Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2024 11:21

General

  • Target

    iu5J6ktsl7y8tiM.exe

  • Size

    790KB

  • MD5

    6fc0480b81f7492fef68b69e3707c213

  • SHA1

    956e53123b9650d62f38532fe65e7c72f1fced1d

  • SHA256

    021b5417b02a080b620285e4bc35871a4c013c4fb46884574bad06b2b896394c

  • SHA512

    7edfc8b39d60f3d898e8d876e2d591f6db6cd023242d427b14268b4908d3ac8cb16a85ab19aa1b06b3fd735636b5c2b8ee7a8c6fe6f3b7dbdbd848458e9c5ae6

  • SSDEEP

    12288:SW6jz+yrT5G1wXJjMZMNX0Q+JiDi3yqepAhencOxeUc7N5F:V+z+yrTrlPUeFjAhff7Nf

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.apexrnun.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    dU*wU0)yR;?4q|-#

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 1 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\iu5J6ktsl7y8tiM.exe
    "C:\Users\Admin\AppData\Local\Temp\iu5J6ktsl7y8tiM.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4944
    • 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\iu5J6ktsl7y8tiM.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4684
    • C:\Users\Admin\AppData\Local\Temp\iu5J6ktsl7y8tiM.exe
      "C:\Users\Admin\AppData\Local\Temp\iu5J6ktsl7y8tiM.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_w2zieqmx.lqo.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/508-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/508-62-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/508-51-0x0000000006DF0000-0x0000000006E40000-memory.dmp

    Filesize

    320KB

  • memory/508-17-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/508-16-0x00000000057F0000-0x0000000005856000-memory.dmp

    Filesize

    408KB

  • memory/508-13-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4684-48-0x0000000006E90000-0x0000000006F33000-memory.dmp

    Filesize

    652KB

  • memory/4684-19-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4684-61-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4684-58-0x0000000007500000-0x0000000007508000-memory.dmp

    Filesize

    32KB

  • memory/4684-57-0x0000000007520000-0x000000000753A000-memory.dmp

    Filesize

    104KB

  • memory/4684-56-0x0000000007420000-0x0000000007434000-memory.dmp

    Filesize

    80KB

  • memory/4684-55-0x0000000007410000-0x000000000741E000-memory.dmp

    Filesize

    56KB

  • memory/4684-15-0x00000000025B0000-0x00000000025E6000-memory.dmp

    Filesize

    216KB

  • memory/4684-54-0x00000000073E0000-0x00000000073F1000-memory.dmp

    Filesize

    68KB

  • memory/4684-53-0x0000000007460000-0x00000000074F6000-memory.dmp

    Filesize

    600KB

  • memory/4684-18-0x00000000050F0000-0x0000000005718000-memory.dmp

    Filesize

    6.2MB

  • memory/4684-49-0x0000000007830000-0x0000000007EAA000-memory.dmp

    Filesize

    6.5MB

  • memory/4684-21-0x0000000004FD0000-0x0000000005036000-memory.dmp

    Filesize

    408KB

  • memory/4684-20-0x0000000004F30000-0x0000000004F52000-memory.dmp

    Filesize

    136KB

  • memory/4684-23-0x0000000005900000-0x0000000005C54000-memory.dmp

    Filesize

    3.3MB

  • memory/4684-24-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4684-22-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4684-52-0x0000000007250000-0x000000000725A000-memory.dmp

    Filesize

    40KB

  • memory/4684-34-0x0000000005EA0000-0x0000000005EBE000-memory.dmp

    Filesize

    120KB

  • memory/4684-35-0x00000000061B0000-0x00000000061FC000-memory.dmp

    Filesize

    304KB

  • memory/4684-37-0x0000000070630000-0x000000007067C000-memory.dmp

    Filesize

    304KB

  • memory/4684-36-0x0000000006460000-0x0000000006492000-memory.dmp

    Filesize

    200KB

  • memory/4684-47-0x00000000064D0000-0x00000000064EE000-memory.dmp

    Filesize

    120KB

  • memory/4684-50-0x00000000071E0000-0x00000000071FA000-memory.dmp

    Filesize

    104KB

  • memory/4944-4-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4944-0-0x00000000749BE000-0x00000000749BF000-memory.dmp

    Filesize

    4KB

  • memory/4944-2-0x0000000005570000-0x0000000005B14000-memory.dmp

    Filesize

    5.6MB

  • memory/4944-3-0x00000000050A0000-0x0000000005132000-memory.dmp

    Filesize

    584KB

  • memory/4944-8-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4944-5-0x0000000005160000-0x000000000516A000-memory.dmp

    Filesize

    40KB

  • memory/4944-6-0x0000000005530000-0x000000000554E000-memory.dmp

    Filesize

    120KB

  • memory/4944-14-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4944-7-0x00000000749BE000-0x00000000749BF000-memory.dmp

    Filesize

    4KB

  • memory/4944-10-0x000000000B040000-0x000000000B0DC000-memory.dmp

    Filesize

    624KB

  • memory/4944-9-0x0000000004AA0000-0x0000000004B24000-memory.dmp

    Filesize

    528KB

  • memory/4944-1-0x00000000005F0000-0x00000000006BC000-memory.dmp

    Filesize

    816KB