Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2023 17:19

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.103.32418.exe

  • Size

    896KB

  • MD5

    4d32a5c55202913c93b58d6bdde3ceed

  • SHA1

    cb1179bc185b78f9828a15b779ab65c345b5f370

  • SHA256

    d206e7098a885c65f0b56b34169d9599ce70c09d81439571e3d13f309305142a

  • SHA512

    2a5c952f0e505eef341f1e69cd5d2100ee05f6171330f22352be470350d77571a7ee511e4d48e127893ee03b01353d89b2a7f602ebb717d4c21411b2d5ed1755

  • SSDEEP

    12288:uid+fLgkaGPugBDKSWKGOoirbnhsGpkEukeg28dWkRqhP7ZwPrsx:cvaxkDKS3PrbhskkEuk284OKF0A

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.103.32418.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.103.32418.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aAbJiOYNYm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2716
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aAbJiOYNYm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8556.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2596
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.103.32418.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.103.32418.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8556.tmp

    Filesize

    1KB

    MD5

    5313452f186997f53e64c533a219f354

    SHA1

    9205db857a6c4cc4507fd4453ea06b9a90ee87f7

    SHA256

    372101b073b03ada76b7dff89afaba82ae7a32689edeb48a2351c0476ea22947

    SHA512

    a8d2765e5d424eaeb2ef3c51e9f3868cc7a29239b2cb903116984b3f3ebd9577f86a6f61641ce33c2b5bd15f3b9729e159e4a4ad7845006bbc9939415ab79c6e

  • memory/2716-35-0x000000006FE80000-0x000000007042B000-memory.dmp

    Filesize

    5.7MB

  • memory/2716-33-0x00000000024C0000-0x0000000002500000-memory.dmp

    Filesize

    256KB

  • memory/2716-32-0x00000000024C0000-0x0000000002500000-memory.dmp

    Filesize

    256KB

  • memory/2716-31-0x000000006FE80000-0x000000007042B000-memory.dmp

    Filesize

    5.7MB

  • memory/2716-30-0x000000006FE80000-0x000000007042B000-memory.dmp

    Filesize

    5.7MB

  • memory/2920-29-0x0000000004C60000-0x0000000004CA0000-memory.dmp

    Filesize

    256KB

  • memory/2920-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2920-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2920-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2920-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2920-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2920-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2920-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2920-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2920-37-0x0000000004C60000-0x0000000004CA0000-memory.dmp

    Filesize

    256KB

  • memory/2920-26-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2920-36-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2988-0-0x0000000000950000-0x0000000000A36000-memory.dmp

    Filesize

    920KB

  • memory/2988-5-0x0000000000510000-0x000000000051A000-memory.dmp

    Filesize

    40KB

  • memory/2988-4-0x0000000000500000-0x0000000000508000-memory.dmp

    Filesize

    32KB

  • memory/2988-3-0x00000000004A0000-0x00000000004BA000-memory.dmp

    Filesize

    104KB

  • memory/2988-2-0x0000000004F60000-0x0000000004FA0000-memory.dmp

    Filesize

    256KB

  • memory/2988-1-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2988-25-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2988-6-0x0000000004980000-0x00000000049FE000-memory.dmp

    Filesize

    504KB