Resubmissions

13-08-2021 20:57

210813-b6rsp5ykyx 10

10-08-2021 00:06

210810-74klb2esxx 10

General

  • Target

    5D10FA7657F41F17D508C1DBB3F63B5B2AD6DEEA2F47E.exe

  • Size

    3.0MB

  • Sample

    210813-b6rsp5ykyx

  • MD5

    4af838839ab7ce80d1ad21da6ced30fe

  • SHA1

    5135c042645e5070b85e54f93087968178ee9acb

  • SHA256

    5d10fa7657f41f17d508c1dbb3f63b5b2ad6deea2f47e747b118345a56ab6cdc

  • SHA512

    861db896877a1da7612f11eb02bcd4139183a2f88bfc26c34c00d5c1258172d61bef9fbdff3137b7902b4d41fc6d707792e80704b3b2608fdffb16f2516d8701

Malware Config

Extracted

Family

vidar

Version

39.4

Botnet

706

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

raccoon

Botnet

93d3ccba4a3cbd5e268873fc1760b2335272e198

Attributes
  • url4cnc

    https://telete.in/opa4kiprivatem

rc4.plain
rc4.plain

Extracted

Family

vidar

Version

40

Botnet

916

C2

https://lenak513.tumblr.com/

Attributes
  • profile_id

    916

Extracted

Family

redline

Botnet

installs2

C2

65.21.228.92:46802

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

http://readinglistforjuly1.xyz/

http://readinglistforjuly2.xyz/

http://readinglistforjuly3.xyz/

http://readinglistforjuly4.xyz/

http://readinglistforjuly5.xyz/

http://readinglistforjuly6.xyz/

http://readinglistforjuly7.xyz/

http://readinglistforjuly8.xyz/

http://readinglistforjuly9.xyz/

http://readinglistforjuly10.xyz/

http://readinglistforjuly1.site/

http://readinglistforjuly2.site/

http://readinglistforjuly3.site/

http://readinglistforjuly4.site/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

metasploit

Version

windows/single_exec

Extracted

Family

vidar

Version

40

Botnet

937

C2

https://lenak513.tumblr.com/

Attributes
  • profile_id

    937

Extracted

Family

redline

Botnet

ls2

C2

salkefard.xyz:80

Extracted

Family

redline

Botnet

12_08_fatboy

C2

zertypelil.xyz:80

Extracted

Family

redline

Botnet

proliv222

C2

5.8.248.83:61808

Targets

    • Target

      5D10FA7657F41F17D508C1DBB3F63B5B2AD6DEEA2F47E.exe

    • Size

      3.0MB

    • MD5

      4af838839ab7ce80d1ad21da6ced30fe

    • SHA1

      5135c042645e5070b85e54f93087968178ee9acb

    • SHA256

      5d10fa7657f41f17d508c1dbb3f63b5b2ad6deea2f47e747b118345a56ab6cdc

    • SHA512

      861db896877a1da7612f11eb02bcd4139183a2f88bfc26c34c00d5c1258172d61bef9fbdff3137b7902b4d41fc6d707792e80704b3b2608fdffb16f2516d8701

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba Payload

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE GCleaner Downloader Activity M1

      suricata: ET MALWARE GCleaner Downloader Activity M1

    • suricata: ET MALWARE Observed Elysium Stealer Variant CnC Domain (all-brain-company .xyz in TLS SNI)

      suricata: ET MALWARE Observed Elysium Stealer Variant CnC Domain (all-brain-company .xyz in TLS SNI)

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

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

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

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

    • VMProtect packed file

      Detects executables packed with VMProtect commercial 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • 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 Enterprise v6

Tasks