Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-11-2024 19:01

General

  • Target

    64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe

  • Size

    768KB

  • MD5

    935f65f1b34d979429d92268a2a71460

  • SHA1

    065005c8faf14a8cdafc86070dfa64e39345f34f

  • SHA256

    64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2

  • SHA512

    caa659ed28668169f1780da917490c4e9915fa849d9c526d5f9edaa47137eb729d288cdd41b39c101125e83c6e242a75d8a0b8c9fec2860f21ca0567973df0d1

  • SSDEEP

    12288:DKRvTsh5vkaPRKMB3EpG4/in6iNI+cgeTG6/DQ3+Coxr+M+ACR5leZlNLkt:DmavkaZKMavm6iNIlgsG6rgM+M+A+erU

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.topcats.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    SpurS21?

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 3 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 4 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe
    "C:\Users\Admin\AppData\Local\Temp\64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4192
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xHETYXWFB.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3144
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xHETYXWFB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA950.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3848
    • C:\Users\Admin\AppData\Local\Temp\64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe
      "C:\Users\Admin\AppData\Local\Temp\64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\64259b9c7add94c44c563a04df7560c950413b5270db25cde2e7013e094cede2.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jcswqjl4.vzm.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpA950.tmp

    Filesize

    1KB

    MD5

    75a73a76b7faf18932d214412b8b4829

    SHA1

    d7d2804be8b7177e7e3f7a9d4ffad8c723be98ed

    SHA256

    7369ff1d60c5760a48c8a1bfd0477c889e2be96d650405a8f16cff22b7fc36ad

    SHA512

    97b3622b8b5cedd8ecbadd82cbb4b212fbae549cbc20dd473aae2c209f57b57ec46e2865602165395762bf3eb5bc2ea236a132941b9983fa42328fd105698f34

  • memory/544-68-0x00000000744A0000-0x0000000074C50000-memory.dmp

    Filesize

    7.7MB

  • memory/544-60-0x0000000007010000-0x0000000007060000-memory.dmp

    Filesize

    320KB

  • memory/544-36-0x00000000744A0000-0x0000000074C50000-memory.dmp

    Filesize

    7.7MB

  • memory/544-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3144-55-0x0000000007450000-0x0000000007ACA000-memory.dmp

    Filesize

    6.5MB

  • memory/3144-57-0x0000000006E80000-0x0000000006E8A000-memory.dmp

    Filesize

    40KB

  • memory/3144-67-0x00000000744A0000-0x0000000074C50000-memory.dmp

    Filesize

    7.7MB

  • memory/3144-64-0x0000000007120000-0x0000000007128000-memory.dmp

    Filesize

    32KB

  • memory/3144-63-0x0000000007140000-0x000000000715A000-memory.dmp

    Filesize

    104KB

  • memory/3144-16-0x00000000021B0000-0x00000000021E6000-memory.dmp

    Filesize

    216KB

  • memory/3144-17-0x00000000744A0000-0x0000000074C50000-memory.dmp

    Filesize

    7.7MB

  • memory/3144-18-0x0000000004FA0000-0x00000000055C8000-memory.dmp

    Filesize

    6.2MB

  • memory/3144-19-0x00000000744A0000-0x0000000074C50000-memory.dmp

    Filesize

    7.7MB

  • memory/3144-20-0x00000000744A0000-0x0000000074C50000-memory.dmp

    Filesize

    7.7MB

  • memory/3144-62-0x0000000007040000-0x0000000007054000-memory.dmp

    Filesize

    80KB

  • memory/3144-61-0x0000000007030000-0x000000000703E000-memory.dmp

    Filesize

    56KB

  • memory/3144-59-0x0000000007000000-0x0000000007011000-memory.dmp

    Filesize

    68KB

  • memory/3144-28-0x0000000004D30000-0x0000000004D52000-memory.dmp

    Filesize

    136KB

  • memory/3144-58-0x0000000007080000-0x0000000007116000-memory.dmp

    Filesize

    600KB

  • memory/3144-56-0x0000000006E00000-0x0000000006E1A000-memory.dmp

    Filesize

    104KB

  • memory/3144-54-0x0000000006CB0000-0x0000000006D53000-memory.dmp

    Filesize

    652KB

  • memory/3144-38-0x00000000055F0000-0x0000000005656000-memory.dmp

    Filesize

    408KB

  • memory/3144-37-0x0000000004EF0000-0x0000000004F56000-memory.dmp

    Filesize

    408KB

  • memory/3144-39-0x00000000056A0000-0x00000000059F4000-memory.dmp

    Filesize

    3.3MB

  • memory/3144-40-0x0000000005AC0000-0x0000000005ADE000-memory.dmp

    Filesize

    120KB

  • memory/3144-41-0x0000000005BE0000-0x0000000005C2C000-memory.dmp

    Filesize

    304KB

  • memory/3144-42-0x0000000006A70000-0x0000000006AA2000-memory.dmp

    Filesize

    200KB

  • memory/3144-43-0x00000000707E0000-0x000000007082C000-memory.dmp

    Filesize

    304KB

  • memory/3144-53-0x0000000006A50000-0x0000000006A6E000-memory.dmp

    Filesize

    120KB

  • memory/4192-2-0x0000000005A10000-0x0000000005FB4000-memory.dmp

    Filesize

    5.6MB

  • memory/4192-0-0x00000000744AE000-0x00000000744AF000-memory.dmp

    Filesize

    4KB

  • memory/4192-3-0x0000000005370000-0x0000000005402000-memory.dmp

    Filesize

    584KB

  • memory/4192-8-0x00000000744A0000-0x0000000074C50000-memory.dmp

    Filesize

    7.7MB

  • memory/4192-4-0x00000000744A0000-0x0000000074C50000-memory.dmp

    Filesize

    7.7MB

  • memory/4192-5-0x0000000005350000-0x000000000535A000-memory.dmp

    Filesize

    40KB

  • memory/4192-35-0x00000000744A0000-0x0000000074C50000-memory.dmp

    Filesize

    7.7MB

  • memory/4192-6-0x0000000007E30000-0x0000000007E52000-memory.dmp

    Filesize

    136KB

  • memory/4192-7-0x00000000744AE000-0x00000000744AF000-memory.dmp

    Filesize

    4KB

  • memory/4192-11-0x00000000092E0000-0x000000000937C000-memory.dmp

    Filesize

    624KB

  • memory/4192-10-0x0000000006780000-0x0000000006804000-memory.dmp

    Filesize

    528KB

  • memory/4192-9-0x00000000064C0000-0x00000000064D0000-memory.dmp

    Filesize

    64KB

  • memory/4192-1-0x0000000000870000-0x0000000000934000-memory.dmp

    Filesize

    784KB