Analysis

  • max time kernel
    129s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 23:47

General

  • Target

    ORD00086120 Salewa.exe

  • Size

    878KB

  • MD5

    77c773f719611dc391fff847c002d58e

  • SHA1

    dd6df0502755ae6b30d258189997cf3e288593bd

  • SHA256

    20b7e7bc13a175206c6c039377366f1755c961d371bd3131d8d03ba4d4e52ea6

  • SHA512

    1af02a1ad9f9d111c8f48799065dd5d2c5a587b4bf0817523379b85924867ca5944921f6ed5292f8b387514aafd2614d66726526655a833283bfbeaecc679b5a

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.tolipgoldenplaza.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Golden@#$2019

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 IoCs
  • Drops file in Drivers directory 1 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ORD00086120 Salewa.exe
    "C:\Users\Admin\AppData\Local\Temp\ORD00086120 Salewa.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1056
    • C:\Users\Admin\AppData\Local\Temp\ORD00086120 Salewa.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1236
      • C:\Windows\SysWOW64\REG.exe
        REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
        3⤵
        • Modifies registry key
        PID:1988

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

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/1056-54-0x0000000000C90000-0x0000000000D72000-memory.dmp
    Filesize

    904KB

  • memory/1056-55-0x0000000000320000-0x000000000032A000-memory.dmp
    Filesize

    40KB

  • memory/1056-56-0x00000000004A0000-0x0000000000506000-memory.dmp
    Filesize

    408KB

  • memory/1056-57-0x0000000004970000-0x00000000049BC000-memory.dmp
    Filesize

    304KB

  • memory/1236-58-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1236-59-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1236-61-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1236-62-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1236-63-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1236-64-0x000000000044765E-mapping.dmp
  • memory/1236-66-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1236-68-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1236-69-0x00000000764C1000-0x00000000764C3000-memory.dmp
    Filesize

    8KB

  • memory/1988-70-0x0000000000000000-mapping.dmp