Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2023 03:28

General

  • Target

    6b738e452987595797cf0fa65d60a4ba63c8e4764ba14147482b63e83cd5a09a.exe

  • Size

    696KB

  • MD5

    6398bb02b34145165929c3d2fe2f5bbc

  • SHA1

    aeacaf10db684de9409c1c9a189ef6b2a5e96c6e

  • SHA256

    6b738e452987595797cf0fa65d60a4ba63c8e4764ba14147482b63e83cd5a09a

  • SHA512

    7b8eadb6b752ef7698a903fbfcdcd1476f72c54b07abce5a226899c3b20c8780cf4335c6d20c3d9697d041be7c7ba6359801716e06634b4eafbf82e4840a7f43

  • SSDEEP

    12288:9Ul5nF8SUb4YSlZFg0snznRwKQLM3Fe4M4t9lbXOAhH1pJdO8jCf/x4dqrlbZnK:ylubyZsn7Z3PM4t9xhL6HxHhbZnK

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b738e452987595797cf0fa65d60a4ba63c8e4764ba14147482b63e83cd5a09a.exe
    "C:\Users\Admin\AppData\Local\Temp\6b738e452987595797cf0fa65d60a4ba63c8e4764ba14147482b63e83cd5a09a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BxDkKUxr.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3060
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BxDkKUxr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5976.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2172
    • C:\Users\Admin\AppData\Local\Temp\6b738e452987595797cf0fa65d60a4ba63c8e4764ba14147482b63e83cd5a09a.exe
      "C:\Users\Admin\AppData\Local\Temp\6b738e452987595797cf0fa65d60a4ba63c8e4764ba14147482b63e83cd5a09a.exe"
      2⤵
        PID:2672
      • C:\Users\Admin\AppData\Local\Temp\6b738e452987595797cf0fa65d60a4ba63c8e4764ba14147482b63e83cd5a09a.exe
        "C:\Users\Admin\AppData\Local\Temp\6b738e452987595797cf0fa65d60a4ba63c8e4764ba14147482b63e83cd5a09a.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2688

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp5976.tmp

      Filesize

      1KB

      MD5

      a4059a487b12d68c9c3c7797403e46e9

      SHA1

      8bb5079aac73fb057156a0e4d1fb1cdadbb1c001

      SHA256

      3ffb7abf571ebe9245c8ab145971f792d0c816f90239afd7305f38c0168ab922

      SHA512

      0396bef34142902614152322c9a0ed81c6427028f841f2b1813fbd78e52d8284c7f8479ffcfe443fd8c1f5f628dc14a9deb89a60e2a49a00b3f46f0ff10ce4f1

    • memory/1740-25-0x0000000074D90000-0x000000007547E000-memory.dmp

      Filesize

      6.9MB

    • memory/1740-1-0x0000000074D90000-0x000000007547E000-memory.dmp

      Filesize

      6.9MB

    • memory/1740-2-0x0000000004730000-0x0000000004770000-memory.dmp

      Filesize

      256KB

    • memory/1740-3-0x0000000000570000-0x0000000000588000-memory.dmp

      Filesize

      96KB

    • memory/1740-4-0x0000000000590000-0x0000000000598000-memory.dmp

      Filesize

      32KB

    • memory/1740-5-0x00000000005A0000-0x00000000005AA000-memory.dmp

      Filesize

      40KB

    • memory/1740-6-0x0000000005360000-0x00000000053DA000-memory.dmp

      Filesize

      488KB

    • memory/1740-31-0x0000000074D90000-0x000000007547E000-memory.dmp

      Filesize

      6.9MB

    • memory/1740-0-0x0000000000010000-0x00000000000C2000-memory.dmp

      Filesize

      712KB

    • memory/2688-29-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2688-32-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2688-38-0x00000000049B0000-0x00000000049F0000-memory.dmp

      Filesize

      256KB

    • memory/2688-20-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2688-18-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2688-37-0x0000000074D90000-0x000000007547E000-memory.dmp

      Filesize

      6.9MB

    • memory/2688-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2688-35-0x0000000074D90000-0x000000007547E000-memory.dmp

      Filesize

      6.9MB

    • memory/2688-16-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2688-14-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2688-34-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3060-21-0x000000006F150000-0x000000006F6FB000-memory.dmp

      Filesize

      5.7MB

    • memory/3060-28-0x0000000002A90000-0x0000000002AD0000-memory.dmp

      Filesize

      256KB

    • memory/3060-36-0x000000006F150000-0x000000006F6FB000-memory.dmp

      Filesize

      5.7MB

    • memory/3060-26-0x0000000002A90000-0x0000000002AD0000-memory.dmp

      Filesize

      256KB

    • memory/3060-23-0x000000006F150000-0x000000006F6FB000-memory.dmp

      Filesize

      5.7MB