njrat | 79f0aeca1d115dc298f302ad91b1762f3ef6aefe16b13f269aa6d211def3ff38

General

Target

Soundcloud Mp3 Downloader.exe
Size

34KB
MD5

10ca22a332f6acefb21a957e09e30608
SHA1

a048ee36ef2ba5dc9b676ba815df68b6d6188f60
SHA256

79f0aeca1d115dc298f302ad91b1762f3ef6aefe16b13f269aa6d211def3ff38
SHA512

4c751bc0923eed5f33bee95c706253704a40f838a45de7b35a34f3c330af399e98e37ed3c0f7c5d0a9333a911207e3ed5589b099838ffac2c029b86bc8441a91
SSDEEP

384:ZtZNYkRM94IIWsi7omXh2JfNFPIMeTuSblDTodg9TduS/EIGsJjwE7UMcrie48eC:nDSOComanqlouDuCEIGfRn+fw

Score

10^/10

njrat hacked by hidden person evasion persistence spyware stealer trojan upx

Malware Config

Extracted

Family

njrat

Version

0.9d

Botnet

Hacked By HiDDen PerSOn

C2

0.tcp.eu.ngrok.io:10540

Mutex

eb79d2041d670825ab1270eb43a4aa92

Attributes

reg_key
eb79d2041d670825ab1270eb43a4aa92
splitter
|Vyrn|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Modifies Windows Firewall 2 TTPs 2 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exenetsh.exe

pid process

2340 netsh.exe
2316 netsh.exe

pid	process
2340	netsh.exe
2316	netsh.exe

Drops startup file 2 IoCs

Processes:

System32.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\eb79d2041d670825ab1270eb43a4aa92.exe	System32.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\eb79d2041d670825ab1270eb43a4aa92.exe	System32.exe

Executes dropped EXE 1 IoCs

Processes:

System32.exe

pid process

1200 System32.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
1200	System32.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/4392-18-0x0000000000400000-0x0000000000472000-memory.dmp	upx
behavioral1/memory/4392-20-0x0000000000400000-0x0000000000472000-memory.dmp	upx
behavioral1/memory/4392-22-0x0000000000400000-0x0000000000472000-memory.dmp	upx
behavioral1/memory/4392-27-0x0000000000400000-0x0000000000472000-memory.dmp	upx

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

System32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2299748260-2738869828-1388081988-1000\Software\Microsoft\Windows\CurrentVersion\Run\eb79d2041d670825ab1270eb43a4aa92 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System32.exe\" .."	System32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\eb79d2041d670825ab1270eb43a4aa92 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System32.exe\" .."	System32.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

22 0.tcp.eu.ngrok.io
2 0.tcp.eu.ngrok.io
Suspicious use of SetThreadContext 1 IoCs

Processes:

System32.exe

description pid process target process

PID 1200 set thread context of 4392 1200 System32.exe vbc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command and Scripting Interpreter
T1059

Processes:

ipconfig.exe

pid process

3888 ipconfig.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4568 PING.EXE
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

System32.exe

pid process

1200 System32.exe

flow	ioc
22	0.tcp.eu.ngrok.io
2	0.tcp.eu.ngrok.io

description	pid	process	target process
PID 1200 set thread context of 4392	1200	System32.exe	vbc.exe

pid	process
3888	ipconfig.exe

pid	process
4568	PING.EXE

pid	process
1200	System32.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

System32.exe

description	pid	process
Token: SeDebugPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe
Token: SeIncBasePriorityPrivilege	1200	System32.exe
Token: 33	1200	System32.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

Soundcloud Mp3 Downloader.exeSystem32.execmd.execmd.exe

description	pid	process	target process
PID 1600 wrote to memory of 1200	1600	Soundcloud Mp3 Downloader.exe	System32.exe
PID 1600 wrote to memory of 1200	1600	Soundcloud Mp3 Downloader.exe	System32.exe
PID 1600 wrote to memory of 1200	1600	Soundcloud Mp3 Downloader.exe	System32.exe
PID 1200 wrote to memory of 2340	1200	System32.exe	netsh.exe
PID 1200 wrote to memory of 2340	1200	System32.exe	netsh.exe
PID 1200 wrote to memory of 2340	1200	System32.exe	netsh.exe
PID 1200 wrote to memory of 4392	1200	System32.exe	vbc.exe
PID 1200 wrote to memory of 4392	1200	System32.exe	vbc.exe
PID 1200 wrote to memory of 4392	1200	System32.exe	vbc.exe
PID 1200 wrote to memory of 4392	1200	System32.exe	vbc.exe
PID 1200 wrote to memory of 4392	1200	System32.exe	vbc.exe
PID 1200 wrote to memory of 4392	1200	System32.exe	vbc.exe
PID 1200 wrote to memory of 4392	1200	System32.exe	vbc.exe
PID 1200 wrote to memory of 4300	1200	System32.exe	cmd.exe
PID 1200 wrote to memory of 4300	1200	System32.exe	cmd.exe
PID 1200 wrote to memory of 4300	1200	System32.exe	cmd.exe
PID 4300 wrote to memory of 3888	4300	cmd.exe	ipconfig.exe
PID 4300 wrote to memory of 3888	4300	cmd.exe	ipconfig.exe
PID 4300 wrote to memory of 3888	4300	cmd.exe	ipconfig.exe
PID 1200 wrote to memory of 2316	1200	System32.exe	netsh.exe
PID 1200 wrote to memory of 2316	1200	System32.exe	netsh.exe
PID 1200 wrote to memory of 2316	1200	System32.exe	netsh.exe
PID 1200 wrote to memory of 4080	1200	System32.exe	cmd.exe
PID 1200 wrote to memory of 4080	1200	System32.exe	cmd.exe
PID 1200 wrote to memory of 4080	1200	System32.exe	cmd.exe
PID 4080 wrote to memory of 4568	4080	cmd.exe	PING.EXE
PID 4080 wrote to memory of 4568	4080	cmd.exe	PING.EXE
PID 4080 wrote to memory of 4568	4080	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\Soundcloud Mp3 Downloader.exe
"C:\Users\Admin\AppData\Local\Temp\Soundcloud Mp3 Downloader.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1600

C:\Users\Admin\AppData\Roaming\System32.exe
"C:\Users\Admin\AppData\Roaming\System32.exe"
2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1200

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\System32.exe" "System32.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:2340

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" -f "C:\Users\Admin\AppData\Local\Temp\4884781"
3⤵
PID:4392

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ipconfig/release
3⤵
- Suspicious use of WriteProcessMemory
PID:4300

C:\Windows\SysWOW64\ipconfig.exe
ipconfig /release
4⤵
- Gathers network information
PID:3888

C:\Windows\SysWOW64\netsh.exe
netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Roaming\System32.exe"
3⤵
- Modifies Windows Firewall
PID:2316

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 0 -n 2 & del "C:\Users\Admin\AppData\Roaming\System32.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:4080

C:\Windows\SysWOW64\PING.EXE
ping 0 -n 2
4⤵
- Runs ping.exe
PID:4568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

Scripting

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

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

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Scripting

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\4884781

Filesize
507B

MD5
6d0e849b0647746facd7c73f03b4d366

SHA1
3138201a6608428b922bd86168b51cf80615bc91

SHA256
c2f229ba47f29fccb6d35a908e887bf97e9e87cdb1110e855d5caa39571e5d72

SHA512
3839589f64141ba269f95e2726dd040ee09b6c9c09f5765dcdba847b02f68fa000b588a272f17e73ac42e81b3bb154535dc20da6dce0682b4b3a1ac2daada86a

Download Submit
C:\Users\Admin\AppData\Roaming\System32.exe

Filesize
34KB

MD5
10ca22a332f6acefb21a957e09e30608

SHA1
a048ee36ef2ba5dc9b676ba815df68b6d6188f60

SHA256
79f0aeca1d115dc298f302ad91b1762f3ef6aefe16b13f269aa6d211def3ff38

SHA512
4c751bc0923eed5f33bee95c706253704a40f838a45de7b35a34f3c330af399e98e37ed3c0f7c5d0a9333a911207e3ed5589b099838ffac2c029b86bc8441a91

Download Submit
memory/1200-16-0x0000000002A40000-0x0000000002A50000-memory.dmp

Filesize
64KB

Download
memory/1200-36-0x0000000073770000-0x0000000073D20000-memory.dmp

Filesize
5.7MB

Download
memory/1200-17-0x0000000002A40000-0x0000000002A50000-memory.dmp

Filesize
64KB

Download
memory/1200-10-0x0000000073770000-0x0000000073D20000-memory.dmp

Filesize
5.7MB

Download
memory/1200-11-0x0000000002A40000-0x0000000002A50000-memory.dmp

Filesize
64KB

Download
memory/1200-12-0x0000000073770000-0x0000000073D20000-memory.dmp

Filesize
5.7MB

Download
memory/1200-14-0x0000000073770000-0x0000000073D20000-memory.dmp

Filesize
5.7MB

Download
memory/1200-15-0x0000000002A40000-0x0000000002A50000-memory.dmp

Filesize
64KB

Download
memory/1600-9-0x0000000073770000-0x0000000073D20000-memory.dmp

Filesize
5.7MB

Download
memory/1600-0-0x0000000073770000-0x0000000073D20000-memory.dmp

Filesize
5.7MB

Download
memory/1600-2-0x0000000001680000-0x0000000001690000-memory.dmp

Filesize
64KB

Download
memory/1600-1-0x0000000073770000-0x0000000073D20000-memory.dmp

Filesize
5.7MB

Download
memory/4392-18-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/4392-20-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/4392-22-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/4392-27-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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