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Analysis

  • max time kernel
    140s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/09/2023, 16:44

General

  • Target

    e8c89752942b8011820e9d04753700eb70f77a8701796ef7e826399cf889f9ec_JC.exe

  • Size

    565KB

  • MD5

    21cd38786ccaee7305123707ced27f43

  • SHA1

    f594e2f6ec6f8a93542bacfb244c36705086af1f

  • SHA256

    e8c89752942b8011820e9d04753700eb70f77a8701796ef7e826399cf889f9ec

  • SHA512

    933f58794d04ecb59216b41e2a809b670a6e83e89d4f8c8a636868614b4f38158c926613736e9cca52be4b7376d54aedf7e9dbd529e169b6ffbfbf5101088c63

  • SSDEEP

    12288:eULPObnA36hOdWkXyoceEfP0bTqLpiXUhYOapXcl6kpd2rH:3LP+DOXyoQ0bTqLbhNjpd

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 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e8c89752942b8011820e9d04753700eb70f77a8701796ef7e826399cf889f9ec_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\e8c89752942b8011820e9d04753700eb70f77a8701796ef7e826399cf889f9ec_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1880
    • 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\e8c89752942b8011820e9d04753700eb70f77a8701796ef7e826399cf889f9ec_JC.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1804
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qzGnEvZffauf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4160
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qzGnEvZffauf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp67CD.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1572
    • C:\Users\Admin\AppData\Local\Temp\e8c89752942b8011820e9d04753700eb70f77a8701796ef7e826399cf889f9ec_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\e8c89752942b8011820e9d04753700eb70f77a8701796ef7e826399cf889f9ec_JC.exe"
      2⤵
        PID:2596
      • C:\Users\Admin\AppData\Local\Temp\e8c89752942b8011820e9d04753700eb70f77a8701796ef7e826399cf889f9ec_JC.exe
        "C:\Users\Admin\AppData\Local\Temp\e8c89752942b8011820e9d04753700eb70f77a8701796ef7e826399cf889f9ec_JC.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3772

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      eeb1fd4bee8603eb96b6a55361609d66

      SHA1

      281842b26aabab50bb5351023c921196cc31c64f

      SHA256

      284fa56e37f71bed1b064ceba341c2b21868c019ff4399b4a188b1669f60ac67

      SHA512

      c053f6786cc96810d87ea1e88bfcb3739a2af2ffbc2df7f5ca222815c1cd9d31c05d479a1b817c0e7aeec69d9aa3212c7f7d0b292d155c570e87c6e9f09ee3ea

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ths0djus.eff.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp67CD.tmp

      Filesize

      1KB

      MD5

      799f52cbf24563ff60ec5f89b2b06287

      SHA1

      b8cb4686e4ea0bb4d78d9deb1c46d9a5a61264ce

      SHA256

      a24206c4a1b3a02e9c13833bf1359902515273c728731126746709e7c7fc50dd

      SHA512

      29aa7119f77414d9b211e7a0f844b73db4b3fa1b46ed55c4fcf4781f46d917186bc6f4d1b22ffdffb9be4482677556019e91b7de06c3dcb3b0120d57ccb1c2b5

    • memory/1804-35-0x00000000061E0000-0x0000000006246000-memory.dmp

      Filesize

      408KB

    • memory/1804-86-0x0000000007F10000-0x0000000007F18000-memory.dmp

      Filesize

      32KB

    • memory/1804-52-0x000000007F6D0000-0x000000007F6E0000-memory.dmp

      Filesize

      64KB

    • memory/1804-53-0x0000000075210000-0x000000007525C000-memory.dmp

      Filesize

      304KB

    • memory/1804-49-0x0000000005470000-0x0000000005480000-memory.dmp

      Filesize

      64KB

    • memory/1804-50-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/1804-14-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/1804-13-0x0000000005300000-0x0000000005336000-memory.dmp

      Filesize

      216KB

    • memory/1804-15-0x0000000005470000-0x0000000005480000-memory.dmp

      Filesize

      64KB

    • memory/1804-93-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/1804-76-0x0000000007BF0000-0x0000000007C0A000-memory.dmp

      Filesize

      104KB

    • memory/1804-17-0x0000000005470000-0x0000000005480000-memory.dmp

      Filesize

      64KB

    • memory/1804-43-0x0000000006520000-0x0000000006586000-memory.dmp

      Filesize

      408KB

    • memory/1804-78-0x0000000005470000-0x0000000005480000-memory.dmp

      Filesize

      64KB

    • memory/1804-85-0x0000000007F30000-0x0000000007F4A000-memory.dmp

      Filesize

      104KB

    • memory/1804-83-0x0000000005470000-0x0000000005480000-memory.dmp

      Filesize

      64KB

    • memory/1804-65-0x0000000006EB0000-0x0000000006ECE000-memory.dmp

      Filesize

      120KB

    • memory/1880-1-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/1880-0-0x0000000000050000-0x00000000000E2000-memory.dmp

      Filesize

      584KB

    • memory/1880-4-0x0000000004CD0000-0x0000000004CE0000-memory.dmp

      Filesize

      64KB

    • memory/1880-2-0x0000000004FC0000-0x0000000005564000-memory.dmp

      Filesize

      5.6MB

    • memory/1880-46-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/1880-3-0x0000000004AC0000-0x0000000004B52000-memory.dmp

      Filesize

      584KB

    • memory/1880-8-0x0000000004CD0000-0x0000000004CE0000-memory.dmp

      Filesize

      64KB

    • memory/1880-7-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/1880-6-0x0000000004DD0000-0x0000000004E6C000-memory.dmp

      Filesize

      624KB

    • memory/1880-5-0x0000000004B80000-0x0000000004B8A000-memory.dmp

      Filesize

      40KB

    • memory/3772-80-0x0000000006580000-0x00000000065D0000-memory.dmp

      Filesize

      320KB

    • memory/3772-45-0x0000000005610000-0x0000000005620000-memory.dmp

      Filesize

      64KB

    • memory/3772-95-0x0000000005610000-0x0000000005620000-memory.dmp

      Filesize

      64KB

    • memory/3772-94-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/3772-21-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/3772-81-0x00000000067A0000-0x0000000006962000-memory.dmp

      Filesize

      1.8MB

    • memory/3772-29-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/4160-47-0x0000000006580000-0x000000000659E000-memory.dmp

      Filesize

      120KB

    • memory/4160-20-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/4160-79-0x0000000007B30000-0x0000000007BC6000-memory.dmp

      Filesize

      600KB

    • memory/4160-64-0x000000007FC50000-0x000000007FC60000-memory.dmp

      Filesize

      64KB

    • memory/4160-75-0x0000000007FD0000-0x000000000864A000-memory.dmp

      Filesize

      6.5MB

    • memory/4160-82-0x0000000005060000-0x0000000005070000-memory.dmp

      Filesize

      64KB

    • memory/4160-48-0x0000000005060000-0x0000000005070000-memory.dmp

      Filesize

      64KB

    • memory/4160-84-0x0000000007AD0000-0x0000000007ADE000-memory.dmp

      Filesize

      56KB

    • memory/4160-22-0x0000000005D10000-0x0000000005D32000-memory.dmp

      Filesize

      136KB

    • memory/4160-77-0x0000000007700000-0x000000000770A000-memory.dmp

      Filesize

      40KB

    • memory/4160-87-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/4160-88-0x0000000005060000-0x0000000005070000-memory.dmp

      Filesize

      64KB

    • memory/4160-19-0x00000000056A0000-0x0000000005CC8000-memory.dmp

      Filesize

      6.2MB

    • memory/4160-92-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/4160-16-0x0000000005060000-0x0000000005070000-memory.dmp

      Filesize

      64KB

    • memory/4160-51-0x0000000006B50000-0x0000000006B82000-memory.dmp

      Filesize

      200KB

    • memory/4160-54-0x0000000075210000-0x000000007525C000-memory.dmp

      Filesize

      304KB