General

  • Target

    E538A13D55D116777C2766732B2511C2.exe

  • Size

    1.4MB

  • Sample

    231103-v6j5kshf83

  • MD5

    e538a13d55d116777c2766732b2511c2

  • SHA1

    45feafdb23b355d9e1530b16e7c1bc819997ff3f

  • SHA256

    3982986ebc039ab0e704c819d657c2d1014109b45aa86f058c81ff04771dcb50

  • SHA512

    884b0669685dbc5584497f79bea4e7e620f67224292992908a589cc047b2c96858f48f9f5ce036336f49c59bb7bb156f2d9d6088bb0550a5e5168f5451fb3730

  • SSDEEP

    24576:wyO81yRBuAsoFsmFYkQkNexHOLIwsZ8IZssi2ZrjbDMLyCDPk:3WRBPxbFYqeRuIwsZjZDZr3IDD

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

grome

C2

77.91.124.86:19084

Extracted

Family

amadey

Version

3.89

C2

http://77.91.124.1/theme/index.php

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explothe.exe

  • strings_key

    36a96139c1118a354edf72b1080d4b2f

rc4.plain

Extracted

Family

redline

Botnet

plost

C2

77.91.124.86:19084

Extracted

Family

redline

Botnet

kedru

C2

77.91.124.86:19084

Extracted

Family

redline

Botnet

pixelnew2.0

C2

194.49.94.11:80

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

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

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

rc4.i32
rc4.i32

Targets

    • Target

      E538A13D55D116777C2766732B2511C2.exe

    • Size

      1.4MB

    • MD5

      e538a13d55d116777c2766732b2511c2

    • SHA1

      45feafdb23b355d9e1530b16e7c1bc819997ff3f

    • SHA256

      3982986ebc039ab0e704c819d657c2d1014109b45aa86f058c81ff04771dcb50

    • SHA512

      884b0669685dbc5584497f79bea4e7e620f67224292992908a589cc047b2c96858f48f9f5ce036336f49c59bb7bb156f2d9d6088bb0550a5e5168f5451fb3730

    • SSDEEP

      24576:wyO81yRBuAsoFsmFYkQkNexHOLIwsZ8IZssi2ZrjbDMLyCDPk:3WRBPxbFYqeRuIwsZjZDZr3IDD

    • Amadey

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

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • 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.

    • 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.

    • Detected potential entity reuse from brand microsoft.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

1
T1562.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Impact

Service Stop

1
T1489

Tasks