Overview

overview

9

Static

static

3

1792850632..._X.exe

windows10-2004-x64

9

1792850632..._X.exe

windows11-ltsc_2024-x64

4

1792850632...er.exe

windows10-2004-x64

8

1792850632...er.exe

windows11-ltsc_2024-x64

8

Sharing

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General

  • Target
    samples.zip
  • Size 17.5MB
  • Sample261024-rese4avthv
  • SHA256 461b6efa3804715915989b7f3d134c4f972a5163e3536e3fdc9314466c880ff6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoveryexecutioninstallerpersistenceprivilege_escalationransomwaretrojan

Malware Config

Targets

    • Target
      1792850632661_ATAS_X.exe
    • Size 2.4MB
    • SHA256 bad2fbb13ce7e6380fd44b6c609b716b8ec85ef7e3f332e240cb07edb560e935
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    discoveryexecutioninstallerpersistenceransomware

    • Renames multiple (703) files with added filename extension

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

      ransomware

    • 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.

    • Checks computer location settings

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

    behavioral1behavioral2
    • Target
      1792850632661_TradeBayInstaller.exe
    • Size 16.1MB
    • SHA256 336f66c0a9d28399ce5d373e3a34756118257a416cba9ebb7e72a25a7cf0b1dc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    defense_evasiondiscoveryinstallerpersistenceprivilege_escalationtrojan

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

      persistenceprivilege_escalation

    • 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

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Network Share Discovery

      Attempt to gather information on host network.

      discovery

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    behavioral3behavioral4

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

2
T1546

Component Object Model Hijacking

1
T1546.015

Image File Execution Options Injection

1
T1546.012

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

2
T1546

Component Object Model Hijacking

1
T1546.015

Image File Execution Options Injection

1
T1546.012

Defense Evasion

Direct Volume Access

1
T1006

Modify Registry

2
T1112

Credential Access

Discovery

Network Share Discovery

1
T1135

Peripheral Device Discovery

1
T1120

Query Registry

6
T1012

System Information Discovery

7
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

2
T1016

Internet Connection Discovery

1
T1016.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks