Resubmissions

24-01-2023 12:59

230124-p8ae9scg41 10

24-01-2023 12:56

230124-p6mmtacf7v 10

General

  • Target

    b7f8e51419c9c0d1669bb5f447274697b4548c4c

  • Size

    910KB

  • Sample

    230124-p8ae9scg41

  • MD5

    e2f700dd4f26b02938dabb237b0dbe46

  • SHA1

    b7f8e51419c9c0d1669bb5f447274697b4548c4c

  • SHA256

    656b4aca18598d0fc4b53fa2585745d48498ced7d027e115643c7e50a5d92b9d

  • SHA512

    2b88e4041fd1c9de4d5b618529cb100d7e63623a432fed3f205b8aa3bab3e95a47c864c86635cb040463b621435188a1c8c9103c0c1ba6cb851f861886df2a70

  • SSDEEP

    12288:nE/V28nss0h0Pj9ggKdG+PVogHOpi5L7P++FrdvhXuJl9PsMgGTmy9Ph0:nEN28e6JIdGxq7P+wBhOeyM

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.qualitysolutions.co.in
  • Port:
    587
  • Username:
    sales@qualitysolutions.co.in
  • Password:
    9873335231
  • Email To:
    marketing@shaktiinstrumentations.in

Extracted

Family

raccoon

Botnet

1269ed6cdc166a49ecc72e46095cface

C2

http://79.137.197.160/

http://79.137.197.190/

rc4.plain

Targets

    • Target

      b7f8e51419c9c0d1669bb5f447274697b4548c4c

    • Size

      910KB

    • MD5

      e2f700dd4f26b02938dabb237b0dbe46

    • SHA1

      b7f8e51419c9c0d1669bb5f447274697b4548c4c

    • SHA256

      656b4aca18598d0fc4b53fa2585745d48498ced7d027e115643c7e50a5d92b9d

    • SHA512

      2b88e4041fd1c9de4d5b618529cb100d7e63623a432fed3f205b8aa3bab3e95a47c864c86635cb040463b621435188a1c8c9103c0c1ba6cb851f861886df2a70

    • SSDEEP

      12288:nE/V28nss0h0Pj9ggKdG+PVogHOpi5L7P++FrdvhXuJl9PsMgGTmy9Ph0:nEN28e6JIdGxq7P+wBhOeyM

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Raccoon

      Raccoon is an infostealer written in C++ and first seen in 2019.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies Installed Components in the registry

    • Registers COM server for autorun

    • Sets file execution options in registry

    • 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.

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • 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

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

4
T1060

Bootkit

1
T1067

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

4
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

6
T1012

System Information Discovery

7
T1082

Security Software Discovery

1
T1063

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks