Analysis

  • max time kernel
    122s
  • 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
    08-01-2025 01:06

General

  • Target

    proforma invoice pdf.exe

  • Size

    858KB

  • MD5

    b67477603738159b912b0aa9c197897f

  • SHA1

    51a14b917e8393a3c1ded172bb04c494fdd727e3

  • SHA256

    67cc97b2f5e9d35039589c92c7f6fda7831af0f259ddf248fb166664e4027b91

  • SHA512

    685fe67b8a5d565ccdaf793a7a25dcd84789ac62e8f747800268a547af2771cfa7b11e758a7255e5d57117fd8151364d296b52aed4ad4d96c5752cd6b0164cc4

  • SSDEEP

    12288:vTEAWYMV+I4MVKWLFRLvHG0YV0k6LbRbMhG8FjrPqre71+8cYLsm2F9QykR:LhGRgYXYak6LbRR8F3inBYsm2LQB

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5145135161:AAFnBnjYGtIUE_EwGqQ3-YIV1FOEItrzy8c/

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 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 5 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\proforma invoice pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\proforma invoice pdf.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:4452
    • 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\proforma invoice pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4620
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wTyVrj.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4224
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wTyVrj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpED6D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1248
    • C:\Users\Admin\AppData\Local\Temp\proforma invoice pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\proforma invoice pdf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    11064347d3772fda620cedf407912784

    SHA1

    8937b61054cc1da09754ec79adf9988776a65bfa

    SHA256

    ea0fac5d772d9eefffb646cd04e09bebd3afc6378ed4a8ca28ec0bad3316847a

    SHA512

    27a44c8a5ac745175ed872c459d36c6736a4f98b7c09b1f228ae8c931719bf30c836612072716d58072341c31efae0129ca16594feeccfd30ad936f0c671c825

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_q5bdfwbg.a5a.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpED6D.tmp

    Filesize

    1KB

    MD5

    547e8ab1072bcecb54521a8d50b6d24a

    SHA1

    d93eeafc607029e4b01747d19888cbfe03326228

    SHA256

    d88d653d18d3e6666a94464720c35e1860f2cf60bed61feb48d4e41605b3ba68

    SHA512

    a153c5c1f2bd7a19bb6089fabf941025442b77c871d2dbf02417653ef0cef0e8d6285eb728575d545e7ecda938e758397b038ba8680ec33d476c85146cf28868

  • memory/1852-92-0x00000000074D0000-0x0000000007692000-memory.dmp

    Filesize

    1.8MB

  • memory/1852-46-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1852-91-0x0000000007160000-0x00000000071B0000-memory.dmp

    Filesize

    320KB

  • memory/4224-49-0x0000000005BE0000-0x0000000005C2C000-memory.dmp

    Filesize

    304KB

  • memory/4224-52-0x000000006FB90000-0x000000006FBDC000-memory.dmp

    Filesize

    304KB

  • memory/4224-76-0x0000000006ED0000-0x0000000006EDA000-memory.dmp

    Filesize

    40KB

  • memory/4224-64-0x00000000074A0000-0x0000000007B1A000-memory.dmp

    Filesize

    6.5MB

  • memory/4224-65-0x0000000006E60000-0x0000000006E7A000-memory.dmp

    Filesize

    104KB

  • memory/4224-79-0x0000000007090000-0x000000000709E000-memory.dmp

    Filesize

    56KB

  • memory/4224-63-0x0000000006B20000-0x0000000006BC3000-memory.dmp

    Filesize

    652KB

  • memory/4224-62-0x0000000006AB0000-0x0000000006ACE000-memory.dmp

    Filesize

    120KB

  • memory/4224-51-0x0000000006AD0000-0x0000000006B02000-memory.dmp

    Filesize

    200KB

  • memory/4224-20-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4224-21-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4224-77-0x00000000070E0000-0x0000000007176000-memory.dmp

    Filesize

    600KB

  • memory/4224-22-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4224-47-0x0000000005B30000-0x0000000005B4E000-memory.dmp

    Filesize

    120KB

  • memory/4224-31-0x0000000004B70000-0x0000000004BD6000-memory.dmp

    Filesize

    408KB

  • memory/4224-30-0x0000000004B00000-0x0000000004B66000-memory.dmp

    Filesize

    408KB

  • memory/4224-29-0x0000000004A60000-0x0000000004A82000-memory.dmp

    Filesize

    136KB

  • memory/4224-86-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4452-1-0x0000000000F00000-0x0000000000FDA000-memory.dmp

    Filesize

    872KB

  • memory/4452-2-0x0000000005D60000-0x0000000006304000-memory.dmp

    Filesize

    5.6MB

  • memory/4452-3-0x0000000005850000-0x00000000058E2000-memory.dmp

    Filesize

    584KB

  • memory/4452-50-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4452-8-0x000000007483E000-0x000000007483F000-memory.dmp

    Filesize

    4KB

  • memory/4452-4-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4452-5-0x00000000059E0000-0x00000000059EA000-memory.dmp

    Filesize

    40KB

  • memory/4452-6-0x0000000005AF0000-0x0000000005B8C000-memory.dmp

    Filesize

    624KB

  • memory/4452-0-0x000000007483E000-0x000000007483F000-memory.dmp

    Filesize

    4KB

  • memory/4452-7-0x0000000006B10000-0x0000000006B2C000-memory.dmp

    Filesize

    112KB

  • memory/4452-10-0x0000000006FF0000-0x0000000007066000-memory.dmp

    Filesize

    472KB

  • memory/4452-9-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4620-16-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4620-78-0x0000000007690000-0x00000000076A1000-memory.dmp

    Filesize

    68KB

  • memory/4620-66-0x000000006FB90000-0x000000006FBDC000-memory.dmp

    Filesize

    304KB

  • memory/4620-80-0x00000000076D0000-0x00000000076E4000-memory.dmp

    Filesize

    80KB

  • memory/4620-81-0x00000000077D0000-0x00000000077EA000-memory.dmp

    Filesize

    104KB

  • memory/4620-82-0x00000000077B0000-0x00000000077B8000-memory.dmp

    Filesize

    32KB

  • memory/4620-45-0x0000000005D30000-0x0000000006084000-memory.dmp

    Filesize

    3.3MB

  • memory/4620-90-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4620-19-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4620-17-0x00000000052B0000-0x00000000058D8000-memory.dmp

    Filesize

    6.2MB

  • memory/4620-18-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4620-15-0x0000000002870000-0x00000000028A6000-memory.dmp

    Filesize

    216KB