Overview

overview

10

Static

static

1

8028ef562b...80.vbs

windows7-x64

8

8028ef562b...80.vbs

windows10-2004-x64

10

Sharing

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General

  • Target

    8028ef562bc9d2bd5035279b7cfd2abbd59ffb292b67a5a431379e2e5aa4b380.vbs

  • Size

    187KB

  • Sample

    240630-bn2gcs1ere

  • MD5

    7b1d4760615cc6bb3cc9219eb1468965

  • SHA1

    a4a57a4155fcd8351a1423134fc60df55769466d

  • SHA256

    8028ef562bc9d2bd5035279b7cfd2abbd59ffb292b67a5a431379e2e5aa4b380

  • SHA512

    49f9045ab51ab2aa7bbb2e76355c18616325af02d4b7a2374eb59d82a3bd9d081e773b96f8c5d78718a9e67acd9b47e8c5cc08e83a59e514b8179c0c91ddaaa1

  • SSDEEP

    3072:ImN8GGebKjeK3ubth+DCFxKCvBB/WnHPP1w/sLJFJ281QIHz1y8mNy7Ey1MgKTZl:I08GxbKja3+DCbKCvBB/WnHXC/sLJFJw

Score
10/10
guloaderdownloaderpersistence

Malware Config

Targets

    • Target

      8028ef562bc9d2bd5035279b7cfd2abbd59ffb292b67a5a431379e2e5aa4b380.vbs

    • Size

      187KB

    • MD5

      7b1d4760615cc6bb3cc9219eb1468965

    • SHA1

      a4a57a4155fcd8351a1423134fc60df55769466d

    • SHA256

      8028ef562bc9d2bd5035279b7cfd2abbd59ffb292b67a5a431379e2e5aa4b380

    • SHA512

      49f9045ab51ab2aa7bbb2e76355c18616325af02d4b7a2374eb59d82a3bd9d081e773b96f8c5d78718a9e67acd9b47e8c5cc08e83a59e514b8179c0c91ddaaa1

    • SSDEEP

      3072:ImN8GGebKjeK3ubth+DCFxKCvBB/WnHPP1w/sLJFJ281QIHz1y8mNy7Ey1MgKTZl:I08GxbKja3+DCbKCvBB/WnHXC/sLJFJw

    Score
    10/10
    guloaderdownloaderpersistence

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Blocklisted process makes network request

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Adds Run key to start application

      persistence

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • 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

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks