Analysis

  • max time kernel
    141s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    21-10-2021 11:35

General

  • Target

    RFQ#777800.exe

  • Size

    486KB

  • MD5

    397b20ae26eaccb4ec2ae5e94f6ee0f0

  • SHA1

    f49012b7adbfd8113781bf46944e884c1f2ee236

  • SHA256

    0269e12654cdeee23a263c2fa347dae7da354dad89e9b618e347f919813cf3f5

  • SHA512

    e0a004fefa3c99e7b52cab147352d103e4cd1389d7221df48959e471e9fc5afbbfc91a9bfeb85e7c601d7c731a59a2c3c14e95588d1164cf1cc42b886322e1b3

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    box5363.bluehost.com
  • Port:
    587
  • Username:
    info@hajartrading.net
  • Password:
    Hajarbh@1993

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 IoCs
  • 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 WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ#777800.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ#777800.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Users\Admin\AppData\Local\Temp\RFQ#777800.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ#777800.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1892

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/848-55-0x0000000000F40000-0x0000000000F41000-memory.dmp
    Filesize

    4KB

  • memory/848-57-0x00000000764D1000-0x00000000764D3000-memory.dmp
    Filesize

    8KB

  • memory/848-58-0x0000000004EA0000-0x0000000004EA1000-memory.dmp
    Filesize

    4KB

  • memory/848-59-0x00000000006A0000-0x00000000006A7000-memory.dmp
    Filesize

    28KB

  • memory/848-60-0x0000000000EB0000-0x0000000000F07000-memory.dmp
    Filesize

    348KB

  • memory/1892-61-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1892-62-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1892-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1892-64-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1892-66-0x0000000000436D6E-mapping.dmp
  • memory/1892-65-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1892-67-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1892-69-0x0000000004C90000-0x0000000004C91000-memory.dmp
    Filesize

    4KB