njrat | b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c

General

Target

b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe
Size

114KB
MD5

51fcb0e1145f66264117c2ee3acb717c
SHA1

6e06473649aaa011538582788644181849dc9bc2
SHA256

b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c
SHA512

ec3e189e63d873a12807b573e091b009f5b706b1bbe55ad82760815cbc01c08c874986d49fa97ba9ec876987a17f00619159774f6a3d7ea432f4e22a784d69b8
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMdeRa:P5eznsjsguGDFqGZ2rca

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

Processes:

netsh.exe

pid	Process
1092	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

Processes:

b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe

Executes dropped EXE 2 IoCs

Processes:

chargeable.exechargeable.exe

pid	Process
1408	chargeable.exe
4520	chargeable.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe"	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

chargeable.exe

description	pid	Process	procid_target
PID 1408 set thread context of 4520	1408	chargeable.exe	98

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

Processes:

netsh.exe

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

Processes:

netsh.exeb7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exechargeable.exechargeable.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.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

Processes:

chargeable.exe

description	pid	Process
Token: SeDebugPrivilege	4520	chargeable.exe
Token: 33	4520	chargeable.exe
Token: SeIncBasePriorityPrivilege	4520	chargeable.exe
Token: 33	4520	chargeable.exe
Token: SeIncBasePriorityPrivilege	4520	chargeable.exe
Token: 33	4520	chargeable.exe
Token: SeIncBasePriorityPrivilege	4520	chargeable.exe
Token: 33	4520	chargeable.exe
Token: SeIncBasePriorityPrivilege	4520	chargeable.exe
Token: 33	4520	chargeable.exe
Token: SeIncBasePriorityPrivilege	4520	chargeable.exe
Token: 33	4520	chargeable.exe
Token: SeIncBasePriorityPrivilege	4520	chargeable.exe
Token: 33	4520	chargeable.exe
Token: SeIncBasePriorityPrivilege	4520	chargeable.exe
Token: 33	4520	chargeable.exe
Token: SeIncBasePriorityPrivilege	4520	chargeable.exe
Token: 33	4520	chargeable.exe
Token: SeIncBasePriorityPrivilege	4520	chargeable.exe
Token: 33	4520	chargeable.exe
Token: SeIncBasePriorityPrivilege	4520	chargeable.exe
Token: 33	4520	chargeable.exe
Token: SeIncBasePriorityPrivilege	4520	chargeable.exe
Token: 33	4520	chargeable.exe
Token: SeIncBasePriorityPrivilege	4520	chargeable.exe
Token: 33	4520	chargeable.exe
Token: SeIncBasePriorityPrivilege	4520	chargeable.exe
Token: 33	4520	chargeable.exe
Token: SeIncBasePriorityPrivilege	4520	chargeable.exe
Token: 33	4520	chargeable.exe
Token: SeIncBasePriorityPrivilege	4520	chargeable.exe
Token: 33	4520	chargeable.exe
Token: SeIncBasePriorityPrivilege	4520	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exechargeable.exechargeable.exe

description	pid	Process	procid_target
PID 3752 wrote to memory of 1408	3752	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe	94
PID 3752 wrote to memory of 1408	3752	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe	94
PID 3752 wrote to memory of 1408	3752	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe	94
PID 1408 wrote to memory of 4520	1408	chargeable.exe	98
PID 1408 wrote to memory of 4520	1408	chargeable.exe	98
PID 1408 wrote to memory of 4520	1408	chargeable.exe	98
PID 1408 wrote to memory of 4520	1408	chargeable.exe	98
PID 1408 wrote to memory of 4520	1408	chargeable.exe	98
PID 1408 wrote to memory of 4520	1408	chargeable.exe	98
PID 1408 wrote to memory of 4520	1408	chargeable.exe	98
PID 1408 wrote to memory of 4520	1408	chargeable.exe	98
PID 4520 wrote to memory of 1092	4520	chargeable.exe	99
PID 4520 wrote to memory of 1092	4520	chargeable.exe	99
PID 4520 wrote to memory of 1092	4520	chargeable.exe	99

C:\Users\Admin\AppData\Local\Temp\b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe
"C:\Users\Admin\AppData\Local\Temp\b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3752
- 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:1408
- - 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:4520
  - - 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:1092

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
c28d338efc19e8aca2dd7517df5217b3

SHA1
eee17beee5b2acb886d0d5b2e29b5f46c8d1d1f8

SHA256
15b51fe208ae491664335496d07635dd9f2fe5a67599ab3583061f21daec5c32

SHA512
373dc2330d21fbdf2438a844e3b758e52c048746c9a4897caafa98aeaac3c0c3c3ddfe8966f5298932bacaf10626ed7c8bfc568e09fff9ed7e26105c33a719ed

Download Submit
memory/1408-21-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/1408-22-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/1408-29-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/1408-23-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/3752-20-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/3752-19-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/3752-0-0x0000000074F42000-0x0000000074F43000-memory.dmp

Filesize
4KB

Download
memory/3752-6-0x0000000074F42000-0x0000000074F43000-memory.dmp

Filesize
4KB

Download
memory/3752-2-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/3752-1-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/3752-7-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/4520-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4520-28-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/4520-31-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/4520-30-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/4520-32-0x0000000074F40000-0x00000000754F1000-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