General

  • Target

    e342165e413fdf230ff4899610a2783e01c17e1ee37f1a77f3df8b198c08cc3d

  • Size

    239KB

  • Sample

    230923-1rsq3aae9y

  • MD5

    8a8248b808730d8d6c88c2173725db6d

  • SHA1

    61f2ca657626022533334f5c8565a87806bfca7e

  • SHA256

    e342165e413fdf230ff4899610a2783e01c17e1ee37f1a77f3df8b198c08cc3d

  • SHA512

    7c582870fc09d436a7d8147b9350f18e87996179e3f1c753d8a34fea0a8e68bfd8be624c4bb4694d3a698be73b8541083b23f049ab8321e594933a0c87371dfe

  • SSDEEP

    6144:C946fuYXChoQTjlFgLuCY1dRuAOMOh7gGyxTw8y0:CqYzXChdTbv1bu3LQTw8y

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

fabookie

C2

http://app.nnnaajjjgc.com/check/safe

Targets

    • Target

      e342165e413fdf230ff4899610a2783e01c17e1ee37f1a77f3df8b198c08cc3d

    • Size

      239KB

    • MD5

      8a8248b808730d8d6c88c2173725db6d

    • SHA1

      61f2ca657626022533334f5c8565a87806bfca7e

    • SHA256

      e342165e413fdf230ff4899610a2783e01c17e1ee37f1a77f3df8b198c08cc3d

    • SHA512

      7c582870fc09d436a7d8147b9350f18e87996179e3f1c753d8a34fea0a8e68bfd8be624c4bb4694d3a698be73b8541083b23f049ab8321e594933a0c87371dfe

    • SSDEEP

      6144:C946fuYXChoQTjlFgLuCY1dRuAOMOh7gGyxTw8y0:CqYzXChdTbv1bu3LQTw8y

    • Detect Fabookie payload

    • Detect rhadamanthys stealer shellcode

    • Fabookie

      Fabookie is facebook account info stealer.

    • Phobos

      Phobos ransomware appeared at the beginning of 2019.

    • RedLine

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

    • RedLine payload

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Drops startup file

    • 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.

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook profiles

    • 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.

    • Drops desktop.ini file(s)

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scripting

1
T1064

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

6
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Impact

Inhibit System Recovery

2
T1490

Tasks