General

  • Target

    1fb435fc2ca0d321fdeb0db74e46700cf6e1909a7d9243ffe45b24fcea9bc80b

  • Size

    927KB

  • Sample

    230923-112ekaaf6y

  • MD5

    ee81ba01c3226c7dbb3974bf97613962

  • SHA1

    989893897ae5f0f2c461507c3d56064ae1bf0faa

  • SHA256

    1fb435fc2ca0d321fdeb0db74e46700cf6e1909a7d9243ffe45b24fcea9bc80b

  • SHA512

    5b6771e1ad06fc7fd2cd9341a0a20e5e6b5a5c78a802ba194afee08e5aee3efc88b0c40add28fe61943002798210173fb04382b57ba984acf75354a4748dad42

  • SSDEEP

    12288:cMrdy90PsOBKJxRR25U6dT0TTCr0oKkuDxCaENsBApHJtk0RemxDrSNRk8vHv:5yAs8iLgfxO3oMFzUJi0ReWHSXk8vHv

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

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Targets

    • Target

      1fb435fc2ca0d321fdeb0db74e46700cf6e1909a7d9243ffe45b24fcea9bc80b

    • Size

      927KB

    • MD5

      ee81ba01c3226c7dbb3974bf97613962

    • SHA1

      989893897ae5f0f2c461507c3d56064ae1bf0faa

    • SHA256

      1fb435fc2ca0d321fdeb0db74e46700cf6e1909a7d9243ffe45b24fcea9bc80b

    • SHA512

      5b6771e1ad06fc7fd2cd9341a0a20e5e6b5a5c78a802ba194afee08e5aee3efc88b0c40add28fe61943002798210173fb04382b57ba984acf75354a4748dad42

    • SSDEEP

      12288:cMrdy90PsOBKJxRR25U6dT0TTCr0oKkuDxCaENsBApHJtk0RemxDrSNRk8vHv:5yAs8iLgfxO3oMFzUJi0ReWHSXk8vHv

    • Detect rhadamanthys stealer shellcode

    • Detects Healer an antivirus disabler dropper

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • 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

    • 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.

    • 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