General

  • Target

    4d31fa46005684caab0ec87d8e72dca8.exe

  • Size

    1.1MB

  • Sample

    230222-dy66psbe21

  • MD5

    4d31fa46005684caab0ec87d8e72dca8

  • SHA1

    6227a9af6a91977a51fba8bbbd4f9c5f720efafd

  • SHA256

    847f2585cb584ae36ddf98de3cdc381dfb09eab5c7695bb8f86730c880d90ba0

  • SHA512

    ac85feef30d2f59718e4e226ce7dc15153200035268811bb92c9493087cc92fef854c340c92c19926ea946f1d62d85f9e22cead2283758fdd7331c0303d24d5f

  • SSDEEP

    24576:+yLUhsFuStuJl0T96/7wraPwxFxsn/NPwZgfJ0roxVp+q:NLUhsftYlaasrhTx0NP4mNx

Malware Config

Extracted

Family

redline

C2

85.31.44.66:17742

Attributes
  • auth_value

    e9a89e5b72a729171b1655add99ee280

Extracted

Family

redline

Botnet

ronur

C2

193.233.20.20:4134

Attributes
  • auth_value

    f88f86755a528d4b25f6f3628c460965

Extracted

Family

redline

Botnet

funka

C2

193.233.20.20:4134

Attributes
  • auth_value

    cdb395608d7ec633dce3d2f0c7fb0741

Extracted

Family

amadey

Version

3.67

C2

193.233.20.15/dF30Hn4m/index.php

Extracted

Family

redline

Botnet

kk1

C2

176.113.115.17:4132

Attributes
  • auth_value

    df169d3f7f631272f7c6bd9a1bb603c3

Extracted

Family

amadey

Version

3.66

C2

62.204.41.88/9vdVVVjsw/index.php

Extracted

Family

amadey

Version

3.65

C2

77.73.134.27/8bmdh3Slb2/index.php

Extracted

Family

redline

Botnet

kk1n

C2

176.113.115.17:4132

Attributes
  • auth_value

    7cc0dba66fd38fdcaf3bf43899aeaf59

Targets

    • Target

      4d31fa46005684caab0ec87d8e72dca8.exe

    • Size

      1.1MB

    • MD5

      4d31fa46005684caab0ec87d8e72dca8

    • SHA1

      6227a9af6a91977a51fba8bbbd4f9c5f720efafd

    • SHA256

      847f2585cb584ae36ddf98de3cdc381dfb09eab5c7695bb8f86730c880d90ba0

    • SHA512

      ac85feef30d2f59718e4e226ce7dc15153200035268811bb92c9493087cc92fef854c340c92c19926ea946f1d62d85f9e22cead2283758fdd7331c0303d24d5f

    • SSDEEP

      24576:+yLUhsFuStuJl0T96/7wraPwxFxsn/NPwZgfJ0roxVp+q:NLUhsftYlaasrhTx0NP4mNx

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Detects PseudoManuscrypt payload

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • PseudoManuscrypt

      PseudoManuscrypt is a malware Lazarus’s Manuscrypt targeting government organizations and ICS.

    • RedLine

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

    • RedLine payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Enumerates VirtualBox registry keys

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Looks for VirtualBox Guest Additions in registry

    • Downloads MZ/PE file

    • 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.

    • 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.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Uses the VBS compiler for execution

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Windows security modification

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks