General

  • Target

    x4059712_JC.exe

  • Size

    706KB

  • Sample

    230906-x4bfrsbc41

  • MD5

    e1b87b25d07b49e7e3c8f25c041798d3

  • SHA1

    54828f4d6017b2740bcb3543c3119176ba1e7a59

  • SHA256

    1ef5a66797aeef442786945a182ab522208ecd33c0d764c47b2ee216ddc08185

  • SHA512

    c92391104707ddc4055907377f3198fa10256286ed2ecadaa5c612819a76c94117dda3b17b721f25ab410af29619d95f28852409af47ef1c384948feefe6011e

  • SSDEEP

    12288:YMrBy902cNrJ/xqe0dkSiqYyXRATKTb87N3bbI4+gQT6yKBWW9PzQQVv:JyhcNrJJJSiqzB5E1Y4+gQ2yKBWW9Pcw

Malware Config

Extracted

Family

amadey

Version

3.87

C2

77.91.68.18/nice/index.php

Attributes
  • install_dir

    b40d11255d

  • install_file

    saves.exe

  • strings_key

    fa622dfc42544927a6471829ee1fa9fe

rc4.plain

Extracted

Family

redline

Botnet

gena

C2

77.91.124.82:19071

Attributes
  • auth_value

    93c20961cb6b06b2d5781c212db6201e

Targets

    • Target

      x4059712_JC.exe

    • Size

      706KB

    • MD5

      e1b87b25d07b49e7e3c8f25c041798d3

    • SHA1

      54828f4d6017b2740bcb3543c3119176ba1e7a59

    • SHA256

      1ef5a66797aeef442786945a182ab522208ecd33c0d764c47b2ee216ddc08185

    • SHA512

      c92391104707ddc4055907377f3198fa10256286ed2ecadaa5c612819a76c94117dda3b17b721f25ab410af29619d95f28852409af47ef1c384948feefe6011e

    • SSDEEP

      12288:YMrBy902cNrJ/xqe0dkSiqYyXRATKTb87N3bbI4+gQT6yKBWW9PzQQVv:JyhcNrJJJSiqzB5E1Y4+gQ2yKBWW9Pcw

    • Amadey

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

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • 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

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

1
T1547

Registry Run Keys / Startup Folder

1
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

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

3
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks