Analysis

  • max time kernel
    42s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 11:58

General

  • Target

    MV- NAHIDE-M.exe

  • Size

    796KB

  • MD5

    849952b5a2e2e9d5e3511faee9500d61

  • SHA1

    5f31d56b0f1ec4e60471ddbf9395a8371c03e00e

  • SHA256

    6c2107e074b01aec557d9b1ffeca08ab7ab34beb8c6dce3a65f6e2348fc5501e

  • SHA512

    5674a814fd1cf78ce1245a01879c0fc1a0ab336115c3b645c5311bb47ff9335cfaacc3c256726bc2c0d2e8cbe1a8a94d5d50e2c95aceafda732fd0fc21b93a9b

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.shivanilocks.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    rqa4@slpl

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MV- NAHIDE-M.exe
    "C:\Users\Admin\AppData\Local\Temp\MV- NAHIDE-M.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Users\Admin\AppData\Local\Temp\MV- NAHIDE-M.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1464

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/1464-56-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1464-57-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1464-59-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1464-60-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1464-61-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1464-62-0x000000000044803E-mapping.dmp
  • memory/1464-64-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1464-66-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1464-68-0x0000000074A50000-0x0000000074FFB000-memory.dmp
    Filesize

    5.7MB

  • memory/1652-54-0x0000000076721000-0x0000000076723000-memory.dmp
    Filesize

    8KB

  • memory/1652-55-0x0000000074A50000-0x0000000074FFB000-memory.dmp
    Filesize

    5.7MB