General

  • Target

    file.exe

  • Size

    4.6MB

  • Sample

    230616-a47smsbh5x

  • MD5

    4c187250087e5312f8e87527b1b99141

  • SHA1

    c7c5ea811f6fec0213ce8f4d883f7d19f3ee0053

  • SHA256

    62df74714cd81842088313cb600f935d37a851b7faffba085303346877ff2a9f

  • SHA512

    74c15c9f6fe540f1eee2470675213bc9f4c289dec185bdb232f590e79dc4e48f04e24f65f8b522da3fcd07192400f9a4af6a36d63fa9cb61458a5ab73dafe48b

  • SSDEEP

    98304:7qQYrAVefSKOxbI7koS64IGkBHtyTETlKuCWxJAg25J0z4TuJgD6UHMLfKZ:72wowmZyEElzjY4TegGUHmC

Malware Config

Extracted

Family

amadey

Version

3.83

C2

5.42.65.80/8bmeVwqx/index.php

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

gcleaner

C2

45.12.253.56

45.12.253.72

45.12.253.98

45.12.253.75

Extracted

Family

smokeloader

Version

2020

C2

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

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

rc4.i32
rc4.i32

Targets

    • Target

      file.exe

    • Size

      4.6MB

    • MD5

      4c187250087e5312f8e87527b1b99141

    • SHA1

      c7c5ea811f6fec0213ce8f4d883f7d19f3ee0053

    • SHA256

      62df74714cd81842088313cb600f935d37a851b7faffba085303346877ff2a9f

    • SHA512

      74c15c9f6fe540f1eee2470675213bc9f4c289dec185bdb232f590e79dc4e48f04e24f65f8b522da3fcd07192400f9a4af6a36d63fa9cb61458a5ab73dafe48b

    • SSDEEP

      98304:7qQYrAVefSKOxbI7koS64IGkBHtyTETlKuCWxJAg25J0z4TuJgD6UHMLfKZ:72wowmZyEElzjY4TegGUHmC

    • Amadey

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

    • Detect Fabookie payload

    • Fabookie

      Fabookie is facebook account info stealer.

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Glupteba

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

    • Glupteba payload

    • Modifies security service

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Windows security bypass

    • xmrig

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

    • Modifies boot configuration data using bcdedit

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Stops running service(s)

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Windows security modification

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Manipulates WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Scheduled Task

1
T1053

Persistence

Modify Existing Service

3
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

5
T1112

Disabling Security Tools

2
T1089

Impair Defenses

2
T1562

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks