Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    77s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2023, 15:46

General

  • Target

    e-dekont-20230303-0.pdf.exe

  • Size

    915KB

  • MD5

    b317c7d7a4511fdfbae78b7cb0ca4320

  • SHA1

    df8eff48a498fa3550e1c60395c5204dba7cbad5

  • SHA256

    8197e71791a36b364c735addbf05c9533530aae40f1c4d124d7ed098705d2a2f

  • SHA512

    d34a9fc75aa5a1cb3f539630bc6c17299036e1b3e59551769e27eef7479165eadb44036e579db9febf12083111d2c54ac971fff036fa24b72dbf5edb2dfa5906

  • SSDEEP

    24576:H1Qwe3cOQ8Q8+2QI08eFnuVI25ZMsRo+b:HBuQ8+2Q6eFnAI2XRo

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5927276382:AAGhv1qf5Km1S52KrhPWDYFsGXK2Gr_4T7I/

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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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). Likely ransomware behaviour.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e-dekont-20230303-0.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\e-dekont-20230303-0.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vrlaJIXKkDK.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1508
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vrlaJIXKkDK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5851.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3292
    • C:\Users\Admin\AppData\Local\Temp\e-dekont-20230303-0.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\e-dekont-20230303-0.pdf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:456

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vjy2evi0.3u4.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp5851.tmp

    Filesize

    1KB

    MD5

    192bc20c87b56d57f279906ee6b96922

    SHA1

    d27301639efaa40e7d4a09823d9d4c250378b479

    SHA256

    d3374fa9a0a2c70f92015d5ef02717b73e77147af62de776c00a410ed66ba705

    SHA512

    b820d02ce030705c3439b617f40c6a21a640cf26dbc32bc1458a06793d30d0f0d07db6db33490765b7bc40a52009f79a3082f3c38fbae34d4a4cb139534ed6df

  • memory/456-200-0x0000000005670000-0x0000000005680000-memory.dmp

    Filesize

    64KB

  • memory/456-189-0x0000000007120000-0x00000000072E2000-memory.dmp

    Filesize

    1.8MB

  • memory/456-187-0x0000000006F00000-0x0000000006F50000-memory.dmp

    Filesize

    320KB

  • memory/456-164-0x0000000005670000-0x0000000005680000-memory.dmp

    Filesize

    64KB

  • memory/456-154-0x0000000005400000-0x0000000005466000-memory.dmp

    Filesize

    408KB

  • memory/456-149-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1508-165-0x0000000005510000-0x0000000005520000-memory.dmp

    Filesize

    64KB

  • memory/1508-186-0x0000000007E70000-0x0000000007F06000-memory.dmp

    Filesize

    600KB

  • memory/1508-150-0x0000000005B50000-0x0000000006178000-memory.dmp

    Filesize

    6.2MB

  • memory/1508-152-0x0000000005930000-0x0000000005952000-memory.dmp

    Filesize

    136KB

  • memory/1508-153-0x0000000006230000-0x0000000006296000-memory.dmp

    Filesize

    408KB

  • memory/1508-197-0x0000000007F10000-0x0000000007F18000-memory.dmp

    Filesize

    32KB

  • memory/1508-196-0x0000000007F30000-0x0000000007F4A000-memory.dmp

    Filesize

    104KB

  • memory/1508-188-0x0000000007E20000-0x0000000007E2E000-memory.dmp

    Filesize

    56KB

  • memory/1508-147-0x0000000002FD0000-0x0000000003006000-memory.dmp

    Filesize

    216KB

  • memory/1508-166-0x0000000005510000-0x0000000005520000-memory.dmp

    Filesize

    64KB

  • memory/1508-167-0x00000000068F0000-0x000000000690E000-memory.dmp

    Filesize

    120KB

  • memory/1508-168-0x0000000005510000-0x0000000005520000-memory.dmp

    Filesize

    64KB

  • memory/1508-169-0x0000000006EB0000-0x0000000006EE2000-memory.dmp

    Filesize

    200KB

  • memory/1508-170-0x0000000070400000-0x000000007044C000-memory.dmp

    Filesize

    304KB

  • memory/1508-180-0x0000000006E90000-0x0000000006EAE000-memory.dmp

    Filesize

    120KB

  • memory/1508-181-0x000000007F050000-0x000000007F060000-memory.dmp

    Filesize

    64KB

  • memory/1508-182-0x0000000008240000-0x00000000088BA000-memory.dmp

    Filesize

    6.5MB

  • memory/1508-183-0x0000000007BF0000-0x0000000007C0A000-memory.dmp

    Filesize

    104KB

  • memory/1508-184-0x0000000007C60000-0x0000000007C6A000-memory.dmp

    Filesize

    40KB

  • memory/1752-136-0x0000000000F40000-0x000000000102C000-memory.dmp

    Filesize

    944KB

  • memory/1752-139-0x0000000005880000-0x000000000588A000-memory.dmp

    Filesize

    40KB

  • memory/1752-140-0x0000000005B10000-0x0000000005BAC000-memory.dmp

    Filesize

    624KB

  • memory/1752-138-0x00000000058B0000-0x0000000005942000-memory.dmp

    Filesize

    584KB

  • memory/1752-141-0x0000000005A00000-0x0000000005A10000-memory.dmp

    Filesize

    64KB

  • memory/1752-142-0x0000000005A00000-0x0000000005A10000-memory.dmp

    Filesize

    64KB

  • memory/1752-137-0x0000000005DC0000-0x0000000006364000-memory.dmp

    Filesize

    5.6MB