Overview

overview

10

Static

static

10

f5c9d7e1a4...c7.exe

windows7_x64

10

f5c9d7e1a4...c7.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    f5c9d7e1a4975f9854ffcd690b4ca54dfd4007f48e290300c137c996cdf0f2c7

  • Size

    64KB

  • Sample

    220131-16vh7sdcb9

  • MD5

    50b1d1dfece17fe955bf9da7942c5a73

  • SHA1

    850b3f601b12b29834662eaeccbf3a0b64a1865d

  • SHA256

    f5c9d7e1a4975f9854ffcd690b4ca54dfd4007f48e290300c137c996cdf0f2c7

  • SHA512

    ddf81af3cd83e0f9f496c56943ee34c9e40aceefc962233f6c5abe83376b24db8d0329a685f680d6c433594717e67dfa1c7a4fd611438ea053bba5a4988a2edb

Score
10/10
guloaderdownloaderpersistence

Malware Config

Extracted

Family

guloader

C2

https://drive.google.com/uc?export=download&id=1AVTDLDSQxNt0_L_QntDh2z-sDmXVzSAh

xor.base64

Targets

    • Target

      f5c9d7e1a4975f9854ffcd690b4ca54dfd4007f48e290300c137c996cdf0f2c7

    • Size

      64KB

    • MD5

      50b1d1dfece17fe955bf9da7942c5a73

    • SHA1

      850b3f601b12b29834662eaeccbf3a0b64a1865d

    • SHA256

      f5c9d7e1a4975f9854ffcd690b4ca54dfd4007f48e290300c137c996cdf0f2c7

    • SHA512

      ddf81af3cd83e0f9f496c56943ee34c9e40aceefc962233f6c5abe83376b24db8d0329a685f680d6c433594717e67dfa1c7a4fd611438ea053bba5a4988a2edb

    Score
    10/10
    guloaderdownloaderpersistence

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Sets service image path in registry

      persistence

    • 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

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks