Analysis

  • max time kernel
    92s
  • max time network
    94s
  • 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 15:54

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:3760
    • 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:5040
    • 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:3924
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OWwqxnskD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB892.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:348
    • 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:1668

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\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

    65f290fcd2738248cb2af2eb74121b7d

    SHA1

    1486f34ea2d530c42e89661bec11d5ad0b93f1c6

    SHA256

    5ab3a4857d07ed4102306f886d8dc7d1b6775eeb7fea81d89dfc56fbb140d408

    SHA512

    e7211dda05d2374ea1df72578360e2fd2ca491a9ccc30ed841d6f030422a2f19e50cb95acb57b65446663c2f56c0158b048fcfd7705fe4dde92d69dab840c3c5

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5tqocwi0.xgg.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpB892.tmp

    Filesize

    1KB

    MD5

    7c55854cc7f23962547c5bb0b42c7e28

    SHA1

    698529069fa27ffb94610d449f74d6649e2fd989

    SHA256

    193dd6dafd1d29a19f259f9d43247c46e9f99a449071a44c40d8ce3a916a0d13

    SHA512

    0b0efbdbbfa6d79b6d13dbdba6714fcbed536ca9767d7e170d744ff476309c0c1e04892926b8395417b419bd3f258172aa4a57535b9cafacfc0fe609d5d64e39

  • memory/1668-91-0x00000000060A0000-0x00000000060F0000-memory.dmp

    Filesize

    320KB

  • memory/1668-46-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3760-5-0x0000000074D30000-0x00000000754E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3760-8-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

    Filesize

    4KB

  • memory/3760-9-0x0000000074D30000-0x00000000754E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3760-10-0x0000000006B70000-0x0000000006BF2000-memory.dmp

    Filesize

    520KB

  • memory/3760-11-0x0000000009210000-0x00000000092AC000-memory.dmp

    Filesize

    624KB

  • memory/3760-0-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

    Filesize

    4KB

  • memory/3760-7-0x0000000005120000-0x0000000005130000-memory.dmp

    Filesize

    64KB

  • memory/3760-49-0x0000000074D30000-0x00000000754E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3760-6-0x0000000006820000-0x00000000068C0000-memory.dmp

    Filesize

    640KB

  • memory/3760-4-0x0000000005050000-0x000000000505A000-memory.dmp

    Filesize

    40KB

  • memory/3760-3-0x0000000004FA0000-0x0000000005032000-memory.dmp

    Filesize

    584KB

  • memory/3760-2-0x0000000005630000-0x0000000005BD4000-memory.dmp

    Filesize

    5.6MB

  • memory/3760-1-0x0000000000530000-0x00000000005CC000-memory.dmp

    Filesize

    624KB

  • memory/3924-90-0x0000000074D30000-0x00000000754E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3924-77-0x0000000006F70000-0x0000000006F7A000-memory.dmp

    Filesize

    40KB

  • memory/3924-78-0x0000000007180000-0x0000000007216000-memory.dmp

    Filesize

    600KB

  • memory/3924-44-0x0000000074D30000-0x00000000754E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3924-45-0x0000000074D30000-0x00000000754E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3924-32-0x0000000074D30000-0x00000000754E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3924-80-0x0000000007130000-0x000000000713E000-memory.dmp

    Filesize

    56KB

  • memory/3924-52-0x0000000006BA0000-0x0000000006BD2000-memory.dmp

    Filesize

    200KB

  • memory/3924-74-0x0000000006DE0000-0x0000000006E83000-memory.dmp

    Filesize

    652KB

  • memory/3924-73-0x00000000061B0000-0x00000000061CE000-memory.dmp

    Filesize

    120KB

  • memory/3924-53-0x0000000075590000-0x00000000755DC000-memory.dmp

    Filesize

    304KB

  • memory/5040-16-0x0000000002DE0000-0x0000000002E16000-memory.dmp

    Filesize

    216KB

  • memory/5040-63-0x0000000075590000-0x00000000755DC000-memory.dmp

    Filesize

    304KB

  • memory/5040-51-0x0000000006840000-0x000000000688C000-memory.dmp

    Filesize

    304KB

  • memory/5040-50-0x00000000066E0000-0x00000000066FE000-memory.dmp

    Filesize

    120KB

  • memory/5040-75-0x0000000008040000-0x00000000086BA000-memory.dmp

    Filesize

    6.5MB

  • memory/5040-76-0x0000000007A00000-0x0000000007A1A000-memory.dmp

    Filesize

    104KB

  • memory/5040-43-0x00000000060A0000-0x00000000063F4000-memory.dmp

    Filesize

    3.3MB

  • memory/5040-21-0x00000000056C0000-0x0000000005726000-memory.dmp

    Filesize

    408KB

  • memory/5040-79-0x0000000007C00000-0x0000000007C11000-memory.dmp

    Filesize

    68KB

  • memory/5040-22-0x0000000005730000-0x0000000005796000-memory.dmp

    Filesize

    408KB

  • memory/5040-81-0x0000000007C40000-0x0000000007C54000-memory.dmp

    Filesize

    80KB

  • memory/5040-82-0x0000000007D40000-0x0000000007D5A000-memory.dmp

    Filesize

    104KB

  • memory/5040-83-0x0000000007D20000-0x0000000007D28000-memory.dmp

    Filesize

    32KB

  • memory/5040-20-0x0000000005620000-0x0000000005642000-memory.dmp

    Filesize

    136KB

  • memory/5040-19-0x0000000074D30000-0x00000000754E0000-memory.dmp

    Filesize

    7.7MB

  • memory/5040-89-0x0000000074D30000-0x00000000754E0000-memory.dmp

    Filesize

    7.7MB

  • memory/5040-17-0x0000000005930000-0x0000000005F58000-memory.dmp

    Filesize

    6.2MB

  • memory/5040-18-0x0000000074D30000-0x00000000754E0000-memory.dmp

    Filesize

    7.7MB