General

  • Target

    setup_x86_x64_install.exe

  • Size

    5.4MB

  • Sample

    211016-hgpybabgb6

  • MD5

    423afe97280c0e85a4abcbb5c8a6f575

  • SHA1

    2ea6e70005ca3f494d4476152a74b07437f1321c

  • SHA256

    e759267b9357b6c8a56c5b72c9f61e5aeaf11a49fb7f2517b6432c38b14d3c8c

  • SHA512

    2dd5f4e828acd96fd96a03b4cb87173de9ef44ec0063a14c9aa5858758e824f56c4e36f3e0da0f49295b8ad40937c41bcf9efb289f0f0193a15d87c327ce8d09

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://directorycart.com/upload/

http://tierzahnarzt.at/upload/

http://streetofcards.com/upload/

http://ycdfzd.com/upload/

http://successcoachceo.com/upload/

http://uhvu.cn/upload/

http://japanarticle.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

she

C2

135.181.129.119:4805

Extracted

Family

vidar

Version

41.4

Botnet

933

C2

https://mas.to/@sslam

Attributes
  • profile_id

    933

Extracted

Family

redline

Botnet

ANI

C2

194.104.136.5:46013

Targets

    • Target

      setup_x86_x64_install.exe

    • Size

      5.4MB

    • MD5

      423afe97280c0e85a4abcbb5c8a6f575

    • SHA1

      2ea6e70005ca3f494d4476152a74b07437f1321c

    • SHA256

      e759267b9357b6c8a56c5b72c9f61e5aeaf11a49fb7f2517b6432c38b14d3c8c

    • SHA512

      2dd5f4e828acd96fd96a03b4cb87173de9ef44ec0063a14c9aa5858758e824f56c4e36f3e0da0f49295b8ad40937c41bcf9efb289f0f0193a15d87c327ce8d09

    • 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.

    • 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.

    • Turns off Windows Defender SpyNet reporting

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • xmrig

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

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

    • Vidar Stealer

    • XMRig Miner Payload

    • 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

    • 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 web browsers

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

    • Windows security modification

    • 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

New Service

1
T1050

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

BITS Jobs

1
T1197

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

7
T1112

Disabling Security Tools

4
T1089

Virtualization/Sandbox Evasion

1
T1497

BITS Jobs

1
T1197

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

7
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks

static1

Score
N/A

behavioral1

redlinesmokeloadersocelarsvidarsheaspackv2backdoordiscoveryevasioninfostealerpersistencespywarestealertrojan
Score
10/10

behavioral2

redlinesmokeloadersocelarsvidarxmrig933sheaspackv2backdoordiscoveryevasioninfostealerminerpersistencespywarestealertrojan
Score
10/10

behavioral3

redlinesmokeloadersocelarsvidarxmrig933sheaspackv2backdoordiscoveryevasioninfostealerminerspywarestealertrojan
Score
10/10

behavioral4

redlinesmokeloadersocelarstofseevidarxmrig933anisheaspackv2backdoordiscoveryevasioninfostealerminerpersistencespywarestealertrojan
Score
10/10

behavioral5

redlinesmokeloadersocelarstofseevidarxmrig933anisheaspackv2backdoordiscoveryevasioninfostealerminerpersistencespywarestealertrojan
Score
10/10

behavioral6

redlinesmokeloadersocelarstofseevidar933anisheaspackv2backdoordiscoveryevasioninfostealerpersistencespywarestealertrojan
Score
10/10