Analysis

  • max time kernel
    94s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-08-2024 12:27

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 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⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2628
    • 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:3896
    • 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:4836

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_0gwrgy0e.itc.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2628-8-0x00000000066B0000-0x00000000066D2000-memory.dmp

    Filesize

    136KB

  • memory/2628-9-0x0000000006830000-0x000000000684A000-memory.dmp

    Filesize

    104KB

  • memory/2628-4-0x0000000004AB0000-0x0000000004ABA000-memory.dmp

    Filesize

    40KB

  • memory/2628-5-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2628-6-0x0000000005590000-0x00000000058E4000-memory.dmp

    Filesize

    3.3MB

  • memory/2628-7-0x0000000004FB0000-0x0000000004FC2000-memory.dmp

    Filesize

    72KB

  • memory/2628-0-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

    Filesize

    4KB

  • memory/2628-3-0x0000000004AD0000-0x0000000004B62000-memory.dmp

    Filesize

    584KB

  • memory/2628-10-0x0000000005FF0000-0x0000000005FFE000-memory.dmp

    Filesize

    56KB

  • memory/2628-11-0x0000000006040000-0x00000000060C4000-memory.dmp

    Filesize

    528KB

  • memory/2628-12-0x0000000008C10000-0x0000000008CAC000-memory.dmp

    Filesize

    624KB

  • memory/2628-2-0x0000000004FE0000-0x0000000005584000-memory.dmp

    Filesize

    5.6MB

  • memory/2628-1-0x0000000000120000-0x00000000001DC000-memory.dmp

    Filesize

    752KB

  • memory/2628-17-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3896-22-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3896-49-0x0000000006330000-0x000000000634E000-memory.dmp

    Filesize

    120KB

  • memory/3896-62-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3896-59-0x00000000073E0000-0x00000000073E8000-memory.dmp

    Filesize

    32KB

  • memory/3896-21-0x0000000005080000-0x00000000056A8000-memory.dmp

    Filesize

    6.2MB

  • memory/3896-23-0x0000000004F70000-0x0000000004FD6000-memory.dmp

    Filesize

    408KB

  • memory/3896-58-0x0000000007400000-0x000000000741A000-memory.dmp

    Filesize

    104KB

  • memory/3896-24-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3896-25-0x0000000005770000-0x0000000005AC4000-memory.dmp

    Filesize

    3.3MB

  • memory/3896-57-0x0000000007300000-0x0000000007314000-memory.dmp

    Filesize

    80KB

  • memory/3896-26-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3896-36-0x0000000005DA0000-0x0000000005DBE000-memory.dmp

    Filesize

    120KB

  • memory/3896-37-0x0000000005E30000-0x0000000005E7C000-memory.dmp

    Filesize

    304KB

  • memory/3896-38-0x0000000006390000-0x00000000063C2000-memory.dmp

    Filesize

    200KB

  • memory/3896-39-0x0000000070B70000-0x0000000070BBC000-memory.dmp

    Filesize

    304KB

  • memory/3896-18-0x0000000002400000-0x0000000002436000-memory.dmp

    Filesize

    216KB

  • memory/3896-50-0x0000000006D80000-0x0000000006E23000-memory.dmp

    Filesize

    652KB

  • memory/3896-51-0x0000000007710000-0x0000000007D8A000-memory.dmp

    Filesize

    6.5MB

  • memory/3896-52-0x00000000070C0000-0x00000000070DA000-memory.dmp

    Filesize

    104KB

  • memory/3896-53-0x0000000007130000-0x000000000713A000-memory.dmp

    Filesize

    40KB

  • memory/3896-54-0x0000000007340000-0x00000000073D6000-memory.dmp

    Filesize

    600KB

  • memory/3896-55-0x00000000072C0000-0x00000000072D1000-memory.dmp

    Filesize

    68KB

  • memory/3896-56-0x00000000072F0000-0x00000000072FE000-memory.dmp

    Filesize

    56KB

  • memory/4836-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4836-16-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4836-19-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4836-20-0x0000000005730000-0x0000000005796000-memory.dmp

    Filesize

    408KB

  • memory/4836-63-0x0000000006C70000-0x0000000006CC0000-memory.dmp

    Filesize

    320KB

  • memory/4836-64-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB