Overview

overview

10

Static

static

1

c506ac9a87...0f.vbs

windows7-x64

10

c506ac9a87...0f.vbs

windows10-2004-x64

10

Sharing

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General

  • Target

    c506ac9a87485ac16f09afa8f732f7a72699c6f5db222cb347cf8291f5c27d0f.vbs

  • Size

    21KB

  • Sample

    240702-cff15ascnh

  • MD5

    1a705e08ebbfa361df84f04cb5f0976e

  • SHA1

    e3091fec2ae95f28824fec928defaa68e63e189f

  • SHA256

    c506ac9a87485ac16f09afa8f732f7a72699c6f5db222cb347cf8291f5c27d0f

  • SHA512

    bd6b937c3ad2805cac2eb18c1011634e8b50a5bdd9f7af1bec7251429a7cac5214e33003a3da9e9d198fa362461a15b7d3a937ca6ee323ca20b1d6b22128958e

  • SSDEEP

    384:mlzV6m2So022lGP9V6+s0flKJpl/5ZrE5HVnS0Re7PIx+5lEPmgwwgvNRqeGb3OS:ezSR022X/523S0e8xPPmZMhb

Score
10/10
guloaderdownloaderpersistence

Malware Config

Targets

    • Target

      c506ac9a87485ac16f09afa8f732f7a72699c6f5db222cb347cf8291f5c27d0f.vbs

    • Size

      21KB

    • MD5

      1a705e08ebbfa361df84f04cb5f0976e

    • SHA1

      e3091fec2ae95f28824fec928defaa68e63e189f

    • SHA256

      c506ac9a87485ac16f09afa8f732f7a72699c6f5db222cb347cf8291f5c27d0f

    • SHA512

      bd6b937c3ad2805cac2eb18c1011634e8b50a5bdd9f7af1bec7251429a7cac5214e33003a3da9e9d198fa362461a15b7d3a937ca6ee323ca20b1d6b22128958e

    • SSDEEP

      384:mlzV6m2So022lGP9V6+s0flKJpl/5ZrE5HVnS0Re7PIx+5lEPmgwwgvNRqeGb3OS:ezSR022X/523S0e8xPPmZMhb

    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