Overview

overview

10

Static

static

3

737a4dd3fb...dN.exe

windows7-x64

10

737a4dd3fb...dN.exe

windows10-2004-x64

10

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General

  • Target

    737a4dd3fb8f20c4190e588383f48c3de13c4a7f97d4814d63da02ce4a8fd7edN

  • Size

    585KB

  • Sample

    240919-ga2g4atbjd

  • MD5

    24eb147745e301d8c1ee2726de7ce230

  • SHA1

    cc7a807ad415652bffcae48f4e78c79d12155912

  • SHA256

    737a4dd3fb8f20c4190e588383f48c3de13c4a7f97d4814d63da02ce4a8fd7ed

  • SHA512

    119afb5e5d77a83de7ee9337fa7ffdd36a28d93957d7f4a46a7f70ce04589456eb6bd3786d14220dc9c0902a5c370003e40da179c71c14fcbf146a9f7cfbc429

  • SSDEEP

    6144:3eHwXUU5EYCTvaBjRjWrLJKuKnGML5Njcxmu3ijWrLJKuKnGML5Njcxgu3hjWrL/:3yMUusvalgg5Njam8g5Njagxg5NjagC

Score
10/10
discoveryevasionpersistenceupx

Malware Config

Targets

    • Target

      737a4dd3fb8f20c4190e588383f48c3de13c4a7f97d4814d63da02ce4a8fd7edN

    • Size

      585KB

    • MD5

      24eb147745e301d8c1ee2726de7ce230

    • SHA1

      cc7a807ad415652bffcae48f4e78c79d12155912

    • SHA256

      737a4dd3fb8f20c4190e588383f48c3de13c4a7f97d4814d63da02ce4a8fd7ed

    • SHA512

      119afb5e5d77a83de7ee9337fa7ffdd36a28d93957d7f4a46a7f70ce04589456eb6bd3786d14220dc9c0902a5c370003e40da179c71c14fcbf146a9f7cfbc429

    • SSDEEP

      6144:3eHwXUU5EYCTvaBjRjWrLJKuKnGML5Njcxmu3ijWrLJKuKnGML5Njcxgu3hjWrL/:3yMUusvalgg5Njam8g5Njagxg5NjagC

    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 use of System Restore points

      evasion

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    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

2
T1546

Change Default File Association

1
T1546.001

Image File Execution Options Injection

1
T1546.012

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

2
T1546

Change Default File Association

1
T1546.001

Image File Execution Options Injection

1
T1546.012

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

5
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

3
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