General

  • Target

    d2c163242cfa43caade7e8a04a1911f4c150126ba10ebabad90f9b056184adb3

  • Size

    218KB

  • Sample

    211210-j4hcesfgd8

  • MD5

    079c6663812461df380cfa2416d6ee90

  • SHA1

    7f5c32dab29daa3fb65fb0254ecfd0f1be88e5e6

  • SHA256

    d2c163242cfa43caade7e8a04a1911f4c150126ba10ebabad90f9b056184adb3

  • SHA512

    616b8aac2f45567c4559091036f7c94d9699be3abfdb8b57ba5c0c12ed3ab25565835648b8ccd3c53e17546e82eb43108a71c8c804d3f4b9c09c9415afc9e024

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

Targets

    • Target

      d2c163242cfa43caade7e8a04a1911f4c150126ba10ebabad90f9b056184adb3

    • Size

      218KB

    • MD5

      079c6663812461df380cfa2416d6ee90

    • SHA1

      7f5c32dab29daa3fb65fb0254ecfd0f1be88e5e6

    • SHA256

      d2c163242cfa43caade7e8a04a1911f4c150126ba10ebabad90f9b056184adb3

    • SHA512

      616b8aac2f45567c4559091036f7c94d9699be3abfdb8b57ba5c0c12ed3ab25565835648b8ccd3c53e17546e82eb43108a71c8c804d3f4b9c09c9415afc9e024

    • 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.

    • 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