Analysis

  • max time kernel
    120s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27/03/2024, 11:01

General

  • Target

    CV Mariana Alvarez.exe

  • Size

    636KB

  • MD5

    f2d7baa099914c81eab964dc4c5b27ee

  • SHA1

    0f4d556b793a16403f4351f3baa0ef0ff3e775b9

  • SHA256

    d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05

  • SHA512

    403217fa4b47c9e0773e84cfcef5ce333e25319cd33a874174aef84928982c079808f3b1617613322191347824c8a01834283a41c365c38eb7352810d287eee2

  • SSDEEP

    12288:lGs3/5v2suSKj9YTtx0+vKHOizSMgfLD7DJNqIARzf9+orEa9r/gf+e2v4OMaX4r:swB3nKjOtu+vKHOizZgfLD7DJNqI2DJw

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.

  • 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CV Mariana Alvarez.exe
    "C:\Users\Admin\AppData\Local\Temp\CV Mariana Alvarez.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2936
    • C:\Users\Admin\AppData\Local\Temp\CV Mariana Alvarez.exe
      "C:\Users\Admin\AppData\Local\Temp\CV Mariana Alvarez.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2756-21-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2756-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2756-28-0x0000000004A00000-0x0000000004A40000-memory.dmp

    Filesize

    256KB

  • memory/2756-27-0x0000000074A40000-0x000000007512E000-memory.dmp

    Filesize

    6.9MB

  • memory/2756-25-0x0000000074A40000-0x000000007512E000-memory.dmp

    Filesize

    6.9MB

  • memory/2756-26-0x0000000004A00000-0x0000000004A40000-memory.dmp

    Filesize

    256KB

  • memory/2756-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2756-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2756-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2756-15-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2756-9-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2756-13-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2936-1-0x0000000074A40000-0x000000007512E000-memory.dmp

    Filesize

    6.9MB

  • memory/2936-8-0x0000000004930000-0x0000000004970000-memory.dmp

    Filesize

    256KB

  • memory/2936-7-0x0000000074A40000-0x000000007512E000-memory.dmp

    Filesize

    6.9MB

  • memory/2936-0-0x0000000000A00000-0x0000000000AA4000-memory.dmp

    Filesize

    656KB

  • memory/2936-6-0x0000000005400000-0x0000000005482000-memory.dmp

    Filesize

    520KB

  • memory/2936-24-0x0000000074A40000-0x000000007512E000-memory.dmp

    Filesize

    6.9MB

  • memory/2936-5-0x0000000000570000-0x000000000057C000-memory.dmp

    Filesize

    48KB

  • memory/2936-4-0x0000000000560000-0x0000000000568000-memory.dmp

    Filesize

    32KB

  • memory/2936-3-0x00000000004F0000-0x0000000000506000-memory.dmp

    Filesize

    88KB

  • memory/2936-2-0x0000000004930000-0x0000000004970000-memory.dmp

    Filesize

    256KB