Analysis

  • max time kernel
    77s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2022 07:39

General

  • Target

    e8e4c2354988b253175f2d1eb6de9992.exe

  • Size

    774KB

  • MD5

    e8e4c2354988b253175f2d1eb6de9992

  • SHA1

    0f6d973f344e92b9b7372f3d14bcbdedebdf37d9

  • SHA256

    d6399f09ce6de3c04d085c2d65bbd5bd3995aaa60d050229272b1650e19a2e86

  • SHA512

    d4effa3396399e141354a1953c034db2bb2c72f235bac0230b3e18a5ec3f9360a080b630dfc3025e4d279a7a57a6e79f17e35dfd3abcd9a2653282b74e611da9

  • SSDEEP

    12288:6cAbD+/gRVxUCsjAHKtPLgkiHJ8XC0U4ZT9P/CYeI:8bD6DpMSWHJoUYlu

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5618720367:AAFqeS2K5cBYFRaIBpS6oi_RaSYSI0_A__w/

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e8e4c2354988b253175f2d1eb6de9992.exe
    "C:\Users\Admin\AppData\Local\Temp\e8e4c2354988b253175f2d1eb6de9992.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Users\Admin\AppData\Local\Temp\e8e4c2354988b253175f2d1eb6de9992.exe
      "C:\Users\Admin\AppData\Local\Temp\e8e4c2354988b253175f2d1eb6de9992.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:5092

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e8e4c2354988b253175f2d1eb6de9992.exe.log
    Filesize

    1KB

    MD5

    e08f822522c617a40840c62e4b0fb45e

    SHA1

    ae516dca4da5234be6676d3f234c19ec55725be7

    SHA256

    bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

    SHA512

    894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

  • memory/1660-132-0x0000000000B00000-0x0000000000BC8000-memory.dmp
    Filesize

    800KB

  • memory/1660-133-0x0000000005CA0000-0x0000000006244000-memory.dmp
    Filesize

    5.6MB

  • memory/1660-134-0x00000000055B0000-0x0000000005642000-memory.dmp
    Filesize

    584KB

  • memory/1660-135-0x0000000005560000-0x000000000556A000-memory.dmp
    Filesize

    40KB

  • memory/1660-136-0x0000000007C70000-0x0000000007D0C000-memory.dmp
    Filesize

    624KB

  • memory/1660-137-0x0000000007E10000-0x0000000007E76000-memory.dmp
    Filesize

    408KB

  • memory/5092-138-0x0000000000000000-mapping.dmp
  • memory/5092-139-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/5092-141-0x0000000006590000-0x00000000065E0000-memory.dmp
    Filesize

    320KB