Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2023, 23:04

General

  • Target

    8400a919b9cb8b3ba1f8b635a24992fabddd5e162e0735c118a9213dc1f71ba9.exe

  • Size

    719KB

  • MD5

    dd39cbc93b94888e04900cdc4c7da69e

  • SHA1

    4001c2edea9b87c32dbc3500b69862ae1162f956

  • SHA256

    8400a919b9cb8b3ba1f8b635a24992fabddd5e162e0735c118a9213dc1f71ba9

  • SHA512

    ea4b8a0c92401ae8e9f68349d4b674674edcb3d57268760e8f7cededba9417961105ff5186ad8b8e5a4a0083d0330a5e533d49a1bb357c945e97b1f1c4d8de41

  • SSDEEP

    12288:7A5WIPr4zyD/dEjE+pt4h69VfeTVvvRSbCDF5x9PgfDvC1FmbyEM2Ws:+gb74/BdgzC1Fmeh2Ws

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.

  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8400a919b9cb8b3ba1f8b635a24992fabddd5e162e0735c118a9213dc1f71ba9.exe
    "C:\Users\Admin\AppData\Local\Temp\8400a919b9cb8b3ba1f8b635a24992fabddd5e162e0735c118a9213dc1f71ba9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HduqSAwJKg.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2736
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HduqSAwJKg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp20.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2676
    • C:\Users\Admin\AppData\Local\Temp\8400a919b9cb8b3ba1f8b635a24992fabddd5e162e0735c118a9213dc1f71ba9.exe
      "C:\Users\Admin\AppData\Local\Temp\8400a919b9cb8b3ba1f8b635a24992fabddd5e162e0735c118a9213dc1f71ba9.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp20.tmp

    Filesize

    1KB

    MD5

    72aee2af6b1899e63f7e769dc7f2595e

    SHA1

    860b0be3071f616077f6bda4f00fff126010528a

    SHA256

    9937b1e0eb18682ce05be4851996490cfc973ae9bc471623c5a66ef76a3da435

    SHA512

    6634c9a6ff030e75fdae6ec6d86df9da594fa226bd458990277336c0c1bb08742ca79806e521b361955545c4c9cd5918ad614078e090c78c8d6a59beebe64a86

  • memory/1704-0-0x0000000000210000-0x00000000002C8000-memory.dmp

    Filesize

    736KB

  • memory/1704-1-0x00000000746D0000-0x0000000074DBE000-memory.dmp

    Filesize

    6.9MB

  • memory/1704-2-0x0000000004AA0000-0x0000000004AE0000-memory.dmp

    Filesize

    256KB

  • memory/1704-3-0x0000000000540000-0x0000000000550000-memory.dmp

    Filesize

    64KB

  • memory/1704-4-0x00000000746D0000-0x0000000074DBE000-memory.dmp

    Filesize

    6.9MB

  • memory/1704-5-0x0000000004AA0000-0x0000000004AE0000-memory.dmp

    Filesize

    256KB

  • memory/1704-6-0x00000000005A0000-0x00000000005AA000-memory.dmp

    Filesize

    40KB

  • memory/1704-7-0x0000000005E50000-0x0000000005ECC000-memory.dmp

    Filesize

    496KB

  • memory/1704-24-0x00000000746D0000-0x0000000074DBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2556-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2556-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2556-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2556-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2556-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2556-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2556-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2556-25-0x00000000746D0000-0x0000000074DBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2556-26-0x0000000004B90000-0x0000000004BD0000-memory.dmp

    Filesize

    256KB

  • memory/2556-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2556-35-0x0000000004B90000-0x0000000004BD0000-memory.dmp

    Filesize

    256KB

  • memory/2556-34-0x00000000746D0000-0x0000000074DBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2736-31-0x0000000002760000-0x00000000027A0000-memory.dmp

    Filesize

    256KB

  • memory/2736-32-0x0000000002760000-0x00000000027A0000-memory.dmp

    Filesize

    256KB

  • memory/2736-33-0x000000006F720000-0x000000006FCCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2736-30-0x000000006F720000-0x000000006FCCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2736-29-0x000000006F720000-0x000000006FCCB000-memory.dmp

    Filesize

    5.7MB