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
    18-12-2024 01:07

General

  • Target

    51ea5e25e9929f936177805583b205ff39f2575c8da2939c4ef3419672f5e321.exe

  • Size

    830KB

  • MD5

    9015c83e6c78343a9fcc472cb2e3a0da

  • SHA1

    38bbdf41126ac83cdb3fff54923c92822ecf0e8f

  • SHA256

    51ea5e25e9929f936177805583b205ff39f2575c8da2939c4ef3419672f5e321

  • SHA512

    a654d4ce048f5d5ff0f7f03c1ebe52b2cf803155793e1fa7374aa2052c3f1a14d7e58c7cad355d2cb721de7383a2952da5db7b48c20c022272c2769efc2d12ac

  • SSDEEP

    12288:BeKKw1g4oJamVq92lWcrBaalHFsS/55Rp138r98C1MPku+l0CPPe:0pw1g4oRq4lWcdaaYUyrEPd+pe

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    graceofgod@amen

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • 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.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\51ea5e25e9929f936177805583b205ff39f2575c8da2939c4ef3419672f5e321.exe
    "C:\Users\Admin\AppData\Local\Temp\51ea5e25e9929f936177805583b205ff39f2575c8da2939c4ef3419672f5e321.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:3532
    • 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\51ea5e25e9929f936177805583b205ff39f2575c8da2939c4ef3419672f5e321.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2912
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pBADgF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3624
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pBADgF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBAA5.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1316
    • C:\Users\Admin\AppData\Local\Temp\51ea5e25e9929f936177805583b205ff39f2575c8da2939c4ef3419672f5e321.exe
      "C:\Users\Admin\AppData\Local\Temp\51ea5e25e9929f936177805583b205ff39f2575c8da2939c4ef3419672f5e321.exe"
      2⤵
        PID:1168
      • C:\Users\Admin\AppData\Local\Temp\51ea5e25e9929f936177805583b205ff39f2575c8da2939c4ef3419672f5e321.exe
        "C:\Users\Admin\AppData\Local\Temp\51ea5e25e9929f936177805583b205ff39f2575c8da2939c4ef3419672f5e321.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:5044

    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

      591faed5c91984ef1b1bbe670e5ec465

      SHA1

      79b6395baf8a4e2a0acdbe84bf643fec1a112d4e

      SHA256

      166bfde42f12ff7b9f7dcc7072c48576ffd0988cf3b04432155ff24b31674b7a

      SHA512

      5d4d26880005f2c4d27f049d2e9d083d449b86ff4265f43200e0008ef614d840f458514636752e60c208c9e012ce9e507bc587607a6fadb425b2dc0dd19ba918

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3cvreyg1.byf.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpBAA5.tmp

      Filesize

      1KB

      MD5

      e7fa12fad2aa90324dbccae08d9afefd

      SHA1

      74ed2aaf025a4f511d336c928956b35616ec6d6e

      SHA256

      9f165f4c34ef902a483f1fb93837fcf779b5f29aeeba875a1da600ff9e6e4f94

      SHA512

      77d42abb730d3ff4b1effcac6bb69cb4896001014ab69dffab6c9972e5e3891f2f544b2e3e37f478afe431045845a6b9f4bb04b1963ccb7b018fa4bb5647f4e0

    • memory/2912-24-0x0000000005530000-0x0000000005596000-memory.dmp

      Filesize

      408KB

    • memory/2912-47-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/2912-88-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/2912-81-0x0000000007210000-0x000000000722A000-memory.dmp

      Filesize

      104KB

    • memory/2912-79-0x0000000007100000-0x000000000710E000-memory.dmp

      Filesize

      56KB

    • memory/2912-78-0x00000000070D0000-0x00000000070E1000-memory.dmp

      Filesize

      68KB

    • memory/2912-76-0x0000000006F40000-0x0000000006F4A000-memory.dmp

      Filesize

      40KB

    • memory/2912-75-0x0000000006ED0000-0x0000000006EEA000-memory.dmp

      Filesize

      104KB

    • memory/2912-16-0x0000000004600000-0x0000000004636000-memory.dmp

      Filesize

      216KB

    • memory/2912-18-0x0000000004C70000-0x0000000005298000-memory.dmp

      Filesize

      6.2MB

    • memory/2912-17-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/2912-19-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/2912-74-0x0000000007510000-0x0000000007B8A000-memory.dmp

      Filesize

      6.5MB

    • memory/2912-73-0x0000000006BD0000-0x0000000006C73000-memory.dmp

      Filesize

      652KB

    • memory/2912-62-0x0000000075530000-0x000000007557C000-memory.dmp

      Filesize

      304KB

    • memory/3532-4-0x0000000004CB0000-0x0000000005004000-memory.dmp

      Filesize

      3.3MB

    • memory/3532-5-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/3532-1-0x00000000001B0000-0x0000000000286000-memory.dmp

      Filesize

      856KB

    • memory/3532-48-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/3532-6-0x0000000005050000-0x000000000505A000-memory.dmp

      Filesize

      40KB

    • memory/3532-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

      Filesize

      4KB

    • memory/3532-2-0x0000000005110000-0x00000000056B4000-memory.dmp

      Filesize

      5.6MB

    • memory/3532-7-0x0000000006150000-0x0000000006176000-memory.dmp

      Filesize

      152KB

    • memory/3532-8-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

      Filesize

      4KB

    • memory/3532-3-0x0000000004B60000-0x0000000004BF2000-memory.dmp

      Filesize

      584KB

    • memory/3532-9-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/3532-10-0x0000000000C30000-0x0000000000CB0000-memory.dmp

      Filesize

      512KB

    • memory/3532-11-0x000000000CF60000-0x000000000CFFC000-memory.dmp

      Filesize

      624KB

    • memory/3624-22-0x0000000006000000-0x0000000006066000-memory.dmp

      Filesize

      408KB

    • memory/3624-37-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/3624-51-0x0000000006E80000-0x0000000006EB2000-memory.dmp

      Filesize

      200KB

    • memory/3624-52-0x0000000075530000-0x000000007557C000-memory.dmp

      Filesize

      304KB

    • memory/3624-30-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/3624-77-0x0000000007E60000-0x0000000007EF6000-memory.dmp

      Filesize

      600KB

    • memory/3624-72-0x0000000006E60000-0x0000000006E7E000-memory.dmp

      Filesize

      120KB

    • memory/3624-49-0x00000000068C0000-0x00000000068DE000-memory.dmp

      Filesize

      120KB

    • memory/3624-80-0x0000000007E20000-0x0000000007E34000-memory.dmp

      Filesize

      80KB

    • memory/3624-21-0x00000000057F0000-0x0000000005812000-memory.dmp

      Filesize

      136KB

    • memory/3624-82-0x0000000007F00000-0x0000000007F08000-memory.dmp

      Filesize

      32KB

    • memory/3624-23-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/3624-89-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/3624-50-0x0000000006A00000-0x0000000006A4C000-memory.dmp

      Filesize

      304KB

    • memory/5044-31-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/5044-90-0x00000000059D0000-0x00000000059E8000-memory.dmp

      Filesize

      96KB

    • memory/5044-91-0x0000000006780000-0x00000000067D0000-memory.dmp

      Filesize

      320KB