Resubmissions

09-04-2024 07:01

240409-htps3scd2w 10

09-04-2024 07:01

240409-htf6yacc9x 10

09-04-2024 07:00

240409-hs6p7scc81 10

09-04-2024 07:00

240409-hss44scc7z 10

07-03-2024 22:29

240307-2eh7jagg41 10

General

  • Target

    New Text Document mod.exse.zip

  • Size

    7KB

  • Sample

    240409-hs6p7scc81

  • MD5

    a7b1b22096cf2b8b9a0156216871768a

  • SHA1

    48acafe87df586a0434459b068d9323d20f904cb

  • SHA256

    82fbb67bf03714661b75a49245c8fe42141e7b68dda3f97f765eb1f2e00a89a9

  • SHA512

    35b3c89b18135e3aca482b376f5013557db636a332a18c4b43d34d3983e5d070a926c95e40966fafea1d54569b9e3c4ab483eaca81b015724d42db24b5f3805f

  • SSDEEP

    192:R5ghioVh+82eei8mXvdTghioVh+82eei8mXvK1B:jHWTHWW

Malware Config

Extracted

Family

redline

Botnet

6077866846

C2

https://pastebin.com/raw/KE5Mft0T

Extracted

Family

metasploit

Version

metasploit_stager

C2

91.92.247.21:8405

Extracted

Family

xworm

C2

94.156.8.213:58002

Attributes
  • Install_directory

    %Public%

  • install_file

    svchost.exe

Extracted

Family

remcos

Botnet

RemoteHost

C2

shgoini.com:30902

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-7XHN5V

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Targets

    • Target

      New Text Document mod.exe

    • Size

      8KB

    • MD5

      69994ff2f00eeca9335ccd502198e05b

    • SHA1

      b13a15a5bea65b711b835ce8eccd2a699a99cead

    • SHA256

      2e2e035ece4accdee838ecaacdc263fa526939597954d18d1320d73c8bf810c2

    • SHA512

      ced53147894ed2dfc980bcb50767d9734ba8021f85842a53bb4bb4c502d51b4e9884f5f74c4dd2b70b53cafbe2441376675f7bd0f19bb20a3becb091a34fb9f3

    • SSDEEP

      96:y7ov9wc1dN1Unh3EHJ40CUJCrQt0LpCBIW12nEtgpH9GIkQYQoBNw9fnmK5iLjTv:yZyTFJfCB20LsBIW12n/eIkQ2BNg5S1

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Detect Xworm Payload

    • Detect ZGRat V1

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • Stealc

      Stealc is an infostealer written in C++.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target

      New Text Document mod.exse

    • Size

      8KB

    • MD5

      69994ff2f00eeca9335ccd502198e05b

    • SHA1

      b13a15a5bea65b711b835ce8eccd2a699a99cead

    • SHA256

      2e2e035ece4accdee838ecaacdc263fa526939597954d18d1320d73c8bf810c2

    • SHA512

      ced53147894ed2dfc980bcb50767d9734ba8021f85842a53bb4bb4c502d51b4e9884f5f74c4dd2b70b53cafbe2441376675f7bd0f19bb20a3becb091a34fb9f3

    • SSDEEP

      96:y7ov9wc1dN1Unh3EHJ40CUJCrQt0LpCBIW12nEtgpH9GIkQYQoBNw9fnmK5iLjTv:yZyTFJfCB20LsBIW12n/eIkQ2BNg5S1

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Detect Xworm Payload

    • Detect ZGRat V1

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • Stealc

      Stealc is an infostealer written in C++.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

2
T1053

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Scheduled Task/Job

2
T1053

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Scheduled Task/Job

2
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

4
T1112

Subvert Trust Controls

2
T1553

Install Root Certificate

2
T1553.004

Credential Access

Unsecured Credentials

5
T1552

Credentials In Files

5
T1552.001

Discovery

Query Registry

14
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

12
T1082

Peripheral Device Discovery

2
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

5
T1005

Command and Control

Web Service

2
T1102

Tasks

static1

Score
3/10

behavioral1

metasploitredlineriseproxwormzgrat6077866846backdoordiscoveryevasioninfostealerpersistenceratspywarestealerthemidatrojan
Score
10/10

behavioral2

metasploitredlineremcosriseproxwormzgrat6077866846remotehostbackdoorevasioninfostealerratstealerthemidatrojan
Score
10/10

behavioral3

metasploitredlinestealcxwormzgrat6077866846backdoordiscoveryevasioninfostealerratstealerthemidatrojan
Score
10/10

behavioral4

asyncratmetasploitredlinestealcxwormzgrat6077866846backdoordiscoveryevasioninfostealerpersistenceratspywarestealerthemidatrojan
Score
10/10

behavioral5

metasploitredlineriseproxwormzgrat6077866846backdoordiscoveryevasioninfostealerpersistenceratstealerthemidatrojan
Score
10/10

behavioral6

metasploitredlineriseprostealcxwormzgrat6077866846backdoordiscoveryevasioninfostealerpersistenceratspywarestealerthemidatrojan
Score
10/10

behavioral7

metasploitredlinestealcxwormzgrat6077866846backdoordiscoveryevasioninfostealerpersistenceratstealerthemidatrojan
Score
10/10

behavioral8

asyncratmetasploitredlinestealcxwormzgrat6077866846backdoordiscoveryevasioninfostealerpersistenceratspywarestealerthemidatrojan
Score
10/10