Overview

overview

10

Static

static

3

1a88cd1b38...9e.exe

windows7-x64

10

1a88cd1b38...9e.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 01:04

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General

  • Target

    1a88cd1b38768b690166ed6a6647ca7e975a68b7112c0e938cdfaaea8d509c9e.exe

  • Size

    917KB

  • MD5

    6ee05d4dd363d273ce38c497b1238db1

  • SHA1

    7c4f86c5edfe9cf5d1955c4af44cd8d0a25a0f0a

  • SHA256

    1a88cd1b38768b690166ed6a6647ca7e975a68b7112c0e938cdfaaea8d509c9e

  • SHA512

    db37e14f851f0d2de99cff71a720b72f12db0b388c60f0f89e83f2493364bf8bc72eb2a98dcae065c532a2541fc42ddb199d679b1dab91c6bc426925622e3709

  • SSDEEP

    24576:6yK3B4Tw/bf4vQJTg4i0pMyR++/PhNt96WVp:6N94yU4i0WyD/36WV

Score
10/10
agentteslakeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     ftp
  • Host:
    ftp://ftp.normagroup.com.tr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Qb.X[.j.Yfm[

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

    spywarestealer
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a88cd1b38768b690166ed6a6647ca7e975a68b7112c0e938cdfaaea8d509c9e.exe
    "C:\Users\Admin\AppData\Local\Temp\1a88cd1b38768b690166ed6a6647ca7e975a68b7112c0e938cdfaaea8d509c9e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:384
    • C:\Users\Admin\AppData\Local\Temp\1a88cd1b38768b690166ed6a6647ca7e975a68b7112c0e938cdfaaea8d509c9e.exe
      "C:\Users\Admin\AppData\Local\Temp\1a88cd1b38768b690166ed6a6647ca7e975a68b7112c0e938cdfaaea8d509c9e.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2588

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • memory/384-0-0x000000007490E000-0x000000007490F000-memory.dmp
    Filesize

    4KB

    Download
  • memory/384-1-0x0000000000990000-0x0000000000A7C000-memory.dmp
    Filesize

    944KB

    Download
  • memory/384-2-0x0000000074900000-0x0000000074FEE000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/384-3-0x0000000000450000-0x000000000046A000-memory.dmp
    Filesize

    104KB

    Download
  • memory/384-4-0x0000000000410000-0x0000000000420000-memory.dmp
    Filesize

    64KB

    Download
  • memory/384-5-0x0000000005260000-0x00000000052E2000-memory.dmp
    Filesize

    520KB

    Download
  • memory/384-21-0x0000000074900000-0x0000000074FEE000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/2588-19-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

    Download
  • memory/2588-8-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

    Download
  • memory/2588-17-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

    Download
  • memory/2588-15-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

    Download
  • memory/2588-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2588-11-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

    Download
  • memory/2588-9-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

    Download
  • memory/2588-7-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

    Download
  • memory/2588-20-0x0000000074900000-0x0000000074FEE000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/2588-22-0x0000000074900000-0x0000000074FEE000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/2588-23-0x0000000074900000-0x0000000074FEE000-memory.dmp
    Filesize

    6.9MB

    Download