Resubmissions

05-09-2023 01:34

230905-by5lrsch46 10

Analysis

  • max time kernel
    145s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 01:20

General

  • Target

    e1ae0e66e2ad4ee07faec69a41c3aaf6982e5a5c6fe9af7403310c43519227be.exe

  • Size

    752KB

  • MD5

    1ae98135f3721f93c3627b8167e6fa50

  • SHA1

    c5eae06d96051b94cb6e0dabd0f40fed7384306d

  • SHA256

    e1ae0e66e2ad4ee07faec69a41c3aaf6982e5a5c6fe9af7403310c43519227be

  • SHA512

    64db93b80a24eb03104caaf778dd29d1a1592652b2d7f734f1e3e0ede89af5f1cafa627a756ec6fb63aa2e2cfa42ade6c6a9aa1e8dfff749275c19e6cb6e7565

  • SSDEEP

    12288:767B0v33ZJRDqzafmCu5ZjcVZaY2xtxDLQLBNwR2z3n8jUhRcOJ5cLc:76+v3RB+Cu5CZlutZLQLBNhn8j5y/

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 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 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e1ae0e66e2ad4ee07faec69a41c3aaf6982e5a5c6fe9af7403310c43519227be.exe
    "C:\Users\Admin\AppData\Local\Temp\e1ae0e66e2ad4ee07faec69a41c3aaf6982e5a5c6fe9af7403310c43519227be.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3180
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HbNtXpFugh.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4508
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HbNtXpFugh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1E60.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3280
    • C:\Users\Admin\AppData\Local\Temp\e1ae0e66e2ad4ee07faec69a41c3aaf6982e5a5c6fe9af7403310c43519227be.exe
      "C:\Users\Admin\AppData\Local\Temp\e1ae0e66e2ad4ee07faec69a41c3aaf6982e5a5c6fe9af7403310c43519227be.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0tlszui0.4k1.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp1E60.tmp

    Filesize

    1KB

    MD5

    72140d676003467fcd6da6d027265366

    SHA1

    db43b55ff7c939c219c2799cf9fc3cf16cd28c4d

    SHA256

    a3b9c1f21ec9e5acc8772849491e28a91245c39f2db3df225d5209a933e969b9

    SHA512

    1ded22803e98f524d2b8bd41641bf8a4a17731465c07004dbfeffecea57d0bf2a59845548cd2bc3e272456077ac8ca6fff2df2d8524247b4be7492fb842ac654

  • memory/3180-5-0x0000000005450000-0x00000000054EC000-memory.dmp

    Filesize

    624KB

  • memory/3180-11-0x0000000006710000-0x000000000671E000-memory.dmp

    Filesize

    56KB

  • memory/3180-4-0x0000000005140000-0x000000000514A000-memory.dmp

    Filesize

    40KB

  • memory/3180-0-0x000000007483E000-0x000000007483F000-memory.dmp

    Filesize

    4KB

  • memory/3180-6-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3180-7-0x0000000005440000-0x0000000005456000-memory.dmp

    Filesize

    88KB

  • memory/3180-8-0x000000007483E000-0x000000007483F000-memory.dmp

    Filesize

    4KB

  • memory/3180-9-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3180-10-0x00000000056C0000-0x00000000056CC000-memory.dmp

    Filesize

    48KB

  • memory/3180-3-0x00000000051D0000-0x0000000005262000-memory.dmp

    Filesize

    584KB

  • memory/3180-12-0x0000000008120000-0x000000000819C000-memory.dmp

    Filesize

    496KB

  • memory/3180-39-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3180-1-0x00000000007B0000-0x0000000000872000-memory.dmp

    Filesize

    776KB

  • memory/3180-2-0x00000000056E0000-0x0000000005C84000-memory.dmp

    Filesize

    5.6MB

  • memory/3568-59-0x00000000065C0000-0x0000000006610000-memory.dmp

    Filesize

    320KB

  • memory/3568-38-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3568-69-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3568-26-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4508-23-0x0000000004F30000-0x0000000004F52000-memory.dmp

    Filesize

    136KB

  • memory/4508-56-0x0000000007860000-0x0000000007EDA000-memory.dmp

    Filesize

    6.5MB

  • memory/4508-25-0x0000000005810000-0x0000000005876000-memory.dmp

    Filesize

    408KB

  • memory/4508-37-0x00000000058F0000-0x0000000005C44000-memory.dmp

    Filesize

    3.3MB

  • memory/4508-22-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4508-21-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4508-20-0x0000000005100000-0x0000000005728000-memory.dmp

    Filesize

    6.2MB

  • memory/4508-40-0x0000000005EE0000-0x0000000005EFE000-memory.dmp

    Filesize

    120KB

  • memory/4508-41-0x0000000005FA0000-0x0000000005FEC000-memory.dmp

    Filesize

    304KB

  • memory/4508-42-0x00000000070C0000-0x00000000070F2000-memory.dmp

    Filesize

    200KB

  • memory/4508-43-0x00000000750E0000-0x000000007512C000-memory.dmp

    Filesize

    304KB

  • memory/4508-53-0x00000000064A0000-0x00000000064BE000-memory.dmp

    Filesize

    120KB

  • memory/4508-54-0x0000000007100000-0x00000000071A3000-memory.dmp

    Filesize

    652KB

  • memory/4508-24-0x0000000005730000-0x0000000005796000-memory.dmp

    Filesize

    408KB

  • memory/4508-57-0x0000000007220000-0x000000000723A000-memory.dmp

    Filesize

    104KB

  • memory/4508-58-0x0000000007290000-0x000000000729A000-memory.dmp

    Filesize

    40KB

  • memory/4508-19-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4508-60-0x00000000074A0000-0x0000000007536000-memory.dmp

    Filesize

    600KB

  • memory/4508-61-0x0000000007420000-0x0000000007431000-memory.dmp

    Filesize

    68KB

  • memory/4508-62-0x0000000007450000-0x000000000745E000-memory.dmp

    Filesize

    56KB

  • memory/4508-63-0x0000000007460000-0x0000000007474000-memory.dmp

    Filesize

    80KB

  • memory/4508-64-0x0000000007560000-0x000000000757A000-memory.dmp

    Filesize

    104KB

  • memory/4508-65-0x0000000007540000-0x0000000007548000-memory.dmp

    Filesize

    32KB

  • memory/4508-68-0x0000000074830000-0x0000000074FE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4508-17-0x0000000002600000-0x0000000002636000-memory.dmp

    Filesize

    216KB