Overview

overview

10

Static

static

3

65fcd66d75...JC.exe

windows7-x64

10

65fcd66d75...JC.exe

windows10-2004-x64

1

Sharing

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General

  • Target

    65fcd66d75c64db0f8b7819431d77f83a421e9fd210ff6bdf74c47e7a4c39636_JC.exe

  • Size

    1.9MB

  • Sample

    231011-kcd2csdc54

  • MD5

    1b87684768db892932be3f0661c54251

  • SHA1

    e5acdb93f6eb75656c9a8242e21b01bf978dc7cf

  • SHA256

    65fcd66d75c64db0f8b7819431d77f83a421e9fd210ff6bdf74c47e7a4c39636

  • SHA512

    0fc3cc6ed99e45a3d1ca7cd2dd4d7bfc2f5f11ee7cf0e3d58bfbb4db26f16599cae45b96fc032cd6a050c1ea70bfd02291537088168dd149eee85b38d2527a82

  • SSDEEP

    24576:jx4Ul0rrIOGz9I6U7AeyGvHynlLghECQl4L529dktxtPCv1ri+J/ac//zWOYopmB:mUl0/2kHW8ECQl4wi+snopp2vQ

Score
10/10
ammyyadminphobosrhadamanthyssmokeloaderbackdoorcollectionevasionpersistenceransomwareratstealertrojan

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://servermlogs27.xyz/statweb255/

http://servmblog45.xyz/statweb255/

http://demblog575.xyz/statweb255/

http://admlogs85x.xyz/statweb255/

http://blogmstat389.xyz/statweb255/

http://blogmstat255.xyz/statweb255/
rc4.i32
rc4.i32

Targets

    • Target

      65fcd66d75c64db0f8b7819431d77f83a421e9fd210ff6bdf74c47e7a4c39636_JC.exe

    • Size

      1.9MB

    • MD5

      1b87684768db892932be3f0661c54251

    • SHA1

      e5acdb93f6eb75656c9a8242e21b01bf978dc7cf

    • SHA256

      65fcd66d75c64db0f8b7819431d77f83a421e9fd210ff6bdf74c47e7a4c39636

    • SHA512

      0fc3cc6ed99e45a3d1ca7cd2dd4d7bfc2f5f11ee7cf0e3d58bfbb4db26f16599cae45b96fc032cd6a050c1ea70bfd02291537088168dd149eee85b38d2527a82

    • SSDEEP

      24576:jx4Ul0rrIOGz9I6U7AeyGvHynlLghECQl4L529dktxtPCv1ri+J/ac//zWOYopmB:mUl0/2kHW8ECQl4wi+snopp2vQ

    Score
    10/10
    ammyyadminphobosrhadamanthyssmokeloaderbackdoorcollectionevasionpersistenceransomwareratstealertrojan

    • Ammyy Admin

      Remote admin tool with various capabilities.

      ratammyyadmin

    • AmmyyAdmin payload

    • Detect rhadamanthys stealer shellcode

    • Phobos

      Phobos ransomware appeared at the beginning of 2019.

      ransomwarephobos

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

      stealerrhadamanthys

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Downloads MZ/PE file

    • Modifies Windows Firewall

      evasion

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Accesses Microsoft Outlook profiles

      collection

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

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

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

Defense Evasion

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

3
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Resource Development

Reconnaissance

Tasks