Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    21-05-2024 12:56

General

  • Target

    Faturas de abril.scr.exe

  • Size

    1.2MB

  • MD5

    82dc097629bf39c66c1d5f363b8e7aee

  • SHA1

    90ff9008b40de2057d40b3d1b262e547927c23ab

  • SHA256

    e3c775114e28518051b469cb95d6668aa037b6bb52219198694146dbf2a359ad

  • SHA512

    dac47415337697d2fd3eace52cdbad61493e247fa1f46396962af678199ef0e7aaafa93d98caa7635afa8081e85edd84597d8aee59ea1f2c17da8391de773a58

  • SSDEEP

    24576:vSu1S82mBVrIiudqePxlncj4RW+pqoy/ttwcWBSq7C:vSuU82mTVonC40aqocfwJ

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Faturas de abril.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\Faturas de abril.scr.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1860
    • C:\Users\Admin\AppData\Local\Temp\Faturas de abril.scr.exe
      "C:\Users\Admin\AppData\Local\Temp\Faturas de abril.scr.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1860-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

    Filesize

    4KB

  • memory/1860-1-0x0000000000F30000-0x0000000001064000-memory.dmp

    Filesize

    1.2MB

  • memory/1860-2-0x0000000000E90000-0x0000000000EFE000-memory.dmp

    Filesize

    440KB

  • memory/1860-3-0x0000000074B80000-0x000000007526E000-memory.dmp

    Filesize

    6.9MB

  • memory/1860-4-0x0000000000570000-0x0000000000578000-memory.dmp

    Filesize

    32KB

  • memory/1860-22-0x0000000074B80000-0x000000007526E000-memory.dmp

    Filesize

    6.9MB

  • memory/3008-20-0x0000000074B80000-0x000000007526E000-memory.dmp

    Filesize

    6.9MB

  • memory/3008-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3008-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3008-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3008-9-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3008-7-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3008-15-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3008-13-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/3008-21-0x0000000074B80000-0x000000007526E000-memory.dmp

    Filesize

    6.9MB

  • memory/3008-6-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3008-23-0x0000000074B80000-0x000000007526E000-memory.dmp

    Filesize

    6.9MB