Overview

overview

10

Static

static

3

0ead90293c...19.exe

windows7-x64

10

0ead90293c...19.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    0ead90293cac15537e49f3d31cf728f03b045ea64942d667aa28f037ddd2e219.exe

  • Size

    192KB

  • Sample

    240226-he6s2sff8w

  • MD5

    963bfbe055df7055ca9ad2517aba9d47

  • SHA1

    ef25abba278a72f686f8d7cfc4dfe9296d524c93

  • SHA256

    0ead90293cac15537e49f3d31cf728f03b045ea64942d667aa28f037ddd2e219

  • SHA512

    315b2f6aa99a662261492754fd1f31dec7864d51bc624cd4bc8a13bc8828150f10fd210436d7a1f47006dc06b8256f74c1ef0d7f855bda3a85406a9d4e482929

  • SSDEEP

    1536:Zz3oWfapW9kmei4/8F91LVTexAZAmP9AAn7jkHbStIBRebeBG58A+CkDm8AWsKHj:9ZCpW93VTL6IFBahX586

Score
10/10
guloaderdownloaderguloaderpersistence

Malware Config

Extracted

Family

guloader

C2

https://drive.google.com/uc?export=download&id=1P9WbHExzGZLrIS4o6Wry38Lr7jT-a0R6

xor.base64

Targets

    • Target

      0ead90293cac15537e49f3d31cf728f03b045ea64942d667aa28f037ddd2e219.exe

    • Size

      192KB

    • MD5

      963bfbe055df7055ca9ad2517aba9d47

    • SHA1

      ef25abba278a72f686f8d7cfc4dfe9296d524c93

    • SHA256

      0ead90293cac15537e49f3d31cf728f03b045ea64942d667aa28f037ddd2e219

    • SHA512

      315b2f6aa99a662261492754fd1f31dec7864d51bc624cd4bc8a13bc8828150f10fd210436d7a1f47006dc06b8256f74c1ef0d7f855bda3a85406a9d4e482929

    • SSDEEP

      1536:Zz3oWfapW9kmei4/8F91LVTexAZAmP9AAn7jkHbStIBRebeBG58A+CkDm8AWsKHj:9ZCpW93VTL6IFBahX586

    Score
    10/10
    guloaderdownloaderguloaderpersistence

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Guloader payload

      guloader

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • 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

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks