Resubmissions

13-07-2021 16:32

210713-rmqczpgqv2 10

12-07-2021 18:04

210712-ha7yvjlznx 10

General

  • Target

    9B83F1494C101E6E62C1E33758C3072C.exe

  • Size

    3.4MB

  • Sample

    210713-rmqczpgqv2

  • MD5

    9b83f1494c101e6e62c1e33758c3072c

  • SHA1

    2d38f17103dddf755385b6bfada2b546c2a10a02

  • SHA256

    40d21df73b2df09dc5485a019259063c7efbeb0d965a392e6c8cbe80b7ea5626

  • SHA512

    530400388c8e3cf6811db4007ade5334704615f58e5c0614aa82315a77c5852e4a74e4c6bba1c453a5d9eefe87cdae79142198f4acd5d0d5b52292702249ca68

Malware Config

Extracted

Family

redline

Botnet

Cana

C2

176.111.174.254:56328

Extracted

Family

vidar

Version

39.4

Botnet

933

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    933

Extracted

Family

redline

Botnet

Ani

C2

detuyaluro.xyz:80

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32
rc4.i32

Targets

    • Target

      9B83F1494C101E6E62C1E33758C3072C.exe

    • Size

      3.4MB

    • MD5

      9b83f1494c101e6e62c1e33758c3072c

    • SHA1

      2d38f17103dddf755385b6bfada2b546c2a10a02

    • SHA256

      40d21df73b2df09dc5485a019259063c7efbeb0d965a392e6c8cbe80b7ea5626

    • SHA512

      530400388c8e3cf6811db4007ade5334704615f58e5c0614aa82315a77c5852e4a74e4c6bba1c453a5d9eefe87cdae79142198f4acd5d0d5b52292702249ca68

    • Modifies Windows Defender Real-time Protection settings

    • 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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Sets DLL path for service in the registry

    • Sets service image path in registry

    • 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

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

3
T1060

Defense Evasion

Modify Registry

6
T1112

Disabling Security Tools

2
T1089

Install Root Certificate

1
T1130

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Tasks