njrat | a4536d89825433a01f2828cb9bef202df0caf3669efc55ac7fa6370b3d87411b

General

Target

a4536d89825433a01f2828cb9bef202df0caf3669efc55ac7fa6370b3d87411b.exe
Size

117KB
MD5

3f67a85bc93052e8818a0d67f14f8109
SHA1

6ef0bd5d82a5af43964626c7feccea2aaadd60ec
SHA256

a4536d89825433a01f2828cb9bef202df0caf3669efc55ac7fa6370b3d87411b
SHA512

625676d2e804876d25c04718bd8f22ad15d4e7d16175b787c3e6ff102f690551f198f5e143ec5e80c7689eacf6b0b750c8e7bdad93fa07c9ee6498293c5398a1
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMIYAJ:P5eznsjsguGDFqGZ2rIY8

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
704	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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	a4536d89825433a01f2828cb9bef202df0caf3669efc55ac7fa6370b3d87411b.exe

Executes dropped EXE 2 IoCs

pid	Process
3972	chargeable.exe
2920	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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	a4536d89825433a01f2828cb9bef202df0caf3669efc55ac7fa6370b3d87411b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a4536d89825433a01f2828cb9bef202df0caf3669efc55ac7fa6370b3d87411b.exe"	a4536d89825433a01f2828cb9bef202df0caf3669efc55ac7fa6370b3d87411b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3972 set thread context of 2920	3972	chargeable.exe	94

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	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a4536d89825433a01f2828cb9bef202df0caf3669efc55ac7fa6370b3d87411b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2920	chargeable.exe
Token: 33	2920	chargeable.exe
Token: SeIncBasePriorityPrivilege	2920	chargeable.exe
Token: 33	2920	chargeable.exe
Token: SeIncBasePriorityPrivilege	2920	chargeable.exe
Token: 33	2920	chargeable.exe
Token: SeIncBasePriorityPrivilege	2920	chargeable.exe
Token: 33	2920	chargeable.exe
Token: SeIncBasePriorityPrivilege	2920	chargeable.exe
Token: 33	2920	chargeable.exe
Token: SeIncBasePriorityPrivilege	2920	chargeable.exe
Token: 33	2920	chargeable.exe
Token: SeIncBasePriorityPrivilege	2920	chargeable.exe
Token: 33	2920	chargeable.exe
Token: SeIncBasePriorityPrivilege	2920	chargeable.exe
Token: 33	2920	chargeable.exe
Token: SeIncBasePriorityPrivilege	2920	chargeable.exe
Token: 33	2920	chargeable.exe
Token: SeIncBasePriorityPrivilege	2920	chargeable.exe
Token: 33	2920	chargeable.exe
Token: SeIncBasePriorityPrivilege	2920	chargeable.exe
Token: 33	2920	chargeable.exe
Token: SeIncBasePriorityPrivilege	2920	chargeable.exe
Token: 33	2920	chargeable.exe
Token: SeIncBasePriorityPrivilege	2920	chargeable.exe
Token: 33	2920	chargeable.exe
Token: SeIncBasePriorityPrivilege	2920	chargeable.exe
Token: 33	2920	chargeable.exe
Token: SeIncBasePriorityPrivilege	2920	chargeable.exe
Token: 33	2920	chargeable.exe
Token: SeIncBasePriorityPrivilege	2920	chargeable.exe
Token: 33	2920	chargeable.exe
Token: SeIncBasePriorityPrivilege	2920	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 3972	3012	a4536d89825433a01f2828cb9bef202df0caf3669efc55ac7fa6370b3d87411b.exe	93
PID 3012 wrote to memory of 3972	3012	a4536d89825433a01f2828cb9bef202df0caf3669efc55ac7fa6370b3d87411b.exe	93
PID 3012 wrote to memory of 3972	3012	a4536d89825433a01f2828cb9bef202df0caf3669efc55ac7fa6370b3d87411b.exe	93
PID 3972 wrote to memory of 2920	3972	chargeable.exe	94
PID 3972 wrote to memory of 2920	3972	chargeable.exe	94
PID 3972 wrote to memory of 2920	3972	chargeable.exe	94
PID 3972 wrote to memory of 2920	3972	chargeable.exe	94
PID 3972 wrote to memory of 2920	3972	chargeable.exe	94
PID 3972 wrote to memory of 2920	3972	chargeable.exe	94
PID 3972 wrote to memory of 2920	3972	chargeable.exe	94
PID 3972 wrote to memory of 2920	3972	chargeable.exe	94
PID 2920 wrote to memory of 704	2920	chargeable.exe	95
PID 2920 wrote to memory of 704	2920	chargeable.exe	95
PID 2920 wrote to memory of 704	2920	chargeable.exe	95

C:\Users\Admin\AppData\Local\Temp\a4536d89825433a01f2828cb9bef202df0caf3669efc55ac7fa6370b3d87411b.exe
"C:\Users\Admin\AppData\Local\Temp\a4536d89825433a01f2828cb9bef202df0caf3669efc55ac7fa6370b3d87411b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3012
- 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:3972
- - 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:2920
  - - 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:704

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
788a765bfc27d6a9611305aa71410a4a

SHA1
1948965ec8d80fc25768992534f99d4ea3bb573c

SHA256
1fc63efc177aba292686493d692b1aa399875b10b276e9165513a44d7217563c

SHA512
376ae4ab943a7da874a80d2b3bb20d342c247d95a0dfd3a91737ca0882413b45aa2b8bb3875dcb3160334beeb17f7fa75f7b889021db0cf79a5f71feb3fde046

Download Submit
memory/2920-30-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/2920-29-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/2920-27-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/2920-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3012-7-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/3012-19-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/3012-20-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/3012-0-0x0000000075482000-0x0000000075483000-memory.dmp

Filesize
4KB

Download
memory/3012-6-0x0000000075482000-0x0000000075483000-memory.dmp

Filesize
4KB

Download
memory/3012-2-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/3012-1-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/3972-22-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/3972-21-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/3972-23-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/3972-28-0x0000000075480000-0x0000000075A31000-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