General

  • Target

    756100cd7ac1920a034e2f33435a0b8dcae8c89914c00451d484a05c18ba9254

  • Size

    218KB

  • Sample

    211210-gjrn9afee2

  • MD5

    d5f5ad9fad642a21a2b29c02023155b5

  • SHA1

    b672e9f1a8816abb9c9b7724ccdba5ca589a283c

  • SHA256

    756100cd7ac1920a034e2f33435a0b8dcae8c89914c00451d484a05c18ba9254

  • SHA512

    e2572b7f6be6f775112ef93e64e5825c5c765088f870f6c111b207b5a91953a6f9215334087867d6f3ceebf9335eb6e7b88cee992ea9270276bcb5c7ff85da27

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

      756100cd7ac1920a034e2f33435a0b8dcae8c89914c00451d484a05c18ba9254

    • Size

      218KB

    • MD5

      d5f5ad9fad642a21a2b29c02023155b5

    • SHA1

      b672e9f1a8816abb9c9b7724ccdba5ca589a283c

    • SHA256

      756100cd7ac1920a034e2f33435a0b8dcae8c89914c00451d484a05c18ba9254

    • SHA512

      e2572b7f6be6f775112ef93e64e5825c5c765088f870f6c111b207b5a91953a6f9215334087867d6f3ceebf9335eb6e7b88cee992ea9270276bcb5c7ff85da27

    • 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