Analysis

  • max time kernel
    151s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    21-01-2021 10:15

General

  • Target

    SecuriteInfo.com.Trojan.Packed2.42809.17472.22679.exe

  • Size

    815KB

  • MD5

    1965c283581daeb2fc16e26de73839aa

  • SHA1

    2497d8921572b8a7c78c4f081647b1b0aa931a52

  • SHA256

    09f886079111e9f43ece7c64d2636e55149899597911b91a6b27dd560594a1f1

  • SHA512

    54c3f7538f3b952e4ff363626afc7576f7055d6f85a4f4cd99e7ee0f68dbdae36bce14d673afb60334f9cdb9de83e786c26b13dcf141f7f2bed9f4ea34921351

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    kenanibr@yandex.ru
  • Password:
    strama5150

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.42809.17472.22679.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.42809.17472.22679.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:296
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.42809.17472.22679.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.42809.17472.22679.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1704

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/296-2-0x00000000748D0000-0x0000000074FBE000-memory.dmp
    Filesize

    6.9MB

  • memory/296-3-0x0000000000930000-0x0000000000931000-memory.dmp
    Filesize

    4KB

  • memory/296-5-0x00000000005C0000-0x00000000005E3000-memory.dmp
    Filesize

    140KB

  • memory/296-6-0x0000000004DA0000-0x0000000004DA1000-memory.dmp
    Filesize

    4KB

  • memory/296-7-0x0000000004EE0000-0x0000000004F57000-memory.dmp
    Filesize

    476KB

  • memory/1704-8-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1704-9-0x00000000004374FE-mapping.dmp
  • memory/1704-10-0x00000000748D0000-0x0000000074FBE000-memory.dmp
    Filesize

    6.9MB

  • memory/1704-11-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1704-13-0x0000000004B90000-0x0000000004B91000-memory.dmp
    Filesize

    4KB

  • memory/1704-14-0x0000000004B91000-0x0000000004B92000-memory.dmp
    Filesize

    4KB