Analysis

  • max time kernel
    120s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    06-10-2023 15:34

General

  • Target

    NEAS.b2e287869df9d791c2701b65366a24c1exe_JC.exe

  • Size

    98KB

  • MD5

    b2e287869df9d791c2701b65366a24c1

  • SHA1

    29f329a059cdd47fa54f61cd03060b91510a2530

  • SHA256

    88a4db278dbd7534d6e9faa9c13838cf53b251aec51e46a025012debe54bc99b

  • SHA512

    4a1b767ea9fdc90b419339e4d46c798fc112b4acb6d5b7d771ce223c7dc4c336e553eb490b99d3990b5d5766301d243b4864e3deed2053553fba61e2bde66d25

  • SSDEEP

    768:m87K58e1EDt+HrdiCqlk/GH6wgrDVfAx7Dt:ZloEB+Bcawg3VfA3

Malware Config

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.b2e287869df9d791c2701b65366a24c1exe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.b2e287869df9d791c2701b65366a24c1exe_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2220-19-0x0000000074840000-0x0000000074F2E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-1-0x0000000074840000-0x0000000074F2E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-2-0x00000000002E0000-0x0000000000320000-memory.dmp

    Filesize

    256KB

  • memory/2220-3-0x0000000004400000-0x0000000004450000-memory.dmp

    Filesize

    320KB

  • memory/2220-4-0x0000000000AE0000-0x0000000000B20000-memory.dmp

    Filesize

    256KB

  • memory/2220-5-0x0000000004D30000-0x0000000004D7C000-memory.dmp

    Filesize

    304KB

  • memory/2220-6-0x0000000074840000-0x0000000074F2E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-7-0x00000000002E0000-0x0000000000320000-memory.dmp

    Filesize

    256KB

  • memory/2220-0-0x0000000000B90000-0x0000000000BAE000-memory.dmp

    Filesize

    120KB

  • memory/2592-8-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2592-10-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2592-11-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2592-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2592-14-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2592-16-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2592-18-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2592-9-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB