Overview

overview

10

Static

static

10

6a32a678f3...18.exe

windows7-x64

6

6a32a678f3...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6a32a678f30ddbebaa1cf116cb93d6c6_JaffaCakes118

  • Size

    64KB

  • Sample

    240523-jcga2shf2v

  • MD5

    6a32a678f30ddbebaa1cf116cb93d6c6

  • SHA1

    8723cfc37612d6ace5995bc9fdf7bafde340c88a

  • SHA256

    69c84a0743fa9db1d4d0750592e6fb1e618ed941e0fbe2f2679cbab7acbbaca7

  • SHA512

    0f30844d871b0942c4b7b2bc49a0f7e5374390ab5dfafca96cbd3d490245bebd7961e6f656bf995777bd0992ccad78b75860a7f08455d710d87b374c874f1f14

  • SSDEEP

    768:ENSmGFa2mjEFnR/TTeUp5yn25f9a70701XU95RZom2DqtK:ENfGIjEhR/T95yn0fE70I1XoD2Dt

Score
10/10
guloaderdownloaderguloaderpersistence

Malware Config

Extracted

Family

guloader

C2

http://185.224.128.43/ariiikkkk_encrypted_7EFF1B0.bin

xor.base64

Targets

    • Target

      6a32a678f30ddbebaa1cf116cb93d6c6_JaffaCakes118

    • Size

      64KB

    • MD5

      6a32a678f30ddbebaa1cf116cb93d6c6

    • SHA1

      8723cfc37612d6ace5995bc9fdf7bafde340c88a

    • SHA256

      69c84a0743fa9db1d4d0750592e6fb1e618ed941e0fbe2f2679cbab7acbbaca7

    • SHA512

      0f30844d871b0942c4b7b2bc49a0f7e5374390ab5dfafca96cbd3d490245bebd7961e6f656bf995777bd0992ccad78b75860a7f08455d710d87b374c874f1f14

    • SSDEEP

      768:ENSmGFa2mjEFnR/TTeUp5yn25f9a70701XU95RZom2DqtK:ENfGIjEhR/T95yn0fE70I1XoD2Dt

    Score
    10/10
    persistenceguloaderdownloaderguloader

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Guloader payload

      guloader

    • Adds Run key to start application

      persistence

    • 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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks