Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-04-2024 01:21

General

  • Target

    530b019d1e22535451dbefd997a09c85eeeaa313b114c67ab67329d5fe14e8fc.exe

  • Size

    668KB

  • MD5

    1b3feb610357e53c06656f8f084b7fe8

  • SHA1

    135db2eecfdf9ec9f9a0a8ee5efe777e0f68437c

  • SHA256

    530b019d1e22535451dbefd997a09c85eeeaa313b114c67ab67329d5fe14e8fc

  • SHA512

    1773aceba4bcf0ac857a26240d63b0d700cd4a2d56e4984f3c9479653601ff737a438e97b7abc75c640c9a82665092a4d751968b9a90ac25b5f5cc6d86526ff8

  • SSDEEP

    12288:24B778Q+A/y4Zz/LQglOYiZmxjIw3jbOFu5mQf0MiZA+tlEXF4xAKkR:PB1/LMYiZ884guyN3QXF4WJ

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\530b019d1e22535451dbefd997a09c85eeeaa313b114c67ab67329d5fe14e8fc.exe
    "C:\Users\Admin\AppData\Local\Temp\530b019d1e22535451dbefd997a09c85eeeaa313b114c67ab67329d5fe14e8fc.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1356
    • 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\530b019d1e22535451dbefd997a09c85eeeaa313b114c67ab67329d5fe14e8fc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2944
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RGziIWDEowC.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4436
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RGziIWDEowC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8146.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1044
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:5080
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1692

    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

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    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

      00ebc2b80be0d3e75454120e4ecf8b03

      SHA1

      5c8ce5007e950688e9b4e3426e8ed2e544136e99

      SHA256

      c2cbaf139de7bbb22782da62cc66bb335db18f5ce11abf7ac7e99b7ca350ee98

      SHA512

      6292b8a743295aed586c1e39858d8856253c0e28b578d2d9571ed75497e598efcaf1a2a1e533308ff38defe61e6f1a6c59d037274a0732805ab7342ea06b1fa8

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wifsbabg.v31.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp8146.tmp
      Filesize

      1KB

      MD5

      3d0629ba2a8101ce4a06af539a137fed

      SHA1

      1357b3c37126dbd6a2b76527f731f886f2daa716

      SHA256

      cd92c174c38709aa18e364c4b8fe73990deb0eaabcf1ee132fab0f4d005cb90c

      SHA512

      888a22ee85c6e6a28da228bd7efb7db051657a452ed938bed6530c586c681036df855f84edd1c8cdb1086210ff1df4066d251b2f2b072cc1d4de62c00efd6447

    • memory/1356-10-0x00000000084E0000-0x000000000857C000-memory.dmp
      Filesize

      624KB

    • memory/1356-3-0x0000000004AF0000-0x0000000004B82000-memory.dmp
      Filesize

      584KB

    • memory/1356-6-0x0000000004C00000-0x0000000004C18000-memory.dmp
      Filesize

      96KB

    • memory/1356-7-0x0000000004C40000-0x0000000004C4E000-memory.dmp
      Filesize

      56KB

    • memory/1356-8-0x0000000004EB0000-0x0000000004EC6000-memory.dmp
      Filesize

      88KB

    • memory/1356-9-0x0000000005EB0000-0x0000000005F34000-memory.dmp
      Filesize

      528KB

    • memory/1356-4-0x0000000004C50000-0x0000000004C60000-memory.dmp
      Filesize

      64KB

    • memory/1356-1-0x00000000751B0000-0x0000000075960000-memory.dmp
      Filesize

      7.7MB

    • memory/1356-0-0x0000000000010000-0x00000000000BA000-memory.dmp
      Filesize

      680KB

    • memory/1356-16-0x00000000751B0000-0x0000000075960000-memory.dmp
      Filesize

      7.7MB

    • memory/1356-5-0x0000000004AB0000-0x0000000004ABA000-memory.dmp
      Filesize

      40KB

    • memory/1356-21-0x0000000004C50000-0x0000000004C60000-memory.dmp
      Filesize

      64KB

    • memory/1356-2-0x0000000005000000-0x00000000055A4000-memory.dmp
      Filesize

      5.6MB

    • memory/1356-49-0x00000000751B0000-0x0000000075960000-memory.dmp
      Filesize

      7.7MB

    • memory/1692-47-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/1692-92-0x0000000005DA0000-0x0000000005DF0000-memory.dmp
      Filesize

