njrat | 79f0aeca1d115dc298f302ad91b1762f3ef6aefe16b13f269aa6d211def3ff38

Resubmissions

17-02-2024 16:51

240217-vc7zjshd22 10

17-02-2024 16:36

240217-t4m8sahc42 10

Analysis

max time kernel
1561s
max time network
1562s
platform
windows7_x64
resource
win7-20231215-it
resource tags

arch:x64arch:x86image:win7-20231215-itlocale:it-itos:windows7-x64systemwindows
submitted
17-02-2024 16:51

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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

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

2764 netsh.exe
1604 netsh.exe

pid	process
2764	netsh.exe
1604	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

1224 System32.exe
Loads dropped DLL 1 IoCs

Processes:

Soundcloud Mp3 Downloader.exe

pid process

1324 Soundcloud Mp3 Downloader.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
1224	System32.exe

pid	process
1324	Soundcloud Mp3 Downloader.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1876-19-0x0000000000400000-0x0000000000472000-memory.dmp	upx
behavioral1/memory/1876-21-0x0000000000400000-0x0000000000472000-memory.dmp	upx
behavioral1/memory/1876-24-0x0000000000400000-0x0000000000472000-memory.dmp	upx
behavioral1/memory/1876-26-0x0000000000400000-0x0000000000472000-memory.dmp	upx
behavioral1/memory/1876-27-0x0000000000400000-0x0000000000472000-memory.dmp	upx
behavioral1/memory/1876-28-0x0000000000400000-0x0000000000472000-memory.dmp	upx
behavioral1/memory/1876-29-0x0000000000400000-0x0000000000472000-memory.dmp	upx
behavioral1/memory/1876-30-0x0000000000400000-0x0000000000472000-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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\eb79d2041d670825ab1270eb43a4aa92 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System32.exe\" .."	System32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\eb79d2041d670825ab1270eb43a4aa92 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System32.exe\" .."	System32.exe

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

Web Service
T1102

Processes:

flow ioc

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

Processes:

System32.exe

description pid process target process

PID 1224 set thread context of 1876 1224 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

2596 ipconfig.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1960 PING.EXE

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

description	pid	process	target process
PID 1224 set thread context of 1876	1224	System32.exe	vbc.exe

pid	process
2596	ipconfig.exe

pid	process
1960	PING.EXE

Suspicious use of AdjustPrivilegeToken 37 IoCs

Processes:

System32.exe

description	pid	process
Token: SeDebugPrivilege	1224	System32.exe
Token: 33	1224	System32.exe
Token: SeIncBasePriorityPrivilege	1224	System32.exe
Token: 33	1224	System32.exe
Token: SeIncBasePriorityPrivilege	1224	System32.exe
Token: 33	1224	System32.exe
Token: SeIncBasePriorityPrivilege	1224	System32.exe
Token: 33	1224	System32.exe
Token: SeIncBasePriorityPrivilege	1224	System32.exe
Token: 33	1224	System32.exe
Token: SeIncBasePriorityPrivilege	1224	System32.exe
Token: 33	1224	System32.exe
Token: SeIncBasePriorityPrivilege	1224	System32.exe
Token: 33	1224	System32.exe
Token: SeIncBasePriorityPrivilege	1224	System32.exe
Token: 33	1224	System32.exe
Token: SeIncBasePriorityPrivilege	1224	System32.exe
Token: 33	1224	System32.exe
Token: SeIncBasePriorityPrivilege	1224	System32.exe
Token: 33	1224	System32.exe
Token: SeIncBasePriorityPrivilege	1224	System32.exe
Token: 33	1224	System32.exe
Token: SeIncBasePriorityPrivilege	1224	System32.exe
Token: 33	1224	System32.exe
Token: SeIncBasePriorityPrivilege	1224	System32.exe
Token: 33	1224	System32.exe
Token: SeIncBasePriorityPrivilege	1224	System32.exe
Token: 33	1224	System32.exe
Token: SeIncBasePriorityPrivilege	1224	System32.exe
Token: 33	1224	System32.exe
Token: SeIncBasePriorityPrivilege	1224	System32.exe
Token: 33	1224	System32.exe
Token: SeIncBasePriorityPrivilege	1224	System32.exe
Token: 33	1224	System32.exe
Token: SeIncBasePriorityPrivilege	1224	System32.exe
Token: 33	1224	System32.exe
Token: SeIncBasePriorityPrivilege	1224	System32.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

Soundcloud Mp3 Downloader.exeSystem32.execmd.execmd.exe

description	pid	process	target process
PID 1324 wrote to memory of 1224	1324	Soundcloud Mp3 Downloader.exe	System32.exe
PID 1324 wrote to memory of 1224	1324	Soundcloud Mp3 Downloader.exe	System32.exe
PID 1324 wrote to memory of 1224	1324	Soundcloud Mp3 Downloader.exe	System32.exe
PID 1324 wrote to memory of 1224	1324	Soundcloud Mp3 Downloader.exe	System32.exe
PID 1224 wrote to memory of 2764	1224	System32.exe	netsh.exe
PID 1224 wrote to memory of 2764	1224	System32.exe	netsh.exe
PID 1224 wrote to memory of 2764	1224	System32.exe	netsh.exe
PID 1224 wrote to memory of 2764	1224	System32.exe	netsh.exe
PID 1224 wrote to memory of 1876	1224	System32.exe	vbc.exe
PID 1224 wrote to memory of 1876	1224	System32.exe	vbc.exe
PID 1224 wrote to memory of 1876	1224	System32.exe	vbc.exe
PID 1224 wrote to memory of 1876	1224	System32.exe	vbc.exe
PID 1224 wrote to memory of 1876	1224	System32.exe	vbc.exe
PID 1224 wrote to memory of 1876	1224	System32.exe	vbc.exe
PID 1224 wrote to memory of 1876	1224	System32.exe	vbc.exe
PID 1224 wrote to memory of 1876	1224	System32.exe	vbc.exe
PID 1224 wrote to memory of 1480	1224	System32.exe	cmd.exe
PID 1224 wrote to memory of 1480	1224	System32.exe	cmd.exe
PID 1224 wrote to memory of 1480	1224	System32.exe	cmd.exe
PID 1224 wrote to memory of 1480	1224	System32.exe	cmd.exe
PID 1480 wrote to memory of 2596	1480	cmd.exe	ipconfig.exe
PID 1480 wrote to memory of 2596	1480	cmd.exe	ipconfig.exe
PID 1480 wrote to memory of 2596	1480	cmd.exe	ipconfig.exe
PID 1480 wrote to memory of 2596	1480	cmd.exe	ipconfig.exe
PID 1224 wrote to memory of 1604	1224	System32.exe	netsh.exe
PID 1224 wrote to memory of 1604	1224	System32.exe	netsh.exe
PID 1224 wrote to memory of 1604	1224	System32.exe	netsh.exe
PID 1224 wrote to memory of 1604	1224	System32.exe	netsh.exe
PID 1224 wrote to memory of 848	1224	System32.exe	cmd.exe
PID 1224 wrote to memory of 848	1224	System32.exe	cmd.exe
PID 1224 wrote to memory of 848	1224	System32.exe	cmd.exe
PID 1224 wrote to memory of 848	1224	System32.exe	cmd.exe
PID 848 wrote to memory of 1960	848	cmd.exe	PING.EXE
PID 848 wrote to memory of 1960	848	cmd.exe	PING.EXE
PID 848 wrote to memory of 1960	848	cmd.exe	PING.EXE
PID 848 wrote to memory of 1960	848	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⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1324
- 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 use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1224
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\System32.exe" "System32.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:2764
- - 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\1024198"
    3⤵
    PID:1876
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ipconfig/release
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1480
  - - C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /release
      4⤵
      Gathers network information
      PID:2596
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Roaming\System32.exe"
    3⤵
    - Modifies Windows Firewall
    PID:1604
- - 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:848
  - - C:\Windows\SysWOW64\PING.EXE
      ping 0 -n 2
      4⤵
      Runs ping.exe
      PID:1960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Scripting

T1064

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Scripting

T1064

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Roaming\System32.exe

Filesize
34KB

MD5
10ca22a332f6acefb21a957e09e30608

SHA1
a048ee36ef2ba5dc9b676ba815df68b6d6188f60

SHA256
79f0aeca1d115dc298f302ad91b1762f3ef6aefe16b13f269aa6d211def3ff38

SHA512
4c751bc0923eed5f33bee95c706253704a40f838a45de7b35a34f3c330af399e98e37ed3c0f7c5d0a9333a911207e3ed5589b099838ffac2c029b86bc8441a91

Download Submit
memory/1224-33-0x0000000073F80000-0x000000007452B000-memory.dmp

Filesize
5.7MB

Download
memory/1224-12-0x0000000073F80000-0x000000007452B000-memory.dmp

Filesize
5.7MB

Download
memory/1224-11-0x0000000073F80000-0x000000007452B000-memory.dmp

Filesize
5.7MB

Download
memory/1224-14-0x00000000001A0000-0x00000000001E0000-memory.dmp

Filesize
256KB

Download
memory/1224-15-0x0000000073F80000-0x000000007452B000-memory.dmp

Filesize
5.7MB

Download
memory/1224-16-0x00000000001A0000-0x00000000001E0000-memory.dmp

Filesize
256KB

Download
memory/1324-2-0x0000000000130000-0x0000000000170000-memory.dmp

Filesize
256KB

Download
memory/1324-1-0x0000000073F80000-0x000000007452B000-memory.dmp

Filesize
5.7MB

Download
memory/1324-10-0x0000000073F80000-0x000000007452B000-memory.dmp

Filesize
5.7MB

Download
memory/1324-0-0x0000000073F80000-0x000000007452B000-memory.dmp

Filesize
5.7MB

Download
memory/1876-17-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1876-21-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1876-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1876-24-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1876-26-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1876-27-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1876-28-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1876-29-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1876-30-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1876-19-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download