Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2024 04:15

General

  • Target

    ee1f5806bdc523e06b98c513142a735ac3c16da9948c645a9916bd68cf24673b.exe

  • Size

    681KB

  • MD5

    ca2e7abccc5cb10dce5c6e7374fe5a35

  • SHA1

    4c4ff642534ebb32d4edd6c752f6309ee9fbcf02

  • SHA256

    ee1f5806bdc523e06b98c513142a735ac3c16da9948c645a9916bd68cf24673b

  • SHA512

    badc6a66922e810322e6e7f4876de5bf2d7e67322c7ecc03847aca201f4c79b4017abbfaf30145adaa201c348579c36880de6c21a30d6911257799dff2c89526

  • SSDEEP

    12288:BJggC74CMw3iOdiDSZnRtnt9iXSSfI5qIFngvpZsG9WxzQaU3y:BJgFoOdjtnOSKPhh6GEQn3

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6240128422:AAGfewUxVcQqKio_MV181yAuk31JpsBcgy8/

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ee1f5806bdc523e06b98c513142a735ac3c16da9948c645a9916bd68cf24673b.exe
    "C:\Users\Admin\AppData\Local\Temp\ee1f5806bdc523e06b98c513142a735ac3c16da9948c645a9916bd68cf24673b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2964
    • C:\Users\Admin\AppData\Local\Temp\ee1f5806bdc523e06b98c513142a735ac3c16da9948c645a9916bd68cf24673b.exe
      "C:\Users\Admin\AppData\Local\Temp\ee1f5806bdc523e06b98c513142a735ac3c16da9948c645a9916bd68cf24673b.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4244

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ee1f5806bdc523e06b98c513142a735ac3c16da9948c645a9916bd68cf24673b.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2964-8-0x0000000004F70000-0x0000000004F7C000-memory.dmp
    Filesize

    48KB

  • memory/2964-3-0x0000000004BE0000-0x0000000004C72000-memory.dmp
    Filesize

    584KB

  • memory/2964-9-0x00000000062C0000-0x0000000006342000-memory.dmp
    Filesize

    520KB

  • memory/2964-1-0x0000000074930000-0x00000000750E0000-memory.dmp
    Filesize

    7.7MB

  • memory/2964-5-0x0000000004B90000-0x0000000004B9A000-memory.dmp
    Filesize

    40KB

  • memory/2964-6-0x0000000004E50000-0x0000000004EEC000-memory.dmp
    Filesize

    624KB

  • memory/2964-7-0x0000000004E30000-0x0000000004E42000-memory.dmp
    Filesize

    72KB

  • memory/2964-0-0x00000000000F0000-0x00000000001A0000-memory.dmp
    Filesize

    704KB

  • memory/2964-13-0x0000000074930000-0x00000000750E0000-memory.dmp
    Filesize

    7.7MB

  • memory/2964-2-0x0000000005190000-0x0000000005734000-memory.dmp
    Filesize

    5.6MB

  • memory/2964-4-0x0000000004BB0000-0x0000000004BC0000-memory.dmp
    Filesize

    64KB

  • memory/4244-14-0x0000000074930000-0x00000000750E0000-memory.dmp
    Filesize

    7.7MB

  • memory/4244-19-0x0000000005840000-0x0000000005850000-memory.dmp
    Filesize

    64KB

  • memory/4244-16-0x00000000059A0000-0x0000000005A06000-memory.dmp
    Filesize

    408KB

  • memory/4244-15-0x0000000005840000-0x0000000005850000-memory.dmp
    Filesize

    64KB

  • memory/4244-17-0x0000000006EA0000-0x0000000006EF0000-memory.dmp
    Filesize

    320KB

  • memory/4244-18-0x0000000074930000-0x00000000750E0000-memory.dmp
    Filesize

    7.7MB

  • memory/4244-10-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB