Overview

overview

10

Static

static

3

370eb5b97a...24.exe

windows7-x64

10

370eb5b97a...24.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    370eb5b97aae87849c88174742049624.exe

  • Size

    60KB

  • Sample

    240110-xvfdcsebck

  • MD5

    370eb5b97aae87849c88174742049624

  • SHA1

    c6269ee6a89a9b23edd760f6f3824967886302ca

  • SHA256

    ecb4237d66f2000f1cefc832ff1f03a91856f1374646e80855c29eba23abe794

  • SHA512

    d0d6740acaa82cbcdff072a94cac2d695b5d75123c0ce177cc7e034b7e2cc3f77e5158436fca23034511a15828072be274df689794ae933f47973c76e2c6e8e3

  • SSDEEP

    768:uS8R8zs0uTCaclwUk+W5qXgXT/JdfFRj0Vl/z:uSM0uTXclwUk/51j/Dr2pz

Score
10/10
guloaderdownloaderguloaderpersistence

Malware Config

Extracted

Family

guloader

C2

https://drive.google.com/uc?export=download&id=1lw277A8TCTymmoU3xcAVyYliTFln3LiG

xor.base64

Targets

    • Target

      370eb5b97aae87849c88174742049624.exe

    • Size

      60KB

    • MD5

      370eb5b97aae87849c88174742049624

    • SHA1

      c6269ee6a89a9b23edd760f6f3824967886302ca

    • SHA256

      ecb4237d66f2000f1cefc832ff1f03a91856f1374646e80855c29eba23abe794

    • SHA512

      d0d6740acaa82cbcdff072a94cac2d695b5d75123c0ce177cc7e034b7e2cc3f77e5158436fca23034511a15828072be274df689794ae933f47973c76e2c6e8e3

    • SSDEEP

      768:uS8R8zs0uTCaclwUk+W5qXgXT/JdfFRj0Vl/z:uSM0uTXclwUk/51j/Dr2pz

    Score
    10/10
    guloaderdownloaderguloaderpersistence

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Guloader payload

      guloader

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • 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

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks