njrat | c5cf8105413defda0a323c1c2133a479e83d0696476d138d1bea3488d1a94738

General

Target

Follow Bot.exe
Size

262KB
MD5

5004792993bebe85f15a201e52b96d82
SHA1

2f9b00a5cba3c5f8763529dd145ab9d292220bce
SHA256

6954f9517e8abb2fbbc90074bbbdf6aac2e28b6ea2a59b5e40b077bc287b139e
SHA512

4c451c07cde5449159ec39099d3ba437f8869410b745471b2c287fccbfe4d8dd80f75102fa397afb7f45f10b07cb3427cf70e1cb74779bc67aa3c684c7ff98f0
SSDEEP

6144:qNI5xXe91xOmkOHi8IvlmA4slVoWpvC9hd:jxSvavlmA4slVoWohd

Score

10^/10

njrat credential_access discovery evasion persistence privilege_escalation spyware stealer trojan

Malware Config

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4280	netsh.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	Follow Bot.exe
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	2.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1db1ae237e6f59ba4ea496d20bffd3b9.exe	.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1db1ae237e6f59ba4ea496d20bffd3b9.exe	.exe

Executes dropped EXE 3 IoCs

pid	Process
4748	1.exe
456	2.exe
5084	.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1db1ae237e6f59ba4ea496d20bffd3b9 = "\"C:\\ProgramData\\.exe\" .."	.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\1db1ae237e6f59ba4ea496d20bffd3b9 = "\"C:\\ProgramData\\.exe\" .."	.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

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

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2.exe

Suspicious use of AdjustPrivilegeToken 34 IoCs

description	pid	Process
Token: SeDebugPrivilege	4748	1.exe
Token: SeDebugPrivilege	5084	.exe
Token: 33	5084	.exe
Token: SeIncBasePriorityPrivilege	5084	.exe
Token: 33	5084	.exe
Token: SeIncBasePriorityPrivilege	5084	.exe
Token: 33	5084	.exe
Token: SeIncBasePriorityPrivilege	5084	.exe
Token: 33	5084	.exe
Token: SeIncBasePriorityPrivilege	5084	.exe
Token: 33	5084	.exe
Token: SeIncBasePriorityPrivilege	5084	.exe
Token: 33	5084	.exe
Token: SeIncBasePriorityPrivilege	5084	.exe
Token: 33	5084	.exe
Token: SeIncBasePriorityPrivilege	5084	.exe
Token: 33	5084	.exe
Token: SeIncBasePriorityPrivilege	5084	.exe
Token: 33	5084	.exe
Token: SeIncBasePriorityPrivilege	5084	.exe
Token: 33	5084	.exe
Token: SeIncBasePriorityPrivilege	5084	.exe
Token: 33	5084	.exe
Token: SeIncBasePriorityPrivilege	5084	.exe
Token: 33	5084	.exe
Token: SeIncBasePriorityPrivilege	5084	.exe
Token: 33	5084	.exe
Token: SeIncBasePriorityPrivilege	5084	.exe
Token: 33	5084	.exe
Token: SeIncBasePriorityPrivilege	5084	.exe
Token: 33	5084	.exe
Token: SeIncBasePriorityPrivilege	5084	.exe
Token: 33	5084	.exe
Token: SeIncBasePriorityPrivilege	5084	.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 4748	1916	Follow Bot.exe	82
PID 1916 wrote to memory of 4748	1916	Follow Bot.exe	82
PID 1916 wrote to memory of 456	1916	Follow Bot.exe	83
PID 1916 wrote to memory of 456	1916	Follow Bot.exe	83
PID 1916 wrote to memory of 456	1916	Follow Bot.exe	83
PID 456 wrote to memory of 5084	456	2.exe	89
PID 456 wrote to memory of 5084	456	2.exe	89
PID 456 wrote to memory of 5084	456	2.exe	89
PID 5084 wrote to memory of 4280	5084	.exe	92
PID 5084 wrote to memory of 4280	5084	.exe	92
PID 5084 wrote to memory of 4280	5084	.exe	92

C:\Users\Admin\AppData\Local\Temp\Follow Bot.exe
"C:\Users\Admin\AppData\Local\Temp\Follow Bot.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Users\Admin\AppData\Local\Temp\1.exe
  "C:\Users\Admin\AppData\Local\Temp\1.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4748
- C:\Users\Admin\AppData\Local\Temp\2.exe
  "C:\Users\Admin\AppData\Local\Temp\2.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:456
- - C:\ProgramData\.exe
    "C:\ProgramData\.exe"
    3⤵
    - 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:5084
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\ProgramData\.exe" ".exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:4280

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

Modify Registry

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\1.exe

Filesize
174KB

MD5
e1fa4a0b04e72467f7925be5fabb8ca7

SHA1
4dd7f64452508e47767aeea1a90d933d3281ffce

SHA256
b0d5d9b3379612296262314461de8796da41402fbe100c0239316efda6ae9e01

SHA512
6651e037cef9b0748485b8177db7a63207b3e4745bcc1fd360d0b2653eb6f41ee233faebe4fb401920d7e04ffad12e9fd5e421ccdca896dd7b8e6b3cc8997b6e

Download Submit
C:\Users\Admin\AppData\Local\Temp\2.exe

Filesize
23KB

MD5
940fa0a748f3856093c3e15c2f915f05

SHA1
ece687288cade7d8c9d8b36ef01584ec842fa527

SHA256
8346c2660d86630af67650d71e51c5ebac15d0dd62b62a071f3d3ac809387e44

SHA512
6d10de2bb7bf42fcf37371b5846441d53447a370c05f773d788e1d23ee56c5fc688c5882a72494a021257334d79fc2d528ae64ebfb9c86cfff56fe5f162adf82

Download Submit
memory/1916-0-0x00007FFFD6CD3000-0x00007FFFD6CD5000-memory.dmp

Filesize
8KB

Download
memory/1916-1-0x00000000009F0000-0x0000000000A36000-memory.dmp

Filesize
280KB

Download
memory/1916-2-0x00000000011E0000-0x000000000121A000-memory.dmp

Filesize
232KB

Download
memory/4748-15-0x0000000000770000-0x00000000007A2000-memory.dmp

Filesize
200KB

Download
memory/4748-16-0x00007FFFD6CD0000-0x00007FFFD7791000-memory.dmp

Filesize
10.8MB

Download
memory/4748-17-0x00007FFFD6CD0000-0x00007FFFD7791000-memory.dmp

Filesize
10.8MB

Download
memory/4748-18-0x000000001BE90000-0x000000001C039000-memory.dmp

Filesize
1.7MB

Download
memory/4748-19-0x00007FFFD6CD0000-0x00007FFFD7791000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads