Overview

overview

10

Static

static

3

90607a7629...30.exe

windows7-x64

10

90607a7629...30.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    04-02-2024 22:56

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General

  • Target

    90607a7629033870512ce47aa2644430.exe

  • Size

    149KB

  • MD5

    90607a7629033870512ce47aa2644430

  • SHA1

    74a2b921aa81012febfe62ca170c2291098e6a4d

  • SHA256

    eebb78b35724ef9aec1c4c6c45cfcbc6005b9485e5698d58f8bf63d71f776d71

  • SHA512

    ee0b6347237e5caedb27c73fb8966d11d4a9b383b9c4fb30e724183a4f40cfe29ed7d3ab8c97bcff6e3f33e99cc6df036adb55e4a65b6da665429a32a9a62fc5

  • SSDEEP

    3072:3jFv0c5kHW4/ePbZIC6YqmwH9gi36BsNSijgvxttpk8D:3jFvT5YGtId0egi3EsNBqb7

Score
10/10
njrat4evasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

4

C2

rlawlsl154.codns.com:443

Mutex

a695e871b7f2f081334e678e67df6a28

Attributes
  • reg_key

    a695e871b7f2f081334e678e67df6a28

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops autorun.inf file 1 TTPs 5 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\90607a7629033870512ce47aa2644430.exe
    "C:\Users\Admin\AppData\Local\Temp\90607a7629033870512ce47aa2644430.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Drops autorun.inf file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2192
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\90607a7629033870512ce47aa2644430.exe" "90607a7629033870512ce47aa2644430.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      PID:2204

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Replication Through Removable Media

1
T1091

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

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • F:\svchost.exe
    Filesize

    149KB

    MD5

    90607a7629033870512ce47aa2644430

    SHA1

    74a2b921aa81012febfe62ca170c2291098e6a4d

    SHA256

    eebb78b35724ef9aec1c4c6c45cfcbc6005b9485e5698d58f8bf63d71f776d71

    SHA512

    ee0b6347237e5caedb27c73fb8966d11d4a9b383b9c4fb30e724183a4f40cfe29ed7d3ab8c97bcff6e3f33e99cc6df036adb55e4a65b6da665429a32a9a62fc5

    Download Submit
  • memory/2192-0-0x0000000000C40000-0x0000000000C6E000-memory.dmp
    Filesize

    184KB

    Download
  • memory/2192-1-0x00000000749D0000-0x00000000750BE000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/2192-2-0x0000000000590000-0x00000000005A0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2192-12-0x0000000002140000-0x0000000002180000-memory.dmp
    Filesize

    256KB

    Download
  • memory/2192-13-0x00000000749D0000-0x00000000750BE000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/2192-14-0x0000000002140000-0x0000000002180000-memory.dmp
    Filesize

    256KB

    Download