njrat | a48ab371ed157137d3e8ba264ff50991b12e1c5f07e54ea9273621113f93220a

General

Target

db94e7412a97baa53f7ea2aca96e40c0N.exe
Size

118KB
MD5

db94e7412a97baa53f7ea2aca96e40c0
SHA1

7664916ef4b3360cba4f9991e483c4bc3b2bd0c2
SHA256

a48ab371ed157137d3e8ba264ff50991b12e1c5f07e54ea9273621113f93220a
SHA512

9956bd649515959618f6e36415987f2d4d5db4a4eecfe3d5c38038bb021925f4998e0763369f11c4d2c3904f050bff639d1645c60c32c1d810a55fa962254e71
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZlfg:P5eznsjsguGDFqGZ2rDLo

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/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
5068	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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	db94e7412a97baa53f7ea2aca96e40c0N.exe

Executes dropped EXE 2 IoCs

pid	Process
32	chargeable.exe
4036	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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	db94e7412a97baa53f7ea2aca96e40c0N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\db94e7412a97baa53f7ea2aca96e40c0N.exe"	db94e7412a97baa53f7ea2aca96e40c0N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 32 set thread context of 4036	32	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

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	db94e7412a97baa53f7ea2aca96e40c0N.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	4036	chargeable.exe
Token: 33	4036	chargeable.exe
Token: SeIncBasePriorityPrivilege	4036	chargeable.exe
Token: 33	4036	chargeable.exe
Token: SeIncBasePriorityPrivilege	4036	chargeable.exe
Token: 33	4036	chargeable.exe
Token: SeIncBasePriorityPrivilege	4036	chargeable.exe
Token: 33	4036	chargeable.exe
Token: SeIncBasePriorityPrivilege	4036	chargeable.exe
Token: 33	4036	chargeable.exe
Token: SeIncBasePriorityPrivilege	4036	chargeable.exe
Token: 33	4036	chargeable.exe
Token: SeIncBasePriorityPrivilege	4036	chargeable.exe
Token: 33	4036	chargeable.exe
Token: SeIncBasePriorityPrivilege	4036	chargeable.exe
Token: 33	4036	chargeable.exe
Token: SeIncBasePriorityPrivilege	4036	chargeable.exe
Token: 33	4036	chargeable.exe
Token: SeIncBasePriorityPrivilege	4036	chargeable.exe
Token: 33	4036	chargeable.exe
Token: SeIncBasePriorityPrivilege	4036	chargeable.exe
Token: 33	4036	chargeable.exe
Token: SeIncBasePriorityPrivilege	4036	chargeable.exe
Token: 33	4036	chargeable.exe
Token: SeIncBasePriorityPrivilege	4036	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 32	4876	db94e7412a97baa53f7ea2aca96e40c0N.exe	92
PID 4876 wrote to memory of 32	4876	db94e7412a97baa53f7ea2aca96e40c0N.exe	92
PID 4876 wrote to memory of 32	4876	db94e7412a97baa53f7ea2aca96e40c0N.exe	92
PID 32 wrote to memory of 4036	32	chargeable.exe	95
PID 32 wrote to memory of 4036	32	chargeable.exe	95
PID 32 wrote to memory of 4036	32	chargeable.exe	95
PID 32 wrote to memory of 4036	32	chargeable.exe	95
PID 32 wrote to memory of 4036	32	chargeable.exe	95
PID 32 wrote to memory of 4036	32	chargeable.exe	95
PID 32 wrote to memory of 4036	32	chargeable.exe	95
PID 32 wrote to memory of 4036	32	chargeable.exe	95
PID 4036 wrote to memory of 5068	4036	chargeable.exe	96
PID 4036 wrote to memory of 5068	4036	chargeable.exe	96
PID 4036 wrote to memory of 5068	4036	chargeable.exe	96

C:\Users\Admin\AppData\Local\Temp\db94e7412a97baa53f7ea2aca96e40c0N.exe
"C:\Users\Admin\AppData\Local\Temp\db94e7412a97baa53f7ea2aca96e40c0N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4876
- 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:32
- - 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:4036
  - - 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:5068

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
118KB

MD5
e88ad995ac08a60bec57ff4350c4f1d4

SHA1
9fcb2547fa81b0488e80be51ba6040ac717a372f

SHA256
48d8d3332006ac32371bf301924259ea5a59360c268c193d33bcbfd7e5874dba

SHA512
6d4d07e473fa33e3f60792fe5c29b9d7ca94a80cc8668982438f25bbe7465cc00258c01b12b621ebb17b70367a6f40f162d998242a4eb03ccc7cd4f7a274bcb4

Download Submit
memory/32-21-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/32-23-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/32-29-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/32-22-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/4036-31-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/4036-28-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/4036-30-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/4036-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4876-19-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/4876-0-0x00000000746C2000-0x00000000746C3000-memory.dmp

Filesize
4KB

Download
memory/4876-1-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/4876-20-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/4876-6-0x00000000746C2000-0x00000000746C3000-memory.dmp

Filesize
4KB

Download
memory/4876-2-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/4876-7-0x00000000746C0000-0x0000000074C71000-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