Analysis

  • max time kernel
    93s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-09-2024 08:44

General

  • Target

    PO-3500036071.exe

  • Size

    614KB

  • MD5

    9a6fb05aecb4f4ce83d11d948cfbbf55

  • SHA1

    a1cb615284130925b1259d5a6881923b0eb2e58c

  • SHA256

    f40124a3e533151b64738625eb9cfa05433e6f2c9487729bcb1d71267948564f

  • SHA512

    677701d1d1f6bed146bfe146ab48097ffad8a6433c35833c7bab97b053cf283f6da1c48edf58083917dde052c9cbea1dbfcc7788e5c80661b07da93d1387c528

  • SSDEEP

    12288:+eoXEF2apKhcvZ94ixSjty6NpN4T/zw2M+YIB/RbtyzDB1qgJ:HoAPEi/Ujs6g/zJB32B1

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\PO-3500036071.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-3500036071.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2800
    • 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\PO-3500036071.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1764
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OWwqxnskD.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1916
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OWwqxnskD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB47B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1340
    • C:\Users\Admin\AppData\Local\Temp\PO-3500036071.exe
      "C:\Users\Admin\AppData\Local\Temp\PO-3500036071.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5108

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO-3500036071.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qtkq3nmo.tcx.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpB47B.tmp

    Filesize

    1KB

    MD5

    74579a1b8b3dabec1b0391f2af4a96e6

    SHA1

    68d8ffb5c874723054f07f78fb250173217a8981

    SHA256

    db5bd631350a7e6d58faae179bc5c038b7122055cc86dcf28f47e4ad4e649221

    SHA512

    69fdc90dfd6afb754cb0d1e9475f73519b4512642801a0bb6c1361fd3aa1d257664d7b2d4419340b19a239e44c2724deb2208d07374306ba85f2c79d2f3955e9

  • memory/1764-25-0x0000000005680000-0x00000000059D4000-memory.dmp

    Filesize

    3.3MB

  • memory/1764-87-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1764-83-0x0000000007280000-0x000000000729A000-memory.dmp

    Filesize

    104KB

  • memory/1764-49-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1764-82-0x0000000007180000-0x0000000007194000-memory.dmp

    Filesize

    80KB

  • memory/1764-78-0x0000000006FB0000-0x0000000006FBA000-memory.dmp

    Filesize

    40KB

  • memory/1764-76-0x0000000006F40000-0x0000000006F5A000-memory.dmp

    Filesize

    104KB

  • memory/1764-75-0x0000000006C60000-0x0000000006D03000-memory.dmp

    Filesize

    652KB

  • memory/1764-53-0x0000000006C20000-0x0000000006C52000-memory.dmp

    Filesize

    200KB

  • memory/1764-16-0x0000000002300000-0x0000000002336000-memory.dmp

    Filesize

    216KB

  • memory/1764-17-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1764-18-0x0000000004E70000-0x0000000005498000-memory.dmp

    Filesize

    6.2MB

  • memory/1764-19-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1764-54-0x0000000071AB0000-0x0000000071AFC000-memory.dmp

    Filesize

    304KB

  • memory/1764-64-0x00000000061F0000-0x000000000620E000-memory.dmp

    Filesize

    120KB

  • memory/1916-84-0x0000000007C50000-0x0000000007C58000-memory.dmp

    Filesize

    32KB

  • memory/1916-81-0x0000000007B60000-0x0000000007B6E000-memory.dmp

    Filesize

    56KB

  • memory/1916-21-0x0000000005560000-0x0000000005582000-memory.dmp

    Filesize

    136KB

  • memory/1916-26-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1916-88-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1916-41-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1916-65-0x0000000071AB0000-0x0000000071AFC000-memory.dmp

    Filesize

    304KB

  • memory/1916-22-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1916-24-0x0000000005FF0000-0x0000000006056000-memory.dmp

    Filesize

    408KB

  • memory/1916-80-0x0000000007B30000-0x0000000007B41000-memory.dmp

    Filesize

    68KB

  • memory/1916-79-0x0000000007BB0000-0x0000000007C46000-memory.dmp

    Filesize

    600KB

  • memory/1916-51-0x0000000006610000-0x000000000662E000-memory.dmp

    Filesize

    120KB

  • memory/1916-52-0x0000000006B40000-0x0000000006B8C000-memory.dmp

    Filesize

    304KB

  • memory/1916-23-0x0000000005600000-0x0000000005666000-memory.dmp

    Filesize

    408KB

  • memory/1916-77-0x0000000007F70000-0x00000000085EA000-memory.dmp

    Filesize

    6.5MB

  • memory/2800-6-0x00000000064A0000-0x0000000006540000-memory.dmp

    Filesize

    640KB

  • memory/2800-3-0x0000000004CA0000-0x0000000004D32000-memory.dmp

    Filesize

    584KB

  • memory/2800-10-0x00000000068A0000-0x0000000006922000-memory.dmp

    Filesize

    520KB

  • memory/2800-1-0x0000000000350000-0x00000000003EC000-memory.dmp

    Filesize

    624KB

  • memory/2800-9-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2800-8-0x000000007534E000-0x000000007534F000-memory.dmp

    Filesize

    4KB

  • memory/2800-50-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2800-11-0x0000000008F80000-0x000000000901C000-memory.dmp

    Filesize

    624KB

  • memory/2800-4-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2800-7-0x0000000005010000-0x0000000005020000-memory.dmp

    Filesize

    64KB

  • memory/2800-5-0x0000000004D60000-0x0000000004D6A000-memory.dmp

    Filesize

    40KB

  • memory/2800-0-0x000000007534E000-0x000000007534F000-memory.dmp

    Filesize

    4KB

  • memory/2800-2-0x00000000051B0000-0x0000000005754000-memory.dmp

    Filesize

    5.6MB

  • memory/5108-89-0x0000000006020000-0x0000000006070000-memory.dmp

    Filesize

    320KB

  • memory/5108-46-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB