Analysis

  • max time kernel
    112s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-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 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
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 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:3152
    • 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:4628

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

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\MV- NAHIDE-M.exe.log
    Filesize

    676B

    MD5

    5e77f82fff2b633676ca6122d9c67d6e

    SHA1

    44727ef55da61a36d139481674beb762c95e7ce3

    SHA256

    96515688ab6e198ab094f45a49e8c9f6fc748627fbae4322e42d7ee8a7a58a0f

    SHA512

    4b23268a3e4e7ded7461305f2ed0ea128e5e0397a47b6ac9597bc9701b6da5bc88c657e21c6d09a1799b61e006b7d99c12b957d30f04fcca17931896b352731a

  • memory/3152-130-0x00000000747F0000-0x0000000074DA1000-memory.dmp
    Filesize

    5.7MB

  • memory/4628-131-0x0000000000000000-mapping.dmp
  • memory/4628-132-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/4628-134-0x00000000747F0000-0x0000000074DA1000-memory.dmp
    Filesize

    5.7MB