Overview

overview

10

Static

static

b69caaef59...19.exe

windows7-x64

10

b69caaef59...19.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b69caaef596715a5ead5aac8af29f95d18454eef8081f3931fa7e9d3663a0c19

  • Size

    68KB

  • Sample

    220725-e2v4aaegej

  • MD5

    b9c10800e4b2245306057caa1dac0704

  • SHA1

    dfc1723db08203c810f4c3275f8b4b8f74e49c23

  • SHA256

    b69caaef596715a5ead5aac8af29f95d18454eef8081f3931fa7e9d3663a0c19

  • SHA512

    72db923625f429479817b61d49f6d930e8c2548c8d1b02e22897fd9d106e8ecfe3bb8be88465f372553312cd9a5b5d235dbf84801ffc09e4ff9092f66d43a2ea

Score
10/10
guloaderdownloaderguloader

Malware Config

Extracted

Family

guloader

C2

https://drive.google.com/uc?export=download&id=1Qv9IyiWXodx2L9TJuKBQsIJ32rn-Ayuq

xor.base64

Targets

    • Target

      b69caaef596715a5ead5aac8af29f95d18454eef8081f3931fa7e9d3663a0c19

    • Size

      68KB

    • MD5

      b9c10800e4b2245306057caa1dac0704

    • SHA1

      dfc1723db08203c810f4c3275f8b4b8f74e49c23

    • SHA256

      b69caaef596715a5ead5aac8af29f95d18454eef8081f3931fa7e9d3663a0c19

    • SHA512

      72db923625f429479817b61d49f6d930e8c2548c8d1b02e22897fd9d106e8ecfe3bb8be88465f372553312cd9a5b5d235dbf84801ffc09e4ff9092f66d43a2ea

    Score
    10/10
    guloaderdownloaderguloader

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Guloader payload

      guloader

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks