Analysis

  • max time kernel
    93s
  • max time network
    98s
  • 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 12:41

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:4148
    • 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:1144
    • 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:4416

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_z4u5sxhn.qfi.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1144-48-0x0000000006FE0000-0x0000000007083000-memory.dmp

    Filesize

    652KB

  • memory/1144-50-0x0000000007140000-0x000000000715A000-memory.dmp

    Filesize

    104KB

  • memory/1144-31-0x00000000057D0000-0x0000000005B24000-memory.dmp

    Filesize

    3.3MB

  • memory/1144-61-0x0000000074AE0000-0x0000000075290000-memory.dmp

    Filesize

    7.7MB

  • memory/1144-57-0x0000000007460000-0x0000000007468000-memory.dmp

    Filesize

    32KB

  • memory/1144-56-0x0000000007480000-0x000000000749A000-memory.dmp

    Filesize

    104KB

  • memory/1144-55-0x0000000007380000-0x0000000007394000-memory.dmp

    Filesize

    80KB

  • memory/1144-54-0x0000000007370000-0x000000000737E000-memory.dmp

    Filesize

    56KB

  • memory/1144-53-0x0000000007340000-0x0000000007351000-memory.dmp

    Filesize

    68KB

  • memory/1144-52-0x00000000073C0000-0x0000000007456000-memory.dmp

    Filesize

    600KB

  • memory/1144-51-0x00000000071B0000-0x00000000071BA000-memory.dmp

    Filesize

    40KB

  • memory/1144-34-0x0000000005E10000-0x0000000005E2E000-memory.dmp

    Filesize

    120KB

  • memory/1144-32-0x0000000074AE0000-0x0000000075290000-memory.dmp

    Filesize

    7.7MB

  • memory/1144-49-0x0000000007780000-0x0000000007DFA000-memory.dmp

    Filesize

    6.5MB

  • memory/1144-47-0x00000000063C0000-0x00000000063DE000-memory.dmp

    Filesize

    120KB

  • memory/1144-17-0x00000000048B0000-0x00000000048E6000-memory.dmp

    Filesize

    216KB

  • memory/1144-18-0x0000000074AE0000-0x0000000075290000-memory.dmp

    Filesize

    7.7MB

  • memory/1144-37-0x0000000070760000-0x00000000707AC000-memory.dmp

    Filesize

    304KB

  • memory/1144-19-0x0000000004F20000-0x0000000005548000-memory.dmp

    Filesize

    6.2MB

  • memory/1144-21-0x0000000004DE0000-0x0000000004E46000-memory.dmp

    Filesize

    408KB

  • memory/1144-36-0x00000000063E0000-0x0000000006412000-memory.dmp

    Filesize

    200KB

  • memory/1144-35-0x0000000005EA0000-0x0000000005EEC000-memory.dmp

    Filesize

    304KB

  • memory/4148-12-0x00000000098B0000-0x000000000994C000-memory.dmp

    Filesize

    624KB

  • memory/4148-1-0x0000000000BE0000-0x0000000000C9C000-memory.dmp

    Filesize

    752KB

  • memory/4148-3-0x00000000056F0000-0x0000000005782000-memory.dmp

    Filesize

    584KB

  • memory/4148-8-0x0000000006C10000-0x0000000006C32000-memory.dmp

    Filesize

    136KB

  • memory/4148-4-0x00000000056A0000-0x00000000056AA000-memory.dmp

    Filesize

    40KB

  • memory/4148-5-0x0000000074AE0000-0x0000000075290000-memory.dmp

    Filesize

    7.7MB

  • memory/4148-6-0x00000000061B0000-0x0000000006504000-memory.dmp

    Filesize

    3.3MB

  • memory/4148-0-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

    Filesize

    4KB

  • memory/4148-16-0x0000000074AE0000-0x0000000075290000-memory.dmp

    Filesize

    7.7MB

  • memory/4148-2-0x0000000005C00000-0x00000000061A4000-memory.dmp

    Filesize

    5.6MB

  • memory/4148-11-0x0000000006E10000-0x0000000006E94000-memory.dmp

    Filesize

    528KB

  • memory/4148-10-0x0000000006DF0000-0x0000000006DFE000-memory.dmp

    Filesize

    56KB

  • memory/4148-9-0x0000000006DA0000-0x0000000006DBA000-memory.dmp

    Filesize

    104KB

  • memory/4148-7-0x0000000005BB0000-0x0000000005BC2000-memory.dmp

    Filesize

    72KB

  • memory/4416-33-0x0000000074AE0000-0x0000000075290000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-15-0x0000000074AE0000-0x0000000075290000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-20-0x0000000005520000-0x0000000005586000-memory.dmp

    Filesize

    408KB

  • memory/4416-58-0x0000000006A80000-0x0000000006AD0000-memory.dmp

    Filesize

    320KB

  • memory/4416-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4416-62-0x0000000074AE0000-0x0000000075290000-memory.dmp

    Filesize

    7.7MB