Overview

overview

10

Static

static

10

9eb8c3a875...80.exe

windows7-x64

10

9eb8c3a875...80.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-11-2024 19:29

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General

  • Target

    9eb8c3a875b3ef9d68e9572250d6f1ad72e10caba9a2592962210dc989d5d480.exe

  • Size

    33KB

  • MD5

    9b5222b2d6f2b8e64410435fb06036e6

  • SHA1

    6be828d954bfa15b4fb027e495758c1ece30293a

  • SHA256

    9eb8c3a875b3ef9d68e9572250d6f1ad72e10caba9a2592962210dc989d5d480

  • SHA512

    a000a7127db0b59f791c80ee5db974e330c832e0ab3bca1c5df58aac403a5463d84ce1859ef2e7c517437192f249473ccea7a24b6c1e36b29bbae7d1ce78894b

  • SSDEEP

    384:qvweXCQIreJig/8Z7SS1fEBpng6tgL2IBPZVmRvR6JZlbw8hqIusZzZPtay9HtdI:qQLq411eRpcnuul9N7m

Score
10/10
njratbedcgddiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

bedcgd

C2

198.49.23.145:6523

Mutex

29258b212e8eeca9dee6e8e7af4efd51

Attributes
  • reg_key

    29258b212e8eeca9dee6e8e7af4efd51

  • splitter

    |'|'|

Signatures

  • Njrat family
    njrat
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9eb8c3a875b3ef9d68e9572250d6f1ad72e10caba9a2592962210dc989d5d480.exe
    "C:\Users\Admin\AppData\Local\Temp\9eb8c3a875b3ef9d68e9572250d6f1ad72e10caba9a2592962210dc989d5d480.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2856
    • C:\Users\Admin\AppData\Roaming\studio.exe
      "C:\Users\Admin\AppData\Roaming\studio.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2996
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\studio.exe" "studio.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\studio.exe
    Filesize

    33KB

    MD5

    9b5222b2d6f2b8e64410435fb06036e6

    SHA1

    6be828d954bfa15b4fb027e495758c1ece30293a

    SHA256

    9eb8c3a875b3ef9d68e9572250d6f1ad72e10caba9a2592962210dc989d5d480

    SHA512

    a000a7127db0b59f791c80ee5db974e330c832e0ab3bca1c5df58aac403a5463d84ce1859ef2e7c517437192f249473ccea7a24b6c1e36b29bbae7d1ce78894b

    Download Submit

  • memory/2856-0-0x0000000074131000-0x0000000074132000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2856-1-0x0000000074130000-0x00000000746DB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2856-2-0x0000000074130000-0x00000000746DB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2856-10-0x0000000074130000-0x00000000746DB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2996-12-0x0000000074130000-0x00000000746DB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2996-11-0x0000000074130000-0x00000000746DB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2996-14-0x0000000074130000-0x00000000746DB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2996-15-0x0000000074130000-0x00000000746DB000-memory.dmp

    Filesize

    5.7MB

    Download