General

  • Target

    aa5e9ff271143c3cd205988c3100f1bb844d70d2930f04a2b2002e9c0951a74e.exe

  • Size

    2.9MB

  • Sample

    210907-ad9jjsbfa2

  • MD5

    e69948a6953a77464e92ac44fe945242

  • SHA1

    d0b1569b0ca632defc74a6320658c0c1481f3ee1

  • SHA256

    aa5e9ff271143c3cd205988c3100f1bb844d70d2930f04a2b2002e9c0951a74e

  • SHA512

    f14f8a41c2e5dad21908eae3494cc1db049e223b19186379256695825b9918813e4cd34d73f43eba36fdfbfff6608d50bf2b98dbd45f17c4b3136bc6087c2952

Malware Config

Extracted

Family

vidar

Version

40.1

Botnet

706

C2

https://eduarroma.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

smokeloader

Version

2020

C2

http://varmisende.com/upload/

http://fernandomayol.com/upload/

http://nextlytm.com/upload/

http://people4jan.com/upload/

http://asfaltwerk.com/upload/

rc4.i32
rc4.i32

Extracted

Family

vidar

Version

40.4

Botnet

937

C2

https://romkaxarit.tumblr.com/

Attributes
  • profile_id

    937

Targets

    • Target

      aa5e9ff271143c3cd205988c3100f1bb844d70d2930f04a2b2002e9c0951a74e.exe

    • Size

      2.9MB

    • MD5

      e69948a6953a77464e92ac44fe945242

    • SHA1

      d0b1569b0ca632defc74a6320658c0c1481f3ee1

    • SHA256

      aa5e9ff271143c3cd205988c3100f1bb844d70d2930f04a2b2002e9c0951a74e

    • SHA512

      f14f8a41c2e5dad21908eae3494cc1db049e223b19186379256695825b9918813e4cd34d73f43eba36fdfbfff6608d50bf2b98dbd45f17c4b3136bc6087c2952

    • 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.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v6

Tasks