Analysis

  • max time kernel
    135s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    18-10-2021 05:44

General

  • Target

    7HCYDW.exe

  • Size

    439KB

  • MD5

    df149dd69ac46dbfafd8194e3d10a6ab

  • SHA1

    f15fae56c94c46576e7b656ea34d5eb42bd8fda4

  • SHA256

    8715b90fdea709f60563d5cfad92a81de645f3241e25804e6b58e891a11e6192

  • SHA512

    861f099e004e61391f51d2f2266f3d05130db1a817838a2e5e26ba586274593cafa751b88b7a549236131fd8dfaad67ff27ba071334e9202ebb3e3196db75ef8

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.alraedsecurity.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Alraed99pass@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 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
  • 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\7HCYDW.exe
    "C:\Users\Admin\AppData\Local\Temp\7HCYDW.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Users\Admin\AppData\Local\Temp\7HCYDW.exe
      "C:\Users\Admin\AppData\Local\Temp\7HCYDW.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1740

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

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Downloads

  • memory/1200-53-0x00000000012A0000-0x00000000012A1000-memory.dmp
    Filesize

    4KB

  • memory/1200-55-0x00000000751A1000-0x00000000751A3000-memory.dmp
    Filesize

    8KB

  • memory/1200-56-0x00000000049B0000-0x00000000049B1000-memory.dmp
    Filesize

    4KB

  • memory/1200-57-0x0000000000530000-0x0000000000538000-memory.dmp
    Filesize

    32KB

  • memory/1200-58-0x0000000004790000-0x00000000047E8000-memory.dmp
    Filesize

    352KB

  • memory/1740-59-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1740-60-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1740-61-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1740-62-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1740-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1740-64-0x00000000004374BE-mapping.dmp
  • memory/1740-65-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1740-67-0x0000000000250000-0x0000000000251000-memory.dmp
    Filesize

    4KB

  • memory/1740-68-0x0000000000251000-0x0000000000252000-memory.dmp
    Filesize

    4KB