Overview

overview

10

Static

static

3

0ead90293c...5a.exe

windows7-x64

10

0ead90293c...5a.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    0ead90293cac15537e49f3d31cf728f03b045ea64942d667aa28f037ddd2e219_76308dbe19df6a0ddd245d4edc662bb4b5a39ac39655ce4fee56a178c3c62264.exe

  • Size

    211KB

  • Sample

    240226-ha3ktsfa87

  • MD5

    40e71ef2c864d6f823af49e31f7a0546

  • SHA1

    eda4efc77a286343b00c5cc77104b1e8f3231d54

  • SHA256

    76308dbe19df6a0ddd245d4edc662bb4b5a39ac39655ce4fee56a178c3c62264

  • SHA512

    f6250cfd2c0bf205a30ba7455aadb417c186db46e5500d0d1a07323a961db679c33fecaf3de39045b94dbc46631334e96e4a1d96191ccabdd6991af191c29faa

  • SSDEEP

    1536:Zz3oWfapW9kmei4/8F91LVTexAZAmP9AAn7jkHbStIBRebeBG58A+CkDm8AWsKHw:9ZCpW93VTL6IFBahX586k

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_76308dbe19df6a0ddd245d4edc662bb4b5a39ac39655ce4fee56a178c3c62264.exe

    • Size

      211KB

    • MD5

      40e71ef2c864d6f823af49e31f7a0546

    • SHA1

      eda4efc77a286343b00c5cc77104b1e8f3231d54

    • SHA256

      76308dbe19df6a0ddd245d4edc662bb4b5a39ac39655ce4fee56a178c3c62264

    • SHA512

      f6250cfd2c0bf205a30ba7455aadb417c186db46e5500d0d1a07323a961db679c33fecaf3de39045b94dbc46631334e96e4a1d96191ccabdd6991af191c29faa

    • SSDEEP

      1536:Zz3oWfapW9kmei4/8F91LVTexAZAmP9AAn7jkHbStIBRebeBG58A+CkDm8AWsKHw:9ZCpW93VTL6IFBahX586k

    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