General

  • Target

    42.zip

  • Size

    220KB

  • Sample

    250225-yrpcjatns3

  • MD5

    ae68adfbad1465ab666f2a209bc183fe

  • SHA1

    2293c765320ed9a345ca94d19a1e6aa8998df325

  • SHA256

    010e81f7c6be480596af5a3be4e41e14f14165c4c9e055ef6d3b9d40bbc4da62

  • SHA512

    f7affe2e884b08a41133ad7e6dff5ce30b8622249fcec9ad0cb4178fe8f9d3f1c4283736cd35c3a5e3437651c980c2acac725c6734ea7ac0e657328b1ef1782b

  • SSDEEP

    6144:rLN3xpOL/saqkPV9FH2LqgIDSsmw093vZJT3CqbMrhryf65NRPaCieMjAkvCJv1Y:nN3xpOL/saqkPV9FH2LqgIDSsmw093vr

Malware Config

Targets

    • Target

      42.zip

    • Size

      220KB

    • MD5

      ae68adfbad1465ab666f2a209bc183fe

    • SHA1

      2293c765320ed9a345ca94d19a1e6aa8998df325

    • SHA256

      010e81f7c6be480596af5a3be4e41e14f14165c4c9e055ef6d3b9d40bbc4da62

    • SHA512

      f7affe2e884b08a41133ad7e6dff5ce30b8622249fcec9ad0cb4178fe8f9d3f1c4283736cd35c3a5e3437651c980c2acac725c6734ea7ac0e657328b1ef1782b

    • SSDEEP

      6144:rLN3xpOL/saqkPV9FH2LqgIDSsmw093vZJT3CqbMrhryf65NRPaCieMjAkvCJv1Y:nN3xpOL/saqkPV9FH2LqgIDSsmw093vr

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Azorult family

    • Chimera

      Ransomware which infects local and network files, often distributed via Dropbox links.

    • Chimera Ransomware Loader DLL

      Drops/unpacks executable file which resembles Chimera's Loader.dll.

    • Chimera family

    • Lokibot

      Lokibot is a Password and CryptoCoin Wallet Stealer.

    • Lokibot family

    • Modifies Windows Defender Real-time Protection settings

    • Modifies visiblity of hidden/system files in Explorer

    • Process spawned unexpected child process

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

    • RMS

      Remote Manipulator System (RMS) is a remote access tool developed by Russian organization TektonIT.

    • Rms family

    • Windows security bypass

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Remote Service Session Hijacking: RDP Hijacking

      Adversaries may hijack a legitimate user's remote desktop session to move laterally within an environment.

    • Renames multiple (3262) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Server Software Component: Terminal Services DLL

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Stops running service(s)

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Drops desktop.ini file(s)

    • 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.

    • Modifies WinLogon

    • Password Policy Discovery

      Attempt to access detailed information about the password policy used within an enterprise network.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Hide Artifacts: Hidden Users

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks