njrat | 3b85bff29b551c67997a4e763bf2da6463538fc6697f6e162daf1a6de9f9d636

General

Target

3b85bff29b551c67997a4e763bf2da6463538fc6697f6e162daf1a6de9f9d636.exe
Size

116KB
MD5

b6d002079290cdd6f4c05eea7db27ad0
SHA1

fbc42b4d3a1f84deb54fd864e28e1215e6e78ced
SHA256

3b85bff29b551c67997a4e763bf2da6463538fc6697f6e162daf1a6de9f9d636
SHA512

c63d6761785021c3e9be5b7807071876c31e183f5cc670f842c9c40bac13d56500730738d034cec4af27e31159535e61cd01669031658036caa8f7c9b304a9f8
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZD:P5eznsjsguGDFqGZ2rDLZD

Score

10^/10

njrat neuf 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/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
816	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-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	3b85bff29b551c67997a4e763bf2da6463538fc6697f6e162daf1a6de9f9d636.exe

Executes dropped EXE 2 IoCs

pid	Process
3412	chargeable.exe
2020	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-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	3b85bff29b551c67997a4e763bf2da6463538fc6697f6e162daf1a6de9f9d636.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3b85bff29b551c67997a4e763bf2da6463538fc6697f6e162daf1a6de9f9d636.exe"	3b85bff29b551c67997a4e763bf2da6463538fc6697f6e162daf1a6de9f9d636.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3412 set thread context of 2020	3412	chargeable.exe	87

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

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2020	chargeable.exe
Token: 33	2020	chargeable.exe
Token: SeIncBasePriorityPrivilege	2020	chargeable.exe
Token: 33	2020	chargeable.exe
Token: SeIncBasePriorityPrivilege	2020	chargeable.exe
Token: 33	2020	chargeable.exe
Token: SeIncBasePriorityPrivilege	2020	chargeable.exe
Token: 33	2020	chargeable.exe
Token: SeIncBasePriorityPrivilege	2020	chargeable.exe
Token: 33	2020	chargeable.exe
Token: SeIncBasePriorityPrivilege	2020	chargeable.exe
Token: 33	2020	chargeable.exe
Token: SeIncBasePriorityPrivilege	2020	chargeable.exe
Token: 33	2020	chargeable.exe
Token: SeIncBasePriorityPrivilege	2020	chargeable.exe
Token: 33	2020	chargeable.exe
Token: SeIncBasePriorityPrivilege	2020	chargeable.exe
Token: 33	2020	chargeable.exe
Token: SeIncBasePriorityPrivilege	2020	chargeable.exe
Token: 33	2020	chargeable.exe
Token: SeIncBasePriorityPrivilege	2020	chargeable.exe
Token: 33	2020	chargeable.exe
Token: SeIncBasePriorityPrivilege	2020	chargeable.exe
Token: 33	2020	chargeable.exe
Token: SeIncBasePriorityPrivilege	2020	chargeable.exe
Token: 33	2020	chargeable.exe
Token: SeIncBasePriorityPrivilege	2020	chargeable.exe
Token: 33	2020	chargeable.exe
Token: SeIncBasePriorityPrivilege	2020	chargeable.exe
Token: 33	2020	chargeable.exe
Token: SeIncBasePriorityPrivilege	2020	chargeable.exe
Token: 33	2020	chargeable.exe
Token: SeIncBasePriorityPrivilege	2020	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3488 wrote to memory of 3412	3488	3b85bff29b551c67997a4e763bf2da6463538fc6697f6e162daf1a6de9f9d636.exe	85
PID 3488 wrote to memory of 3412	3488	3b85bff29b551c67997a4e763bf2da6463538fc6697f6e162daf1a6de9f9d636.exe	85
PID 3488 wrote to memory of 3412	3488	3b85bff29b551c67997a4e763bf2da6463538fc6697f6e162daf1a6de9f9d636.exe	85
PID 3412 wrote to memory of 2020	3412	chargeable.exe	87
PID 3412 wrote to memory of 2020	3412	chargeable.exe	87
PID 3412 wrote to memory of 2020	3412	chargeable.exe	87
PID 3412 wrote to memory of 2020	3412	chargeable.exe	87
PID 3412 wrote to memory of 2020	3412	chargeable.exe	87
PID 3412 wrote to memory of 2020	3412	chargeable.exe	87
PID 3412 wrote to memory of 2020	3412	chargeable.exe	87
PID 3412 wrote to memory of 2020	3412	chargeable.exe	87
PID 2020 wrote to memory of 816	2020	chargeable.exe	90
PID 2020 wrote to memory of 816	2020	chargeable.exe	90
PID 2020 wrote to memory of 816	2020	chargeable.exe	90

C:\Users\Admin\AppData\Local\Temp\3b85bff29b551c67997a4e763bf2da6463538fc6697f6e162daf1a6de9f9d636.exe
"C:\Users\Admin\AppData\Local\Temp\3b85bff29b551c67997a4e763bf2da6463538fc6697f6e162daf1a6de9f9d636.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3488
- C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
  "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3412
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2020
  - - 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
      PID:816

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

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
116KB

MD5
370f63e2ef409699e46e1ea57454397b

SHA1
c1880e47167ba4a502f24518676a4cd49a9e209f

SHA256
fbd213a8bed917bc73ae10cd1892dc230d586ee4592dc9ada49a84f26755de54

SHA512
c36fa9b1f219b833f7bd859755abb7f9366eccc7c3ceea02815438c7649d162e12533e65efe5439b992456096b57e64c7515fc2810bd65ef497f830435af6890

Download Submit
memory/2020-26-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/2020-20-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2020-24-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/2020-27-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/3412-18-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/3412-19-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/3412-25-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/3488-2-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/3488-17-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/3488-1-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/3488-0-0x0000000074FA2000-0x0000000074FA3000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads