njrat | 3fae182c31718a026d9983e5b12512173ff88402192b0de12e457855dde1f7e5

General

Target

3fae182c31718a026d9983e5b12512173ff88402192b0de12e457855dde1f7e5N.exe
Size

114KB
MD5

94829de86217417809ef4fc2d1c57f30
SHA1

c549cb4ae63e691cdb47cba6f9771a955e869f99
SHA256

3fae182c31718a026d9983e5b12512173ff88402192b0de12e457855dde1f7e5
SHA512

7dbdf089fd459edaf0a7974423e8cc63448c7322cc98a9bf4592aa167b8374cf51b140e2d3cb6fc159fed7d279eb6327d1952331958337703ae000ba219d140e
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73Ro:w5eznsjsguGDFqGx8egoxmO3rRo

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
4136	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:

3fae182c31718a026d9983e5b12512173ff88402192b0de12e457855dde1f7e5N.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	3fae182c31718a026d9983e5b12512173ff88402192b0de12e457855dde1f7e5N.exe

Executes dropped EXE 3 IoCs

Processes:

chargeable.exechargeable.exechargeable.exe

pid	Process
2924	chargeable.exe
2100	chargeable.exe
4720	chargeable.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3fae182c31718a026d9983e5b12512173ff88402192b0de12e457855dde1f7e5N.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"	3fae182c31718a026d9983e5b12512173ff88402192b0de12e457855dde1f7e5N.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\\3fae182c31718a026d9983e5b12512173ff88402192b0de12e457855dde1f7e5N.exe"	3fae182c31718a026d9983e5b12512173ff88402192b0de12e457855dde1f7e5N.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

chargeable.exe

description	pid	Process	procid_target
PID 2924 set thread context of 2100	2924	chargeable.exe	99
PID 2924 set thread context of 4720	2924	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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
3720	4720	WerFault.exe	98

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:

3fae182c31718a026d9983e5b12512173ff88402192b0de12e457855dde1f7e5N.exechargeable.exechargeable.exenetsh.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3fae182c31718a026d9983e5b12512173ff88402192b0de12e457855dde1f7e5N.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

Processes:

chargeable.exe

description	pid	Process
Token: SeDebugPrivilege	2100	chargeable.exe
Token: 33	2100	chargeable.exe
Token: SeIncBasePriorityPrivilege	2100	chargeable.exe
Token: 33	2100	chargeable.exe
Token: SeIncBasePriorityPrivilege	2100	chargeable.exe
Token: 33	2100	chargeable.exe
Token: SeIncBasePriorityPrivilege	2100	chargeable.exe
Token: 33	2100	chargeable.exe
Token: SeIncBasePriorityPrivilege	2100	chargeable.exe
Token: 33	2100	chargeable.exe
Token: SeIncBasePriorityPrivilege	2100	chargeable.exe
Token: 33	2100	chargeable.exe
Token: SeIncBasePriorityPrivilege	2100	chargeable.exe
Token: 33	2100	chargeable.exe
Token: SeIncBasePriorityPrivilege	2100	chargeable.exe
Token: 33	2100	chargeable.exe
Token: SeIncBasePriorityPrivilege	2100	chargeable.exe
Token: 33	2100	chargeable.exe
Token: SeIncBasePriorityPrivilege	2100	chargeable.exe
Token: 33	2100	chargeable.exe
Token: SeIncBasePriorityPrivilege	2100	chargeable.exe
Token: 33	2100	chargeable.exe
Token: SeIncBasePriorityPrivilege	2100	chargeable.exe
Token: 33	2100	chargeable.exe
Token: SeIncBasePriorityPrivilege	2100	chargeable.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

3fae182c31718a026d9983e5b12512173ff88402192b0de12e457855dde1f7e5N.exechargeable.exechargeable.exe

description	pid	Process	procid_target
PID 1172 wrote to memory of 2924	1172	3fae182c31718a026d9983e5b12512173ff88402192b0de12e457855dde1f7e5N.exe	93
PID 1172 wrote to memory of 2924	1172	3fae182c31718a026d9983e5b12512173ff88402192b0de12e457855dde1f7e5N.exe	93
PID 1172 wrote to memory of 2924	1172	3fae182c31718a026d9983e5b12512173ff88402192b0de12e457855dde1f7e5N.exe	93
PID 2924 wrote to memory of 4720	2924	chargeable.exe	98
PID 2924 wrote to memory of 4720	2924	chargeable.exe	98
PID 2924 wrote to memory of 4720	2924	chargeable.exe	98
PID 2924 wrote to memory of 2100	2924	chargeable.exe	99
PID 2924 wrote to memory of 2100	2924	chargeable.exe	99
PID 2924 wrote to memory of 2100	2924	chargeable.exe	99
PID 2924 wrote to memory of 2100	2924	chargeable.exe	99
PID 2924 wrote to memory of 2100	2924	chargeable.exe	99
PID 2924 wrote to memory of 2100	2924	chargeable.exe	99
PID 2924 wrote to memory of 2100	2924	chargeable.exe	99
PID 2924 wrote to memory of 2100	2924	chargeable.exe	99
PID 2924 wrote to memory of 4720	2924	chargeable.exe	98
PID 2924 wrote to memory of 4720	2924	chargeable.exe	98
PID 2924 wrote to memory of 4720	2924	chargeable.exe	98
PID 2924 wrote to memory of 4720	2924	chargeable.exe	98
PID 2924 wrote to memory of 4720	2924	chargeable.exe	98
PID 2100 wrote to memory of 4136	2100	chargeable.exe	104
PID 2100 wrote to memory of 4136	2100	chargeable.exe	104
PID 2100 wrote to memory of 4136	2100	chargeable.exe	104

C:\Users\Admin\AppData\Local\Temp\3fae182c31718a026d9983e5b12512173ff88402192b0de12e457855dde1f7e5N.exe
"C:\Users\Admin\AppData\Local\Temp\3fae182c31718a026d9983e5b12512173ff88402192b0de12e457855dde1f7e5N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1172
- 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:2924
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:4720
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4720 -s 80
      4⤵
      Program crash
      PID:3720
- - 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:2100
  - - 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:4136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4720 -ip 4720
1⤵
PID:2180

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
e57034119c6613d49953077a18bde01e

SHA1
ff8daed5738cac1c60f69dd88fa98363c7c1f403

SHA256
d2feb793d8ee7300386b97371d2629cbdbabfd3734ada2f281f81773f1abe69f

SHA512
6a46a1f38c6b215be4a8ddda1dc4bd99e0991ae56b7e31f2c492a3ef5cf365419386181ab61cb3129fad637e40c0a90d650cc74ed36c1ce6f72868afe6851f41

Download Submit
memory/1172-1-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/1172-2-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/1172-6-0x0000000075152000-0x0000000075153000-memory.dmp

Filesize
4KB

Download
memory/1172-7-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/1172-19-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/1172-20-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/1172-0-0x0000000075152000-0x0000000075153000-memory.dmp

Filesize
4KB

Download
memory/2100-29-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/2100-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2100-30-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/2100-32-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/2100-33-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/2924-22-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/2924-21-0x0000000075150000-0x0000000075701000-memory.dmp

Filesize
5.7MB

Download
memory/2924-31-0x0000000075150000-0x0000000075701000-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