General

  • Target

    bfc9048b5381ff08e29ca318b0cacd70.exe

  • Size

    216KB

  • Sample

    240121-mm8ptsbcdp

  • MD5

    bfc9048b5381ff08e29ca318b0cacd70

  • SHA1

    ff11d18cce7d80134b0e211ba154be3775e559b8

  • SHA256

    5dee4356ac787ee4f83cfe7268df01b8b6c77ef42cfcd98ed3773745780fcdd2

  • SHA512

    cb3cd3fac0f4bef1035e71f003a0ec585a621d5ab9d0ec5f727e7ba40c969c4eed8b42e4f8232c5dd33295e64263951e485b15b31031f9a6d31a49b4885503e0

  • SSDEEP

    3072:R02xEu9fAZYC8Wa+cb41u76ZGcJzJnmsawZt7/zZoUxUHw:RjWu9fqYr6ZXVawTC

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://trad-einmyus.com/index.php

http://tradein-myus.com/index.php

http://trade-inmyus.com/index.php

rc4.i32
rc4.i32

Extracted

Family

djvu

C2

http://habrafa.com/test1/get.php

Attributes
  • extension

    .cdpo

  • offline_id

    Bn3q97hwLouKbhkQRNO4SeV07gjdEQVm8NKhg0t1

  • payload_url

    http://brusuax.com/dl/build2.exe

    http://habrafa.com/files/1/build3.exe

  • ransomnote

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rsa_pubkey.plain

Extracted

Family

risepro

C2

193.233.132.62:50500

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @logsdillabot)

C2

45.15.156.60:12050

Extracted

Family

asyncrat

Botnet

Default

C2

91.92.241.54:4782

Mutex

my3GΕuPuz比kPhN9Y比

Attributes
  • delay

    1

  • install

    true

  • install_file

    mservice.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

91.92.248.67:6606

91.92.248.67:7707

91.92.248.67:8808

Mutex

MOgiiF6Liim5

Attributes
  • delay

    3

  • install

    false

  • install_file

    temp.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      bfc9048b5381ff08e29ca318b0cacd70.exe

    • Size

      216KB

    • MD5

      bfc9048b5381ff08e29ca318b0cacd70

    • SHA1

      ff11d18cce7d80134b0e211ba154be3775e559b8

    • SHA256

      5dee4356ac787ee4f83cfe7268df01b8b6c77ef42cfcd98ed3773745780fcdd2

    • SHA512

      cb3cd3fac0f4bef1035e71f003a0ec585a621d5ab9d0ec5f727e7ba40c969c4eed8b42e4f8232c5dd33295e64263951e485b15b31031f9a6d31a49b4885503e0

    • SSDEEP

      3072:R02xEu9fAZYC8Wa+cb41u76ZGcJzJnmsawZt7/zZoUxUHw:RjWu9fqYr6ZXVawTC

    • AsyncRat

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

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detect Vidar Stealer

    • Detect ZGRat V1

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • 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.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Async RAT payload

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • 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.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

File and Directory Permissions Modification

1
T1222

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

4
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Remote System Discovery

1
T1018

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks