Overview

overview

10

Static

static

abfadf2fca...d8.exe

windows7-x64

10

abfadf2fca...d8.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    abfadf2fcaa0d8bf13901960cc14ec23ab396c03d32ad7e102c93584b7cd1dd8

  • Size

    120KB

  • Sample

    220724-2f5rxsahc6

  • MD5

    dcc82e7b59b1b976698866b9a09e5650

  • SHA1

    a01dfeb077699ae00a866db03c043cc8f59bf2e0

  • SHA256

    abfadf2fcaa0d8bf13901960cc14ec23ab396c03d32ad7e102c93584b7cd1dd8

  • SHA512

    9640c3fc4d012be9661c0f77e4ee82f9d377e0381f268d0d3a12322ab13de87ea4fe6e49b6f28bb86a706908127361c1771ea938ea14ee8c51a8d83cd06c25ee

Score
10/10
guloaderdownloaderguloader

Malware Config

Extracted

Family

guloader

C2

https://drive.google.com/uc?export=download&id=1RERXCx6FnJXEeduZ6pvKbHy49ktn_8i3

xor.base64

Targets

    • Target

      abfadf2fcaa0d8bf13901960cc14ec23ab396c03d32ad7e102c93584b7cd1dd8

    • Size

      120KB

    • MD5

      dcc82e7b59b1b976698866b9a09e5650

    • SHA1

      a01dfeb077699ae00a866db03c043cc8f59bf2e0

    • SHA256

      abfadf2fcaa0d8bf13901960cc14ec23ab396c03d32ad7e102c93584b7cd1dd8

    • SHA512

      9640c3fc4d012be9661c0f77e4ee82f9d377e0381f268d0d3a12322ab13de87ea4fe6e49b6f28bb86a706908127361c1771ea938ea14ee8c51a8d83cd06c25ee

    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