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

pid	Process
2552	netsh.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
3012	LMS.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-1-5-21-2039016743-699959520-214465309-1000\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

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

description	pid	Process
Token: SeDebugPrivilege	2636	a375df952b34f757d9b4315b18ff5de0768e3ee4b788530db7855e263fdc93f6N.exe
Token: SeDebugPrivilege	3012	LMS.exe
Token: 33	3012	LMS.exe
Token: SeIncBasePriorityPrivilege	3012	LMS.exe
Token: 33	3012	LMS.exe
Token: SeIncBasePriorityPrivilege	3012	LMS.exe
Token: 33	3012	LMS.exe
Token: SeIncBasePriorityPrivilege	3012	LMS.exe
Token: 33	3012	LMS.exe
Token: SeIncBasePriorityPrivilege	3012	LMS.exe
Token: 33	3012	LMS.exe
Token: SeIncBasePriorityPrivilege	3012	LMS.exe
Token: 33	3012	LMS.exe
Token: SeIncBasePriorityPrivilege	3012	LMS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 3012	2636	a375df952b34f757d9b4315b18ff5de0768e3ee4b788530db7855e263fdc93f6N.exe	31
PID 2636 wrote to memory of 3012	2636	a375df952b34f757d9b4315b18ff5de0768e3ee4b788530db7855e263fdc93f6N.exe	31
PID 2636 wrote to memory of 3012	2636	a375df952b34f757d9b4315b18ff5de0768e3ee4b788530db7855e263fdc93f6N.exe	31
PID 3012 wrote to memory of 2552	3012	LMS.exe	32
PID 3012 wrote to memory of 2552	3012	LMS.exe	32
PID 3012 wrote to memory of 2552	3012	LMS.exe	32

C:\Users\Admin\AppData\Local\Temp\a375df952b34f757d9b4315b18ff5de0768e3ee4b788530db7855e263fdc93f6N.exe
"C:\Users\Admin\AppData\Local\Temp\a375df952b34f757d9b4315b18ff5de0768e3ee4b788530db7855e263fdc93f6N.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2636
- 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:3012
- - 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:2552

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

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/2636-3-0x000007FEF5FF0000-0x000007FEF698D000-memory.dmp

Filesize
9.6MB

Download
memory/2636-2-0x000007FEF5FF0000-0x000007FEF698D000-memory.dmp

Filesize
9.6MB

Download
memory/2636-0-0x000007FEF62AE000-0x000007FEF62AF000-memory.dmp

Filesize
4KB

Download
memory/2636-4-0x000007FEF62AE000-0x000007FEF62AF000-memory.dmp

Filesize
4KB

Download
memory/2636-5-0x0000000000560000-0x000000000056C000-memory.dmp

Filesize
48KB

Download
memory/2636-1-0x000007FEF5FF0000-0x000007FEF698D000-memory.dmp

Filesize
9.6MB

Download
memory/2636-13-0x000007FEF5FF0000-0x000007FEF698D000-memory.dmp

Filesize
9.6MB

Download
memory/3012-11-0x000007FEF5FF0000-0x000007FEF698D000-memory.dmp

Filesize
9.6MB

Download
memory/3012-12-0x000007FEF5FF0000-0x000007FEF698D000-memory.dmp

Filesize
9.6MB

Download
memory/3012-14-0x000007FEF5FF0000-0x000007FEF698D000-memory.dmp

Filesize
9.6MB

Download
memory/3012-15-0x000007FEF5FF0000-0x000007FEF698D000-memory.dmp

Filesize
9.6MB

Download
memory/3012-17-0x000007FEF5FF0000-0x000007FEF698D000-memory.dmp

Filesize
9.6MB

Download
memory/3012-18-0x000007FEF5FF0000-0x000007FEF698D000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads