Overview

overview

10

Static

static

5da6c70f14...ba.exe

windows7_x64

10

5da6c70f14...ba.exe

windows10_x64

7

Sharing

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General

  • Target

    5da6c70f145dcb4c50abe95e6b641d3a4c24fbc74f02b19aa40e574b25eaecba

  • Size

    140KB

  • Sample

    210511-wsv3tkxvqe

  • MD5

    3faa4f81a11ffdcb983e3dcf1362cef5

  • SHA1

    e51450139609ec06e9aae677005d8c1a90813d38

  • SHA256

    5da6c70f145dcb4c50abe95e6b641d3a4c24fbc74f02b19aa40e574b25eaecba

  • SHA512

    223e134da32667363fd813f37ceb669c2797f117d93a9738cf6b463d61a251e253cfcf12d9fba313a863c67ac5758836717bd74d163653f1fcc9e861c53dac2b

Score
10/10
guloaderdownloaderguloader

Malware Config

Extracted

Family

guloader

C2

https://drive.google.com/uc?export=download&id=1a5-u_da6L5rWTAc_KR-zeONezIDI0K2b

xor.base64

Targets

    • Target

      5da6c70f145dcb4c50abe95e6b641d3a4c24fbc74f02b19aa40e574b25eaecba

    • Size

      140KB

    • MD5

      3faa4f81a11ffdcb983e3dcf1362cef5

    • SHA1

      e51450139609ec06e9aae677005d8c1a90813d38

    • SHA256

      5da6c70f145dcb4c50abe95e6b641d3a4c24fbc74f02b19aa40e574b25eaecba

    • SHA512

      223e134da32667363fd813f37ceb669c2797f117d93a9738cf6b463d61a251e253cfcf12d9fba313a863c67ac5758836717bd74d163653f1fcc9e861c53dac2b

    Score
    10/10
    guloaderdownloaderguloader

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Guloader Payload

      guloader

    • Checks QEMU agent state file

      Checks state file used by QEMU agent, possibly to detect virtualization.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Query Registry

1
T1012

Virtualization/Sandbox Evasion

1
T1497

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks