Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 01:08

General

  • Target

    7d9526b010f995053419a629cec2bc62574b3e0eea8e41a92ce6dda68122f009.exe

  • Size

    679KB

  • MD5

    9a8f8bc5c73734093c89e6e901876684

  • SHA1

    b79847a118253f7b1ba318184a0cdf0a7cc6beef

  • SHA256

    7d9526b010f995053419a629cec2bc62574b3e0eea8e41a92ce6dda68122f009

  • SHA512

    f1467741412654b057c74f9400ae7727ab711af16dcb72028c34c6872043188953b781e3197c8c2d72093b250b329930f90d6f9e9986e82f77573b95bae8622f

  • SSDEEP

    12288:oYE6jD/LiDIGncNeiA1lkC3A+j+PmdFxKQnSK1ZpvzbqxlmdzWENz:5tD/a3iQ8mXhjixlmdWEN

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.

  • Looks up external IP address via web service 1 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).

  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d9526b010f995053419a629cec2bc62574b3e0eea8e41a92ce6dda68122f009.exe
    "C:\Users\Admin\AppData\Local\Temp\7d9526b010f995053419a629cec2bc62574b3e0eea8e41a92ce6dda68122f009.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\naAsrlkoNLhAiZ.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3068
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\naAsrlkoNLhAiZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4EAC.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2124
    • C:\Users\Admin\AppData\Local\Temp\7d9526b010f995053419a629cec2bc62574b3e0eea8e41a92ce6dda68122f009.exe
      "C:\Users\Admin\AppData\Local\Temp\7d9526b010f995053419a629cec2bc62574b3e0eea8e41a92ce6dda68122f009.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp4EAC.tmp

    Filesize

    1KB

    MD5

    74d114af659443b5a40d50edbf064a53

    SHA1

    382ef4cf3ff7e4d14c5c80678c71e9119e3a9125

    SHA256

    fe65d49a8d5293921394bb38b35e8daa9ef17a9901f8654f6ec2a64e659dbb3f

    SHA512

    4baa863df2dba3c5fbf0d1916c26390e6372e349c17896e3a0ce05524b7a24af137756e8ec3a4453cbc7e5ad9ba0413946f3d325f290c037b2fe660ebf6d3527

  • memory/1680-0-0x0000000000D70000-0x0000000000E20000-memory.dmp

    Filesize

    704KB

  • memory/1680-1-0x00000000749F0000-0x00000000750DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1680-2-0x0000000004A80000-0x0000000004AC0000-memory.dmp

    Filesize

    256KB

  • memory/1680-3-0x0000000000450000-0x0000000000468000-memory.dmp

    Filesize

    96KB

  • memory/1680-4-0x0000000000330000-0x0000000000336000-memory.dmp

    Filesize

    24KB

  • memory/1680-5-0x0000000000470000-0x000000000047A000-memory.dmp

    Filesize

    40KB

  • memory/1680-6-0x0000000000270000-0x00000000002EA000-memory.dmp

    Filesize

    488KB

  • memory/1680-23-0x00000000749F0000-0x00000000750DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2636-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2636-30-0x00000000736F0000-0x0000000073DDE000-memory.dmp

    Filesize

    6.9MB

  • memory/2636-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2636-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2636-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2636-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2636-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2636-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2636-34-0x00000000736F0000-0x0000000073DDE000-memory.dmp

    Filesize

    6.9MB

  • memory/2636-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2636-28-0x00000000003C0000-0x0000000000400000-memory.dmp

    Filesize

    256KB

  • memory/2636-33-0x00000000003C0000-0x0000000000400000-memory.dmp

    Filesize

    256KB

  • memory/3068-27-0x0000000002C90000-0x0000000002CD0000-memory.dmp

    Filesize

    256KB

  • memory/3068-31-0x000000006EDC0000-0x000000006F36B000-memory.dmp

    Filesize

    5.7MB

  • memory/3068-32-0x000000006EDC0000-0x000000006F36B000-memory.dmp

    Filesize

    5.7MB

  • memory/3068-29-0x0000000002C90000-0x0000000002CD0000-memory.dmp

    Filesize

    256KB

  • memory/3068-26-0x000000006EDC0000-0x000000006F36B000-memory.dmp

    Filesize

    5.7MB