      320KB

    • memory/2944-17-0x0000000005190000-0x00000000057B8000-memory.dmp
      Filesize

      6.2MB

    • memory/2944-75-0x0000000007930000-0x0000000007FAA000-memory.dmp
      Filesize

      6.5MB

    • memory/2944-15-0x00000000026F0000-0x0000000002726000-memory.dmp
      Filesize

      216KB

    • memory/2944-90-0x00000000751B0000-0x0000000075960000-memory.dmp
      Filesize

      7.7MB

    • memory/2944-18-0x00000000751B0000-0x0000000075960000-memory.dmp
      Filesize

      7.7MB

    • memory/2944-42-0x0000000005A10000-0x0000000005D64000-memory.dmp
      Filesize

      3.3MB

    • memory/2944-20-0x00000000026E0000-0x00000000026F0000-memory.dmp
      Filesize

      64KB

    • memory/2944-19-0x00000000026E0000-0x00000000026F0000-memory.dmp
      Filesize

      64KB

    • memory/2944-50-0x0000000005FF0000-0x000000000600E000-memory.dmp
      Filesize

      120KB

    • memory/2944-79-0x00000000074F0000-0x0000000007501000-memory.dmp
      Filesize

      68KB

    • memory/2944-63-0x0000000007180000-0x000000000719E000-memory.dmp
      Filesize

      120KB

    • memory/2944-53-0x0000000071970000-0x00000000719BC000-memory.dmp
      Filesize

      304KB

    • memory/2944-78-0x0000000007570000-0x0000000007606000-memory.dmp
      Filesize

      600KB

    • memory/2944-77-0x0000000007360000-0x000000000736A000-memory.dmp
      Filesize

      40KB

    • memory/2944-52-0x0000000007140000-0x0000000007172000-memory.dmp
      Filesize

      200KB

    • memory/2944-76-0x00000000072F0000-0x000000000730A000-memory.dmp
      Filesize

      104KB

    • memory/4436-82-0x00000000075B0000-0x00000000075CA000-memory.dmp
      Filesize

      104KB

    • memory/4436-74-0x0000000006F30000-0x0000000006FD3000-memory.dmp
      Filesize

      652KB

    • memory/4436-64-0x0000000071970000-0x00000000719BC000-memory.dmp
      Filesize

      304KB

    • memory/4436-51-0x0000000005FF0000-0x000000000603C000-memory.dmp
      Filesize

      304KB

    • memory/4436-80-0x00000000074A0000-0x00000000074AE000-memory.dmp
      Filesize

      56KB

    • memory/4436-81-0x00000000074B0000-0x00000000074C4000-memory.dmp
      Filesize

      80KB

    • memory/4436-26-0x0000000005810000-0x0000000005876000-memory.dmp
      Filesize

      408KB

    • memory/4436-83-0x0000000007590000-0x0000000007598000-memory.dmp
      Filesize

      32KB

    • memory/4436-23-0x0000000004BA0000-0x0000000004BB0000-memory.dmp
      Filesize

      64KB

    • memory/4436-22-0x00000000751B0000-0x0000000075960000-memory.dmp
      Filesize

      7.7MB

    • memory/4436-89-0x00000000751B0000-0x0000000075960000-memory.dmp
      Filesize

      7.7MB

    • memory/4436-24-0x0000000005070000-0x0000000005092000-memory.dmp
      Filesize

      136KB

    • memory/4436-25-0x0000000005110000-0x0000000005176000-memory.dmp
      Filesize

      408KB