njrat | 2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4

General

Target

97d72efbb1f6fea3f158b136c330689d.exe
Size

67KB
MD5

97d72efbb1f6fea3f158b136c330689d
SHA1

43c884250ed032ced44d72d932518e831a34161d
SHA256

2ff91319fbcc02e9dd7d80e21f5f7f48e0ae24b99a1b26625d344ab4812f37c4
SHA512

a9937e30d19ebf33ebe4c20792f7499e79996f06b5e3bc6f28d506ba4440640ebc923d424184007f2f111c3706876c029f6d4e41d5ed144c2b8e666b32689596
SSDEEP

1536:uuKlhoxbyGiiKkTvTiCUU8b+a1fJ3l4fLU2cjdFZPvf9G95T8KCc4:NKOyGxKIiCV8aa1fJV4zMF54ra

Score

10^/10

njrat victim evasion trojan

Malware Config

Extracted

Family

njrat

Version

<- NjRAT 0.7d Horror Edition ->

Botnet

Victim

C2

0.tcp.eu.ngrok.io:18350

Mutex

f2d4732908d59805d830a49d36974ac0

Attributes

reg_key
f2d4732908d59805d830a49d36974ac0
splitter
Y262SUCZ4UJJ

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Stops running service(s) 3 TTPs
evasion

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489
Legitimate hosting services abused for malware hosting/C2 1 TTPs 7 IoCs

Web Service
T1102

Processes:

flow ioc

20 pastebin.com
21 pastebin.com
23 0.tcp.eu.ngrok.io
69 0.tcp.eu.ngrok.io
75 0.tcp.eu.ngrok.io
83 0.tcp.eu.ngrok.io
103 0.tcp.eu.ngrok.io
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

2352 sc.exe
1876 sc.exe
1668 sc.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

2508 powershell.exe
2508 powershell.exe

flow	ioc
20	pastebin.com
21	pastebin.com
23	0.tcp.eu.ngrok.io
69	0.tcp.eu.ngrok.io
75	0.tcp.eu.ngrok.io
83	0.tcp.eu.ngrok.io
103	0.tcp.eu.ngrok.io

pid	process
2352	sc.exe
1876	sc.exe
1668	sc.exe

pid	process
2508	powershell.exe
2508	powershell.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

Processes:

powershell.exe97d72efbb1f6fea3f158b136c330689d.exe

description	pid	process
Token: SeDebugPrivilege	2508	powershell.exe
Token: SeDebugPrivilege	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: 33	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: SeIncBasePriorityPrivilege	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: 33	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: SeIncBasePriorityPrivilege	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: 33	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: SeIncBasePriorityPrivilege	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: 33	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: SeIncBasePriorityPrivilege	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: 33	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: SeIncBasePriorityPrivilege	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: 33	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: SeIncBasePriorityPrivilege	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: 33	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: SeIncBasePriorityPrivilege	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: 33	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: SeIncBasePriorityPrivilege	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: 33	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: SeIncBasePriorityPrivilege	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: 33	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: SeIncBasePriorityPrivilege	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: 33	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: SeIncBasePriorityPrivilege	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: 33	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: SeIncBasePriorityPrivilege	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: 33	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: SeIncBasePriorityPrivilege	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: 33	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: SeIncBasePriorityPrivilege	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: 33	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: SeIncBasePriorityPrivilege	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: 33	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: SeIncBasePriorityPrivilege	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: 33	1640	97d72efbb1f6fea3f158b136c330689d.exe
Token: SeIncBasePriorityPrivilege	1640	97d72efbb1f6fea3f158b136c330689d.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

97d72efbb1f6fea3f158b136c330689d.execmd.execmd.execmd.execmd.exe

description	pid	process	target process
PID 1640 wrote to memory of 2492	1640	97d72efbb1f6fea3f158b136c330689d.exe	cmd.exe
PID 1640 wrote to memory of 2492	1640	97d72efbb1f6fea3f158b136c330689d.exe	cmd.exe
PID 2492 wrote to memory of 2508	2492	cmd.exe	powershell.exe
PID 2492 wrote to memory of 2508	2492	cmd.exe	powershell.exe
PID 1640 wrote to memory of 5016	1640	97d72efbb1f6fea3f158b136c330689d.exe	cmd.exe
PID 1640 wrote to memory of 5016	1640	97d72efbb1f6fea3f158b136c330689d.exe	cmd.exe
PID 5016 wrote to memory of 1668	5016	cmd.exe	sc.exe
PID 5016 wrote to memory of 1668	5016	cmd.exe	sc.exe
PID 1640 wrote to memory of 3812	1640	97d72efbb1f6fea3f158b136c330689d.exe	cmd.exe
PID 1640 wrote to memory of 3812	1640	97d72efbb1f6fea3f158b136c330689d.exe	cmd.exe
PID 3812 wrote to memory of 2352	3812	cmd.exe	sc.exe
PID 3812 wrote to memory of 2352	3812	cmd.exe	sc.exe
PID 1640 wrote to memory of 4560	1640	97d72efbb1f6fea3f158b136c330689d.exe	cmd.exe
PID 1640 wrote to memory of 4560	1640	97d72efbb1f6fea3f158b136c330689d.exe	cmd.exe
PID 4560 wrote to memory of 1876	4560	cmd.exe	sc.exe
PID 4560 wrote to memory of 1876	4560	cmd.exe	sc.exe

C:\Users\Admin\AppData\Local\Temp\97d72efbb1f6fea3f158b136c330689d.exe
"C:\Users\Admin\AppData\Local\Temp\97d72efbb1f6fea3f158b136c330689d.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1640

C:\Windows\SYSTEM32\cmd.exe
cmd /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
2⤵
- Suspicious use of WriteProcessMemory
PID:2492

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell Set-MpPreference -DisableRealtimeMonitoring $true
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2508

C:\Windows\SYSTEM32\cmd.exe
cmd /c sc query windefend
2⤵
- Suspicious use of WriteProcessMemory
PID:5016

C:\Windows\system32\sc.exe
sc query windefend
3⤵
- Launches sc.exe
PID:1668

C:\Windows\SYSTEM32\cmd.exe
cmd /c sc stop windefend
2⤵
- Suspicious use of WriteProcessMemory
PID:3812

C:\Windows\system32\sc.exe
sc stop windefend
3⤵
- Launches sc.exe
PID:2352

C:\Windows\SYSTEM32\cmd.exe
cmd /c sc delete windefend
2⤵
- Suspicious use of WriteProcessMemory
PID:4560

C:\Windows\system32\sc.exe
sc delete windefend
3⤵
- Launches sc.exe
PID:1876

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1

T1102

Impact

Service Stop

1

T1489

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u5hgckhx.y3w.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1640-4-0x000000001C000000-0x000000001C0A6000-memory.dmp

Filesize
664KB

Download
memory/1640-23-0x000000001D190000-0x000000001D22C000-memory.dmp

Filesize
624KB

Download
memory/1640-3-0x000000001B560000-0x000000001B57C000-memory.dmp

Filesize
112KB

Download
memory/1640-0-0x00007FFC94D65000-0x00007FFC94D66000-memory.dmp

Filesize
4KB

Download
memory/1640-26-0x00007FFC94AB0000-0x00007FFC95451000-memory.dmp

Filesize
9.6MB

Download
memory/1640-25-0x00007FFC94D65000-0x00007FFC94D66000-memory.dmp

Filesize
4KB

Download
memory/1640-2-0x00007FFC94AB0000-0x00007FFC95451000-memory.dmp

Filesize
9.6MB

Download
memory/1640-1-0x000000001BB30000-0x000000001BFFE000-memory.dmp

Filesize
4.8MB

Download
memory/1640-5-0x00007FFC94AB0000-0x00007FFC95451000-memory.dmp

Filesize
9.6MB

Download
memory/1640-24-0x000000001B630000-0x000000001B638000-memory.dmp

Filesize
32KB

Download
memory/2508-7-0x000001E067990000-0x000001E0679B2000-memory.dmp

Filesize
136KB

Download
memory/2508-22-0x00007FFC91340000-0x00007FFC91E01000-memory.dmp

Filesize
10.8MB

Download
memory/2508-19-0x00007FFC91340000-0x00007FFC91E01000-memory.dmp

Filesize
10.8MB

Download
memory/2508-18-0x00007FFC91340000-0x00007FFC91E01000-memory.dmp

Filesize
10.8MB

Download
memory/2508-6-0x00007FFC91343000-0x00007FFC91345000-memory.dmp

Filesize
8KB

Download
memory/2508-17-0x00007FFC91340000-0x00007FFC91E01000-memory.dmp

Filesize
10.8MB

Download

Analysis

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