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:5540
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3304
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding A5C951ED966B4DD6C52C99A3179875CA
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2740
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:664

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Config.Msi\e58873d.rbs

      Filesize

      14KB

      MD5

      496aca7793f29a139203b1b5d976fc0f

      SHA1

      99f881b2cf2bdf33a91fde2a7bff91277cc09b11

      SHA256

      35839c646bdf5d5ea83977efa3675be055fd6fc70eee404a2a9465ca7a8c02d7

      SHA512

      6691bb05077934b6f005c66378a40dfc7e91053024ddb64d40aa569d8b2c3c9c0d1580ac96ce6c5d2c1cc60c18b6fe762457d21205ac54ffc0990392d4ee70ac

    • C:\Users\Admin\AppData\Local\Temp\MSICCB6.tmp

      Filesize

      639KB

      MD5

      c6417930af8969f9f2cb431acd76ec89

      SHA1

      d2f2dc9b44f5f79348f7f36091b26a5465ad4f2b

      SHA256

      1b89704532113150fc7a8a06b5367ee26937c346635a860e93662e1fbb5cd79b

      SHA512

      f30d7a5b51f5d866ccabf3e15a45d3b4013e28a9bdaaf2176e8b121fbd4ab41a8e67c059b2ece8db5bc7a0ce043e76bbc4e3f6400fb9cd2886e1ffcd9e65d79b

    • \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2

      Filesize

      24.6MB

      MD5

      aeb1c41859642460d315d307bc31944d

      SHA1

      3fc284689cbcb4c3bcbf630779f4662b7055d846

      SHA256

      74f2f69c4672d0ff4506d6abda7f9471b644c5b5756b18cb75e3f799e690c68a

      SHA512

      a87021355e14f6c736fdbf80c65737a59ff6788acdafbf0f6c288c293d0427da7e95d32a640cda64cae9dccccebfc70c97c31ac886cecfc32c6869980fea2f64

    • \??\Volume{f82ec716-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{b5218742-8c52-4c19-8858-0c4219268e87}_OnDiskSnapshotProp

      Filesize

      6KB

      MD5

      c060ba261eb0357a0cddf429a0503071

      SHA1

      cf7aafaf01949a1b17b7484afc00f0e3557ba86c

      SHA256

      a0c7f895580a714eebf925a245edcc92947635f6c3cb60a2f4b5eb72cd7a8da4

      SHA512

      0af5e743cdafaa7ecafaa3cbdbaf09742650b52fc675c5ef0a78c5348cd394fca210241a0400d52563382ec0a930e567e546406459f8c3dbb6a09eb0f7e90f53