Analysis

  • max time kernel
    126s
  • max time network
    53s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 02:44

General

  • Target

    e99e93f8216404e47006857d10ac15ed817d9335700c421670526f0d40ed265a.exe

  • Size

    811KB

  • MD5

    dc9d9448caee4e71e1a5c4df0d685924

  • SHA1

    d3161da375478a4f3f72249d920d19b7017dc395

  • SHA256

    e99e93f8216404e47006857d10ac15ed817d9335700c421670526f0d40ed265a

  • SHA512

    308ad252b1c7738c9dad45491770291d755214465dccf399b99d70770c999ab36bfdc90010ed94f3a64f8c333ddedbcd5d19e9c04efa488e7ef18d7412434d78

  • SSDEEP

    24576:S34/up+pJyPwC3OsLRCpN1dVrtHFMqP+:S38PJawsJRalVjLP+

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6813483585:AAGuo7_iQaYrqOce8KYO5QCqhLeR8nk_gNQ/

Signatures

  • AgentTesla

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

  • 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\e99e93f8216404e47006857d10ac15ed817d9335700c421670526f0d40ed265a.exe
    "C:\Users\Admin\AppData\Local\Temp\e99e93f8216404e47006857d10ac15ed817d9335700c421670526f0d40ed265a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3888
    • C:\Users\Admin\AppData\Local\Temp\e99e93f8216404e47006857d10ac15ed817d9335700c421670526f0d40ed265a.exe
      "C:\Users\Admin\AppData\Local\Temp\e99e93f8216404e47006857d10ac15ed817d9335700c421670526f0d40ed265a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e99e93f8216404e47006857d10ac15ed817d9335700c421670526f0d40ed265a.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/3604-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3604-20-0x0000000005AC0000-0x0000000005AD0000-memory.dmp

    Filesize

    64KB

  • memory/3604-19-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB

  • memory/3604-18-0x0000000006810000-0x0000000006860000-memory.dmp

    Filesize

    320KB

  • memory/3604-17-0x0000000005A10000-0x0000000005A76000-memory.dmp

    Filesize

    408KB

  • memory/3604-16-0x0000000005AC0000-0x0000000005AD0000-memory.dmp

    Filesize

    64KB

  • memory/3604-14-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB

  • memory/3888-5-0x0000000005640000-0x000000000564A000-memory.dmp

    Filesize

    40KB

  • memory/3888-9-0x0000000007010000-0x000000000708A000-memory.dmp

    Filesize

    488KB

  • memory/3888-10-0x0000000006DD0000-0x0000000006E6C000-memory.dmp

    Filesize

    624KB

  • memory/3888-8-0x0000000006CC0000-0x0000000006CCA000-memory.dmp

    Filesize

    40KB

  • memory/3888-7-0x0000000006CB0000-0x0000000006CB8000-memory.dmp

    Filesize

    32KB

  • memory/3888-6-0x0000000005930000-0x0000000005948000-memory.dmp

    Filesize

    96KB

  • memory/3888-15-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB

  • memory/3888-0-0x0000000000B80000-0x0000000000C50000-memory.dmp

    Filesize

    832KB

  • memory/3888-4-0x00000000055F0000-0x0000000005600000-memory.dmp

    Filesize

    64KB

  • memory/3888-3-0x00000000056A0000-0x0000000005732000-memory.dmp

    Filesize

    584KB

  • memory/3888-2-0x0000000005C50000-0x00000000061F4000-memory.dmp

    Filesize

    5.6MB

  • memory/3888-1-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB