Analysis

  • max time kernel
    92s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2024 10:23

General

  • Target

    1/3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe

  • Size

    731KB

  • MD5

    bd1050f3642d22733a30cd101f591713

  • SHA1

    5a6553bea21e2df2307ed5c843072bcb023566be

  • SHA256

    3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671

  • SHA512

    6cc19b1df105d9f4e76c39f7be79c9a5a42fdb338a8b56b1d16e1343221e36552344fc30aa8c2bf4d48781694a412dcddb5858a36c643706bc778b0b8cc59883

  • SSDEEP

    12288:tmoDWx2PQfRcudR5C3T+Lc7vaVs95ucinaj13Tp8K2:tHawMR9/gDR5yrQx2K2

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.libreriagandhi.cl
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    x6p2^m#1#~+O

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.libreriagandhi.cl
  • Port:
    21
  • Username:
    [email protected]
  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
    "C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2452
    • 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:1632
    • C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
      "C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe"
      2⤵
        PID:1528
      • 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:1224

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe.log

      Filesize

      1KB

      MD5

      8783efc818e6c4b08cdd7dc7e06641d0

      SHA1

      481a410d390aefdd28ff1bc005d1ee46e7b092f2

      SHA256

      735a7e96c6b2d91b062f378d14291656b72c92d36b1a21584ce5b606b4ea8572

      SHA512

      1d48c97192d9ca4deca93a2a62dc6230d2752b1710c95660b41e89413b9b022a0139570d946580968bd04cf48497a6dc31e25d4aca7f477525b346ab0a302d32

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ht0oodyq.c3o.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1224-13-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1224-63-0x00000000750E0000-0x0000000075890000-memory.dmp

      Filesize

      7.7MB

    • memory/1224-62-0x0000000006470000-0x00000000064C0000-memory.dmp

      Filesize

      320KB

    • memory/1224-22-0x00000000750E0000-0x0000000075890000-memory.dmp

      Filesize

      7.7MB

    • memory/1224-18-0x0000000004F90000-0x0000000004FF6000-memory.dmp

      Filesize

      408KB

    • memory/1224-16-0x00000000750E0000-0x0000000075890000-memory.dmp

      Filesize

      7.7MB

    • memory/1632-51-0x00000000080E0000-0x000000000875A000-memory.dmp

      Filesize

      6.5MB

    • memory/1632-36-0x0000000006750000-0x000000000676E000-memory.dmp

      Filesize

      120KB

    • memory/1632-61-0x00000000750E0000-0x0000000075890000-memory.dmp

      Filesize

      7.7MB

    • memory/1632-59-0x0000000007DB0000-0x0000000007DB8000-memory.dmp

      Filesize

      32KB

    • memory/1632-58-0x0000000007DD0000-0x0000000007DEA000-memory.dmp

      Filesize

      104KB

    • memory/1632-57-0x0000000007CD0000-0x0000000007CE4000-memory.dmp

      Filesize

      80KB

    • memory/1632-56-0x0000000007CC0000-0x0000000007CCE000-memory.dmp

      Filesize

      56KB

    • memory/1632-55-0x0000000007C90000-0x0000000007CA1000-memory.dmp

      Filesize

      68KB

    • memory/1632-54-0x0000000007D10000-0x0000000007DA6000-memory.dmp

      Filesize

      600KB

    • memory/1632-53-0x0000000007B10000-0x0000000007B1A000-memory.dmp

      Filesize

      40KB

    • memory/1632-19-0x00000000051B0000-0x00000000051E6000-memory.dmp

      Filesize

      216KB

    • memory/1632-20-0x00000000059B0000-0x0000000005FD8000-memory.dmp

      Filesize

      6.2MB

    • memory/1632-21-0x0000000005750000-0x00000000057B6000-memory.dmp

      Filesize

      408KB

    • memory/1632-52-0x0000000007A90000-0x0000000007AAA000-memory.dmp

      Filesize

      104KB

    • memory/1632-23-0x0000000006170000-0x00000000064C4000-memory.dmp

      Filesize

      3.3MB

    • memory/1632-24-0x00000000750E0000-0x0000000075890000-memory.dmp

      Filesize

      7.7MB

    • memory/1632-38-0x0000000007730000-0x0000000007762000-memory.dmp

      Filesize

      200KB

    • memory/1632-34-0x00000000750E0000-0x0000000075890000-memory.dmp

      Filesize

      7.7MB

    • memory/1632-35-0x00000000750E0000-0x0000000075890000-memory.dmp

      Filesize

      7.7MB

    • memory/1632-50-0x0000000007770000-0x0000000007813000-memory.dmp

      Filesize

      652KB

    • memory/1632-37-0x00000000067E0000-0x000000000682C000-memory.dmp

      Filesize

      304KB

    • memory/1632-49-0x0000000006D10000-0x0000000006D2E000-memory.dmp

      Filesize

      120KB

    • memory/1632-39-0x0000000070D60000-0x0000000070DAC000-memory.dmp

      Filesize

      304KB

    • memory/2452-17-0x00000000750E0000-0x0000000075890000-memory.dmp

      Filesize

      7.7MB

    • memory/2452-9-0x0000000007070000-0x000000000708A000-memory.dmp

      Filesize

      104KB

    • memory/2452-0-0x00000000750EE000-0x00000000750EF000-memory.dmp

      Filesize

      4KB

    • memory/2452-4-0x00000000052D0000-0x00000000052DA000-memory.dmp

      Filesize

      40KB

    • memory/2452-5-0x00000000750E0000-0x0000000075890000-memory.dmp

      Filesize

      7.7MB

    • memory/2452-6-0x0000000005E20000-0x0000000006174000-memory.dmp

      Filesize

      3.3MB

    • memory/2452-3-0x0000000005360000-0x00000000053F2000-memory.dmp

      Filesize

      584KB

    • memory/2452-7-0x0000000005650000-0x0000000005662000-memory.dmp

      Filesize

      72KB

    • memory/2452-11-0x0000000007100000-0x0000000007184000-memory.dmp

      Filesize

      528KB

    • memory/2452-12-0x00000000097D0000-0x000000000986C000-memory.dmp

      Filesize

      624KB

    • memory/2452-8-0x0000000006EF0000-0x0000000006F12000-memory.dmp

      Filesize

      136KB

    • memory/2452-10-0x00000000070B0000-0x00000000070BE000-memory.dmp

      Filesize

      56KB

    • memory/2452-2-0x0000000005870000-0x0000000005E14000-memory.dmp

      Filesize

      5.6MB

    • memory/2452-1-0x0000000000810000-0x00000000008CC000-memory.dmp

      Filesize

      752KB