njrat | c934e247117ffefe057ccd5068bc1f02c79b0fa614a4b2aaf7c5b6eb7641a84c

General

Target

c934e247117ffefe057ccd5068bc1f02c79b0fa614a4b2aaf7c5b6eb7641a84cN.exe
Size

509KB
MD5

7502c97e748f2d265147cdc850f7c040
SHA1

171acf1dcc7c6ed33866d0695e1ee02280af60cf
SHA256

c934e247117ffefe057ccd5068bc1f02c79b0fa614a4b2aaf7c5b6eb7641a84c
SHA512

9257df499eaebbbaa33650c60f2c00b30d44c88a904b737801f4957bb2fbda6dc0335233dfffda514d50fe7acbf8faeda84934e1f6b5c7522fc40b2f0777477e
SSDEEP

6144:OXikTvBw92cu4sf29+/Oz+5/Znvpk7k3XH9S9nwOBeNbOuMKzDtfh9ntNYKQRt1O:OSacu4su9sOW/ZvCM4wO8guFftNTQv

Score

10^/10

njrat fw discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

fw

C2

127.0.0.1:5552

Mutex

cbe31fad842d763414d5ed96bd474262

Attributes

reg_key
cbe31fad842d763414d5ed96bd474262
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
656	netsh.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	c934e247117ffefe057ccd5068bc1f02c79b0fa614a4b2aaf7c5b6eb7641a84cN.exe

Executes dropped EXE 1 IoCs

pid	Process
536	svchost.exe

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cbe31fad842d763414d5ed96bd474262 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\cbe31fad842d763414d5ed96bd474262 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.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	c934e247117ffefe057ccd5068bc1f02c79b0fa614a4b2aaf7c5b6eb7641a84cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	536	svchost.exe
Token: 33	536	svchost.exe
Token: SeIncBasePriorityPrivilege	536	svchost.exe
Token: 33	536	svchost.exe
Token: SeIncBasePriorityPrivilege	536	svchost.exe
Token: 33	536	svchost.exe
Token: SeIncBasePriorityPrivilege	536	svchost.exe
Token: 33	536	svchost.exe
Token: SeIncBasePriorityPrivilege	536	svchost.exe
Token: 33	536	svchost.exe
Token: SeIncBasePriorityPrivilege	536	svchost.exe
Token: 33	536	svchost.exe
Token: SeIncBasePriorityPrivilege	536	svchost.exe
Token: 33	536	svchost.exe
Token: SeIncBasePriorityPrivilege	536	svchost.exe
Token: 33	536	svchost.exe
Token: SeIncBasePriorityPrivilege	536	svchost.exe
Token: 33	536	svchost.exe
Token: SeIncBasePriorityPrivilege	536	svchost.exe
Token: 33	536	svchost.exe
Token: SeIncBasePriorityPrivilege	536	svchost.exe
Token: 33	536	svchost.exe
Token: SeIncBasePriorityPrivilege	536	svchost.exe
Token: 33	536	svchost.exe
Token: SeIncBasePriorityPrivilege	536	svchost.exe
Token: 33	536	svchost.exe
Token: SeIncBasePriorityPrivilege	536	svchost.exe
Token: 33	536	svchost.exe
Token: SeIncBasePriorityPrivilege	536	svchost.exe
Token: 33	536	svchost.exe
Token: SeIncBasePriorityPrivilege	536	svchost.exe
Token: 33	536	svchost.exe
Token: SeIncBasePriorityPrivilege	536	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 536	1080	c934e247117ffefe057ccd5068bc1f02c79b0fa614a4b2aaf7c5b6eb7641a84cN.exe	86
PID 1080 wrote to memory of 536	1080	c934e247117ffefe057ccd5068bc1f02c79b0fa614a4b2aaf7c5b6eb7641a84cN.exe	86
PID 1080 wrote to memory of 536	1080	c934e247117ffefe057ccd5068bc1f02c79b0fa614a4b2aaf7c5b6eb7641a84cN.exe	86
PID 536 wrote to memory of 656	536	svchost.exe	89
PID 536 wrote to memory of 656	536	svchost.exe	89
PID 536 wrote to memory of 656	536	svchost.exe	89

C:\Users\Admin\AppData\Local\Temp\c934e247117ffefe057ccd5068bc1f02c79b0fa614a4b2aaf7c5b6eb7641a84cN.exe
"C:\Users\Admin\AppData\Local\Temp\c934e247117ffefe057ccd5068bc1f02c79b0fa614a4b2aaf7c5b6eb7641a84cN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1080
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:536
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:656

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

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
509KB

MD5
7502c97e748f2d265147cdc850f7c040

SHA1
171acf1dcc7c6ed33866d0695e1ee02280af60cf

SHA256
c934e247117ffefe057ccd5068bc1f02c79b0fa614a4b2aaf7c5b6eb7641a84c

SHA512
9257df499eaebbbaa33650c60f2c00b30d44c88a904b737801f4957bb2fbda6dc0335233dfffda514d50fe7acbf8faeda84934e1f6b5c7522fc40b2f0777477e

Download Submit
memory/536-24-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/536-23-0x0000000005F50000-0x0000000005F5A000-memory.dmp

Filesize
40KB

Download
memory/536-20-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/1080-3-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/1080-5-0x0000000005E40000-0x0000000005ED2000-memory.dmp

Filesize
584KB

Download
memory/1080-6-0x0000000006490000-0x0000000006A34000-memory.dmp

Filesize
5.6MB

Download
memory/1080-7-0x00000000034F0000-0x00000000034FC000-memory.dmp

Filesize
48KB

Download
memory/1080-4-0x0000000005DA0000-0x0000000005E3C000-memory.dmp

Filesize
624KB

Download
memory/1080-0-0x000000007524E000-0x000000007524F000-memory.dmp

Filesize
4KB

Download
memory/1080-22-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/1080-2-0x00000000019E0000-0x00000000019E1000-memory.dmp

Filesize
4KB

Download
memory/1080-1-0x0000000000FC0000-0x000000000108C000-memory.dmp

Filesize
816KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads