General

  • Target

    NEAS.fb72346658c6324519e985e0f09bd1133f50e511d3d50afd301f53161470eaf7exe_JC.exe

  • Size

    1.1MB

  • Sample

    231008-vkb7vagh52

  • MD5

    0761b6afbd2f620a7ae66608304f4968

  • SHA1

    d599a1562fd0adf8d723366f94943991f58046aa

  • SHA256

    fb72346658c6324519e985e0f09bd1133f50e511d3d50afd301f53161470eaf7

  • SHA512

    1fce356e0b4ae058bd48f3f548613e42f1be9ff504c102d03bb597b736929ca9d9f4d50fe55476b1bca1b763cf0662c4d4afe6ab08c9520650207d6bd256eb65

  • SSDEEP

    24576:My6cCzWnWPLC1forv0S1PPOz6tVm7O+DAPPm5lnx:76LCWPm5ZS1O+tVnyAPPm5ln

Malware Config

Extracted

Family

redline

Botnet

frant

C2

77.91.124.55:19071

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

magia

C2

77.91.124.55:19071

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

amadey

Version

3.83

C2

http://5.42.65.80/8bmeVwqx/index.php

Attributes
  • install_dir

    207aa4515d

  • install_file

    oneetx.exe

  • strings_key

    3e634dd0840c68ae2ced83c2be7bf0d4

rc4.plain

Extracted

Family

redline

Botnet

lutyr

C2

77.91.124.55:19071

Targets

    • Target

      NEAS.fb72346658c6324519e985e0f09bd1133f50e511d3d50afd301f53161470eaf7exe_JC.exe

    • Size

      1.1MB

    • MD5

      0761b6afbd2f620a7ae66608304f4968

    • SHA1

      d599a1562fd0adf8d723366f94943991f58046aa

    • SHA256

      fb72346658c6324519e985e0f09bd1133f50e511d3d50afd301f53161470eaf7

    • SHA512

      1fce356e0b4ae058bd48f3f548613e42f1be9ff504c102d03bb597b736929ca9d9f4d50fe55476b1bca1b763cf0662c4d4afe6ab08c9520650207d6bd256eb65

    • SSDEEP

      24576:My6cCzWnWPLC1forv0S1PPOz6tVm7O+DAPPm5lnx:76LCWPm5ZS1O+tVnyAPPm5ln

    • 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.

    • 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.

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Downloads MZ/PE file

    • 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

    • 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

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

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Tasks