njrat | b8c5e2c8477706f3f54e152443718dcec270889002289aa1730eabc5ba3f312f

Analysis

max time kernel
146s
max time network
155s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:09

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General

Target

27aa584234053a57f89d2e393478ef04.exe
Size

97KB
MD5

27aa584234053a57f89d2e393478ef04
SHA1

56969025047f74cd434cbb444de6ff3ce3a96cb5
SHA256

54ad65b8e1afd5bb9dbd5ad7b5c66eeb36461d9c814ec6854abcbd33959ff2a8
SHA512

fed56d5eda48e1738e6a45b78fe2278bfa8fbf8ee4cf8c2566efea51e38894f33c4899a5fff756a81b67ba69030b021a578c41df54432f282503cf9ed6f56401
SSDEEP

1536:MYxlY23kGwgMBUQGum2U8aVCguHEvQEbFeDVC3woFRKpTdeE:DlY23kg3sguGDFaXeE

Score

10^/10

njrat neuf defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

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

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2872	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2172	chargeable.exe
2796	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2300	27aa584234053a57f89d2e393478ef04.exe
2300	27aa584234053a57f89d2e393478ef04.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	27aa584234053a57f89d2e393478ef04.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\27aa584234053a57f89d2e393478ef04.exe"	27aa584234053a57f89d2e393478ef04.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2172 set thread context of 2796	2172	chargeable.exe	32

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	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	27aa584234053a57f89d2e393478ef04.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2796	chargeable.exe
Token: 33	2796	chargeable.exe
Token: SeIncBasePriorityPrivilege	2796	chargeable.exe
Token: 33	2796	chargeable.exe
Token: SeIncBasePriorityPrivilege	2796	chargeable.exe
Token: 33	2796	chargeable.exe
Token: SeIncBasePriorityPrivilege	2796	chargeable.exe
Token: 33	2796	chargeable.exe
Token: SeIncBasePriorityPrivilege	2796	chargeable.exe
Token: 33	2796	chargeable.exe
Token: SeIncBasePriorityPrivilege	2796	chargeable.exe
Token: 33	2796	chargeable.exe
Token: SeIncBasePriorityPrivilege	2796	chargeable.exe
Token: 33	2796	chargeable.exe
Token: SeIncBasePriorityPrivilege	2796	chargeable.exe
Token: 33	2796	chargeable.exe
Token: SeIncBasePriorityPrivilege	2796	chargeable.exe
Token: 33	2796	chargeable.exe
Token: SeIncBasePriorityPrivilege	2796	chargeable.exe
Token: 33	2796	chargeable.exe
Token: SeIncBasePriorityPrivilege	2796	chargeable.exe
Token: 33	2796	chargeable.exe
Token: SeIncBasePriorityPrivilege	2796	chargeable.exe
Token: 33	2796	chargeable.exe
Token: SeIncBasePriorityPrivilege	2796	chargeable.exe
Token: 33	2796	chargeable.exe
Token: SeIncBasePriorityPrivilege	2796	chargeable.exe
Token: 33	2796	chargeable.exe
Token: SeIncBasePriorityPrivilege	2796	chargeable.exe
Token: 33	2796	chargeable.exe
Token: SeIncBasePriorityPrivilege	2796	chargeable.exe
Token: 33	2796	chargeable.exe
Token: SeIncBasePriorityPrivilege	2796	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 2172	2300	27aa584234053a57f89d2e393478ef04.exe	31
PID 2300 wrote to memory of 2172	2300	27aa584234053a57f89d2e393478ef04.exe	31
PID 2300 wrote to memory of 2172	2300	27aa584234053a57f89d2e393478ef04.exe	31
PID 2300 wrote to memory of 2172	2300	27aa584234053a57f89d2e393478ef04.exe	31
PID 2172 wrote to memory of 2796	2172	chargeable.exe	32
PID 2172 wrote to memory of 2796	2172	chargeable.exe	32
PID 2172 wrote to memory of 2796	2172	chargeable.exe	32
PID 2172 wrote to memory of 2796	2172	chargeable.exe	32
PID 2172 wrote to memory of 2796	2172	chargeable.exe	32
PID 2172 wrote to memory of 2796	2172	chargeable.exe	32
PID 2172 wrote to memory of 2796	2172	chargeable.exe	32
PID 2172 wrote to memory of 2796	2172	chargeable.exe	32
PID 2172 wrote to memory of 2796	2172	chargeable.exe	32
PID 2796 wrote to memory of 2872	2796	chargeable.exe	33
PID 2796 wrote to memory of 2872	2796	chargeable.exe	33
PID 2796 wrote to memory of 2872	2796	chargeable.exe	33
PID 2796 wrote to memory of 2872	2796	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\27aa584234053a57f89d2e393478ef04.exe
"C:\Users\Admin\AppData\Local\Temp\27aa584234053a57f89d2e393478ef04.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2300
- 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:2172
- - 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:2796
  - - 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:2872

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\confuse\chargeable.exe

Filesize
97KB

MD5
59d0e6c009ff35ddf2057733f59db86b

SHA1
2b9e8603c6f0940d25faba2fd48b9f52ee7063a1

SHA256
cc7983c107ae6ba3184d903fe91ebeaecd4c6015b88aa318d51b815fefea30d9

SHA512
f5547fd4a05a1c21575a8b953e68e44e34ee7b7a875c4a01e105c827ec485a8dfa0c3c5681289adb4f732a45e0d133b6a8ceb2b533eb90dba6690b22e0212441

Download Submit
memory/2172-16-0x0000000074D00000-0x00000000752AB000-memory.dmp

Filesize
5.7MB

Download
memory/2172-24-0x0000000074D00000-0x00000000752AB000-memory.dmp

Filesize
5.7MB

Download
memory/2172-19-0x0000000074D00000-0x00000000752AB000-memory.dmp

Filesize
5.7MB

Download
memory/2172-18-0x0000000074D00000-0x00000000752AB000-memory.dmp

Filesize
5.7MB

Download
memory/2300-6-0x0000000074D00000-0x00000000752AB000-memory.dmp

Filesize
5.7MB

Download
memory/2300-0-0x0000000074D01000-0x0000000074D02000-memory.dmp

Filesize
4KB

Download
memory/2300-2-0x0000000074D00000-0x00000000752AB000-memory.dmp

Filesize
5.7MB

Download
memory/2300-17-0x0000000074D00000-0x00000000752AB000-memory.dmp

Filesize
5.7MB

Download
memory/2300-1-0x0000000074D00000-0x00000000752AB000-memory.dmp

Filesize
5.7MB

Download
memory/2796-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2796-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2796-20-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads