njrat | f25c2fc70eca513112ecafde460ebd95f18a8fac38b219109e0dcf0a81cebf16

General

Target

f25c2fc70eca513112ecafde460ebd95f18a8fac38b219109e0dcf0a81cebf16.exe
Size

117KB
MD5

fda7c672fb826156ead78ef2d53ea576
SHA1

0984be1198abeed4f259fcb8f69304fc6bbc849c
SHA256

f25c2fc70eca513112ecafde460ebd95f18a8fac38b219109e0dcf0a81cebf16
SHA512

a4711c99f1c9e51c911ddfc75e5f7914625afbd3713b4ab41ec3948b2911a57204677bc71af3612c3393cb47ed852e74dbe5c1ecf9aeb47e4a94ce45d77914ad
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVgO:P5eznsjsguGDFqGZ2rDL7

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
4928	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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	f25c2fc70eca513112ecafde460ebd95f18a8fac38b219109e0dcf0a81cebf16.exe

Executes dropped EXE 2 IoCs

pid	Process
1028	chargeable.exe
2932	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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	f25c2fc70eca513112ecafde460ebd95f18a8fac38b219109e0dcf0a81cebf16.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f25c2fc70eca513112ecafde460ebd95f18a8fac38b219109e0dcf0a81cebf16.exe"	f25c2fc70eca513112ecafde460ebd95f18a8fac38b219109e0dcf0a81cebf16.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1028 set thread context of 2932	1028	chargeable.exe	92

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f25c2fc70eca513112ecafde460ebd95f18a8fac38b219109e0dcf0a81cebf16.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2932	chargeable.exe
Token: 33	2932	chargeable.exe
Token: SeIncBasePriorityPrivilege	2932	chargeable.exe
Token: 33	2932	chargeable.exe
Token: SeIncBasePriorityPrivilege	2932	chargeable.exe
Token: 33	2932	chargeable.exe
Token: SeIncBasePriorityPrivilege	2932	chargeable.exe
Token: 33	2932	chargeable.exe
Token: SeIncBasePriorityPrivilege	2932	chargeable.exe
Token: 33	2932	chargeable.exe
Token: SeIncBasePriorityPrivilege	2932	chargeable.exe
Token: 33	2932	chargeable.exe
Token: SeIncBasePriorityPrivilege	2932	chargeable.exe
Token: 33	2932	chargeable.exe
Token: SeIncBasePriorityPrivilege	2932	chargeable.exe
Token: 33	2932	chargeable.exe
Token: SeIncBasePriorityPrivilege	2932	chargeable.exe
Token: 33	2932	chargeable.exe
Token: SeIncBasePriorityPrivilege	2932	chargeable.exe
Token: 33	2932	chargeable.exe
Token: SeIncBasePriorityPrivilege	2932	chargeable.exe
Token: 33	2932	chargeable.exe
Token: SeIncBasePriorityPrivilege	2932	chargeable.exe
Token: 33	2932	chargeable.exe
Token: SeIncBasePriorityPrivilege	2932	chargeable.exe
Token: 33	2932	chargeable.exe
Token: SeIncBasePriorityPrivilege	2932	chargeable.exe
Token: 33	2932	chargeable.exe
Token: SeIncBasePriorityPrivilege	2932	chargeable.exe
Token: 33	2932	chargeable.exe
Token: SeIncBasePriorityPrivilege	2932	chargeable.exe
Token: 33	2932	chargeable.exe
Token: SeIncBasePriorityPrivilege	2932	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 872 wrote to memory of 1028	872	f25c2fc70eca513112ecafde460ebd95f18a8fac38b219109e0dcf0a81cebf16.exe	86
PID 872 wrote to memory of 1028	872	f25c2fc70eca513112ecafde460ebd95f18a8fac38b219109e0dcf0a81cebf16.exe	86
PID 872 wrote to memory of 1028	872	f25c2fc70eca513112ecafde460ebd95f18a8fac38b219109e0dcf0a81cebf16.exe	86
PID 1028 wrote to memory of 2932	1028	chargeable.exe	92
PID 1028 wrote to memory of 2932	1028	chargeable.exe	92
PID 1028 wrote to memory of 2932	1028	chargeable.exe	92
PID 1028 wrote to memory of 2932	1028	chargeable.exe	92
PID 1028 wrote to memory of 2932	1028	chargeable.exe	92
PID 1028 wrote to memory of 2932	1028	chargeable.exe	92
PID 1028 wrote to memory of 2932	1028	chargeable.exe	92
PID 1028 wrote to memory of 2932	1028	chargeable.exe	92
PID 2932 wrote to memory of 4928	2932	chargeable.exe	97
PID 2932 wrote to memory of 4928	2932	chargeable.exe	97
PID 2932 wrote to memory of 4928	2932	chargeable.exe	97

C:\Users\Admin\AppData\Local\Temp\f25c2fc70eca513112ecafde460ebd95f18a8fac38b219109e0dcf0a81cebf16.exe
"C:\Users\Admin\AppData\Local\Temp\f25c2fc70eca513112ecafde460ebd95f18a8fac38b219109e0dcf0a81cebf16.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:872
- 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:1028
- - 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:2932
  - - 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:4928

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\Roaming\confuse\chargeable.exe

Filesize
117KB

MD5
7a3497057dcc984d7500712f8eaaef0e

SHA1
47bb2287e58dd155ec7d28b7a9b95572b508185c

SHA256
5631581fd1ca3aaecc348ea3e48304764f69e70bfe08617aa5348266e4c64c22

SHA512
0fb52401893172adb030c65f81377914b9b9b56db3965443adb02a5c7619555e55b1c668950362b94bdd9c4d2bd33295b4ce9529dbefd7f064c8474f4aee474f

Download Submit
memory/872-18-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/872-5-0x0000000074E92000-0x0000000074E93000-memory.dmp

Filesize
4KB

Download
memory/872-6-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/872-1-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/872-19-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/872-0-0x0000000074E92000-0x0000000074E93000-memory.dmp

Filesize
4KB

Download
memory/1028-21-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/1028-20-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/1028-22-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/1028-27-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/2932-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2932-26-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/2932-28-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/2932-29-0x0000000074E90000-0x0000000075441000-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