General

  • Target

    Bear_Vpn.exe

  • Size

    9.3MB

  • Sample

    210723-ly53sq6y8x

  • MD5

    56bd0f698f28e63479e5697dd167926e

  • SHA1

    a65ab942eb3b3ac45ecf24cf1a35d2734f14d666

  • SHA256

    6a481c56aa97b2a75a3de488ce1a9a670c62fc364a432e8e68497f55fabb439d

  • SHA512

    f8900374349e22a2eb2c4ae2598bb1ed5b0dd3ca2857e2fb10d2ed3474fea49a810eb92eb3a81e861bd47c54698fa934fe086bca7da6a1f164c34753b6d391f2

Malware Config

Extracted

Family

redline

Botnet

AniNEW

C2

akedauiver.xyz:80

Targets

    • Target

      Bear_Vpn.exe

    • Size

      9.3MB

    • MD5

      56bd0f698f28e63479e5697dd167926e

    • SHA1

      a65ab942eb3b3ac45ecf24cf1a35d2734f14d666

    • SHA256

      6a481c56aa97b2a75a3de488ce1a9a670c62fc364a432e8e68497f55fabb439d

    • SHA512

      f8900374349e22a2eb2c4ae2598bb1ed5b0dd3ca2857e2fb10d2ed3474fea49a810eb92eb3a81e861bd47c54698fa934fe086bca7da6a1f164c34753b6d391f2

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • RedLine

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

    • RedLine Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Executes dropped EXE

    • UPX packed file

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

    • Loads dropped DLL

    • Adds Run key to start application

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Command and Control

Web Service

1
T1102

Tasks