Resubmissions

11/12/2024, 15:32

241211-sy44nssrdm10

09/08/2024, 21:57

240809-1t1vfs1cpm10

06/08/2024, 13:03

240806-qas1dszdqm

06/08/2024, 13:01

240806-p9f97szdlm10

06/08/2024, 12:52

240806-p3672stdkg10

06/08/2024, 12:29

240806-ppa8fsygqr10

06/08/2024, 12:29

240806-pn9pmaygqq

06/08/2024, 12:26

240806-pmc92ashlh10

Analysis

  • max time kernel
    35s
  • max time network
    37s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06/08/2024, 12:52

General

  • Target
    1/3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
  • Size 731KB
  • Sample240806-p3672stdkg
  • SHA256 3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.libreriagandhi.cl

  • Port

    21

  • Password

    x6p2^m#1#~+O

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.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 1 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\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
    "C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4740
    • 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\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4904
    • C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
      "C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3292

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        __PSScriptPolicyTest_dyczo22p.5fo.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dyczo22p.5fo.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/3292-13-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/3292-56-0x00000000065A0000-0x00000000065F0000-memory.dmp

        memory/3292-60-0x0000000074F50000-0x0000000075701000-memory.dmp

        memory/3292-18-0x0000000005060000-0x00000000050C6000-memory.dmp

        memory/3292-17-0x0000000074F50000-0x0000000075701000-memory.dmp

        memory/3292-15-0x0000000074F50000-0x0000000075701000-memory.dmp

        memory/4740-5-0x0000000074F50000-0x0000000075701000-memory.dmp

        memory/4740-16-0x0000000074F50000-0x0000000075701000-memory.dmp

        memory/4740-9-0x00000000073C0000-0x00000000073DA000-memory.dmp

        memory/4740-10-0x0000000006C40000-0x0000000006C4E000-memory.dmp

        memory/4740-11-0x0000000006C90000-0x0000000006D14000-memory.dmp

        memory/4740-12-0x00000000097B0000-0x000000000984C000-memory.dmp

        memory/4740-8-0x0000000007240000-0x0000000007262000-memory.dmp

        memory/4740-7-0x0000000005CA0000-0x0000000005CB2000-memory.dmp

        memory/4740-6-0x0000000005940000-0x0000000005C97000-memory.dmp

        memory/4740-4-0x00000000056B0000-0x00000000056BA000-memory.dmp

        memory/4740-3-0x0000000005600000-0x0000000005692000-memory.dmp

        memory/4740-2-0x0000000005CC0000-0x0000000006266000-memory.dmp

        memory/4740-1-0x0000000000BF0000-0x0000000000CAC000-memory.dmp

        memory/4740-0-0x0000000074F5E000-0x0000000074F5F000-memory.dmp

        memory/4904-21-0x00000000052F0000-0x000000000591A000-memory.dmp

        memory/4904-47-0x0000000007620000-0x0000000007C9A000-memory.dmp

        memory/4904-22-0x0000000074F50000-0x0000000075701000-memory.dmp

        memory/4904-32-0x0000000005920000-0x0000000005C77000-memory.dmp

        memory/4904-33-0x0000000005220000-0x000000000523E000-memory.dmp

        memory/4904-34-0x0000000005D20000-0x0000000005D6C000-memory.dmp

        memory/4904-36-0x0000000070F70000-0x0000000070FBC000-memory.dmp

        memory/4904-46-0x0000000006EC0000-0x0000000006F64000-memory.dmp

        memory/4904-45-0x0000000006250000-0x000000000626E000-memory.dmp

        memory/4904-35-0x0000000006C80000-0x0000000006CB4000-memory.dmp

        memory/4904-48-0x0000000006FE0000-0x0000000006FFA000-memory.dmp

        memory/4904-23-0x0000000005070000-0x00000000050D6000-memory.dmp

        memory/4904-49-0x0000000007060000-0x000000000706A000-memory.dmp

        memory/4904-50-0x0000000007270000-0x0000000007306000-memory.dmp

        memory/4904-51-0x00000000071F0000-0x0000000007201000-memory.dmp

        memory/4904-52-0x0000000007220000-0x000000000722E000-memory.dmp

        memory/4904-53-0x0000000007230000-0x0000000007245000-memory.dmp

        memory/4904-54-0x0000000007330000-0x000000000734A000-memory.dmp

        memory/4904-55-0x0000000007320000-0x0000000007328000-memory.dmp

        memory/4904-20-0x0000000002470000-0x00000000024A6000-memory.dmp

        memory/4904-59-0x0000000074F50000-0x0000000075701000-memory.dmp

        memory/4904-19-0x0000000074F50000-0x0000000075701000-memory.dmp