njrat | dc8952e3f695043bc39ccd6214037af954bafaa390a4444f3b3515dcbb4e2850

General

Target

dc8952e3f695043bc39ccd6214037af954bafaa390a4444f3b3515dcbb4e2850.exe
Size

119KB
MD5

3433d22335c094585b594e18389966cd
SHA1

a8e592eefefdda641640ca70e0703de162ec8566
SHA256

dc8952e3f695043bc39ccd6214037af954bafaa390a4444f3b3515dcbb4e2850
SHA512

7e7eae6de138df5922293bb743db9a4d92b10738bfc19a4c535da15e7d54456b054ddde93121667c523dff4434523d14e802233ff5f0a244a433219451054c91
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL14Fg8:P5eznsjsguGDFqGZ2rDL14Fg8

Score

10^/10

njrat neuf discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes

reg_key
e1a87040f2026369a233f9ae76301b7b
splitter
|'|'|

Signatures

Njrat family
njrat
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
2172	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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	dc8952e3f695043bc39ccd6214037af954bafaa390a4444f3b3515dcbb4e2850.exe

Executes dropped EXE 3 IoCs

pid	Process
3544	chargeable.exe
1872	chargeable.exe
4448	chargeable.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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	dc8952e3f695043bc39ccd6214037af954bafaa390a4444f3b3515dcbb4e2850.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dc8952e3f695043bc39ccd6214037af954bafaa390a4444f3b3515dcbb4e2850.exe"	dc8952e3f695043bc39ccd6214037af954bafaa390a4444f3b3515dcbb4e2850.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3544 set thread context of 1872	3544	chargeable.exe	96
PID 3544 set thread context of 4448	3544	chargeable.exe	95

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
840	4448	WerFault.exe	95

System Location Discovery: System Language Discovery 1 TTPs 4 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	dc8952e3f695043bc39ccd6214037af954bafaa390a4444f3b3515dcbb4e2850.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	1872	chargeable.exe
Token: 33	1872	chargeable.exe
Token: SeIncBasePriorityPrivilege	1872	chargeable.exe
Token: 33	1872	chargeable.exe
Token: SeIncBasePriorityPrivilege	1872	chargeable.exe
Token: 33	1872	chargeable.exe
Token: SeIncBasePriorityPrivilege	1872	chargeable.exe
Token: 33	1872	chargeable.exe
Token: SeIncBasePriorityPrivilege	1872	chargeable.exe
Token: 33	1872	chargeable.exe
Token: SeIncBasePriorityPrivilege	1872	chargeable.exe
Token: 33	1872	chargeable.exe
Token: SeIncBasePriorityPrivilege	1872	chargeable.exe
Token: 33	1872	chargeable.exe
Token: SeIncBasePriorityPrivilege	1872	chargeable.exe
Token: 33	1872	chargeable.exe
Token: SeIncBasePriorityPrivilege	1872	chargeable.exe
Token: 33	1872	chargeable.exe
Token: SeIncBasePriorityPrivilege	1872	chargeable.exe
Token: 33	1872	chargeable.exe
Token: SeIncBasePriorityPrivilege	1872	chargeable.exe
Token: 33	1872	chargeable.exe
Token: SeIncBasePriorityPrivilege	1872	chargeable.exe
Token: 33	1872	chargeable.exe
Token: SeIncBasePriorityPrivilege	1872	chargeable.exe
Token: 33	1872	chargeable.exe
Token: SeIncBasePriorityPrivilege	1872	chargeable.exe
Token: 33	1872	chargeable.exe
Token: SeIncBasePriorityPrivilege	1872	chargeable.exe
Token: 33	1872	chargeable.exe
Token: SeIncBasePriorityPrivilege	1872	chargeable.exe
Token: 33	1872	chargeable.exe
Token: SeIncBasePriorityPrivilege	1872	chargeable.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 3356 wrote to memory of 3544	3356	dc8952e3f695043bc39ccd6214037af954bafaa390a4444f3b3515dcbb4e2850.exe	92
PID 3356 wrote to memory of 3544	3356	dc8952e3f695043bc39ccd6214037af954bafaa390a4444f3b3515dcbb4e2850.exe	92
PID 3356 wrote to memory of 3544	3356	dc8952e3f695043bc39ccd6214037af954bafaa390a4444f3b3515dcbb4e2850.exe	92
PID 3544 wrote to memory of 4448	3544	chargeable.exe	95
PID 3544 wrote to memory of 4448	3544	chargeable.exe	95
PID 3544 wrote to memory of 4448	3544	chargeable.exe	95
PID 3544 wrote to memory of 1872	3544	chargeable.exe	96
PID 3544 wrote to memory of 1872	3544	chargeable.exe	96
PID 3544 wrote to memory of 1872	3544	chargeable.exe	96
PID 3544 wrote to memory of 1872	3544	chargeable.exe	96
PID 3544 wrote to memory of 1872	3544	chargeable.exe	96
PID 3544 wrote to memory of 1872	3544	chargeable.exe	96
PID 3544 wrote to memory of 1872	3544	chargeable.exe	96
PID 3544 wrote to memory of 1872	3544	chargeable.exe	96
PID 3544 wrote to memory of 4448	3544	chargeable.exe	95
PID 3544 wrote to memory of 4448	3544	chargeable.exe	95
PID 3544 wrote to memory of 4448	3544	chargeable.exe	95
PID 3544 wrote to memory of 4448	3544	chargeable.exe	95
PID 3544 wrote to memory of 4448	3544	chargeable.exe	95
PID 1872 wrote to memory of 2172	1872	chargeable.exe	100
PID 1872 wrote to memory of 2172	1872	chargeable.exe	100
PID 1872 wrote to memory of 2172	1872	chargeable.exe	100

C:\Users\Admin\AppData\Local\Temp\dc8952e3f695043bc39ccd6214037af954bafaa390a4444f3b3515dcbb4e2850.exe
"C:\Users\Admin\AppData\Local\Temp\dc8952e3f695043bc39ccd6214037af954bafaa390a4444f3b3515dcbb4e2850.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3356
- C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
  "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3544
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:4448
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 80
      4⤵
      Program crash
      PID:840
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1872
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:2172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4448 -ip 4448
1⤵
PID:3176

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\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log

Filesize
400B

MD5
0a9b4592cd49c3c21f6767c2dabda92f

SHA1
f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

SHA256
c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

SHA512
6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

Download Submit
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe

Filesize
119KB

MD5
e5fa56abe49aa024a8a33c3ffdf52419

SHA1
5d404138cd75fca2c21d103e45db5988b80afed6

SHA256
2ced99c828914ddd0ef830210dd3c1272be09e311344a544599cc29ae9e6d050

SHA512
d8488a0904c6b5dfe198ea722272b7b563030feb47dcc5ea5e253f73c7145f5fb84ba190ba01ee500518535bf6f8d80a24dceb418e354beaf1b6e2e406de0de0

Download Submit
memory/1872-33-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/1872-32-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/1872-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1872-30-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/3356-7-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/3356-20-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/3356-19-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/3356-0-0x0000000075402000-0x0000000075403000-memory.dmp

Filesize
4KB

Download
memory/3356-6-0x0000000075402000-0x0000000075403000-memory.dmp

Filesize
4KB

Download
memory/3356-2-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/3356-1-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/3544-22-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/3544-23-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/3544-21-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/3544-31-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads