General

  • Target

    3a1d7b3104e74006ff71fbbc23d83da87aae8c62556aeb24b8929f61bc4031fb.exe

  • Size

    1.8MB

  • Sample

    240520-km2v6scg3v

  • MD5

    f6986f363dde0d5f374abd0a1dac252b

  • SHA1

    4665c53ed2ce6bd84572fc398967d11421e00bab

  • SHA256

    3a1d7b3104e74006ff71fbbc23d83da87aae8c62556aeb24b8929f61bc4031fb

  • SHA512

    733a36f1d2f37aee1fa94ad6e60850f2e6adfbdc4c4e418d204f0fe2b2a9590ed5aa6fb5258f8f1883680dee3835f97bceee83b87f7cc0f58a97a82f38b63201

  • SSDEEP

    49152:Cl/8HKuLWFBWcz/WrNKnun+YrhLOvn7e:8gLWnWczeNZn1VOf7

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/th.php?a=2836&c=1002

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/th.php?a=2841&c=2841

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=458&c=2841

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=458&c=1002

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=444&c=1002

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=444&c=2841

Extracted

Family

amadey

Version

4.20

Botnet

c767c0

C2

http://5.42.96.7

Attributes
  • install_dir

    7af68cdb52

  • install_file

    axplons.exe

  • strings_key

    e2ce58e78f631ed97d01fe7b70e85d5e

  • url_paths

    /zamo7h/index.php

rc4.plain

Extracted

Family

redline

Botnet

1

C2

185.215.113.67:26260

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

Targets

    • Target

      3a1d7b3104e74006ff71fbbc23d83da87aae8c62556aeb24b8929f61bc4031fb.exe

    • Size

      1.8MB

    • MD5

      f6986f363dde0d5f374abd0a1dac252b

    • SHA1

      4665c53ed2ce6bd84572fc398967d11421e00bab

    • SHA256

      3a1d7b3104e74006ff71fbbc23d83da87aae8c62556aeb24b8929f61bc4031fb

    • SHA512

      733a36f1d2f37aee1fa94ad6e60850f2e6adfbdc4c4e418d204f0fe2b2a9590ed5aa6fb5258f8f1883680dee3835f97bceee83b87f7cc0f58a97a82f38b63201

    • SSDEEP

      49152:Cl/8HKuLWFBWcz/WrNKnun+YrhLOvn7e:8gLWnWczeNZn1VOf7

    • Amadey

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

    • RedLine

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

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • UAC bypass

    • XMRig Miner payload

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Stops running service(s)

    • 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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • UPX packed file

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks whether UAC is enabled

    • 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.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks