Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    29-04-2024 12:07

General

  • Target

    Novage New Purchase Order.exe

  • Size

    548KB

  • MD5

    de379a368ac84fbdd812d62390865332

  • SHA1

    50cba525e79fa50fa606668a5b400171209773c8

  • SHA256

    4fa1ddc835d185f3e6940501ba18b2add1125bcf3b2ae120cbb085861a480c49

  • SHA512

    ca1f8376ee7de97999308a15954edaf4a96fa511a491df043ea36d1033be38122ce7c85084ddfa02c16493f3ce6a56a01695b62ab04d7e3ddde1aa283011b3d0

  • SSDEEP

    12288:Ay7aP9BjyE2V7gTk2DNqGJo35NbP7r9r/+pppppppppppppppppppppppppppppb:Albf2Vzgo35t1q

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe
    "C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" 'C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO.exe'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2204
    • C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe
      "C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2676

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2204-10-0x000000006FC60000-0x000000007020B000-memory.dmp
    Filesize

    5.7MB

  • memory/2204-8-0x0000000002740000-0x0000000002780000-memory.dmp
    Filesize

    256KB

  • memory/2204-7-0x000000006FC60000-0x000000007020B000-memory.dmp
    Filesize

    5.7MB

  • memory/2204-9-0x0000000002740000-0x0000000002780000-memory.dmp
    Filesize

    256KB

  • memory/2204-6-0x000000006FC60000-0x000000007020B000-memory.dmp
    Filesize

    5.7MB

  • memory/2676-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2676-13-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2676-24-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2676-12-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2676-16-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2676-22-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2676-14-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2676-20-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/3024-1-0x0000000074BB0000-0x000000007529E000-memory.dmp
    Filesize

    6.9MB

  • memory/3024-25-0x0000000074BB0000-0x000000007529E000-memory.dmp
    Filesize

    6.9MB

  • memory/3024-3-0x0000000000D30000-0x0000000000D86000-memory.dmp
    Filesize

    344KB

  • memory/3024-11-0x0000000000320000-0x000000000032A000-memory.dmp
    Filesize

    40KB

  • memory/3024-2-0x0000000004AF0000-0x0000000004B30000-memory.dmp
    Filesize

    256KB

  • memory/3024-0-0x0000000001100000-0x000000000118E000-memory.dmp
    Filesize

    568KB