Overview

overview

10

Static

static

92ec9a0eac...20.exe

windows7_x64

10

92ec9a0eac...20.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20

  • Size

    2.0MB

  • Sample

    220630-3j21wacdbk

  • MD5

    cbd089fed817ad11f6ad3d2f9731e872

  • SHA1

    138eeed3bbce9d86353e125f0022903ea419fe1a

  • SHA256

    92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20

  • SHA512

    c979db0c2332c6c5e9474cc658194fe5a0726a6b310541bb053c72af32882e2acfa44c5609633b5e8008cef51a8a48ea69cf25570e2fb850f6602319dfed5b50

Score
10/10
njratevasionpersistencetrojan

Malware Config

Targets

    • Target

      92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20

    • Size

      2.0MB

    • MD5

      cbd089fed817ad11f6ad3d2f9731e872

    • SHA1

      138eeed3bbce9d86353e125f0022903ea419fe1a

    • SHA256

      92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20

    • SHA512

      c979db0c2332c6c5e9474cc658194fe5a0726a6b310541bb053c72af32882e2acfa44c5609633b5e8008cef51a8a48ea69cf25570e2fb850f6602319dfed5b50

    Score
    10/10
    njratevasionpersistencetrojan

    • Modifies WinLogon for persistence

      persistence

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Looks for VirtualBox Guest Additions in registry

      evasion

    • Looks for VMWare Tools registry key

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Drops startup file

    • Adds Run key to start application

      persistence

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks