Overview

overview

10

Static

static

3

x.exe

windows7-x64

10

x.exe

windows10-2004-x64

6

Sharing

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General

  • Target

    x.exe

  • Size

    543KB

  • Sample

    240426-g2xyzsaf4w

  • MD5

    71596eff0cd3188f1b5fa6ed4c4d3a8f

  • SHA1

    a606e3570367872ef2932c91c1f646e077fd88d2

  • SHA256

    8c198e0fd958f00a38efa3cc347de8ebd7e464b63eec417988032c80832d9014

  • SHA512

    d36faf5a01334ee1f1e52064f9c269b059efe3badb4d110a3fb8baadf6d797c91308b05121fe5b65fcb38d7ce630844825efc54c44b50cb70e10d9b8381de9a0

  • SSDEEP

    6144:LDpoek7OrisQ88lEf74pvF5KPReXAhz9m2nWbt1mi0Y+Kqam3+tvW:47YvElF5+DhYnXmiGamOtvW

Score
10/10
guloaderdownloaderpersistence

Malware Config

Targets

    • Target

      x.exe

    • Size

      543KB

    • MD5

      71596eff0cd3188f1b5fa6ed4c4d3a8f

    • SHA1

      a606e3570367872ef2932c91c1f646e077fd88d2

    • SHA256

      8c198e0fd958f00a38efa3cc347de8ebd7e464b63eec417988032c80832d9014

    • SHA512

      d36faf5a01334ee1f1e52064f9c269b059efe3badb4d110a3fb8baadf6d797c91308b05121fe5b65fcb38d7ce630844825efc54c44b50cb70e10d9b8381de9a0

    • SSDEEP

      6144:LDpoek7OrisQ88lEf74pvF5KPReXAhz9m2nWbt1mi0Y+Kqam3+tvW:47YvElF5+DhYnXmiGamOtvW

    Score
    10/10
    guloaderdownloaderpersistence

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Adds Run key to start application

      persistence

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks