Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-09-2024 13:07

General

  • Target

    18092024 PDF.exe

  • Size

    849KB

  • MD5

    7e7122557d4dcc0e0e39031aeee97570

  • SHA1

    ca1d7c0bd2ae735caa8df2ec50f6afec92b6e565

  • SHA256

    4753f11e296430bb40e328ad38fe44ecf72aafcdf12cfed22bf16d3f8a0ade34

  • SHA512

    4f74b2fa8f3b6b229c6b3f8c415536452a0501d1d3cda0fe77a9a3e9dde5ee41db44e072c584b9f8f2336b3214cde1a7a6e7d0dff9138212d16ae3aebd4fcf8e

  • SSDEEP

    12288:SKlllZcsZ6ahn6JZN08J734IAMdv2+p8HVzzuS+Q3czbWbtb+Ayt+1LmZ3K1K:DcmN6Jj0ibXv2+WD+Qeb0YAO+1W3K1K

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://inhanoi.net.vn
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ^TSt3!FK$UBA

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\18092024 PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\18092024 PDF.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2432
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\18092024 PDF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2904
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1328

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_clzq0mjo.gpb.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1328-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1328-21-0x0000000005800000-0x0000000005866000-memory.dmp

    Filesize

    408KB

  • memory/1328-61-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1328-62-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1328-20-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1328-63-0x0000000006E50000-0x0000000006EA0000-memory.dmp

    Filesize

    320KB

  • memory/1328-13-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2432-5-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2432-9-0x00000000088F0000-0x0000000008972000-memory.dmp

    Filesize

    520KB

  • memory/2432-10-0x000000000B0C0000-0x000000000B15C000-memory.dmp

    Filesize

    624KB

  • memory/2432-8-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2432-7-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

    Filesize

    4KB

  • memory/2432-14-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2432-6-0x0000000008600000-0x0000000008610000-memory.dmp

    Filesize

    64KB

  • memory/2432-4-0x00000000059B0000-0x00000000059BA000-memory.dmp

    Filesize

    40KB

  • memory/2432-3-0x00000000058E0000-0x0000000005972000-memory.dmp

    Filesize

    584KB

  • memory/2432-0-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

    Filesize

    4KB

  • memory/2432-2-0x0000000005F50000-0x00000000064F4000-memory.dmp

    Filesize

    5.6MB

  • memory/2432-1-0x0000000000F60000-0x000000000103A000-memory.dmp

    Filesize

    872KB

  • memory/2904-27-0x0000000005B70000-0x0000000005B92000-memory.dmp

    Filesize

    136KB

  • memory/2904-50-0x0000000007600000-0x000000000761A000-memory.dmp

    Filesize

    104KB

  • memory/2904-17-0x0000000005510000-0x0000000005B38000-memory.dmp

    Filesize

    6.2MB

  • memory/2904-32-0x0000000005D20000-0x0000000005D86000-memory.dmp

    Filesize

    408KB

  • memory/2904-33-0x0000000005FA0000-0x00000000062F4000-memory.dmp

    Filesize

    3.3MB

  • memory/2904-34-0x0000000005F00000-0x0000000005F1E000-memory.dmp

    Filesize

    120KB

  • memory/2904-35-0x0000000006820000-0x000000000686C000-memory.dmp

    Filesize

    304KB

  • memory/2904-37-0x0000000070BB0000-0x0000000070BFC000-memory.dmp

    Filesize

    304KB

  • memory/2904-47-0x0000000006890000-0x00000000068AE000-memory.dmp

    Filesize

    120KB

  • memory/2904-36-0x00000000074B0000-0x00000000074E2000-memory.dmp

    Filesize

    200KB

  • memory/2904-48-0x00000000074F0000-0x0000000007593000-memory.dmp

    Filesize

    652KB

  • memory/2904-19-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2904-49-0x0000000007C40000-0x00000000082BA000-memory.dmp

    Filesize

    6.5MB

  • memory/2904-51-0x0000000007670000-0x000000000767A000-memory.dmp

    Filesize

    40KB

  • memory/2904-52-0x0000000007880000-0x0000000007916000-memory.dmp

    Filesize

    600KB

  • memory/2904-53-0x0000000007800000-0x0000000007811000-memory.dmp

    Filesize

    68KB

  • memory/2904-54-0x0000000007830000-0x000000000783E000-memory.dmp

    Filesize

    56KB

  • memory/2904-55-0x0000000007840000-0x0000000007854000-memory.dmp

    Filesize

    80KB

  • memory/2904-56-0x0000000007940000-0x000000000795A000-memory.dmp

    Filesize

    104KB

  • memory/2904-57-0x0000000007920000-0x0000000007928000-memory.dmp

    Filesize

    32KB

  • memory/2904-60-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2904-18-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2904-16-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2904-15-0x00000000029A0000-0x00000000029D6000-memory.dmp

    Filesize

    216KB