General
Target

83b62ccce9d742a53e5fe0016fab9ded.exe

Size

320KB

Sample

211120-tj3gzadaaq

Score
10/10
MD5

83b62ccce9d742a53e5fe0016fab9ded

SHA1

4ec481fc61cb5fa86296975000c25e0eec7376b9

SHA256

c41ecbb533f6da059e2996cc5065805d2038ba4d0e670d57939b30b109bd6eba

SHA512

5116417b66769ee983a2b27ad611b1488e7643e6189fc4c2322a76658ecd6c70edc557faf5021a366cc135e96f4014ba25486f486fd203437d9f123e449714a4

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

http://srtuiyhuali.at/

http://fufuiloirtu.com/

http://amogohuigotuli.at/

http://novohudosovu.com/

http://brutuilionust.com/

http://bubushkalioua.com/

http://dumuilistrati.at/

http://verboliatsiaeeees.com/

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

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Extracted

Family

redline

C2

185.159.80.90:38637

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

ddf183af4241e3172885cf1b2c4c1fb4ee03d05a

Attributes
url4cnc
http://91.219.236.27/capibar
http://5.181.156.92/capibar
http://91.219.236.207/capibar
http://185.225.19.18/capibar
http://91.219.237.227/capibar
https://t.me/capibar
rc4.plain
rc4.plain

Extracted

Family

arkei

Botnet

Default

C2

http://file-file-host4.com/tratata.php

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

59885c564847bf29ddd9457b81c619998245ba90

Attributes
url4cnc
http://91.219.236.27/opussenseus1
http://5.181.156.92/opussenseus1
http://91.219.236.207/opussenseus1
http://185.225.19.18/opussenseus1
http://91.219.237.227/opussenseus1
https://t.me/opussenseus1
rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

Sleeze

C2

194.127.179.0:42417

Extracted

Family

vidar

Version

48.6

Botnet

706

C2

https://mastodon.online/@valhalla

https://koyu.space/@valhalla

Attributes
profile_id
706
Targets
Target

83b62ccce9d742a53e5fe0016fab9ded.exe

MD5

83b62ccce9d742a53e5fe0016fab9ded

Filesize

320KB

Score
10/10
SHA1

4ec481fc61cb5fa86296975000c25e0eec7376b9

SHA256

c41ecbb533f6da059e2996cc5065805d2038ba4d0e670d57939b30b109bd6eba

SHA512

5116417b66769ee983a2b27ad611b1488e7643e6189fc4c2322a76658ecd6c70edc557faf5021a366cc135e96f4014ba25486f486fd203437d9f123e449714a4

Tags

Signatures

  • Arkei

    Description

    Arkei is an infostealer written in C++.

    Tags

  • Process spawned unexpected child process

    Description

    This typically indicates the parent process was compromised via an exploit or macro.

  • Raccoon

    Description

    Simple but powerful infostealer which was very active in 2019.

    Tags

  • RedLine

    Description

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    Tags

  • RedLine Payload

  • SmokeLoader

    Description

    Modular backdoor trojan in use since 2014.

    Tags

  • Tofsee

    Description

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

    Tags

  • Vidar

    Description

    Vidar is an infostealer based on Arkei stealer.

    Tags

  • Windows security bypass

    Tags

    TTPs

    Disabling Security ToolsModify Registry
  • suricata: ET MALWARE DCRAT Activity (GET)

    Description

    suricata: ET MALWARE DCRAT Activity (GET)

    Tags

  • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    Description

    suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    Tags

  • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    Description

    suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    Tags

  • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    Description

    suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    Tags

  • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    Description

    suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    Tags

  • suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

    Description

    suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

    Tags

  • xmrig

    Description

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

    Tags

  • Arkei Stealer Payload

    Tags

  • Vidar Stealer

    Tags

  • XMRig Miner Payload

    Tags

  • Creates new service(s)

    Tags

    TTPs

    New Service
  • Downloads MZ/PE file

  • Executes dropped EXE

  • Modifies Windows Firewall

    Tags

    TTPs

    Modify Existing Service
  • Sets service image path in registry

    Tags

    TTPs

    Registry Run Keys / Startup FolderModify Registry
  • Deletes itself

  • Loads dropped DLL

  • Reads user/profile data of web browsers

    Description

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

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Accesses 2FA software files, possible credential harvesting

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Accesses Microsoft Outlook profiles

    Tags

    TTPs

    Email Collection
  • Accesses cryptocurrency files/wallets, possible credential harvesting

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Adds Run key to start application

    Tags

    TTPs

    Registry Run Keys / Startup FolderModify Registry
  • Checks installed software on the system

    Description

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

    Tags

    TTPs

    Query Registry
  • Drops file in System32 directory

  • Suspicious use of SetThreadContext

Related Tasks

MITRE ATT&CK Matrix
Command and Control
    Credential Access
    Execution
      Exfiltration
        Impact
          Initial Access
            Lateral Movement
              Privilege Escalation