Overview

overview

10

Static

static

634504a104...ba.exe

windows7_x64

10

634504a104...ba.exe

windows10_x64

3

Analysis

  • max time kernel
    90s
  • max time network
    54s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    07-07-2020 15:37

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General

  • Target

    634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe

  • Size

    549KB

  • MD5

    199ea7a5bb866bc8d6abd64d6aed6355

  • SHA1

    bcb3a35ac77d85e2b53be7e671554d76a91ef315

  • SHA256

    634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba

  • SHA512

    99f1759ef750bc840c525c65d1289e94bf3c1e2e2e3b5a6f14223c7a79578b16eede76e93655cba7fcdd88cedcd1af01f3f3ddd7530b5b44717942c909ea86e6

Score
10/10
agentteslakeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    5@!))(3gvE7

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 4 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

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

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

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

    spyware
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe
    "C:\Users\Admin\AppData\Local\Temp\634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1388
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pGUzlwtNm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEFCA.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1048
    • C:\Users\Admin\AppData\Local\Temp\634504a104cbbdd153e75bd778266a8ae7553fda4d477beefc3c8e7bdbc65fba.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1364

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

3
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpEFCA.tmp
    MD5

    edb9bc1198fd5ceb0229cf399cb8d1af

    SHA1

    a07c5ab50727a89fe2e4240967a4869e25c94925

    SHA256

    6466d373ae8ee7f551cd81cf862d2adeb7585d5058f8504df0fd3108fc524eed

    SHA512

    6a427fa949ea700597b8f8f9e745d6d988f0c2299628c19490db0abd2b20cd90471ba6ad0135f5cf8cdc134ea4791ba49768121cba941dc565ecf47586791132

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  • memory/1048-2-0x0000000000000000-mapping.dmp
    Download
  • memory/1364-4-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1364-5-0x00000000004472CE-mapping.dmp
    Download
  • memory/1364-6-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1364-7-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1388-1-0x0000000000000000-0x0000000000000000-disk.dmp
    Download