General

  • Target

    b721f2f38f6b5cd68b6b517b27d9963d10fea83d2ba35421791c64e1aaa5e030

  • Size

    299KB

  • Sample

    211209-3l7ddagadj

  • MD5

    585ae6e8ecf9cd94f8abe91362f17073

  • SHA1

    8df2a24e6d8e8949152d4a0d61dd9aa7d718bdec

  • SHA256

    b721f2f38f6b5cd68b6b517b27d9963d10fea83d2ba35421791c64e1aaa5e030

  • SHA512

    6d4e646a90ce2cd202ab4719b818009dc8670191f7a08cc2e54a62b6577af1a00ea00550e3e1b99bb4bfd527dbd1c44dc6c2d0c6de3b8b86bdf880ad73bf74d6

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

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

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

Targets

    • Target

      b721f2f38f6b5cd68b6b517b27d9963d10fea83d2ba35421791c64e1aaa5e030

    • Size

      299KB

    • MD5

      585ae6e8ecf9cd94f8abe91362f17073

    • SHA1

      8df2a24e6d8e8949152d4a0d61dd9aa7d718bdec

    • SHA256

      b721f2f38f6b5cd68b6b517b27d9963d10fea83d2ba35421791c64e1aaa5e030

    • SHA512

      6d4e646a90ce2cd202ab4719b818009dc8670191f7a08cc2e54a62b6577af1a00ea00550e3e1b99bb4bfd527dbd1c44dc6c2d0c6de3b8b86bdf880ad73bf74d6

    • 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.

    • suricata: ET MALWARE ServHelper CnC Inital Checkin

      suricata: ET MALWARE ServHelper CnC Inital Checkin

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Account Manipulation

1
T1098

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Remote Desktop Protocol

1
T1076

Tasks