njrat | 5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1

General

Target

5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe
Size

114KB
MD5

01147c2d8d629fb6a6902102f2513f01
SHA1

21dbf1fa09d529fc00a598567449ca09f059f0ec
SHA256

5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1
SHA512

0a7f6087ca037036c6295ddecc121a7d9c244a81da12515f16b6db81454a84a4f68054a6533bd0ea6fbf05131c26f679f9332b9b2d50d002669b434ae3a8c433
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73vry:w5eznsjsguGDFqGx8egoxmO3rvm

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
4272	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	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe

Executes dropped EXE 2 IoCs

pid	Process
5112	chargeable.exe
4984	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"	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.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\\5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe"	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5112 set thread context of 4984	5112	chargeable.exe	88

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 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	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.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 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	4984	chargeable.exe
Token: 33	4984	chargeable.exe
Token: SeIncBasePriorityPrivilege	4984	chargeable.exe
Token: 33	4984	chargeable.exe
Token: SeIncBasePriorityPrivilege	4984	chargeable.exe
Token: 33	4984	chargeable.exe
Token: SeIncBasePriorityPrivilege	4984	chargeable.exe
Token: 33	4984	chargeable.exe
Token: SeIncBasePriorityPrivilege	4984	chargeable.exe
Token: 33	4984	chargeable.exe
Token: SeIncBasePriorityPrivilege	4984	chargeable.exe
Token: 33	4984	chargeable.exe
Token: SeIncBasePriorityPrivilege	4984	chargeable.exe
Token: 33	4984	chargeable.exe
Token: SeIncBasePriorityPrivilege	4984	chargeable.exe
Token: 33	4984	chargeable.exe
Token: SeIncBasePriorityPrivilege	4984	chargeable.exe
Token: 33	4984	chargeable.exe
Token: SeIncBasePriorityPrivilege	4984	chargeable.exe
Token: 33	4984	chargeable.exe
Token: SeIncBasePriorityPrivilege	4984	chargeable.exe
Token: 33	4984	chargeable.exe
Token: SeIncBasePriorityPrivilege	4984	chargeable.exe
Token: 33	4984	chargeable.exe
Token: SeIncBasePriorityPrivilege	4984	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3360 wrote to memory of 5112	3360	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe	84
PID 3360 wrote to memory of 5112	3360	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe	84
PID 3360 wrote to memory of 5112	3360	5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe	84
PID 5112 wrote to memory of 4984	5112	chargeable.exe	88
PID 5112 wrote to memory of 4984	5112	chargeable.exe	88
PID 5112 wrote to memory of 4984	5112	chargeable.exe	88
PID 5112 wrote to memory of 4984	5112	chargeable.exe	88
PID 5112 wrote to memory of 4984	5112	chargeable.exe	88
PID 5112 wrote to memory of 4984	5112	chargeable.exe	88
PID 5112 wrote to memory of 4984	5112	chargeable.exe	88
PID 5112 wrote to memory of 4984	5112	chargeable.exe	88
PID 4984 wrote to memory of 4272	4984	chargeable.exe	91
PID 4984 wrote to memory of 4272	4984	chargeable.exe	91
PID 4984 wrote to memory of 4272	4984	chargeable.exe	91

C:\Users\Admin\AppData\Local\Temp\5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe
"C:\Users\Admin\AppData\Local\Temp\5054140f8650c862a10697b8f1e3ef9cb07e78359df6d0a3e645e5c8bf0efde1.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3360
- 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:5112
- - 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:4984
  - - 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:4272

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
114KB

MD5
b78962a07bb1c764b818ee90832d36b0

SHA1
ac9f21179fd903fb6c22f0899b0a170929f89119

SHA256
77f77e46ea19f568c45d254f1657966d5697b00c3def039435577fa31ea475e7

SHA512
0e0d9dedc5cc782cc497aba3df22f0027f0b4f4c7273d976a07c144aee659fa6b5587e1f892c88b5a5d4a709945593a7b0600db02f6574f51fed48f414336052

Download Submit
memory/3360-19-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/3360-1-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/3360-2-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/3360-6-0x00000000746C2000-0x00000000746C3000-memory.dmp

Filesize
4KB

Download
memory/3360-7-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/3360-0-0x00000000746C2000-0x00000000746C3000-memory.dmp

Filesize
4KB

Download
memory/3360-20-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/4984-28-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/4984-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4984-29-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/4984-30-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/5112-22-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/5112-21-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/5112-27-0x00000000746C0000-0x0000000074C71000-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