General

  • Target

    f55bb7dc18e7c53132fa85ab1318295c3b606f8167372ca2a76ff1767fa4186e

  • Size

    1.0MB

  • Sample

    231010-1rf29sfg72

  • MD5

    a63a902dfb9fc1e48b31397ae837c006

  • SHA1

    ae737105ba77f00b4038d3c7ceef90cd08643277

  • SHA256

    f55bb7dc18e7c53132fa85ab1318295c3b606f8167372ca2a76ff1767fa4186e

  • SHA512

    85c1819dff76e27fe5cd015c744a054f8dfae1f34d3e89decbf0054e882beaddc574049b2d0940bf110c159a6951f9699ae87bebf4983fc36799ade081aec714

  • SSDEEP

    24576:nyy/zk29xKQrDLVWsSuV8D56dGmz9yWDMTtGKD:yyLkwXrPVWs9VI4MR

Malware Config

Extracted

Family

mystic

C2

http://5.42.92.211/loghub/master

Extracted

Family

redline

Botnet

gruha

C2

77.91.124.55:19071

Attributes
  • auth_value

    2f4cf2e668a540e64775b27535cc6892

Extracted

Family

amadey

Version

3.89

C2

http://77.91.124.1/theme/index.php

http://77.91.68.78/help/index.php

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explothe.exe

  • strings_key

    36a96139c1118a354edf72b1080d4b2f

rc4.plain
rc4.plain

Targets

    • Target

      f55bb7dc18e7c53132fa85ab1318295c3b606f8167372ca2a76ff1767fa4186e

    • Size

      1.0MB

    • MD5

      a63a902dfb9fc1e48b31397ae837c006

    • SHA1

      ae737105ba77f00b4038d3c7ceef90cd08643277

    • SHA256

      f55bb7dc18e7c53132fa85ab1318295c3b606f8167372ca2a76ff1767fa4186e

    • SHA512

      85c1819dff76e27fe5cd015c744a054f8dfae1f34d3e89decbf0054e882beaddc574049b2d0940bf110c159a6951f9699ae87bebf4983fc36799ade081aec714

    • SSDEEP

      24576:nyy/zk29xKQrDLVWsSuV8D56dGmz9yWDMTtGKD:yyLkwXrPVWs9VI4MR

    • Amadey

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

    • Detect Mystic stealer payload

    • Detects Healer an antivirus disabler dropper

    • Healer

      Healer an antivirus disabler dropper.

    • Modifies Windows Defender Real-time Protection settings

    • Mystic

      Mystic is an infostealer written in C++.

    • RedLine

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

    • Downloads MZ/PE file

    • Modifies Installed Components in the registry

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Enumerates connected drives

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

5
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

2
T1120

Tasks