Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 01:01

General

  • Target

    970d7195618e617ff0569e6369fc5dd322fe7947a1b9dc4d46baf874a6a9057e.exe

  • Size

    245KB

  • MD5

    046bf73955ccb9974a4c143e5a1e9c63

  • SHA1

    b9600e13d8ee6bb35093c3124c1225627eee1c9e

  • SHA256

    970d7195618e617ff0569e6369fc5dd322fe7947a1b9dc4d46baf874a6a9057e

  • SHA512

    7c3ca6fb4718cb741a1630ed3caf104be90fa2729491c075cf143ecec349f05b604d08abeaf6b1a52b0db1407fe084ba33c644301e1d544415b990b2269c3a54

  • SSDEEP

    3072:GkwzfrPTBOpq+7z5lnpN1tDQy4Gn5R67llq:G3zfrPTBOpq+7z59DQybe7f

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.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\970d7195618e617ff0569e6369fc5dd322fe7947a1b9dc4d46baf874a6a9057e.exe
    "C:\Users\Admin\AppData\Local\Temp\970d7195618e617ff0569e6369fc5dd322fe7947a1b9dc4d46baf874a6a9057e.exe"
    1⤵
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2004

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

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

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/2004-0-0x0000000001360000-0x00000000013A4000-memory.dmp
    Filesize

    272KB

  • memory/2004-1-0x00000000745A0000-0x0000000074C8E000-memory.dmp
    Filesize

    6.9MB

  • memory/2004-2-0x00000000048D0000-0x0000000004910000-memory.dmp
    Filesize

    256KB

  • memory/2004-5-0x00000000745A0000-0x0000000074C8E000-memory.dmp
    Filesize

    6.9MB