Overview

overview

10

Static

static

3

TS 5.17.5/...up.msi

windows10-2004-x64

10

TS 5.17.5/setup.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    472s
  • max time network
    509s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-02-2024 11:17

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General

  • Target

    TS 5.17.5/setup.exe

  • Size

    519KB

  • MD5

    8f343990917e9436f243b013b5f8d1c1

  • SHA1

    adc2000eb4cc2b7f3b4b4ccc5248ea929c0bf8eb

  • SHA256

    cddccb68e072dcc325d12ea9c6bfe54a7cf55f8a7ac954e2e8ed48dda6fa0276

  • SHA512

    ad0253737b149c1949e6c5fa1234ce72931c6d02ba96bb40bca8a22c896ef93e8bf1b2ac6fc7bcb454842bb4fd188d35e43e3763d0631aa5532d8395bdad33d5

  • SSDEEP

    12288:fDPdsil5fCMggBIiMVO26kk+FGSeMb01JQntLOCVWU:fD1s2ts96kTNemV

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 2 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TS 5.17.5\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\TS 5.17.5\setup.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4260
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\SysWOW64\msiexec.exe" -I "C:\Users\Admin\AppData\Local\Temp\TS 5.17.5\TS Setup.msi"
      2⤵
      • Enumerates connected drives
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:400
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3708
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 4245C06E3EA936C55D47D3E5E60B6725 C
      2⤵
      • Loads dropped DLL
      PID:1124

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MSI4F39.tmp
    Filesize

    325KB

    MD5

    f048cf239cc583f8433634acf23cae55

    SHA1

    7d3a296a05267855cc637c5bf95fe687b7a765a2

    SHA256

    4d6efad25f62f4c34998385819e46569869b09de4d8b3f1e22dc9e8f032ed3bb

    SHA512

    a021d559150338ef823b8749d95ac262ec13d9c9ed80d2d0d67e0d7690ae61713219a5edf88d83832ad673f0d7a1d306b49af4f07020c98bac2cfb006bcf0c53

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