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General

  • Target

    setup_x86_x64_install.exe

  • Size

    4.0MB

  • Sample

    210920-fb3acafedj

  • MD5

    73491325fde5366b31c09da701d07dd6

  • SHA1

    a4e1ada57e590c2df30fc26fad5f3ca57ad922b1

  • SHA256

    56a461a6cc8ad9c10cdc1d19a12d5deceb9ebefb0c871a3fc2eb83c466947a11

  • SHA512

    28b5008c542e9c486529934f74774d6d2de4b98531483b24c3c7cf82bf2214b959a1feb0085014026dd278d2a18ac6ae8a0e5a7ebb36be28abf6dccbf2d38e88

Malware Config

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/

http://venerynnet1.top/

http://kevonahira2.top/

http://vegangelist3.top/

http://kingriffaele4.top/

http://arakeishant5.top/

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

Extracted

Family

redline

Botnet

janesam

C2

65.108.20.195:6774

Extracted

Family

metasploit

Version

windows/single_exec

Extracted

Family

icedid

Campaign

3162718704

Extracted

Family

vidar

Version

40.7

Botnet

706

C2

https://petrenko96.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

redline

Botnet

UTS

C2

45.9.20.20:13441

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://shellloader.com/welcome

Extracted

Family

vidar

Version

40.7

Botnet

937

C2

https://petrenko96.tumblr.com/

Attributes
  • profile_id

    937

Extracted

Family

redline

Botnet

199qwe

C2

185.215.113.104:18754

Targets

    • Target

      setup_x86_x64_install.exe

    • Size

      4.0MB

    • MD5

      73491325fde5366b31c09da701d07dd6

    • SHA1

      a4e1ada57e590c2df30fc26fad5f3ca57ad922b1

    • SHA256

      56a461a6cc8ad9c10cdc1d19a12d5deceb9ebefb0c871a3fc2eb83c466947a11

    • SHA512

      28b5008c542e9c486529934f74774d6d2de4b98531483b24c3c7cf82bf2214b959a1feb0085014026dd278d2a18ac6ae8a0e5a7ebb36be28abf6dccbf2d38e88

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Glupteba

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

    • Glupteba Payload

    • IcedID, BokBot

      IcedID is a banking trojan capable of stealing credentials.

    • MetaSploit

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

    • Modifies Windows Defender Real-time Protection settings

    • Modifies system executable filetype association

    • 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

    • Registers COM server for autorun

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Socelars

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

    • Socelars Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Tofsee

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

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • evasion

      evasion.

    • suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01

      suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01

    • suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

      suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

    • suricata: ET MALWARE Observed Win32/Ymacco.AA36 User-Agent

      suricata: ET MALWARE Observed Win32/Ymacco.AA36 User-Agent

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

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

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

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

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

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

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

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

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

    • suricata: ET MALWARE Win32/IcedID Request Cookie

      suricata: ET MALWARE Win32/IcedID Request Cookie

    • suricata: ET MALWARE Win32/Tnega Activity (GET)

      suricata: ET MALWARE Win32/Tnega Activity (GET)

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • 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

    • Blocklisted process makes network request

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • 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.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Modifies file permissions

    • 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.

    • 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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

2
T1031

Change Default File Association

1
T1042

Registry Run Keys / Startup Folder

3
T1060

New Service

1
T1050

Scheduled Task

1
T1053

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

6
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

File Permissions Modification

1
T1222

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

4
T1081

Discovery

Software Discovery

1
T1518

Query Registry

7
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

7
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

4
T1005

Command and Control

Web Service

1
T1102

Tasks

static1

Score
N/A

behavioral1

gluptebaicedidmetasploitredlinesmokeloadersocelarsjanesam3162718704aspackv2backdoorbankerdiscoverydropperinfostealerloaderstealersuricatatrojan
Score
10/10

behavioral2

redlinesmokeloadersocelarsvidar706utsaspackv2backdoorinfostealerstealersuricatatrojan
Score
10/10

behavioral3

smokeloadersocelarsvidar706aspackv2backdoordiscoveryevasionspywarestealersuricatatrojan
Score
10/10

behavioral4

redlinesocelarsvidarjanesamaspackv2evasioninfostealerpersistencestealersuricatathemidatrojan
Score
10/10

behavioral5

djvugluptebaicedidmetasploitredlinesmokeloadersocelarstofseevidar199qwe706937janesam3162718704aspackv2backdoorbankerdiscoverydropperevasioninfostealerloaderpersistenceransomwarespywarestealersuricatathemidatrojan
Score
10/10

behavioral6

redlinesmokeloadersocelarsvidar706janesamaspackv2backdoorinfostealerstealerthemidatrojan
Score
10/10

behavioral7

djvuicedidredlinesmokeloadersocelarsvidar199qwe7063162718704aspackv2backdoorbankerdiscoveryevasioninfostealerpersistenceransomwarespywarestealersuricatathemidatrojan
Score
10/10

behavioral8

icedidredlinesmokeloadersocelarstofseevidar199qwe706janesam3162718704aspackv2backdoorbankerevasioninfostealerpersistencestealersuricatathemidatrojan
Score
10/10

behavioral9

djvuicedidredlinesmokeloadersocelarstofseevidar706janesam3162718704aspackv2backdoorbankerdiscoveryevasioninfostealerpersistenceransomwarespywarestealersuricatathemidatrojan
Score
10/10