Analysis

  • max time kernel
    94s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2024, 11:15

General

  • Target

    PO-24-0146.exe

  • Size

    635KB

  • MD5

    97a1f463d7892e916c06e18e772be8ea

  • SHA1

    a9b8899a1f18739f90be637c4c9e5969a3bad0f8

  • SHA256

    4d71dea7fedeac5da79730368e3e524f82efcfa368293651bf6c0bb0e423eb8c

  • SHA512

    ea6c51f72491ea7bebe2c8ee19d6672a83c946e9d7d564fc512d9e6a08055bc4728b0f08b135641622d8e4bbcd05f2b912418aed75302460367f311e47fe98ad

  • SSDEEP

    12288:ZtsZcDt2CkcMtutKe6KJnl0umT4aRZbzXBRb9ZPD4:MMofluLzmTLPPD4

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.issltd.org
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    iss123

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2252
    • 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-24-0146.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2200
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jIlwbG.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4016
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jIlwbG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6CC4.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1280
    • C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe
      "C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2104

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        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

          c931bc125cbdee6cd358f7c4708f9181

          SHA1

          9431240e52e69859e360eae5d74af8579d05151e

          SHA256

          6c9748198d6d5538406678dfcc736b38480ec228f12bb72440184d7137c2ba52

          SHA512

          a2e768dc8a9df2ec938b37baf5402b30457231de1ff4f3a18c84d97fb79572cb471da21f4e819a7c7701a66a0e3b49bd40fc266d56d268e394ce82052cb70625

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2xm5e523.5df.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmp6CC4.tmp

          Filesize

          1KB

          MD5

          e6d15629b813bef83bb0a0289c40099d

          SHA1

          b28bda52f0cfb635c27685168865454ed718e486

          SHA256

          5879503778feeb4b6f8ce8d52c46cc7b746be704b68310b42aadb6a7c14b32e0

          SHA512

          a556bdb729828a77dc4e9fb2b0ed1cd738b468a3f7258cbef0f7e57842d9fe7b5e69e3202260b257f579024a5c76bebf384407d08e9d47c5b15cb9b45e57369a

        • memory/2104-99-0x0000000074BD0000-0x0000000075380000-memory.dmp

          Filesize

          7.7MB

        • memory/2104-86-0x0000000006E10000-0x0000000006E60000-memory.dmp

          Filesize

          320KB

        • memory/2104-49-0x00000000056C0000-0x00000000056D0000-memory.dmp

          Filesize

          64KB

        • memory/2104-48-0x0000000074BD0000-0x0000000075380000-memory.dmp

          Filesize

          7.7MB

        • memory/2104-35-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2200-51-0x0000000006340000-0x000000000635E000-memory.dmp

