Overview

overview

10

Static

static

3

file.exe

windows10-2004-x64

10

file.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    file.exe
  • Size 170KB
  • Sample260626-pflmtsa15x
  • SHA256 f2b4f9ac25b35389294ade3fcfe8a8bb5dc1f0e283c5be145a28bd785e993906
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remus_stealerdefense_evasiondiscoverypersistencespywarestealer

Malware Config

Extracted

Family

  • remus_stealer

C2

  • http://myrtler.biz:9549

  • http://carogra.biz:4219

  • http://youngel.biz:8768

Targets

    • Target
      file.exe
    • Size 170KB
    • SHA256 f2b4f9ac25b35389294ade3fcfe8a8bb5dc1f0e283c5be145a28bd785e993906
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryremus_stealerpersistencespywarestealer

    • Detects Remus stealer

    • Family: Remus

      Remus is a stealer written in C++.

      stealerremus_stealer

    • Modifies visibility of file extensions in Explorer

      defense_evasion

    • Downloads MZ/PE file

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Enumerates connected drives

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

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

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

Defense Evasion

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Query Registry

3
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks