Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2024 03:22

General

  • Target

    SecuriteInfo.com.Win32.RATX-gen.4012.10270.exe

  • Size

    752KB

  • MD5

    35e50f32100829b8a569fdef1a4258ad

  • SHA1

    4be9ba522d11c2f0fa31a1734bce2ecb463407f4

  • SHA256

    08bd459fea5b2cc457194064afba3d3347e43c1bdc4b7cb792ad91e87152d7b8

  • SHA512

    5b3343cfd61cd37dc4852315e8d6e67524e747cc2febf98eace75ea575dc73f1d6a0fac2e137982ed3dd77db1d05d661b47b2d78bd47027404ea3f0bc34c4dc3

  • SSDEEP

    12288:OQxHwmlSXh7SmF0VFCgHF9zz3AcOANwNIO0wnLKPZU3jYojJ/itPY0J+I:XxLl0hWmFA7HvPxT2NIOHO

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    pro51.emailserver.vn
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    O{AG(tbFk2.Y

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.

  • 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
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.4012.10270.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.4012.10270.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:692
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.4012.10270.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.4012.10270.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1568

Network

MITRE ATT&CK Matrix ATT&CK v13

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

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Win32.RATX-gen.4012.10270.exe.log
    Filesize

    1KB

    MD5

    7cad59aef5a93f093b6ba494f13f796f

    SHA1

    3cef97b77939bfc06dfd3946fc1a8cd159f67100

    SHA256

    1e1b444fe2d8772f6709b22b94bb5b0aa7fa590f6a693705d9bf1f2f71267a55

    SHA512

    8cedd03efec34c6226a01fd6b4831a689be16545ea6b849cd96f775e0722bfefd4b47f3dd8401d2080d341d4319f75995ece60de44352a1f86a2e5dc01e6210b

  • memory/692-10-0x0000000008F10000-0x0000000008F94000-memory.dmp
    Filesize

    528KB

  • memory/692-5-0x0000000007870000-0x0000000007880000-memory.dmp
    Filesize

    64KB

  • memory/692-11-0x0000000074C70000-0x0000000075420000-memory.dmp
    Filesize

    7.7MB

  • memory/692-19-0x0000000074C70000-0x0000000075420000-memory.dmp
    Filesize

    7.7MB

  • memory/692-12-0x0000000007870000-0x0000000007880000-memory.dmp
    Filesize

    64KB

  • memory/692-6-0x0000000007840000-0x000000000784A000-memory.dmp
    Filesize

    40KB

  • memory/692-7-0x000000000A760000-0x000000000A7FC000-memory.dmp
    Filesize

    624KB

  • memory/692-8-0x0000000008C30000-0x0000000008C42000-memory.dmp
    Filesize

    72KB

  • memory/692-9-0x0000000004B50000-0x0000000004B5C000-memory.dmp
    Filesize

    48KB

  • memory/692-1-0x0000000074C70000-0x0000000075420000-memory.dmp
    Filesize

    7.7MB

  • memory/692-3-0x0000000007650000-0x00000000076E2000-memory.dmp
    Filesize

    584KB

  • memory/692-2-0x0000000007B20000-0x00000000080C4000-memory.dmp
    Filesize

    5.6MB

  • memory/692-4-0x00000000080D0000-0x0000000008424000-memory.dmp
    Filesize

    3.3MB

  • memory/692-0-0x0000000000720000-0x00000000007E0000-memory.dmp
    Filesize

    768KB

  • memory/1568-16-0x0000000074C70000-0x0000000075420000-memory.dmp
    Filesize

    7.7MB

  • memory/1568-17-0x00000000056A0000-0x00000000056B0000-memory.dmp
    Filesize

    64KB

  • memory/1568-13-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/1568-18-0x00000000055E0000-0x0000000005646000-memory.dmp
    Filesize

    408KB

  • memory/1568-20-0x0000000006B40000-0x0000000006B90000-memory.dmp
    Filesize

    320KB

  • memory/1568-21-0x0000000074C70000-0x0000000075420000-memory.dmp
    Filesize

    7.7MB

  • memory/1568-22-0x00000000056A0000-0x00000000056B0000-memory.dmp
    Filesize

    64KB