          Filesize

          120KB

        • memory/2200-30-0x00000000053A0000-0x0000000005406000-memory.dmp

          Filesize

          408KB

        • memory/2200-15-0x0000000002A50000-0x0000000002A86000-memory.dmp

          Filesize

          216KB

        • memory/2200-16-0x0000000074BD0000-0x0000000075380000-memory.dmp

          Filesize

          7.7MB

        • memory/2200-17-0x0000000002AE0000-0x0000000002AF0000-memory.dmp

          Filesize

          64KB

        • memory/2200-18-0x0000000005500000-0x0000000005B28000-memory.dmp

          Filesize

          6.2MB

        • memory/2200-79-0x0000000002AE0000-0x0000000002AF0000-memory.dmp

          Filesize

          64KB

        • memory/2200-77-0x0000000002AE0000-0x0000000002AF0000-memory.dmp

          Filesize

          64KB

        • memory/2200-98-0x0000000074BD0000-0x0000000075380000-memory.dmp

          Filesize

          7.7MB

        • memory/2200-78-0x0000000007360000-0x0000000007403000-memory.dmp

          Filesize

          652KB

        • memory/2200-67-0x000000007EEB0000-0x000000007EEC0000-memory.dmp

          Filesize

          64KB

        • memory/2200-83-0x0000000007710000-0x000000000771A000-memory.dmp

          Filesize

          40KB

        • memory/2200-66-0x0000000007340000-0x000000000735E000-memory.dmp

          Filesize

          120KB

        • memory/2200-84-0x0000000007920000-0x00000000079B6000-memory.dmp

          Filesize

          600KB

        • memory/2200-90-0x00000000079C0000-0x00000000079C8000-memory.dmp

          Filesize

          32KB

        • memory/2200-81-0x0000000007CE0000-0x000000000835A000-memory.dmp

          Filesize

          6.5MB

        • memory/2200-54-0x0000000075470000-0x00000000754BC000-memory.dmp

          Filesize

          304KB

        • memory/2200-52-0x0000000006400000-0x000000000644C000-memory.dmp

          Filesize

          304KB

        • memory/2252-7-0x0000000005A40000-0x0000000005A4A000-memory.dmp

          Filesize

          40KB

        • memory/2252-5-0x0000000005790000-0x000000000579A000-memory.dmp

          Filesize

          40KB

        • memory/2252-0-0x0000000000CE0000-0x0000000000D86000-memory.dmp

          Filesize

          664KB

        • memory/2252-6-0x0000000005910000-0x0000000005924000-memory.dmp

          Filesize

          80KB

        • memory/2252-46-0x0000000074BD0000-0x0000000075380000-memory.dmp

          Filesize

          7.7MB

        • memory/2252-4-0x0000000005920000-0x0000000005930000-memory.dmp

          Filesize

          64KB

        • memory/2252-50-0x0000000074BD0000-0x0000000075380000-memory.dmp

          Filesize

          7.7MB

        • memory/2252-10-0x0000000006D00000-0x0000000006D9C000-memory.dmp

          Filesize

          624KB

        • memory/2252-8-0x0000000005C60000-0x0000000005C6C000-memory.dmp

          Filesize

          48KB

        • memory/2252-3-0x00000000057A0000-0x0000000005832000-memory.dmp

          Filesize

          584KB

        • memory/2252-2-0x0000000005CB0000-0x0000000006254000-memory.dmp

          Filesize

          5.6MB

        • memory/2252-1-0x0000000074BD0000-0x0000000075380000-memory.dmp

          Filesize

          7.7MB

        • memory/2252-9-0x0000000006A70000-0x0000000006AF2000-memory.dmp

          Filesize

          520KB

        • memory/4016-24-0x0000000006200000-0x0000000006266000-memory.dmp

          Filesize

          408KB

        • memory/4016-82-0x0000000007C00000-0x0000000007C1A000-memory.dmp

          Filesize

          104KB

        • memory/4016-80-0x0000000003060000-0x0000000003070000-memory.dmp

          Filesize

          64KB

        • memory/4016-56-0x0000000075470000-0x00000000754BC000-memory.dmp

          Filesize

          304KB

        • memory/4016-55-0x000000007F170000-0x000000007F180000-memory.dmp

          Filesize

          64KB

        • memory/4016-85-0x0000000007E00000-0x0000000007E11000-memory.dmp

          Filesize

          68KB

        • memory/4016-53-0x0000000007850000-0x0000000007882000-memory.dmp

          Filesize

          200KB

        • memory/4016-87-0x0000000007E30000-0x0000000007E3E000-memory.dmp

          Filesize

          56KB

        • memory/4016-88-0x0000000007E40000-0x0000000007E54000-memory.dmp

          Filesize

          80KB

        • memory/4016-89-0x0000000007F40000-0x0000000007F5A000-memory.dmp

          Filesize

          104KB

        • memory/4016-36-0x00000000063E0000-0x0000000006734000-memory.dmp

          Filesize

          3.3MB

        • memory/4016-21-0x0000000005920000-0x0000000005942000-memory.dmp

          Filesize

          136KB

        • memory/4016-22-0x0000000003060000-0x0000000003070000-memory.dmp

          Filesize

          64KB

        • memory/4016-97-0x0000000074BD0000-0x0000000075380000-memory.dmp

          Filesize

          7.7MB

        • memory/4016-23-0x0000000003060000-0x0000000003070000-memory.dmp

          Filesize

          64KB

        • memory/4016-19-0x0000000074BD0000-0x0000000075380000-memory.dmp

          Filesize

          7.7MB