njrat | a0d32b7a7755b312af45165c7c2814e0cca2992da18224f0776258b484fd3358

General

Target

a0d32b7a7755b312af45165c7c2814e0cca2992da18224f0776258b484fd3358.exe
Size

115KB
MD5

efcd19db208e7ccbbea917ed18cae43a
SHA1

1ac3f2f6b17dccd029006d007da7401dd4b2a18f
SHA256

a0d32b7a7755b312af45165c7c2814e0cca2992da18224f0776258b484fd3358
SHA512

19c09886cf52aa39ae6d0c3b3d887471bd3ff53b54203759067ad6d5c5f59ebac6bc74680b7d34ac62ed5bdfdaa1e3f2c3ce790c8f47f53bc1c2b92c563602fc
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMiat6wF:P5eznsjsguGDFqGZ2riE

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
4036	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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	a0d32b7a7755b312af45165c7c2814e0cca2992da18224f0776258b484fd3358.exe

Executes dropped EXE 2 IoCs

pid	Process
4564	chargeable.exe
3164	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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	a0d32b7a7755b312af45165c7c2814e0cca2992da18224f0776258b484fd3358.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a0d32b7a7755b312af45165c7c2814e0cca2992da18224f0776258b484fd3358.exe"	a0d32b7a7755b312af45165c7c2814e0cca2992da18224f0776258b484fd3358.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4564 set thread context of 3164	4564	chargeable.exe	85

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

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	3164	chargeable.exe
Token: 33	3164	chargeable.exe
Token: SeIncBasePriorityPrivilege	3164	chargeable.exe
Token: 33	3164	chargeable.exe
Token: SeIncBasePriorityPrivilege	3164	chargeable.exe
Token: 33	3164	chargeable.exe
Token: SeIncBasePriorityPrivilege	3164	chargeable.exe
Token: 33	3164	chargeable.exe
Token: SeIncBasePriorityPrivilege	3164	chargeable.exe
Token: 33	3164	chargeable.exe
Token: SeIncBasePriorityPrivilege	3164	chargeable.exe
Token: 33	3164	chargeable.exe
Token: SeIncBasePriorityPrivilege	3164	chargeable.exe
Token: 33	3164	chargeable.exe
Token: SeIncBasePriorityPrivilege	3164	chargeable.exe
Token: 33	3164	chargeable.exe
Token: SeIncBasePriorityPrivilege	3164	chargeable.exe
Token: 33	3164	chargeable.exe
Token: SeIncBasePriorityPrivilege	3164	chargeable.exe
Token: 33	3164	chargeable.exe
Token: SeIncBasePriorityPrivilege	3164	chargeable.exe
Token: 33	3164	chargeable.exe
Token: SeIncBasePriorityPrivilege	3164	chargeable.exe
Token: 33	3164	chargeable.exe
Token: SeIncBasePriorityPrivilege	3164	chargeable.exe
Token: 33	3164	chargeable.exe
Token: SeIncBasePriorityPrivilege	3164	chargeable.exe
Token: 33	3164	chargeable.exe
Token: SeIncBasePriorityPrivilege	3164	chargeable.exe
Token: 33	3164	chargeable.exe
Token: SeIncBasePriorityPrivilege	3164	chargeable.exe
Token: 33	3164	chargeable.exe
Token: SeIncBasePriorityPrivilege	3164	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 4564	1624	a0d32b7a7755b312af45165c7c2814e0cca2992da18224f0776258b484fd3358.exe	84
PID 1624 wrote to memory of 4564	1624	a0d32b7a7755b312af45165c7c2814e0cca2992da18224f0776258b484fd3358.exe	84
PID 1624 wrote to memory of 4564	1624	a0d32b7a7755b312af45165c7c2814e0cca2992da18224f0776258b484fd3358.exe	84
PID 4564 wrote to memory of 3164	4564	chargeable.exe	85
PID 4564 wrote to memory of 3164	4564	chargeable.exe	85
PID 4564 wrote to memory of 3164	4564	chargeable.exe	85
PID 4564 wrote to memory of 3164	4564	chargeable.exe	85
PID 4564 wrote to memory of 3164	4564	chargeable.exe	85
PID 4564 wrote to memory of 3164	4564	chargeable.exe	85
PID 4564 wrote to memory of 3164	4564	chargeable.exe	85
PID 4564 wrote to memory of 3164	4564	chargeable.exe	85
PID 3164 wrote to memory of 4036	3164	chargeable.exe	86
PID 3164 wrote to memory of 4036	3164	chargeable.exe	86
PID 3164 wrote to memory of 4036	3164	chargeable.exe	86

C:\Users\Admin\AppData\Local\Temp\a0d32b7a7755b312af45165c7c2814e0cca2992da18224f0776258b484fd3358.exe
"C:\Users\Admin\AppData\Local\Temp\a0d32b7a7755b312af45165c7c2814e0cca2992da18224f0776258b484fd3358.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1624
- 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:4564
- - 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:3164
  - - 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:4036

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
115KB

MD5
65262c640ef025d022295e353b5c9d4f

SHA1
a4c057603bc4779ec97feb74c9d760b6f9868515

SHA256
06ae0db84c9db89bc5fa8983b972e73acd0198fe70e15c1617f11c1823e55b82

SHA512
5429b2ce038122831986b35aa339e02862fc53209106589a85ce5fa6f57609a42da611f3a34a835ed51a7bf0e27fd48ab7dcd4d84f4465b68fa685b69714a3e7

Download Submit
memory/1624-1-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/1624-2-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/1624-0-0x0000000074A22000-0x0000000074A23000-memory.dmp

Filesize
4KB

Download
memory/1624-17-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/3164-24-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/3164-20-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3164-27-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/3164-25-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/3164-28-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/4564-19-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/4564-18-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/4564-26-0x0000000074A20000-0x0000000074FD1000-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