Overview

overview

9

Static

static

3

GLP_instal...et.exe

windows7-x64

9

GLP_instal...et.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    GLP_installer_900223086_market.exe

  • Size

    3.7MB

  • Sample

    240807-emgmcatgka

  • MD5

    503a84464431d9fb77fff5c76b9181dc

  • SHA1

    622114e85462b0814c787d30efe11983e3497d33

  • SHA256

    d34ef58261364124c05b91d7874e26e251f64b6ea8c2390a378edbaa4bc9c689

  • SHA512

    947c7974886de6a43df2ebd1543ec6844739e6bb28cf0229a117dcb3f3c115c85293c2e780d1072b65660a49a31650611dc2187bf1d0ea5478a660995644a1fa

  • SSDEEP

    49152:oR7p2tKp8TxbXTtoA6dgvYtBL0H7n41FGYna6wTzAwsxqIaS3Dq2PEFTQ311iKUJ:Y7pgFDpoPdggLL0Hns3aobLebQq5vv

Score
9/10
bootkitdiscoveryevasionpersistenceprivilege_escalationransomware

Malware Config

Targets

    • Target

      GLP_installer_900223086_market.exe

    • Size

      3.7MB

    • MD5

      503a84464431d9fb77fff5c76b9181dc

    • SHA1

      622114e85462b0814c787d30efe11983e3497d33

    • SHA256

      d34ef58261364124c05b91d7874e26e251f64b6ea8c2390a378edbaa4bc9c689

    • SHA512

      947c7974886de6a43df2ebd1543ec6844739e6bb28cf0229a117dcb3f3c115c85293c2e780d1072b65660a49a31650611dc2187bf1d0ea5478a660995644a1fa

    • SSDEEP

      49152:oR7p2tKp8TxbXTtoA6dgvYtBL0H7n41FGYna6wTzAwsxqIaS3Dq2PEFTQ311iKUJ:Y7pgFDpoPdggLL0Hns3aobLebQq5vv

    Score
    9/10
    bootkitdiscoveryevasionpersistenceprivilege_escalationransomware

    • Renames multiple (94) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Downloads MZ/PE file

    • Modifies Windows Firewall

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks