Analysis

  • max time kernel
    141s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 00:13

General

  • Target

    setup.msi

  • Size

    508KB

  • MD5

    4c5d506168367113b3a4e6c66cd93b01

  • SHA1

    6970b2b8c0bb82e481844707c8a2965bad815d65

  • SHA256

    7ab156266c51905322bb36eb17ad85809c7b29eca210fd6e4de0c09454b33a0a

  • SHA512

    986776eb27c27949ae21df8fce533a7a36031fbf1f281d1838a6e8ff0a28f349b4340bed7969572eea3f2943edc46d587cb35be4cc953ea3e4894e3216804c07

  • SSDEEP

    6144:SveJGCndUlTIVOdtc+Hp1h/yQz+VPZspW0/9jKaSArZJsnPn:LGCndUlT4+Hp+Qz+lK1Zkv

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 Windows directory 9 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 4 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\setup.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3032
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3428
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1144
      • C:\Windows\Installer\MSI6D70.tmp
        "C:\Windows\Installer\MSI6D70.tmp"
        2⤵
        • Executes dropped EXE
        PID:2916
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:4564

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Discovery

    Query Registry

    2
    T1012

    Peripheral Device Discovery

    2
    T1120

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Config.Msi\e576c96.rbs
      Filesize

      7KB

      MD5

      d05734ad4b4c9c20d5a4b428b5c670b6

      SHA1

      23a8d5ba18f5e47e276dbd73c959b82af271495c

      SHA256

      ac848146011e26046a6af69909f7949efc031e2acdf3d68aebf322a6b55aa617

      SHA512

      38a30d6bdd284598c6f1740336660d87dbe71769921fc6434bbd71e1b69c83b50f36715c940f88426a68808fb8b33252be95e9fa6b641ccc92922d01fb9c3419

    • C:\Windows\Installer\MSI6D70.tmp
      Filesize

      472KB

      MD5

      f3092d2e603cf154a7cebde8e5f07868

      SHA1

      b164271ad70aecb4757f986e96d8a11bbc49da3e

      SHA256

      068a7dd7731272b56a03d4431b3f49ff9d4c190127aab6c127b5d246d7c68edf

      SHA512

      328944764b3d35bc3876f53626a85a85c3786541629b20a1e029f0500ea099c4c70de561119f692446f15b6946bbcf99babb1d93400de16d3a1a7aa20748644c

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

      23.7MB

      MD5

      b2f23d3ac86da3d6ac8b2a3ebdb7a5c0

      SHA1

      ee20f8338216e4f7cb9d2baf5f477da9e7c111b2

      SHA256

      75721ed71500ed4d878c736be7be39dd30f9fd80e00f00ed885faea219eeaa09

      SHA512

      ea145400ccf2fc1bd2d162217b85eea84e4a6e0b63f25eea5819ea37d09eb28c7637ab8b893c56ce7ee8d6d37d61d2d293febb00df0de3f1d2d1b1a16dbb884a

    • \??\Volume{b97f693d-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{e48d220a-1607-4e8a-bf8d-9f56e84cb05f}_OnDiskSnapshotProp
      Filesize

      6KB

      MD5

      b32fd9b4c62d2fbee323682e3b0cfc3a

      SHA1

      e5b796d913a9f2e611854eb15b7ce91ebf0a9ae1

      SHA256

      6f9eac406b526621b2254c62ab3085f02a632e3a7c1fd7b67cb67582e603db03

      SHA512

      d5bfce249e0247d97f620e891899ac97a243fed070a64feab2b22ebad93fa9011b8f02554b067f7bb539d90e515ee7f684f04b5e77389e667891af90dc100fc3