Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 02:32

General

  • Target

    9023cc9878fe5fc652d796e8435767709c41a8195aec5fd3551c8c5e3bf391e2.exe

  • Size

    656KB

  • MD5

    b6e29f20ae7d20b763a89c4dea1e2901

  • SHA1

    92ccec58bb77cf5e970b5ea1ce6fc52f6e01749c

  • SHA256

    9023cc9878fe5fc652d796e8435767709c41a8195aec5fd3551c8c5e3bf391e2

  • SHA512

    5f12b8ba7a096d5c96401354e1783fb839974aff8e2ff6538abbe759c28ea32cfe82e5d70a426a0a6d00997046bc86114ff706eb61069dbc3dafdb6b9221043c

  • SSDEEP

    12288:zBzi8LkpEaJWTUK64rx8lrO/doPD2+oJr3aLuEET3EbH/+qX6rh3i:zB2jEU30+lrkoPqZx2uEJKl

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9023cc9878fe5fc652d796e8435767709c41a8195aec5fd3551c8c5e3bf391e2.exe
    "C:\Users\Admin\AppData\Local\Temp\9023cc9878fe5fc652d796e8435767709c41a8195aec5fd3551c8c5e3bf391e2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\9023cc9878fe5fc652d796e8435767709c41a8195aec5fd3551c8c5e3bf391e2.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2336
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SnpgpAAaT.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2668
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SnpgpAAaT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5F01.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2732
    • C:\Users\Admin\AppData\Local\Temp\9023cc9878fe5fc652d796e8435767709c41a8195aec5fd3551c8c5e3bf391e2.exe
      "C:\Users\Admin\AppData\Local\Temp\9023cc9878fe5fc652d796e8435767709c41a8195aec5fd3551c8c5e3bf391e2.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5F01.tmp

    Filesize

    1KB

    MD5

    afd4adfb58e2b3e7cd91a4536e3a5156

    SHA1

    07f58d88c4afc8010a383ea24b67071d386e103d

    SHA256

    d11ef9f1c8eb4c96c43612727759f1b169c777348f556c10168cc48dc553f7f4

    SHA512

    bdbeba5cf8404b22a5fcb12b45fc234bfc258fddfb80709d6710d62a3a839750217d8a41e310d209f1c15a6090eb4068ebf7503c39c7e5b000cdd2d1d5ef1665

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\3WLDCNU47TES02TP45D8.temp

    Filesize

    7KB

    MD5

    4701fba070cb74c9abe69d8d54630afb

    SHA1

    6be442cf5998bd61c532d1395299d84551c63433

    SHA256

    dfd80d74e898b0ba86ffa982c1e12381f47bf2c433cd0ce6d41c4533e8dd5ebe

    SHA512

    9c31a8dac483e3d03bf3353baa42434246d7557d6517be144fe9dd9c1f222e523844fe055e265ba14daeb0b55ef7c34f8ffdbe59173e5cf312d92c14f0174471

  • memory/1688-31-0x0000000074B90000-0x000000007527E000-memory.dmp

    Filesize

    6.9MB

  • memory/1688-1-0x0000000001110000-0x00000000011BA000-memory.dmp

    Filesize

    680KB

  • memory/1688-2-0x0000000074B90000-0x000000007527E000-memory.dmp

    Filesize

    6.9MB

  • memory/1688-3-0x0000000000420000-0x000000000043A000-memory.dmp

    Filesize

    104KB

  • memory/1688-4-0x00000000003D0000-0x00000000003E0000-memory.dmp

    Filesize

    64KB

  • memory/1688-5-0x00000000045C0000-0x0000000004642000-memory.dmp

    Filesize

    520KB

  • memory/1688-0-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

    Filesize

    4KB

  • memory/2992-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2992-28-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2992-27-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2992-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2992-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2992-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2992-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2992-30-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB