njrat | 81c14b87edf38378b76af207724449cf77f14d71004a3848c0f859749baa2359

General

Target

81c14b87edf38378b76af207724449cf77f14d71004a3848c0f859749baa2359N.exe
Size

113KB
MD5

e861ff7cad7d40a53443e92985ae5cc0
SHA1

76024e8e8e87eb879f5daa79be2e1512c9e30769
SHA256

81c14b87edf38378b76af207724449cf77f14d71004a3848c0f859749baa2359
SHA512

e15b361cb916a80416249dc2c21696d58223615cd73521988d2d0be1cc232194c21209f83a84d82762d429462b2545057babd070d9c580f87fadc49ea0fe8b22
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73RQ:w5eznsjsguGDFqGx8egoxmO3rRQ

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
2864	netsh.exe

Executes dropped EXE 3 IoCs

Processes:

chargeable.exechargeable.exechargeable.exe

pid	Process
2508	chargeable.exe
2832	chargeable.exe
2816	chargeable.exe

Loads dropped DLL 2 IoCs

Processes:

81c14b87edf38378b76af207724449cf77f14d71004a3848c0f859749baa2359N.exe

pid	Process
2368	81c14b87edf38378b76af207724449cf77f14d71004a3848c0f859749baa2359N.exe
2368	81c14b87edf38378b76af207724449cf77f14d71004a3848c0f859749baa2359N.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

81c14b87edf38378b76af207724449cf77f14d71004a3848c0f859749baa2359N.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	81c14b87edf38378b76af207724449cf77f14d71004a3848c0f859749baa2359N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\81c14b87edf38378b76af207724449cf77f14d71004a3848c0f859749baa2359N.exe"	81c14b87edf38378b76af207724449cf77f14d71004a3848c0f859749baa2359N.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

chargeable.exe

description	pid	Process	procid_target
PID 2508 set thread context of 2832	2508	chargeable.exe	33
PID 2508 set thread context of 2816	2508	chargeable.exe	32

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:

81c14b87edf38378b76af207724449cf77f14d71004a3848c0f859749baa2359N.exechargeable.exechargeable.exenetsh.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	81c14b87edf38378b76af207724449cf77f14d71004a3848c0f859749baa2359N.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	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe
Token: 33	2832	chargeable.exe
Token: SeIncBasePriorityPrivilege	2832	chargeable.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

81c14b87edf38378b76af207724449cf77f14d71004a3848c0f859749baa2359N.exechargeable.exechargeable.exe

description	pid	Process	procid_target
PID 2368 wrote to memory of 2508	2368	81c14b87edf38378b76af207724449cf77f14d71004a3848c0f859749baa2359N.exe	31
PID 2368 wrote to memory of 2508	2368	81c14b87edf38378b76af207724449cf77f14d71004a3848c0f859749baa2359N.exe	31
PID 2368 wrote to memory of 2508	2368	81c14b87edf38378b76af207724449cf77f14d71004a3848c0f859749baa2359N.exe	31
PID 2368 wrote to memory of 2508	2368	81c14b87edf38378b76af207724449cf77f14d71004a3848c0f859749baa2359N.exe	31
PID 2508 wrote to memory of 2816	2508	chargeable.exe	32
PID 2508 wrote to memory of 2816	2508	chargeable.exe	32
PID 2508 wrote to memory of 2816	2508	chargeable.exe	32
PID 2508 wrote to memory of 2816	2508	chargeable.exe	32
PID 2508 wrote to memory of 2832	2508	chargeable.exe	33
PID 2508 wrote to memory of 2832	2508	chargeable.exe	33
PID 2508 wrote to memory of 2832	2508	chargeable.exe	33
PID 2508 wrote to memory of 2832	2508	chargeable.exe	33
PID 2508 wrote to memory of 2832	2508	chargeable.exe	33
PID 2508 wrote to memory of 2832	2508	chargeable.exe	33
PID 2508 wrote to memory of 2832	2508	chargeable.exe	33
PID 2508 wrote to memory of 2832	2508	chargeable.exe	33
PID 2508 wrote to memory of 2832	2508	chargeable.exe	33
PID 2508 wrote to memory of 2816	2508	chargeable.exe	32
PID 2508 wrote to memory of 2816	2508	chargeable.exe	32
PID 2508 wrote to memory of 2816	2508	chargeable.exe	32
PID 2508 wrote to memory of 2816	2508	chargeable.exe	32
PID 2508 wrote to memory of 2816	2508	chargeable.exe	32
PID 2832 wrote to memory of 2864	2832	chargeable.exe	34
PID 2832 wrote to memory of 2864	2832	chargeable.exe	34
PID 2832 wrote to memory of 2864	2832	chargeable.exe	34
PID 2832 wrote to memory of 2864	2832	chargeable.exe	34

C:\Users\Admin\AppData\Local\Temp\81c14b87edf38378b76af207724449cf77f14d71004a3848c0f859749baa2359N.exe
"C:\Users\Admin\AppData\Local\Temp\81c14b87edf38378b76af207724449cf77f14d71004a3848c0f859749baa2359N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2368
- 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:2508
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:2816
- - 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:2832
  - - 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:2864

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

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

Filesize
113KB

MD5
a93bfdc5b29088dcdd19dac4cb2326d9

SHA1
e31fd1731f1516db5b94a8f45848f556cec37b4c

SHA256
7fee013a93dbfc60dfcb0048b53173fea72b8e66a16fe784b42b7fc32f391161

SHA512
5b7f5753b2ce596823b423d6f7c20185dc666d4153833eb068747aea67340b6cdf9af2582bd25cf8dd874b624f2ac3b0f83ae10a15ff934bc8bf231547091706

Download Submit
memory/2368-0-0x0000000074731000-0x0000000074732000-memory.dmp

Filesize
4KB

Download
memory/2368-1-0x0000000074730000-0x0000000074CDB000-memory.dmp

Filesize
5.7MB

Download
memory/2368-2-0x0000000074730000-0x0000000074CDB000-memory.dmp

Filesize
5.7MB

Download
memory/2368-6-0x0000000074730000-0x0000000074CDB000-memory.dmp

Filesize
5.7MB

Download
memory/2368-17-0x0000000074730000-0x0000000074CDB000-memory.dmp

Filesize
5.7MB

Download
memory/2508-16-0x0000000074730000-0x0000000074CDB000-memory.dmp

Filesize
5.7MB

Download
memory/2508-24-0x0000000074730000-0x0000000074CDB000-memory.dmp

Filesize
5.7MB

Download
memory/2508-27-0x0000000074730000-0x0000000074CDB000-memory.dmp

Filesize
5.7MB

Download
memory/2832-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2832-21-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2832-18-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads