Overview

overview

10

Static

static

3

a3c7eabd9c...85.exe

windows7-x64

10

a3c7eabd9c...85.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    25/11/2024, 02:48

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General

  • Target

    a3c7eabd9cfb545adb2731670d97fe9ec7d8afe29db7f7a31827bdc13e0e4a85.exe

  • Size

    42KB

  • MD5

    25a9a70e860bdd43873f8423b2573785

  • SHA1

    0eea71569c308368f8f424ef48b67da8a352a7ba

  • SHA256

    a3c7eabd9cfb545adb2731670d97fe9ec7d8afe29db7f7a31827bdc13e0e4a85

  • SHA512

    cc8228c6c78db64286132c90cac8148eee2a4c534bb50cf89e02a1909f8ef389dc5c196f739225d221593a2407dc28889074411939f337cdf27e9763e13cd3db

  • SSDEEP

    768:zb6BvdySY94ns6gWLr+naiEeOnhpP7MnpVICSGLRUaN4FOdTCcUgKw:zb6BFU94rGLohpPQnLILGLR74uCcUgK

Score
10/10
njratdiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

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\a3c7eabd9cfb545adb2731670d97fe9ec7d8afe29db7f7a31827bdc13e0e4a85.exe
    "C:\Users\Admin\AppData\Local\Temp\a3c7eabd9cfb545adb2731670d97fe9ec7d8afe29db7f7a31827bdc13e0e4a85.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2604
    • C:\Users\Admin\AppData\Local\Temp\msgedge.exe
      "C:\Users\Admin\AppData\Local\Temp\msgedge.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:1712
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\msgedge.exe" "msgedge.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2908

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

  • \Users\Admin\AppData\Local\Temp\msgedge.exe
    Filesize

    42KB

    MD5

    25a9a70e860bdd43873f8423b2573785

    SHA1

    0eea71569c308368f8f424ef48b67da8a352a7ba

    SHA256

    a3c7eabd9cfb545adb2731670d97fe9ec7d8afe29db7f7a31827bdc13e0e4a85

    SHA512

    cc8228c6c78db64286132c90cac8148eee2a4c534bb50cf89e02a1909f8ef389dc5c196f739225d221593a2407dc28889074411939f337cdf27e9763e13cd3db

    Download Submit

  • memory/1712-11-0x0000000000DC0000-0x0000000000DD0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1712-12-0x00000000743F0000-0x0000000074ADE000-memory.dmp

    Filesize

    6.9MB

    Download

  • memory/1712-14-0x00000000743F0000-0x0000000074ADE000-memory.dmp

    Filesize

    6.9MB

    Download

  • memory/1712-15-0x00000000743F0000-0x0000000074ADE000-memory.dmp

    Filesize

    6.9MB

    Download

  • memory/1712-16-0x00000000743F0000-0x0000000074ADE000-memory.dmp

    Filesize

    6.9MB

    Download

  • memory/2604-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2604-1-0x0000000000100000-0x0000000000110000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2604-2-0x0000000000250000-0x0000000000266000-memory.dmp

    Filesize

    88KB

    Download

  • memory/2604-3-0x00000000003B0000-0x00000000003B6000-memory.dmp

    Filesize

    24KB

    Download