General

  • Target

    d4f4b9420a15240c61f1609dc21fec3584b4863c1d98a66b7db7ebf88888d44a

  • Size

    247KB

  • Sample

    210907-d6ndkabfe3

  • MD5

    f08646a1b6ac75296bcb92ae031b9261

  • SHA1

    f4adfe3f9031d6d59943132a4eeb053ed0358e53

  • SHA256

    d4f4b9420a15240c61f1609dc21fec3584b4863c1d98a66b7db7ebf88888d44a

  • SHA512

    084559287185500bc39e9d2f19cc76eb3b6467af0db90b9c5ec8255a33305a125699916f3ef9ed13e20b0967e4bfa71375aea810f838c5acf031451f656eca3c

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://fazanaharahe1.xyz/

http://xandelissane2.xyz/

http://ustiassosale3.xyz/

http://cytheriata4.xyz/

http://ggiergionard5.xyz/

http://rrelleynaniy6.store/

http://danniemusoa7.store/

http://nastanizab8.store/

http://onyokandis9.store/

http://dmunaavank10.store/

http://gilmandros11.site/

http://cusanthana12.site/

http://willietjeana13.site/

http://ximusokall14.site/

http://blodinetisha15.site/

http://urydiahadyss16.club/

http://glasamaddama17.club/

http://marlingarly18.club/

http://alluvianna19.club/

http://xandirkaniel20.club/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

newnew

C2

185.167.97.37:30904

Extracted

Family

raccoon

Botnet

e89524de1a131be43c3cc9ec324dabb6a9998c12

Attributes
  • url4cnc

    https://telete.in/httpnotdetect1

rc4.plain
rc4.plain

Targets

    • Target

      d4f4b9420a15240c61f1609dc21fec3584b4863c1d98a66b7db7ebf88888d44a

    • Size

      247KB

    • MD5

      f08646a1b6ac75296bcb92ae031b9261

    • SHA1

      f4adfe3f9031d6d59943132a4eeb053ed0358e53

    • SHA256

      d4f4b9420a15240c61f1609dc21fec3584b4863c1d98a66b7db7ebf88888d44a

    • SHA512

      084559287185500bc39e9d2f19cc76eb3b6467af0db90b9c5ec8255a33305a125699916f3ef9ed13e20b0967e4bfa71375aea810f838c5acf031451f656eca3c

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Modifies Windows Defender Real-time Protection settings

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • 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 NtCreateProcessExOtherParentProcess

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Windows security bypass

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks whether UAC is enabled

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

2
T1031

New Service

1
T1050

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

2
T1089

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks