Analysis

  • max time kernel
    80s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 01:34

General

  • Target

    eff9d3d2ef7056b17de810f0a56e975ddd113b209019fc952d7a34cd58833862.exe

  • Size

    771KB

  • MD5

    3adf7ea1dce08cca2dbaef89283a78c2

  • SHA1

    9eb9e00dac6cf838067a4adb6572ed2540ef5647

  • SHA256

    eff9d3d2ef7056b17de810f0a56e975ddd113b209019fc952d7a34cd58833862

  • SHA512

    0a0164ad0b9d12660a9f1c58f07b6bf66dbd9e481c663f994a4b0eaeac216f21534ff4504d25618e7448538195086d89e960e47f726c200a07206b8ed208c457

  • SSDEEP

    12288:7k3JVD0zzIa0nqErBg4wFt0jod3ZCTCNgiYC/72BmKBQACR5leZlN7JkR:YP1a0qcBgWKqhiYCCTQA+erJU

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 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.

  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eff9d3d2ef7056b17de810f0a56e975ddd113b209019fc952d7a34cd58833862.exe
    "C:\Users\Admin\AppData\Local\Temp\eff9d3d2ef7056b17de810f0a56e975ddd113b209019fc952d7a34cd58833862.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2120
    • 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\eff9d3d2ef7056b17de810f0a56e975ddd113b209019fc952d7a34cd58833862.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1004
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HyvPcWbjbGIg.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2312
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HyvPcWbjbGIg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6F35.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4596
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2804

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

    2d5aa4f1413024b032a59ae3f143a111

    SHA1

    25f167c2b42d6978548be3b41a8041fae279002f

    SHA256

    30123954af24a46e0d7d3dc8aab7b8be37d2c767407c0da83e9e21b87c9d8379

    SHA512

    e74c47a8c54d599d27c3173e2a222e7c9249d99fb35303e02aa736c764119605d94db10cb2ae2f6b7b1896b09865abc257d431edcb377aa99b28fc611ccbbc61

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gfdayqwv.2i4.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp6F35.tmp

    Filesize

    1KB

    MD5

    ec48ef3356503856c0e0160efc695fbf

    SHA1

    76a4d1d099e7c0aa48fc7fe2bce682d1d74150ce

    SHA256

    9e2d63fc25d316fbe6b4d7679933687f4e57f2b320aa546a3eb9e72962e9a4db

    SHA512

    809c8442070bf27ee8ada97fe20145098b59c628eb688b89d40fd366d2ea66545e60f04f6de57e7d61829ae2bb12abf3ea8cfbbd89838f4ba976549358fa7a1d

  • memory/1004-24-0x0000000005990000-0x00000000059B2000-memory.dmp

    Filesize

    136KB

  • memory/1004-49-0x0000000006E60000-0x0000000006EAC000-memory.dmp

    Filesize

    304KB

  • memory/1004-87-0x00000000750B0000-0x0000000075860000-memory.dmp

    Filesize

    7.7MB

  • memory/1004-81-0x0000000007F20000-0x0000000007F28000-memory.dmp

    Filesize

    32KB

  • memory/1004-80-0x0000000007F40000-0x0000000007F5A000-memory.dmp

    Filesize

    104KB

  • memory/1004-79-0x0000000007E40000-0x0000000007E54000-memory.dmp

    Filesize

    80KB

  • memory/1004-14-0x00000000750B0000-0x0000000075860000-memory.dmp

    Filesize

    7.7MB

  • memory/1004-15-0x0000000002FA0000-0x0000000002FD6000-memory.dmp

    Filesize

    216KB

  • memory/1004-17-0x00000000750B0000-0x0000000075860000-memory.dmp

    Filesize

    7.7MB

  • memory/1004-16-0x0000000005BA0000-0x00000000061C8000-memory.dmp

    Filesize

    6.2MB

  • memory/1004-18-0x00000000750B0000-0x0000000075860000-memory.dmp

    Filesize

    7.7MB

  • memory/1004-78-0x0000000007E30000-0x0000000007E3E000-memory.dmp

    Filesize

    56KB

  • memory/1004-74-0x0000000008250000-0x00000000088CA000-memory.dmp

    Filesize

    6.5MB

  • memory/1004-50-0x0000000007870000-0x00000000078A2000-memory.dmp

    Filesize

    200KB

  • memory/1004-52-0x0000000075910000-0x000000007595C000-memory.dmp

    Filesize

    304KB

  • memory/1004-48-0x00000000068B0000-0x00000000068CE000-memory.dmp

    Filesize

    120KB

  • memory/2120-7-0x0000000005940000-0x0000000005950000-memory.dmp

    Filesize

    64KB

  • memory/2120-4-0x0000000005290000-0x000000000529A000-memory.dmp

    Filesize

    40KB

  • memory/2120-0-0x00000000750BE000-0x00000000750BF000-memory.dmp

    Filesize

    4KB

  • memory/2120-3-0x00000000052A0000-0x0000000005332000-memory.dmp

    Filesize

    584KB

  • memory/2120-6-0x0000000005600000-0x0000000005622000-memory.dmp

    Filesize

    136KB

  • memory/2120-5-0x00000000750B0000-0x0000000075860000-memory.dmp

    Filesize

    7.7MB

  • memory/2120-1-0x00000000007D0000-0x0000000000894000-memory.dmp

    Filesize

    784KB

  • memory/2120-2-0x0000000005950000-0x0000000005EF4000-memory.dmp

    Filesize

    5.6MB

  • memory/2120-47-0x00000000750B0000-0x0000000075860000-memory.dmp

    Filesize

    7.7MB

  • memory/2120-8-0x00000000067A0000-0x0000000006822000-memory.dmp

    Filesize

    520KB

  • memory/2120-9-0x0000000009350000-0x00000000093EC000-memory.dmp

    Filesize

    624KB

  • memory/2312-25-0x0000000005580000-0x00000000055E6000-memory.dmp

    Filesize

    408KB

  • memory/2312-21-0x00000000750B0000-0x0000000075860000-memory.dmp

    Filesize

    7.7MB

  • memory/2312-73-0x0000000006FB0000-0x0000000006FCA000-memory.dmp

    Filesize

    104KB

  • memory/2312-19-0x00000000750B0000-0x0000000075860000-memory.dmp

    Filesize

    7.7MB

  • memory/2312-75-0x0000000007020000-0x000000000702A000-memory.dmp

    Filesize

    40KB

  • memory/2312-76-0x0000000007230000-0x00000000072C6000-memory.dmp

    Filesize

    600KB

  • memory/2312-77-0x00000000071B0000-0x00000000071C1000-memory.dmp

    Filesize

    68KB

  • memory/2312-72-0x0000000006E70000-0x0000000006F13000-memory.dmp

    Filesize

    652KB

  • memory/2312-51-0x0000000075910000-0x000000007595C000-memory.dmp

    Filesize

    304KB

  • memory/2312-69-0x0000000006E10000-0x0000000006E2E000-memory.dmp

    Filesize

    120KB

  • memory/2312-22-0x00000000750B0000-0x0000000075860000-memory.dmp

    Filesize

    7.7MB

  • memory/2312-26-0x00000000055F0000-0x0000000005656000-memory.dmp

    Filesize

    408KB

  • memory/2312-42-0x0000000005660000-0x00000000059B4000-memory.dmp

    Filesize

    3.3MB

  • memory/2312-88-0x00000000750B0000-0x0000000075860000-memory.dmp

    Filesize

    7.7MB

  • memory/2804-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2804-89-0x00000000067D0000-0x0000000006820000-memory.dmp

    Filesize

    320KB