Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2023 17:13

General

  • Target

    KNP10WS150RJB 5K.exe

  • Size

    812KB

  • MD5

    73c4d511b769f0869c87b5d4621f2a81

  • SHA1

    a8928f94fc09b95a019ca5cc4a7f3c0f89966684

  • SHA256

    e71a07f99b82d89d7dcd21041055ec628b6c8855af5f44f954354dee5fa6fb74

  • SHA512

    9d886ebccc71c4e060fafdcf2d736fea2ec391495935c20fa5542f2fb7ec045587cbe25f408f239be7616c6b027e7590ee5ee121306952514ed6e0586f39d8d4

  • SSDEEP

    24576:/34/up+pJBv8nNX2ohpy+1AphoGJLYQgll7Bq:/38PJ2NziyAphoGxYZl

Malware Config

Extracted

Credentials

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.

  • 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\KNP10WS150RJB 5K.exe
    "C:\Users\Admin\AppData\Local\Temp\KNP10WS150RJB 5K.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2776
    • C:\Users\Admin\AppData\Local\Temp\KNP10WS150RJB 5K.exe
      "C:\Users\Admin\AppData\Local\Temp\KNP10WS150RJB 5K.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\KNP10WS150RJB 5K.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/804-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/804-20-0x00000000058A0000-0x00000000058B0000-memory.dmp

    Filesize

    64KB

  • memory/804-19-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/804-18-0x0000000006D80000-0x0000000006DD0000-memory.dmp

    Filesize

    320KB

  • memory/804-17-0x0000000005820000-0x0000000005886000-memory.dmp

    Filesize

    408KB

  • memory/804-16-0x00000000058A0000-0x00000000058B0000-memory.dmp

    Filesize

    64KB

  • memory/804-14-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/2776-10-0x0000000006200000-0x000000000629C000-memory.dmp

    Filesize

    624KB

  • memory/2776-9-0x00000000065A0000-0x000000000661A000-memory.dmp

    Filesize

    488KB

  • memory/2776-0-0x0000000000430000-0x0000000000502000-memory.dmp

    Filesize

    840KB

  • memory/2776-8-0x0000000005330000-0x000000000533A000-memory.dmp

    Filesize

    40KB

  • memory/2776-7-0x0000000005320000-0x0000000005328000-memory.dmp

    Filesize

    32KB

  • memory/2776-6-0x00000000052E0000-0x00000000052F8000-memory.dmp

    Filesize

    96KB

  • memory/2776-5-0x0000000005070000-0x000000000507A000-memory.dmp

    Filesize

    40KB

  • memory/2776-15-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/2776-4-0x00000000050D0000-0x00000000050E0000-memory.dmp

    Filesize

    64KB

  • memory/2776-3-0x0000000004EB0000-0x0000000004F42000-memory.dmp

    Filesize

    584KB

  • memory/2776-2-0x0000000005380000-0x0000000005924000-memory.dmp

    Filesize

    5.6MB

  • memory/2776-1-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB