Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 01:32

General

  • Target

    8ef13cc6f1b7142f119d90c5bf9a8e8a4ef30e0151191a9f0e0b96610d8fe183.exe

  • Size

    806KB

  • MD5

    9a32e03e7274d1b2eaf10e14daaafb91

  • SHA1

    159074cadc6851dfc72ad44bbd0a187198b38896

  • SHA256

    8ef13cc6f1b7142f119d90c5bf9a8e8a4ef30e0151191a9f0e0b96610d8fe183

  • SHA512

    9bd7319500eed20b6d9736ac9f982ed88d0ce1b0d48f936f9d95e69abe1c9e11e86ad2a495c2b645e65a2d5abc6589116543d8210511698248e53332c9a4f11d

  • SSDEEP

    12288:1tWvtO3X2CZ8dDN5H8emRLS9VkKjEbSkNzFduuZEkgArJjtXHX:wO3GCG5N5HSuke4zF9EkzrL

Malware Config

Extracted

Family

agenttesla

Credentials

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 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 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ef13cc6f1b7142f119d90c5bf9a8e8a4ef30e0151191a9f0e0b96610d8fe183.exe
    "C:\Users\Admin\AppData\Local\Temp\8ef13cc6f1b7142f119d90c5bf9a8e8a4ef30e0151191a9f0e0b96610d8fe183.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2104
    • 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\8ef13cc6f1b7142f119d90c5bf9a8e8a4ef30e0151191a9f0e0b96610d8fe183.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\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OmiCXfeyquVh.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2404
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OmiCXfeyquVh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC7A5.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3764
    • C:\Users\Admin\AppData\Local\Temp\8ef13cc6f1b7142f119d90c5bf9a8e8a4ef30e0151191a9f0e0b96610d8fe183.exe
      "C:\Users\Admin\AppData\Local\Temp\8ef13cc6f1b7142f119d90c5bf9a8e8a4ef30e0151191a9f0e0b96610d8fe183.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1616

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

    b5fd3025069223fa174ae73c9e75c3a0

    SHA1

    e2df818318be812ed9ea70e96857c4f51237e950

    SHA256

    30da6275bc5caa56f858361e0590ea5ea98020566683f17cde1b167597aba513

    SHA512

    365c95cda236e19a1e6822e847520d24fc771926a3d17660514a8087826b7b8934cece16a3a9fec19cc347d5028dab0908b850a14645aecb1292439efe569d40

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_i41llhkb.vhv.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpC7A5.tmp

    Filesize

    1KB

    MD5

    6aba7947c36046bcc77ffa8f50636c1f

    SHA1

    7ea7f8bc6cc8a68359eb2a4d02d53afb62b9741d

    SHA256

    47ff336dd28f20aa77bf0ac09778e92632a30ad690460ad52f587757821d0625

    SHA512

    3bafeea12ecfeb699aac31678bd844be240a861c0f34e67398bb2220c1db7aaecd604dc53988c01718aa5a92ed76ea52bd328a6e52bdada86c00cc27d2fab245

  • memory/1616-86-0x0000000006310000-0x0000000006360000-memory.dmp

    Filesize

    320KB

  • memory/1616-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2104-7-0x00000000749BE000-0x00000000749BF000-memory.dmp

    Filesize

    4KB

  • memory/2104-2-0x0000000005E00000-0x00000000063A4000-memory.dmp

    Filesize

    5.6MB

  • memory/2104-8-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/2104-9-0x0000000006F40000-0x0000000006FC2000-memory.dmp

    Filesize

    520KB

  • memory/2104-10-0x0000000009580000-0x000000000961C000-memory.dmp

    Filesize

    624KB

  • memory/2104-28-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/2104-0-0x00000000749BE000-0x00000000749BF000-memory.dmp

    Filesize

    4KB

  • memory/2104-6-0x0000000005D90000-0x0000000005DA0000-memory.dmp

    Filesize

    64KB

  • memory/2104-5-0x0000000005990000-0x000000000599A000-memory.dmp

    Filesize

    40KB

  • memory/2104-1-0x0000000000E20000-0x0000000000EF0000-memory.dmp

    Filesize

    832KB

  • memory/2104-4-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/2104-3-0x00000000058F0000-0x0000000005982000-memory.dmp

    Filesize

    584KB

  • memory/2404-20-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/2404-62-0x0000000006B10000-0x0000000006B2E000-memory.dmp

    Filesize

    120KB

  • memory/2404-82-0x00000000071F0000-0x00000000071F8000-memory.dmp

    Filesize

    32KB

  • memory/2404-81-0x0000000007210000-0x000000000722A000-memory.dmp

    Filesize

    104KB

  • memory/2404-77-0x0000000007150000-0x00000000071E6000-memory.dmp

    Filesize

    600KB

  • memory/2404-29-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/2404-21-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/2404-90-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/2404-74-0x0000000007520000-0x0000000007B9A000-memory.dmp

    Filesize

    6.5MB

  • memory/2404-75-0x0000000006ED0000-0x0000000006EEA000-memory.dmp

    Filesize

    104KB

  • memory/2404-51-0x0000000006B30000-0x0000000006B62000-memory.dmp

    Filesize

    200KB

  • memory/2404-52-0x0000000070A40000-0x0000000070A8C000-memory.dmp

    Filesize

    304KB

  • memory/2404-73-0x0000000006B80000-0x0000000006C23000-memory.dmp

    Filesize

    652KB

  • memory/4224-16-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4224-63-0x0000000070A40000-0x0000000070A8C000-memory.dmp

    Filesize

    304KB

  • memory/4224-50-0x0000000006850000-0x000000000689C000-memory.dmp

    Filesize

    304KB

  • memory/4224-49-0x00000000062B0000-0x00000000062CE000-memory.dmp

    Filesize

    120KB

  • memory/4224-25-0x0000000005BC0000-0x0000000005C26000-memory.dmp

    Filesize

    408KB

  • memory/4224-76-0x0000000007650000-0x000000000765A000-memory.dmp

    Filesize

    40KB

  • memory/4224-30-0x0000000005CB0000-0x0000000006004000-memory.dmp

    Filesize

    3.3MB

  • memory/4224-78-0x00000000077E0000-0x00000000077F1000-memory.dmp

    Filesize

    68KB

  • memory/4224-79-0x0000000007810000-0x000000000781E000-memory.dmp

    Filesize

    56KB

  • memory/4224-80-0x0000000007820000-0x0000000007834000-memory.dmp

    Filesize

    80KB

  • memory/4224-27-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4224-24-0x0000000005A20000-0x0000000005A42000-memory.dmp

    Filesize

    136KB

  • memory/4224-85-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4224-26-0x0000000005C30000-0x0000000005C96000-memory.dmp

    Filesize

    408KB

  • memory/4224-18-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4224-17-0x0000000005380000-0x00000000059A8000-memory.dmp

    Filesize

    6.2MB

  • memory/4224-15-0x0000000004D10000-0x0000000004D46000-memory.dmp

    Filesize

    216KB