Analysis

  • max time kernel
    137s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/11/2023, 16:58

General

  • Target

    1536cc9a88c87ba6a5e0dc22e2b876c2.exe

  • Size

    586KB

  • MD5

    1536cc9a88c87ba6a5e0dc22e2b876c2

  • SHA1

    8f28b2d369d7cc676137837849091da34bd6e3be

  • SHA256

    972d94b2359c6a9e5eaf927f25389073b5e226f920906f7d50c3e55cebe2f015

  • SHA512

    d0d8faaf874aa763f8c825871e3aaa54cbba4045de6ed7c6e95dce549155a7ec4654b544886cbe32f6098f8dd243f1543e9b53b7a1f638a397ee9fb7fc8c5810

  • SSDEEP

    12288:zaLYsoaeWexeuImiP9ugOfE6RcB9fGpeGo9U/pMKxbV8f2yfj0:zkY0expImi1upfE6E9OEtI7bV8uyI

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    cp5ua.hyperhost.ua
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7213575aceACE@#$

Extracted

Family

agenttesla

Credentials

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 WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1536cc9a88c87ba6a5e0dc22e2b876c2.exe
    "C:\Users\Admin\AppData\Local\Temp\1536cc9a88c87ba6a5e0dc22e2b876c2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4568
    • C:\Users\Admin\AppData\Local\Temp\1536cc9a88c87ba6a5e0dc22e2b876c2.exe
      "C:\Users\Admin\AppData\Local\Temp\1536cc9a88c87ba6a5e0dc22e2b876c2.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3944

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1536cc9a88c87ba6a5e0dc22e2b876c2.exe.log

          Filesize

          1KB

          MD5

          8ec831f3e3a3f77e4a7b9cd32b48384c

          SHA1

          d83f09fd87c5bd86e045873c231c14836e76a05c

          SHA256

          7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

          SHA512

          26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

        • memory/3944-13-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/3944-22-0x0000000006250000-0x00000000062A0000-memory.dmp

          Filesize

          320KB

        • memory/3944-21-0x0000000005650000-0x0000000005660000-memory.dmp

          Filesize

          64KB

        • memory/3944-20-0x0000000074F00000-0x00000000756B0000-memory.dmp

          Filesize

          7.7MB

        • memory/3944-19-0x0000000005540000-0x00000000055A6000-memory.dmp

          Filesize

          408KB

        • memory/3944-17-0x0000000005650000-0x0000000005660000-memory.dmp

          Filesize

          64KB

        • memory/3944-16-0x0000000074F00000-0x00000000756B0000-memory.dmp

          Filesize

          7.7MB

        • memory/4568-5-0x0000000005880000-0x000000000588A000-memory.dmp

          Filesize

          40KB

        • memory/4568-6-0x0000000005DF0000-0x0000000005E00000-memory.dmp

          Filesize

          64KB

        • memory/4568-10-0x0000000005E30000-0x0000000005E3A000-memory.dmp

          Filesize

          40KB

        • memory/4568-11-0x0000000006A30000-0x0000000006AAA000-memory.dmp

          Filesize

          488KB

        • memory/4568-12-0x0000000006CF0000-0x0000000006D8C000-memory.dmp

          Filesize

          624KB

        • memory/4568-8-0x0000000005A30000-0x0000000005A40000-memory.dmp

          Filesize

          64KB

        • memory/4568-7-0x0000000074F00000-0x00000000756B0000-memory.dmp

          Filesize

          7.7MB

        • memory/4568-9-0x0000000005E10000-0x0000000005E16000-memory.dmp

          Filesize

          24KB

        • memory/4568-0-0x0000000074F00000-0x00000000756B0000-memory.dmp

          Filesize

          7.7MB

        • memory/4568-18-0x0000000074F00000-0x00000000756B0000-memory.dmp

          Filesize

          7.7MB

        • memory/4568-4-0x0000000005A30000-0x0000000005A40000-memory.dmp

          Filesize

          64KB

        • memory/4568-3-0x00000000057E0000-0x0000000005872000-memory.dmp

          Filesize

          584KB

        • memory/4568-2-0x0000000005E50000-0x00000000063F4000-memory.dmp

          Filesize

          5.6MB

        • memory/4568-1-0x0000000000D50000-0x0000000000DE8000-memory.dmp

          Filesize

          608KB