Overview

overview

10

Static

static

5a67e9f653...83.exe

windows7-x64

10

5a67e9f653...83.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    5a67e9f65346a9423156113b8b60337f120d23ff66b5c5c62bcb66b07a688283

  • Size

    48KB

  • Sample

    221125-ky45nsad8s

  • MD5

    9ffe09f834b42493ff398567de88c499

  • SHA1

    a2fed2eeab9d910fc4c4ddbbde438056ec88ed32

  • SHA256

    5a67e9f65346a9423156113b8b60337f120d23ff66b5c5c62bcb66b07a688283

  • SHA512

    8de3c9a95311320c3f1b53545728d3ce546cfcbae75fc37cda2ffcc019c892c8676287e25605e4c2075142658831e2fba7900c5f3622f9edfb683a145337af95

  • SSDEEP

    384:9CopH6A/4i34c8ac8f2clBb1lTEABlayQo2HJccwyzm3KgS7fibQF:9CopH6A/4io+f2wh1K4abfHJoVbQ

Score
10/10
guloaderdownloaderguloader

Malware Config

Extracted

Family

guloader

C2

https://drive.google.com/uc?export=download&id=1CjLNy9FQ6UGCKk0Hd2ScyQzknCRIVmaG

xor.base64

Targets

    • Target

      5a67e9f65346a9423156113b8b60337f120d23ff66b5c5c62bcb66b07a688283

    • Size

      48KB

    • MD5

      9ffe09f834b42493ff398567de88c499

    • SHA1

      a2fed2eeab9d910fc4c4ddbbde438056ec88ed32

    • SHA256

      5a67e9f65346a9423156113b8b60337f120d23ff66b5c5c62bcb66b07a688283

    • SHA512

      8de3c9a95311320c3f1b53545728d3ce546cfcbae75fc37cda2ffcc019c892c8676287e25605e4c2075142658831e2fba7900c5f3622f9edfb683a145337af95

    • SSDEEP

      384:9CopH6A/4i34c8ac8f2clBb1lTEABlayQo2HJccwyzm3KgS7fibQF:9CopH6A/4io+f2wh1K4abfHJoVbQ

    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