Overview

overview

10

Static

static

10

PO_#20202602.scr

windows7_x64

10

PO_#20202602.scr

windows10-2004_x64

10

Sharing

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General

  • Target

    559103bb7792055adf5d5c093a7813d6d8418f35f4b4c0a81e68486e034f9c2d

  • Size

    16KB

  • Sample

    220701-sahwjahaeq

  • MD5

    b4def7fbba51dd82d44b8093d14a48d8

  • SHA1

    8774b24f34799c07e396232be1321f0f81dbd2e1

  • SHA256

    559103bb7792055adf5d5c093a7813d6d8418f35f4b4c0a81e68486e034f9c2d

  • SHA512

    d1e3e53f8306a655437d104734d2a32d5feb3ca0ba80a79080071bd15af164a7d7aec3d7333b325d92421fa539e1773bb61f012dc994bf397b443456d35440ee

Score
10/10
guloaderdownloaderguloader

Malware Config

Extracted

Family

guloader

C2

https://drive.google.com/uc?export=download&id=1gKqCSICYGIrZRanQX1uIQYJBckKa2fUb

xor.base64

Targets

    • Target

      PO_#20202602.scr

    • Size

      48KB

    • MD5

      45439e2dfdd3b1f54b4952a46b487fa4

    • SHA1

      d8becaffacaf238a8abe233bff210963d0d36e1e

    • SHA256

      bac78784a96599a619b48b9998c449d213cd113bda215a0b6fe11e358e336785

    • SHA512

      38532b48e6e71907fbd569e4e3ee71322f019368efa1db89f39f9a7b0dd5440859c9b824f6d2f0bda4c7c63ea95547f003c3db3fd571b41ffd75fdf07ea225bf

    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