Overview

overview

8

Static

static

1

reWASD940-11144.exe

windows10-2004-x64

8

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General

  • Target
    reWASD940-11144.exe
  • Size 71.6MB
  • Sample260621-bvyn2saz3k
  • SHA256 8c5e935ab1b2c067b773cb54663b0aad5d334eb880850fba5b69a6e707dd67f7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
defense_evasiondiscoverypersistenceprivilege_escalationransomware

Malware Config

Targets

    • Target
      reWASD940-11144.exe
    • Size 71.6MB
    • SHA256 8c5e935ab1b2c067b773cb54663b0aad5d334eb880850fba5b69a6e707dd67f7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    defense_evasiondiscoverypersistenceprivilege_escalationransomware

    • Drops file in Drivers directory

    • Adds Run key to start application

      persistence

    • Downloads MZ/PE file

    • Enumerates connected drives

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

    • Modifies Windows Firewall

      defense_evasion

    • Network Share Discovery

      Attempt to gather information on host network.

      discovery

    • Checks computer location settings

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

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

Credential Access

Discovery

Network Share Discovery

1
T1135

Peripheral Device Discovery

2
T1120

Query Registry

4
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks