Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19/06/2024, 15:39

General

  • Target

    USyhqVZT33vX26Y.exe

  • Size

    720KB

  • MD5

    dedf5b15b0b0d4fad0a8ec0d0477b6ac

  • SHA1

    84d0998b5103c0a2c2ec708b79b4cadd197ee524

  • SHA256

    7531e98fb2dc9eedc35253f91f49be3c4f17a7f0dd976766ad753d11b77cde28

  • SHA512

    cc1b10c63c97c4ca03a9e6e9a0022b3ac82f04e9edd5e44f0a47f517a0dccb35bada151831f9145df0caa09168452f7a0d0832cf808aa5b431213af0042c8f4b

  • SSDEEP

    12288:ffQoKq/6lZj9t7Jd+ufpEKrB7GrqLslJbvppfofL4OsLzQ91J5BYKOBOnpqEAmDv:pKq/wt9ZJHfpt7wrpp8sLM/mKOMqa

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\USyhqVZT33vX26Y.exe
    "C:\Users\Admin\AppData\Local\Temp\USyhqVZT33vX26Y.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Users\Admin\AppData\Local\Temp\USyhqVZT33vX26Y.exe
      "C:\Users\Admin\AppData\Local\Temp\USyhqVZT33vX26Y.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2156-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

    Filesize

    4KB

  • memory/2156-1-0x00000000002B0000-0x0000000000366000-memory.dmp

    Filesize

    728KB

  • memory/2156-2-0x0000000004240000-0x00000000042DC000-memory.dmp

    Filesize

    624KB

  • memory/2156-3-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2156-4-0x0000000000290000-0x00000000002A2000-memory.dmp

    Filesize

    72KB

  • memory/2156-5-0x0000000000550000-0x0000000000558000-memory.dmp

    Filesize

    32KB

  • memory/2156-6-0x0000000000560000-0x000000000056C000-memory.dmp

    Filesize

    48KB

  • memory/2156-7-0x0000000004F30000-0x0000000004FB2000-memory.dmp

    Filesize

    520KB

  • memory/2156-19-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2640-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2640-8-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2640-14-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2640-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2640-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2640-16-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2640-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2640-9-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2640-20-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2640-21-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2640-22-0x0000000074C10000-0x00000000752FE000-memory.dmp

    Filesize

    6.9MB