Analysis

  • max time kernel
    133s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 11:41

General

  • Target

    6b2bb54994181abc60e682522278e12395c5ca18874548fa7f7bd914da065330.exe

  • Size

    634KB

  • MD5

    7d68209ad201cd9d2919016e4ee723d1

  • SHA1

    8dbfae1cdb44bfae0431fa816d7cacab292706c2

  • SHA256

    6b2bb54994181abc60e682522278e12395c5ca18874548fa7f7bd914da065330

  • SHA512

    0f58ca71e1a5be697c31da711f1a249c57fcd3699feb064d5d7150ccd6163ee0177db5078b35f00fc17aabeb44f21da9735921aac6ad05e4c4888f3e93a6d5c3

Malware Config

Signatures

  • AgentTesla

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

  • AgentTesla Payload 20 IoCs
  • 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
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b2bb54994181abc60e682522278e12395c5ca18874548fa7f7bd914da065330.exe
    "C:\Users\Admin\AppData\Local\Temp\6b2bb54994181abc60e682522278e12395c5ca18874548fa7f7bd914da065330.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Users\Admin\AppData\Local\Temp\6b2bb54994181abc60e682522278e12395c5ca18874548fa7f7bd914da065330.exe
      "C:\Users\Admin\AppData\Local\Temp\6b2bb54994181abc60e682522278e12395c5ca18874548fa7f7bd914da065330.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:920

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

  • memory/920-71-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

  • memory/920-59-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

  • memory/920-89-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

  • memory/920-57-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

  • memory/920-72-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

  • memory/920-60-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

  • memory/920-61-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

  • memory/920-73-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

  • memory/920-64-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

  • memory/920-66-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

  • memory/920-68-0x0000000074910000-0x0000000074EBB000-memory.dmp
    Filesize

    5.7MB

  • memory/920-70-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

  • memory/920-56-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

  • memory/920-87-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

  • memory/920-62-0x000000000045979E-mapping.dmp
  • memory/920-74-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

  • memory/920-76-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

  • memory/920-75-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

  • memory/920-78-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

  • memory/920-80-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

  • memory/920-81-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

  • memory/920-84-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

  • memory/920-86-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

  • memory/1312-55-0x0000000074910000-0x0000000074EBB000-memory.dmp
    Filesize

    5.7MB

  • memory/1312-54-0x0000000076451000-0x0000000076453000-memory.dmp
    Filesize

    8KB