General

  • Target

    9829a7b1f6d1ef184b90893b8061c9f6.exe

  • Size

    324KB

  • Sample

    211220-m7zyesbbep

  • MD5

    9829a7b1f6d1ef184b90893b8061c9f6

  • SHA1

    087115d74598cc4255058ea3966a141b9704f7ac

  • SHA256

    7b3804ea5ffe8b354e7e463e2336ce4af8a27eb6bf0c6e64a2f024b9734a463f

  • SHA512

    df2af9d0a110e9240f36b1f4ae349894ac74027d0d6b0f446f19761c72b3200da066b5dbaba5a2f39e459e954293432d4490e0cac717cf0990363564622f3094

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.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

mubrikych.top

oxxyfix.xyz

Extracted

Family

amadey

Version

2.86

C2

185.215.113.35/d2VxjasuwS/index.php

Extracted

Family

redline

Botnet

install

C2

62.182.156.187:56323

Extracted

Family

redline

Botnet

1

C2

86.107.197.138:38133

Extracted

Family

redline

Botnet

444

C2

31.131.254.105:1498

Targets

    • Target

      9829a7b1f6d1ef184b90893b8061c9f6.exe

    • Size

      324KB

    • MD5

      9829a7b1f6d1ef184b90893b8061c9f6

    • SHA1

      087115d74598cc4255058ea3966a141b9704f7ac

    • SHA256

      7b3804ea5ffe8b354e7e463e2336ce4af8a27eb6bf0c6e64a2f024b9734a463f

    • SHA512

      df2af9d0a110e9240f36b1f4ae349894ac74027d0d6b0f446f19761c72b3200da066b5dbaba5a2f39e459e954293432d4490e0cac717cf0990363564622f3094

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Arkei

      Arkei is an infostealer written in C++.

    • 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.

    • Tofsee

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

    • Windows security bypass

    • suricata: ET MALWARE Amadey CnC Check-In

      suricata: ET MALWARE Amadey CnC Check-In

    • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

      suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

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

      suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

    • xmrig

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

    • Arkei Stealer Payload

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Legitimate hosting services abused for malware hosting/C2

    • 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

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

3
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Tasks