Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2023 10:47

General

  • Target

    77d3daaae1248e670428b17c46a8bdb30b90c175cc70192fb1f7dbee025b9a91.exe

  • Size

    888KB

  • MD5

    a390d1c199622b6608a8b40f77689bd7

  • SHA1

    98d0cb5c4c4f00a1bebe826e60c65eef639a8dc7

  • SHA256

    77d3daaae1248e670428b17c46a8bdb30b90c175cc70192fb1f7dbee025b9a91

  • SHA512

    90d309887bb857ac44e180e526b604977a5943275923934389752ae7044102a16151dedada29a35ad5bf6e63957b40c6043fe241966823d5b067c57b4db53638

  • SSDEEP

    12288:W8obXVUqFOmJ5ZmQj6K2KrMH+JuZA1xBItlafFeIAGdw:hYVVDT7j6l41kcBIE

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1176621449583263805/5JKryEUiTfkpFgwR0jfx1lxhlHrdD27Aj8EDwTK5fF7OvWWBv_Qi0oMYi0fTpMW-lLTE

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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\77d3daaae1248e670428b17c46a8bdb30b90c175cc70192fb1f7dbee025b9a91.exe
    "C:\Users\Admin\AppData\Local\Temp\77d3daaae1248e670428b17c46a8bdb30b90c175cc70192fb1f7dbee025b9a91.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Users\Admin\AppData\Local\Temp\77d3daaae1248e670428b17c46a8bdb30b90c175cc70192fb1f7dbee025b9a91.exe
      "C:\Users\Admin\AppData\Local\Temp\77d3daaae1248e670428b17c46a8bdb30b90c175cc70192fb1f7dbee025b9a91.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2160

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1680-1-0x0000000073F30000-0x000000007461E000-memory.dmp

    Filesize

    6.9MB

  • memory/1680-0-0x0000000000C00000-0x0000000000CE4000-memory.dmp

    Filesize

    912KB

  • memory/1680-2-0x00000000006C0000-0x0000000000700000-memory.dmp

    Filesize

    256KB

  • memory/1680-3-0x0000000000310000-0x0000000000322000-memory.dmp

    Filesize

    72KB

  • memory/1680-4-0x0000000000460000-0x0000000000468000-memory.dmp

    Filesize

    32KB

  • memory/1680-5-0x0000000000570000-0x000000000057A000-memory.dmp

    Filesize

    40KB

  • memory/1680-6-0x0000000004E70000-0x0000000004EEC000-memory.dmp

    Filesize

    496KB

  • memory/1680-7-0x0000000073F30000-0x000000007461E000-memory.dmp

    Filesize

    6.9MB

  • memory/1680-8-0x00000000006C0000-0x0000000000700000-memory.dmp

    Filesize

    256KB

  • memory/1680-20-0x0000000073F30000-0x000000007461E000-memory.dmp

    Filesize

    6.9MB

  • memory/2160-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2160-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2160-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2160-22-0x0000000004AA0000-0x0000000004AE0000-memory.dmp

    Filesize

    256KB

  • memory/2160-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2160-21-0x0000000073F30000-0x000000007461E000-memory.dmp

    Filesize

    6.9MB

  • memory/2160-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2160-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2160-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2160-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2160-23-0x0000000073F30000-0x000000007461E000-memory.dmp

    Filesize

    6.9MB

  • memory/2160-24-0x0000000004AA0000-0x0000000004AE0000-memory.dmp

    Filesize

    256KB