Analysis

  • max time kernel
    60s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    05-05-2022 06:06

General

  • Target

    0f6c975dd9dc51bc14522c8f55864724.exe

  • Size

    602KB

  • MD5

    0f6c975dd9dc51bc14522c8f55864724

  • SHA1

    ec4b675e8eb45d4caf359e0cf897b855db29dff7

  • SHA256

    b7c3b077777303227947d62064fea23a1473f57c07575476e97c92a811b37c46

  • SHA512

    867d95e8525e045575f2f9fe7f165f6840e5df9ada790ca1e79bb28581a6088a77e042ddf63a72659d24384dc72f05990f8b56eaa3511b86c938125596cec6d1

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.hardroot.biz
  • Port:
    587
  • Username:
    home@hardroot.biz
  • Password:
    bigboy247

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.hardroot.biz
  • Port:
    587
  • Username:
    home@hardroot.biz
  • Password:
    bigboy247
  • Email To:
    doc@hardroot.biz

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
  • Modifies system certificate store 2 TTPs 2 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\0f6c975dd9dc51bc14522c8f55864724.exe
    "C:\Users\Admin\AppData\Local\Temp\0f6c975dd9dc51bc14522c8f55864724.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1336
    • C:\Users\Admin\AppData\Local\Temp\0f6c975dd9dc51bc14522c8f55864724.exe
      "C:\Users\Admin\AppData\Local\Temp\0f6c975dd9dc51bc14522c8f55864724.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2036

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

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/1336-54-0x0000000000FF0000-0x000000000108C000-memory.dmp
    Filesize

    624KB

  • memory/1336-55-0x00000000753B1000-0x00000000753B3000-memory.dmp
    Filesize

    8KB

  • memory/1336-56-0x0000000000490000-0x00000000004A8000-memory.dmp
    Filesize

    96KB

  • memory/1336-57-0x0000000005E40000-0x0000000005EBE000-memory.dmp
    Filesize

    504KB

  • memory/1336-58-0x0000000000FB0000-0x0000000000FEA000-memory.dmp
    Filesize

    232KB

  • memory/2036-59-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/2036-60-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/2036-62-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/2036-63-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/2036-64-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/2036-65-0x0000000000435BCE-mapping.dmp
  • memory/2036-67-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/2036-69-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB