General

  • Target

    1dbcfa3bb1af2d00f54a7640d7c762e2.exe

  • Size

    182KB

  • Sample

    211209-pzmn8scaf3

  • MD5

    1dbcfa3bb1af2d00f54a7640d7c762e2

  • SHA1

    30d5a37bc22c3605ab5d480b29c928618aa9b25e

  • SHA256

    998fc169ffc3a0733acc834d4634a5fede414e9fecd85bfbbb2ec80ce48810fa

  • SHA512

    d0e2cda58b8b7b1c334691403e3081c907c03a915e6d075820fcf12f24caffcda691ef4b77ef4cb173d0c6a6c2786ccdcbf02f575265d0cfa7b7f9a104431a27

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://rcacademy.at/upload/

http://e-lanpengeonline.com/upload/

http://vjcmvz.cn/upload/

http://galala.ru/upload/

http://witra.ru/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

C2

195.133.47.114:38627

Extracted

Family

redline

Botnet

NoName

C2

185.215.113.29:26828

Extracted

Family

redline

Botnet

1488

C2

80.66.87.52:80

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1

Extracted

Family

systembc

C2

185.209.30.180:4001

Targets

    • Target

      1dbcfa3bb1af2d00f54a7640d7c762e2.exe

    • Size

      182KB

    • MD5

      1dbcfa3bb1af2d00f54a7640d7c762e2

    • SHA1

      30d5a37bc22c3605ab5d480b29c928618aa9b25e

    • SHA256

      998fc169ffc3a0733acc834d4634a5fede414e9fecd85bfbbb2ec80ce48810fa

    • SHA512

      d0e2cda58b8b7b1c334691403e3081c907c03a915e6d075820fcf12f24caffcda691ef4b77ef4cb173d0c6a6c2786ccdcbf02f575265d0cfa7b7f9a104431a27

    • 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.

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • Grants admin privileges

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies RDP port number used by Windows

    • Sets DLL path for service in the registry

    • UPX packed file

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

    • Deletes itself

    • Loads dropped DLL

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks