Analysis

  • max time kernel
    67s
  • max time network
    53s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-04-2024 09:37

General

  • Target

    SOA FEB to MAR 2024.exe

  • Size

    836KB

  • MD5

    28e8f4098b5d13326674b51aab58d055

  • SHA1

    6635fa0024bfebfe5bd67e3c0cce5452e3c9b684

  • SHA256

    d5bc04d04a04dc446c372f8f793f18c0cb8d45ba1ae5a817f4314a177fc8d7cc

  • SHA512

    41669163544ed0e5164b1af023b3a2e7c16f32e5e5e6ee68b252dae172c3e574eda8e082ceab5709a63ba279063b904ba8f3fc519fd247ccb4253db3cf7ffb36

  • SSDEEP

    12288:CZqnHvjNIrpf9rN/mc/CFvzstbLM2XS3uxsM6AgKH2e3ZFzJnbP93xE6DlI50Xze:C0PjKr5BNDHbzDx3VgYJjh2OlLze

Malware Config

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SOA FEB to MAR 2024.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA FEB to MAR 2024.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4200
    • 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\SOA FEB to MAR 2024.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5000
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JICwPVw.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3960
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JICwPVw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6FF0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2868
    • C:\Users\Admin\AppData\Local\Temp\SOA FEB to MAR 2024.exe
      "C:\Users\Admin\AppData\Local\Temp\SOA FEB to MAR 2024.exe"
      2⤵
        PID:1544
      • C:\Users\Admin\AppData\Local\Temp\SOA FEB to MAR 2024.exe
        "C:\Users\Admin\AppData\Local\Temp\SOA FEB to MAR 2024.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2128

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scheduled Task/Job

    1
    T1053

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Scheduled Task/Job

    1
    T1053

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Unsecured Credentials

    4
    T1552

    Credentials In Files

    3
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    4
    T1005

    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

      1791541d55941a71f14ae9f1ecd429f4

      SHA1

      f879b37ca45f124533f658a6c2d90fd8a81bae4f

      SHA256

      d6bedb2ce25c23a2f0897b4f00a8933900a05e250e1158e9558233f3ed447cb3

      SHA512

      a8019cb060c16eb11e413ee7adab0875abb9c36b9970b1b88fef5e94d50660c2fe6f720d9e58fec752d07f8fbbbca9ccfd596ef4a6e057b77f59a01c2048ebda

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_53rkwazh.olp.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp6FF0.tmp
      Filesize

      1KB

      MD5

      af44ed476455b9c260fdfc5e657c0ebe

      SHA1

      ca7916f1b92bab802627ca320b6671c463ac9fbc

      SHA256

      0ec7e62798587612c1f00cf7c974d8f2b76c8744cb5095011a02a9832fb3ad12

      SHA512

      89a1b88ebd04ab10532f8cdb0e5b953ae181e5c3153691491f0418aa20e9313de6158c21236945bea76f0709eec724f1266453e69a4ad301532229d2c3ecff52

    • memory/2128-90-0x0000000006FA0000-0x0000000006FF0000-memory.dmp
      Filesize

      320KB

    • memory/2128-42-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/3960-74-0x0000000007510000-0x000000000752A000-memory.dmp
      Filesize

      104KB

    • memory/3960-23-0x0000000005230000-0x0000000005252000-memory.dmp
      Filesize

      136KB

    • memory/3960-50-0x0000000007170000-0x00000000071A2000-memory.dmp
      Filesize

      200KB

    • memory/3960-51-0x00000000751D0000-0x000000007521C000-memory.dmp
      Filesize

      304KB

    • memory/3960-61-0x0000000007150000-0x000000000716E000-memory.dmp
      Filesize

      120KB

    • memory/3960-88-0x0000000074920000-0x00000000750D0000-memory.dmp
      Filesize

      7.7MB

    • memory/3960-73-0x0000000007B50000-0x00000000081CA000-memory.dmp
      Filesize

      6.5MB

    • memory/3960-20-0x0000000005050000-0x0000000005060000-memory.dmp
      Filesize

      64KB

    • memory/3960-19-0x0000000005050000-0x0000000005060000-memory.dmp
      Filesize

      64KB

    • memory/3960-21-0x0000000074920000-0x00000000750D0000-memory.dmp
      Filesize

      7.7MB

    • memory/3960-77-0x0000000007710000-0x0000000007721000-memory.dmp
      Filesize

      68KB

    • memory/3960-40-0x0000000005CC0000-0x0000000006014000-memory.dmp
      Filesize

      3.3MB

    • memory/3960-24-0x00000000053D0000-0x0000000005436000-memory.dmp
      Filesize

      408KB

    • memory/3960-68-0x00000000073C0000-0x0000000007463000-memory.dmp
      Filesize

      652KB

    • memory/3960-25-0x00000000054F0000-0x0000000005556000-memory.dmp
      Filesize

      408KB

    • memory/4200-6-0x0000000005EB0000-0x0000000005ED0000-memory.dmp
      Filesize

      128KB

    • memory/4200-5-0x0000000004E00000-0x0000000004E0A000-memory.dmp
      Filesize

      40KB

    • memory/4200-7-0x0000000006050000-0x0000000006064000-memory.dmp
      Filesize

      80KB

    • memory/4200-4-0x0000000004E10000-0x0000000004E20000-memory.dmp
      Filesize

      64KB

    • memory/4200-47-0x0000000074920000-0x00000000750D0000-memory.dmp
      Filesize

      7.7MB

    • memory/4200-3-0x0000000004C50000-0x0000000004CE2000-memory.dmp
      Filesize

      584KB

    • memory/4200-2-0x0000000005200000-0x00000000057A4000-memory.dmp
      Filesize

      5.6MB

    • memory/4200-1-0x0000000074920000-0x00000000750D0000-memory.dmp
      Filesize

      7.7MB

    • memory/4200-9-0x000000000BC50000-0x000000000BCEC000-memory.dmp
      Filesize

      624KB

    • memory/4200-8-0x0000000008B30000-0x0000000008BB4000-memory.dmp
      Filesize

      528KB

    • memory/4200-0-0x00000000001D0000-0x00000000002A4000-memory.dmp
      Filesize

      848KB

    • memory/5000-17-0x0000000002850000-0x0000000002860000-memory.dmp
      Filesize

      64KB

    • memory/5000-62-0x00000000751D0000-0x000000007521C000-memory.dmp
      Filesize

      304KB

    • memory/5000-49-0x00000000066A0000-0x00000000066EC000-memory.dmp
      Filesize

      304KB

    • memory/5000-75-0x00000000074D0000-0x00000000074DA000-memory.dmp
      Filesize

      40KB

    • memory/5000-76-0x00000000076E0000-0x0000000007776000-memory.dmp
      Filesize

      600KB

    • memory/5000-48-0x0000000006140000-0x000000000615E000-memory.dmp
      Filesize

      120KB

    • memory/5000-78-0x0000000007690000-0x000000000769E000-memory.dmp
      Filesize

      56KB

    • memory/5000-79-0x00000000076A0000-0x00000000076B4000-memory.dmp
      Filesize

      80KB

    • memory/5000-80-0x00000000077A0000-0x00000000077BA000-memory.dmp
      Filesize

      104KB

    • memory/5000-81-0x0000000007780000-0x0000000007788000-memory.dmp
      Filesize

      32KB

    • memory/5000-18-0x0000000002850000-0x0000000002860000-memory.dmp
      Filesize

      64KB

    • memory/5000-16-0x0000000074920000-0x00000000750D0000-memory.dmp
      Filesize

      7.7MB

    • memory/5000-87-0x0000000074920000-0x00000000750D0000-memory.dmp
      Filesize

      7.7MB

    • memory/5000-15-0x00000000052A0000-0x00000000058C8000-memory.dmp
      Filesize

      6.2MB

    • memory/5000-14-0x0000000002800000-0x0000000002836000-memory.dmp
      Filesize

      216KB