Overview

overview

10

Static

static

1

78a74e42bc...97.vbs

windows7-x64

10

78a74e42bc...97.vbs

windows10-2004-x64

8

Sharing

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General

  • Target

    78a74e42bcf0d0df7cb482f178307235d60fbf59754456c2f742c4510dc83697.vbs

  • Size

    42KB

  • Sample

    240419-by33yaea3w

  • MD5

    e93e1296b7e4688e847b299faed3bef2

  • SHA1

    b3a6d46e8b062e47efd38e88d85d10125cff102d

  • SHA256

    78a74e42bcf0d0df7cb482f178307235d60fbf59754456c2f742c4510dc83697

  • SHA512

    3ab1406dc11bca238d5d60ebebc07bd8b779a9965a78e7f86ed4dee4083249922f3342dbf91cfaa17d6713db4140c08689c83119cd66fabace212ebefd77a650

  • SSDEEP

    768:Ha5MtHHJjzte49JZvrkudqaki7XyrWCWvcN59xwYyZ:HLtFzMaZv5QOrZCdPwY+

Score
10/10
guloaderdownloaderpersistence

Malware Config

Targets

    • Target

      78a74e42bcf0d0df7cb482f178307235d60fbf59754456c2f742c4510dc83697.vbs

    • Size

      42KB

    • MD5

      e93e1296b7e4688e847b299faed3bef2

    • SHA1

      b3a6d46e8b062e47efd38e88d85d10125cff102d

    • SHA256

      78a74e42bcf0d0df7cb482f178307235d60fbf59754456c2f742c4510dc83697

    • SHA512

      3ab1406dc11bca238d5d60ebebc07bd8b779a9965a78e7f86ed4dee4083249922f3342dbf91cfaa17d6713db4140c08689c83119cd66fabace212ebefd77a650

    • SSDEEP

      768:Ha5MtHHJjzte49JZvrkudqaki7XyrWCWvcN59xwYyZ:HLtFzMaZv5QOrZCdPwY+

    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