Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231201-en
  • resource tags

    arch:x64arch:x86image:win7-20231201-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 02:31

General

  • Target

    36d38c25d2449165ae6dd812089dde3d0d6bf1082d82085eda6577f4081adc18.exe

  • Size

    697KB

  • MD5

    428de8501902b5c12a52e5650a85342f

  • SHA1

    8466717a83df94a93546ff03661325d61be15b1c

  • SHA256

    36d38c25d2449165ae6dd812089dde3d0d6bf1082d82085eda6577f4081adc18

  • SHA512

    830ee4cce3a49f459d4b90db407488634441af4c4fb6fdf8c2f7ae3bc6b78c62235d92cfe6f5b6e981d170bc41040e58526e1085274f793cc5ed9e079e7ae4d8

  • SSDEEP

    12288:WueH5qw7ggFvZ04wURcboTMAtPTiqRWNbm8GezJaTTVJJ6qmUkiH7I:6qg5v64VKoTJ8OWNKvAMTd1mpibI

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1181759713713602600/iHsQ6OYa_KMNpOIA7OYiDu7j9BWVVvJ0gcEWr8VRve7tDH1TR5LRILIK1jr1NG5T-29a

Signatures

  • AgentTesla

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

  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\36d38c25d2449165ae6dd812089dde3d0d6bf1082d82085eda6577f4081adc18.exe
    "C:\Users\Admin\AppData\Local\Temp\36d38c25d2449165ae6dd812089dde3d0d6bf1082d82085eda6577f4081adc18.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2876
    • C:\Users\Admin\AppData\Local\Temp\36d38c25d2449165ae6dd812089dde3d0d6bf1082d82085eda6577f4081adc18.exe
      "C:\Users\Admin\AppData\Local\Temp\36d38c25d2449165ae6dd812089dde3d0d6bf1082d82085eda6577f4081adc18.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2724-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2724-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2724-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2724-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2724-24-0x0000000000530000-0x0000000000570000-memory.dmp

    Filesize

    256KB

  • memory/2724-23-0x0000000074DC0000-0x00000000754AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2724-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2724-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2724-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2724-25-0x0000000074DC0000-0x00000000754AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2724-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2876-2-0x0000000004EE0000-0x0000000004F20000-memory.dmp

    Filesize

    256KB

  • memory/2876-0-0x0000000001230000-0x00000000012E4000-memory.dmp

    Filesize

    720KB

  • memory/2876-1-0x0000000074DC0000-0x00000000754AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2876-6-0x0000000004990000-0x0000000004A0C000-memory.dmp

    Filesize

    496KB

  • memory/2876-5-0x00000000005A0000-0x00000000005AA000-memory.dmp

    Filesize

    40KB

  • memory/2876-4-0x0000000000550000-0x0000000000558000-memory.dmp

    Filesize

    32KB

  • memory/2876-22-0x0000000074DC0000-0x00000000754AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2876-3-0x0000000000530000-0x000000000054A000-memory.dmp

    Filesize

    104KB