njrat | f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34d

General

Target

f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.exe
Size

113KB
MD5

5f802eb02cdba2f6bca9258d93171520
SHA1

392735ffdc077020d45682e928bfb351214c2f66
SHA256

f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34d
SHA512

0ddb99572ecbedffbf74ed6b9ea8c85b33113b5b16ef0f5d14dcbca67f14ae0b363c85086d5c4041225f6b337ac6dc43fff3464a021396bac1d259be50c9532e
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73vrn:w5eznsjsguGDFqGx8egoxmO3rvj

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

pid	Process
2308	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2688	chargeable.exe
2792	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
3020	f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.exe
3020	f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.exe"	f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2688 set thread context of 2792	2688	chargeable.exe	31

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	f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.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	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe
Token: 33	2792	chargeable.exe
Token: SeIncBasePriorityPrivilege	2792	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2688	3020	f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.exe	30
PID 3020 wrote to memory of 2688	3020	f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.exe	30
PID 3020 wrote to memory of 2688	3020	f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.exe	30
PID 3020 wrote to memory of 2688	3020	f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.exe	30
PID 2688 wrote to memory of 2792	2688	chargeable.exe	31
PID 2688 wrote to memory of 2792	2688	chargeable.exe	31
PID 2688 wrote to memory of 2792	2688	chargeable.exe	31
PID 2688 wrote to memory of 2792	2688	chargeable.exe	31
PID 2688 wrote to memory of 2792	2688	chargeable.exe	31
PID 2688 wrote to memory of 2792	2688	chargeable.exe	31
PID 2688 wrote to memory of 2792	2688	chargeable.exe	31
PID 2688 wrote to memory of 2792	2688	chargeable.exe	31
PID 2688 wrote to memory of 2792	2688	chargeable.exe	31
PID 2792 wrote to memory of 2308	2792	chargeable.exe	32
PID 2792 wrote to memory of 2308	2792	chargeable.exe	32
PID 2792 wrote to memory of 2308	2792	chargeable.exe	32
PID 2792 wrote to memory of 2308	2792	chargeable.exe	32

C:\Users\Admin\AppData\Local\Temp\f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.exe
"C:\Users\Admin\AppData\Local\Temp\f2ed2d3f31a52a07eea95932c6cd97cbf6a5c527622f51a139efe941243bc34dN.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3020
- 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:2688
- - 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:2792
  - - 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:2308

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

System Information Discovery

1

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

\Users\Admin\AppData\Roaming\confuse\chargeable.exe

Filesize
114KB

MD5
f2e93527db75fc7c6d06726e59cc9bb2

SHA1
0bb27735f531f5a24c36afb6f85f447cc4416cf8

SHA256
b7d7f1164512e2122d3d1f3edfcf32bbac2252083b6089c20d6ef3754b9e757f

SHA512
edad384d3f2c71bdeabe6ae90707dd2508d8dbd05efff8b752bbdda2b8f8c58686bedccfd1e0ac37f80c9844868fc5da3f76c240a3c675914306d2a58331576e

Download Submit
memory/2688-17-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/2688-16-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/2688-24-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/2688-25-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/2792-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2792-21-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2792-18-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3020-0-0x0000000074451000-0x0000000074452000-memory.dmp

Filesize
4KB

Download
memory/3020-1-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/3020-2-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/3020-15-0x0000000074450000-0x00000000749FB000-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