Overview

overview

10

Static

static

3

62457e5d7d...e8.exe

windows7-x64

10

62457e5d7d...e8.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2023 16:52

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General

  • Target

    62457e5d7d72b9d2a3dc94404023b8e8.exe

  • Size

    33KB

  • MD5

    62457e5d7d72b9d2a3dc94404023b8e8

  • SHA1

    a0fd127f66696531e9e1fc59d4d8c88c86d14e02

  • SHA256

    2b8acd41c61581c4a77c399cf5fe9ba7104cadd2f8cdc6a331536b618b21cbf3

  • SHA512

    7a58ae906ec1b7375e14aa0af8c0e1d976b2ee1303e0e7e0f2728152ade4be6b6dbdb2db32137c142d0892b3616689ab31c96a721fb89ff49d6178ba854ecb7b

  • SSDEEP

    768:VvTJHptt6VwxbpCrFJyrZXtFS3ypqCFLrv:t1pKabqFJyhfS3cqCFH

Score
10/10
njrathacked evasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

girafa2002otaku.ddns.net:1177

Mutex

Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Drops startup file 2 IoCs
  • Executes dropped EXE 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).

  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\62457e5d7d72b9d2a3dc94404023b8e8.exe
    "C:\Users\Admin\AppData\Local\Temp\62457e5d7d72b9d2a3dc94404023b8e8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Users\Admin\AppData\Roaming\explorer.exe
      "C:\Users\Admin\AppData\Roaming\explorer.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Windows\system32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\explorer.exe" "explorer.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:2692

Network

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

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

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

    33KB

    MD5

    62457e5d7d72b9d2a3dc94404023b8e8

    SHA1

    a0fd127f66696531e9e1fc59d4d8c88c86d14e02

    SHA256

    2b8acd41c61581c4a77c399cf5fe9ba7104cadd2f8cdc6a331536b618b21cbf3

    SHA512

    7a58ae906ec1b7375e14aa0af8c0e1d976b2ee1303e0e7e0f2728152ade4be6b6dbdb2db32137c142d0892b3616689ab31c96a721fb89ff49d6178ba854ecb7b

    Download Submit
  • memory/2368-0-0x0000000000920000-0x0000000000936000-memory.dmp
    Filesize

    88KB

    Download
  • memory/2368-1-0x000007FEF58A0000-0x000007FEF623D000-memory.dmp
    Filesize

    9.6MB

    Download
  • memory/2368-2-0x0000000000390000-0x0000000000410000-memory.dmp
    Filesize

    512KB

    Download
  • memory/2368-3-0x000007FEF58A0000-0x000007FEF623D000-memory.dmp
    Filesize

    9.6MB

    Download
  • memory/2368-11-0x000007FEF58A0000-0x000007FEF623D000-memory.dmp
    Filesize

    9.6MB

    Download
  • memory/2768-12-0x000007FEF58A0000-0x000007FEF623D000-memory.dmp
    Filesize

    9.6MB

    Download
  • memory/2768-13-0x0000000000980000-0x0000000000A00000-memory.dmp
    Filesize

    512KB

    Download
  • memory/2768-14-0x000007FEF58A0000-0x000007FEF623D000-memory.dmp
    Filesize

    9.6MB

    Download
  • memory/2768-16-0x0000000000980000-0x0000000000A00000-memory.dmp
    Filesize

    512KB

    Download
  • memory/2768-17-0x000007FEF58A0000-0x000007FEF623D000-memory.dmp
    Filesize

    9.6MB

    Download
  • memory/2768-18-0x0000000000980000-0x0000000000A00000-memory.dmp
    Filesize

    512KB

    Download
  • memory/2768-19-0x0000000000980000-0x0000000000A00000-memory.dmp
    Filesize

    512KB

    Download