Overview

overview

10

Static

static

5

b22d87aee4...9N.exe

windows7-x64

10

b22d87aee4...9N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b22d87aee4a5fc943050b70a5e87bff9d27f70a9a10a3d9b2ccce4e61b668d09N

  • Size

    91KB

  • Sample

    240928-vtnl8szcrd

  • MD5

    4739b0ea23c47282ed2f908ba7148610

  • SHA1

    24b815a2d57db9448c445068b453756f478d4ec4

  • SHA256

    b22d87aee4a5fc943050b70a5e87bff9d27f70a9a10a3d9b2ccce4e61b668d09

  • SHA512

    ff7ea8282157c918024020df54dfe5cfa60e9444d596999ba7b4b6729d9609a8bd584fdd5aec499124c3d03de2087a9d61dd1f0f167376d07bd4103ab1c19b9d

  • SSDEEP

    1536:XJRtlEnBHHIgabuYotV/JbJCX5SBioJRtlEnBHHIgabuYotV/JbJCX5SBiE:XvtYxOuYotvYQIovtYxOuYotvYQIE

Score
10/10
discoveryevasionpersistenceupx

Malware Config

Targets

    • Target

      b22d87aee4a5fc943050b70a5e87bff9d27f70a9a10a3d9b2ccce4e61b668d09N

    • Size

      91KB

    • MD5

      4739b0ea23c47282ed2f908ba7148610

    • SHA1

      24b815a2d57db9448c445068b453756f478d4ec4

    • SHA256

      b22d87aee4a5fc943050b70a5e87bff9d27f70a9a10a3d9b2ccce4e61b668d09

    • SHA512

      ff7ea8282157c918024020df54dfe5cfa60e9444d596999ba7b4b6729d9609a8bd584fdd5aec499124c3d03de2087a9d61dd1f0f167376d07bd4103ab1c19b9d

    • SSDEEP

      1536:XJRtlEnBHHIgabuYotV/JbJCX5SBioJRtlEnBHHIgabuYotV/JbJCX5SBiE:XvtYxOuYotvYQIovtYxOuYotvYQIE

    Score
    10/10
    discoveryevasionpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

6
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks