Analysis

  • max time kernel
    125s
  • max time network
    52s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-12-2023 01:55

General

  • Target

    CoLYHfsA7mnOFfW.exe

  • Size

    648KB

  • MD5

    8afd8346a60583275b120bcbffb85af2

  • SHA1

    872e8a84eda1e1402dc1bfaefd4abdff3475b43f

  • SHA256

    ef030162bcf9de1409f69b87233b1ba9d256349773ba623ae4816cc39827c4cf

  • SHA512

    eae8fe52465aed2fa69a40c81f6e7682a098a311d9858fb44fccfb639f8cfa339427b1b6ff322265501e694916cd090c9837c90ca11115dd16cd35bee9b1df96

  • SSDEEP

    12288:pV3IU8S6eUdCSW+3LpeMgu0C6Nylpace9BbUyo0iWpe/mA:p9ItSAdCSW+3IMguZwcIRyWsuA

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Detect ZGRat V1 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CoLYHfsA7mnOFfW.exe
    "C:\Users\Admin\AppData\Local\Temp\CoLYHfsA7mnOFfW.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4616
    • C:\Users\Admin\AppData\Local\Temp\CoLYHfsA7mnOFfW.exe
      "C:\Users\Admin\AppData\Local\Temp\CoLYHfsA7mnOFfW.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\CoLYHfsA7mnOFfW.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2840-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2840-21-0x0000000005220000-0x0000000005230000-memory.dmp

    Filesize

    64KB

  • memory/2840-20-0x0000000074D00000-0x00000000754B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2840-19-0x0000000005F20000-0x0000000005F70000-memory.dmp

    Filesize

    320KB

  • memory/2840-17-0x0000000005220000-0x0000000005230000-memory.dmp

    Filesize

    64KB

  • memory/2840-16-0x0000000005140000-0x00000000051A6000-memory.dmp

    Filesize

    408KB

  • memory/2840-15-0x0000000074D00000-0x00000000754B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4616-5-0x0000000005490000-0x000000000549A000-memory.dmp

    Filesize

    40KB

  • memory/4616-9-0x0000000004E80000-0x0000000004EFC000-memory.dmp

    Filesize

    496KB

  • memory/4616-10-0x0000000007E20000-0x0000000007EBC000-memory.dmp

    Filesize

    624KB

  • memory/4616-8-0x0000000006640000-0x000000000664A000-memory.dmp

    Filesize

    40KB

  • memory/4616-7-0x0000000005A80000-0x0000000005A88000-memory.dmp

    Filesize

    32KB

  • memory/4616-14-0x0000000074D00000-0x00000000754B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4616-6-0x0000000005700000-0x0000000005718000-memory.dmp

    Filesize

    96KB

  • memory/4616-0-0x0000000000A00000-0x0000000000AA8000-memory.dmp

    Filesize

    672KB

  • memory/4616-4-0x0000000005720000-0x0000000005730000-memory.dmp

    Filesize

    64KB

  • memory/4616-3-0x00000000054E0000-0x0000000005572000-memory.dmp

    Filesize

    584KB

  • memory/4616-2-0x0000000005A90000-0x0000000006034000-memory.dmp

    Filesize

    5.6MB

  • memory/4616-1-0x0000000074D00000-0x00000000754B0000-memory.dmp

    Filesize

    7.7MB