General

  • Target

    6a91a4affa1ec1e4e06492a200ed0365f21a2576f065852944fd7fb362ed1370

  • Size

    4MB

  • Sample

    220310-dv23ksdcg4

  • MD5

    08ca0e52948460c5c2f82791a1ddb2fc

  • SHA1

    3bf63775ab40e1848184934f358bd9f23883cea1

  • SHA256

    6a91a4affa1ec1e4e06492a200ed0365f21a2576f065852944fd7fb362ed1370

  • SHA512

    065de1d0b1113571406fe23c72b000c9a09f24e2a301438bfc7a1e9188f9d621cd02f8e060b6ad0ef808f0541e5ae9743b89f704f0e29c9caaca58e489d90898

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://62.204.41.192/-RED/RED.oo

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://62.204.41.192/-RED/NAN.oo

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://62.204.41.192/-RED/NON.oo

Extracted

Family

redline

Botnet

ServAni

C2

87.251.71.195:82

Extracted

Family

vidar

Version

39.4

Botnet

706

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

smokeloader

Version

2020

C2

http://ppcspb.com/upload/

http://mebbing.com/upload/

http://twcamel.com/upload/

http://howdycash.com/upload/

http://lahuertasonora.com/upload/

http://kpotiques.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

fdfsdf

C2

86.107.197.196:63065

Attributes
  • auth_value

    49c341b88f13528ba52befa3c6ca7ebb

Extracted

Family

vidar

Version

50.6

Botnet

937

C2

https://mas.to/@s4msalo

https://koyu.space/@samsa2l

Attributes
  • profile_id

    937

Extracted

Family

redline

Botnet

jack

C2

5.182.5.203:33873

Attributes
  • auth_value

    6d03d90d7d897b871fe8bfcaec8c6ae0

Extracted

Family

redline

Botnet

Travis

C2

5.182.5.22:33809

Attributes
  • auth_value

    6fa3251b9d70327e7d1e5851c226af23

Extracted

Family

redline

Botnet

ruzki (check bio)

C2

103.133.111.182:44839

Attributes
  • auth_value

    767fa45398d3ac4a23de20d0480c2b03

Targets

    • Target

      6a91a4affa1ec1e4e06492a200ed0365f21a2576f065852944fd7fb362ed1370

    • Size

      4MB

    • MD5

      08ca0e52948460c5c2f82791a1ddb2fc

    • SHA1

      3bf63775ab40e1848184934f358bd9f23883cea1

    • SHA256

      6a91a4affa1ec1e4e06492a200ed0365f21a2576f065852944fd7fb362ed1370

    • SHA512

      065de1d0b1113571406fe23c72b000c9a09f24e2a301438bfc7a1e9188f9d621cd02f8e060b6ad0ef808f0541e5ae9743b89f704f0e29c9caaca58e489d90898

    • Modifies Windows Defender Real-time Protection settings

    • OnlyLogger

      A tiny loader that uses IPLogger to get its payload.

    • 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.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • OnlyLogger Payload

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

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

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • 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 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

7
T1082

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks