General

  • Target

    6ac853078ed9b14d6abf932416e4fecc594315fa8bd209853ae888175a2859c7

  • Size

    933KB

  • Sample

    230923-2naxhsag4z

  • MD5

    03fb1671ba20d9e74fcfcc7e2e7e228d

  • SHA1

    37dc2524c87272b1c58f2e583d8d93b96f90555b

  • SHA256

    6ac853078ed9b14d6abf932416e4fecc594315fa8bd209853ae888175a2859c7

  • SHA512

    f208f0619045e90e8a6da02f45b46b1bdb58edda5a25906993a26446ad3f5e0c0e7da356cf07c105879be8478b9725ea3dba9619a7a211ed4d541c4581c87908

  • SSDEEP

    24576:1yh8Tkq4uOzbf+wx75F14LPmKGNSAHhthVBg:QhWkqUbG67TKTmKGNnhnX

Malware Config

Extracted

Family

redline

Botnet

nanya

C2

77.91.124.82:19071

Attributes
  • auth_value

    640aa5afe54f566d8795f0dc723f8b52

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

      6ac853078ed9b14d6abf932416e4fecc594315fa8bd209853ae888175a2859c7

    • Size

      933KB

    • MD5

      03fb1671ba20d9e74fcfcc7e2e7e228d

    • SHA1

      37dc2524c87272b1c58f2e583d8d93b96f90555b

    • SHA256

      6ac853078ed9b14d6abf932416e4fecc594315fa8bd209853ae888175a2859c7

    • SHA512

      f208f0619045e90e8a6da02f45b46b1bdb58edda5a25906993a26446ad3f5e0c0e7da356cf07c105879be8478b9725ea3dba9619a7a211ed4d541c4581c87908

    • SSDEEP

      24576:1yh8Tkq4uOzbf+wx75F14LPmKGNSAHhthVBg:QhWkqUbG67TKTmKGNnhnX

    • Detect Fabookie payload

    • Detect rhadamanthys stealer shellcode

    • Detects Healer an antivirus disabler dropper

    • Fabookie

      Fabookie is facebook account info stealer.

    • Healer

      Healer an antivirus disabler dropper.

    • Modifies Windows Defender Real-time Protection settings

    • 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.

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • 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.

    • Detected potential entity reuse from brand microsoft.

    • 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

Modify Registry

2
T1112

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Scripting

1
T1064

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

Tasks