njrat | a375df952b34f757d9b4315b18ff5de0768e3ee4b788530db7855e263fdc93f6

General

Target

a375df952b34f757d9b4315b18ff5de0768e3ee4b788530db7855e263fdc93f6N.exe
Size

102KB
MD5

cc1cf6f32f8923208e5fd9aec0132c30
SHA1

47e161e2986e28a52ac2c92f184198a38016e838
SHA256

a375df952b34f757d9b4315b18ff5de0768e3ee4b788530db7855e263fdc93f6
SHA512

4e1b8bdf308d39f8c4453b898af568faf00b727e585a39ee9bfafeaeaf7b383285cc3c0a1bd8ff6350976c8eb93263e3ef65e89c8fa8f5ae3cb7a71eed0e441c
SSDEEP

3072:0C3MFMCcB/tldVNFa1Vt05DHlFi2h7d8vCCYvy:0C86CcB/tldVNFax+Di2hxIdC

Score

10^/10

njrat douda evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

douda

C2

love2014.ddns.net:5584

Mutex

77ee8a49b5a8f18159dc862b4f0bcfb0

Attributes

reg_key
77ee8a49b5a8f18159dc862b4f0bcfb0
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
1884	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:

a375df952b34f757d9b4315b18ff5de0768e3ee4b788530db7855e263fdc93f6N.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	a375df952b34f757d9b4315b18ff5de0768e3ee4b788530db7855e263fdc93f6N.exe

Drops startup file 2 IoCs

Processes:

LMS.exe

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\77ee8a49b5a8f18159dc862b4f0bcfb0.exe	LMS.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\77ee8a49b5a8f18159dc862b4f0bcfb0.exe	LMS.exe

Executes dropped EXE 1 IoCs

Processes:

LMS.exe

pid	Process
2268	LMS.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

LMS.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\77ee8a49b5a8f18159dc862b4f0bcfb0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\LMS.exe\" .."	LMS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\77ee8a49b5a8f18159dc862b4f0bcfb0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\LMS.exe\" .."	LMS.exe

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\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

Processes:

a375df952b34f757d9b4315b18ff5de0768e3ee4b788530db7855e263fdc93f6N.exeLMS.exe

description	pid	Process
Token: SeDebugPrivilege	2708	a375df952b34f757d9b4315b18ff5de0768e3ee4b788530db7855e263fdc93f6N.exe
Token: SeDebugPrivilege	2268	LMS.exe
Token: 33	2268	LMS.exe
Token: SeIncBasePriorityPrivilege	2268	LMS.exe
Token: 33	2268	LMS.exe
Token: SeIncBasePriorityPrivilege	2268	LMS.exe
Token: 33	2268	LMS.exe
Token: SeIncBasePriorityPrivilege	2268	LMS.exe
Token: 33	2268	LMS.exe
Token: SeIncBasePriorityPrivilege	2268	LMS.exe
Token: 33	2268	LMS.exe
Token: SeIncBasePriorityPrivilege	2268	LMS.exe
Token: 33	2268	LMS.exe
Token: SeIncBasePriorityPrivilege	2268	LMS.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

a375df952b34f757d9b4315b18ff5de0768e3ee4b788530db7855e263fdc93f6N.exeLMS.exe

description	pid	Process	procid_target
PID 2708 wrote to memory of 2268	2708	a375df952b34f757d9b4315b18ff5de0768e3ee4b788530db7855e263fdc93f6N.exe	91
PID 2708 wrote to memory of 2268	2708	a375df952b34f757d9b4315b18ff5de0768e3ee4b788530db7855e263fdc93f6N.exe	91
PID 2268 wrote to memory of 1884	2268	LMS.exe	92
PID 2268 wrote to memory of 1884	2268	LMS.exe	92

C:\Users\Admin\AppData\Local\Temp\a375df952b34f757d9b4315b18ff5de0768e3ee4b788530db7855e263fdc93f6N.exe
"C:\Users\Admin\AppData\Local\Temp\a375df952b34f757d9b4315b18ff5de0768e3ee4b788530db7855e263fdc93f6N.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Users\Admin\AppData\Roaming\LMS.exe
  "C:\Users\Admin\AppData\Roaming\LMS.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2268
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\LMS.exe" "LMS.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:1884

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\LMS.exe

Filesize
102KB

MD5
cc1cf6f32f8923208e5fd9aec0132c30

SHA1
47e161e2986e28a52ac2c92f184198a38016e838

SHA256
a375df952b34f757d9b4315b18ff5de0768e3ee4b788530db7855e263fdc93f6

SHA512
4e1b8bdf308d39f8c4453b898af568faf00b727e585a39ee9bfafeaeaf7b383285cc3c0a1bd8ff6350976c8eb93263e3ef65e89c8fa8f5ae3cb7a71eed0e441c

Download Submit
memory/2268-21-0x00007FFA6AED0000-0x00007FFA6B0C5000-memory.dmp

Filesize
2.0MB

Download
memory/2268-27-0x00007FFA6AED0000-0x00007FFA6B0C5000-memory.dmp

Filesize
2.0MB

Download
memory/2268-26-0x000000001B330000-0x000000001B338000-memory.dmp

Filesize
32KB

Download
memory/2268-25-0x00007FFA6AED0000-0x00007FFA6B0C5000-memory.dmp

Filesize
2.0MB

Download
memory/2268-24-0x000000001C1E0000-0x000000001C27C000-memory.dmp

Filesize
624KB

Download
memory/2268-22-0x00007FFA6AED0000-0x00007FFA6B0C5000-memory.dmp

Filesize
2.0MB

Download
memory/2268-20-0x00007FFA6AED0000-0x00007FFA6B0C5000-memory.dmp

Filesize
2.0MB

Download
memory/2708-4-0x00007FFA6AED0000-0x00007FFA6B0C5000-memory.dmp

Filesize
2.0MB

Download
memory/2708-19-0x00007FFA6AED0000-0x00007FFA6B0C5000-memory.dmp

Filesize
2.0MB

Download
memory/2708-6-0x000000001C890000-0x000000001CD5E000-memory.dmp

Filesize
4.8MB

Download
memory/2708-5-0x0000000001010000-0x000000000101C000-memory.dmp

Filesize
48KB

Download
memory/2708-0-0x00007FFA6AED0000-0x00007FFA6B0C5000-memory.dmp

Filesize
2.0MB

Download
memory/2708-3-0x000000001B710000-0x000000001B7B6000-memory.dmp

Filesize
664KB

Download
memory/2708-1-0x00007FFA6AED0000-0x00007FFA6B0C5000-memory.dmp

Filesize
2.0MB

Download
memory/2708-2-0x00007FFA6AED0000-0x00007FFA6B0C5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads