Analysis

  • max time kernel
    127s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2023 02:28

General

  • Target

    f2f4ad4d6863cb9caf0b94f253c8473fa6bfda54212544e5509ea13ec69636ec.exe

  • Size

    679KB

  • MD5

    5bbcb1ea2edf9807e48f0eceb2c5e0d2

  • SHA1

    e0c85be64defed04c3110cf8599059c13247ae21

  • SHA256

    f2f4ad4d6863cb9caf0b94f253c8473fa6bfda54212544e5509ea13ec69636ec

  • SHA512

    d9d9dc30330228c9b34f4c274a9137c4411965e77727d3047b79dc6520612c9b04901a9ade086540c05850d74e1dd32bccd35098e5cdae3a008088035cc7af85

  • SSDEEP

    12288:TC86JDIwWBnbd6q+I9+o3bpoy0hXOZkOi/9CVGqxsNlemXo3dq16SFHU:J6JZWL6q+I9+or6hXVOilDqo4dqMSK

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1179358691389087754/yHthw4-13k_nboZGWySep8nLvTdwO_hiLUgjd1s52EzGArYfNy0GTqcuv8MADYaMkJvH

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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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\f2f4ad4d6863cb9caf0b94f253c8473fa6bfda54212544e5509ea13ec69636ec.exe
    "C:\Users\Admin\AppData\Local\Temp\f2f4ad4d6863cb9caf0b94f253c8473fa6bfda54212544e5509ea13ec69636ec.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4248
    • C:\Users\Admin\AppData\Local\Temp\f2f4ad4d6863cb9caf0b94f253c8473fa6bfda54212544e5509ea13ec69636ec.exe
      "C:\Users\Admin\AppData\Local\Temp\f2f4ad4d6863cb9caf0b94f253c8473fa6bfda54212544e5509ea13ec69636ec.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:5004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f2f4ad4d6863cb9caf0b94f253c8473fa6bfda54212544e5509ea13ec69636ec.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/4248-10-0x0000000009030000-0x00000000090CC000-memory.dmp

    Filesize

    624KB

  • memory/4248-15-0x0000000074B20000-0x00000000752D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4248-9-0x0000000006790000-0x000000000680C000-memory.dmp

    Filesize

    496KB

  • memory/4248-4-0x0000000005270000-0x0000000005280000-memory.dmp

    Filesize

    64KB

  • memory/4248-5-0x0000000005260000-0x000000000526A000-memory.dmp

    Filesize

    40KB

  • memory/4248-6-0x0000000005670000-0x0000000005686000-memory.dmp

    Filesize

    88KB

  • memory/4248-7-0x0000000005680000-0x0000000005688000-memory.dmp

    Filesize

    32KB

  • memory/4248-8-0x0000000005690000-0x000000000569A000-memory.dmp

    Filesize

    40KB

  • memory/4248-3-0x00000000052C0000-0x0000000005352000-memory.dmp

    Filesize

    584KB

  • memory/4248-0-0x00000000007C0000-0x0000000000870000-memory.dmp

    Filesize

    704KB

  • memory/4248-1-0x0000000074B20000-0x00000000752D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4248-2-0x00000000057D0000-0x0000000005D74000-memory.dmp

    Filesize

    5.6MB

  • memory/5004-14-0x0000000074B20000-0x00000000752D0000-memory.dmp

    Filesize

    7.7MB

  • memory/5004-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/5004-16-0x0000000004F70000-0x0000000004F80000-memory.dmp

    Filesize

    64KB

  • memory/5004-17-0x0000000004FF0000-0x0000000005056000-memory.dmp

    Filesize

    408KB

  • memory/5004-18-0x0000000005F40000-0x0000000005F90000-memory.dmp

    Filesize

    320KB

  • memory/5004-19-0x0000000074B20000-0x00000000752D0000-memory.dmp

    Filesize

    7.7MB

  • memory/5004-20-0x0000000004F70000-0x0000000004F80000-memory.dmp

    Filesize

    64KB