Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-03-2024 22:22

General

  • Target

    SecuriteInfo.com.Heur.2253.2163.exe

  • Size

    679KB

  • MD5

    b1422d1b2edbf5a25a17fd89554a34b0

  • SHA1

    79bd1dcad0fa6155fbca11c9a3500baaf46288af

  • SHA256

    d1f0868ae3889a44d3a0f4e0650c8c9f0806cbae37dd5d8966376463b6bcf505

  • SHA512

    2a83d96c2296f53883ce2a2f2004b9f9931adaae8a513782b62a9aebc623b4e4852d185a0fe15944e24c741c6eddf0c31f7366a2ce6360e28dac0193679369d1

  • SSDEEP

    12288:XXqLha5WlNOqfQOztCLLboHdZ6oTePvmkVZJ654R00aqPnfgfIPK1DO88t:nqHp4O+LMZ6oTeP/BccCqfr

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ipr-co.org
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    IPRco@100102@

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Heur.2253.2163.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Heur.2253.2163.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4480
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Heur.2253.2163.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Heur.2253.2163.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3504

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Heur.2253.2163.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/3504-10-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/3504-18-0x0000000074920000-0x00000000750D0000-memory.dmp
    Filesize

    7.7MB

  • memory/3504-17-0x0000000006420000-0x0000000006470000-memory.dmp
    Filesize

    320KB

  • memory/3504-16-0x0000000005500000-0x0000000005566000-memory.dmp
    Filesize

    408KB

  • memory/3504-15-0x00000000055D0000-0x00000000055E0000-memory.dmp
    Filesize

    64KB

  • memory/3504-13-0x0000000074920000-0x00000000750D0000-memory.dmp
    Filesize

    7.7MB

  • memory/4480-8-0x00000000072F0000-0x00000000072FC000-memory.dmp
    Filesize

    48KB

  • memory/4480-0-0x00000000000C0000-0x0000000000170000-memory.dmp
    Filesize

    704KB

  • memory/4480-9-0x00000000023D0000-0x0000000002452000-memory.dmp
    Filesize

    520KB

  • memory/4480-7-0x00000000072C0000-0x00000000072D2000-memory.dmp
    Filesize

    72KB

  • memory/4480-6-0x0000000007320000-0x00000000073BC000-memory.dmp
    Filesize

    624KB

  • memory/4480-14-0x0000000074920000-0x00000000750D0000-memory.dmp
    Filesize

    7.7MB

  • memory/4480-5-0x0000000007040000-0x000000000704A000-memory.dmp
    Filesize

    40KB

  • memory/4480-4-0x0000000007030000-0x0000000007040000-memory.dmp
    Filesize

    64KB

  • memory/4480-3-0x0000000007050000-0x00000000070E2000-memory.dmp
    Filesize

    584KB

  • memory/4480-2-0x0000000007560000-0x0000000007B04000-memory.dmp
    Filesize

    5.6MB

  • memory/4480-1-0x0000000074920000-0x00000000750D0000-memory.dmp
    Filesize

    7.7MB