nitro | 3648148140b969d6ff9c51898844311a7572815b1168a320eb924a3ebea6fc22

General

Target

NitroRansomware.exe
Size

61KB
MD5

07e743c285d7f93f6eade3ef06f254af
SHA1

0041dac01ef16644d29bfa52bbc07bb8650d1ab0
SHA256

3648148140b969d6ff9c51898844311a7572815b1168a320eb924a3ebea6fc22
SHA512

77ca7c4a5fca4b7e3e30e27fee2025d7fc4a6a0036633fff82ffde981a0bd04238134038a7b0615911f60614b44bbde3ecca32a4b767c8a420ab2e91317a12b6
SSDEEP

768:0KsMqCXfVcWlzM9ZkiANIUndYLDwUzc80gmq3oP/oDF:0Kse1M9ZkiAPyr/0O8/oh

Score

10^/10

nitro discovery persistence ransomware spyware stealer

Malware Config

Signatures

Nitro
A ransomware that demands Discord nitro gift codes to decrypt files.
ransomware nitro
Nitro family
nitro
Renames multiple (93) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

NitroRansomware.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\NitroRansomware.exe\""	NitroRansomware.exe

Drops desktop.ini file(s) 3 IoCs

Processes:

NitroRansomware.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	NitroRansomware.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	NitroRansomware.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	NitroRansomware.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs

Web Service
T1102

Processes:

flow ioc

9 discord.com
10 discord.com
11 discord.com
6 discord.com
7 discord.com
8 discord.com
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org

flow	ioc
9	discord.com
10	discord.com
11	discord.com
6	discord.com
7	discord.com
8	discord.com

flow	ioc
4	api.ipify.org
5	api.ipify.org

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

NitroRansomware.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg"	NitroRansomware.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	NitroRansomware.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

NitroRansomware.execmd.exeWMIC.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NitroRansomware.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WMIC.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

NitroRansomware.exe

pid process

2920 NitroRansomware.exe
2920 NitroRansomware.exe

pid	process
2920	NitroRansomware.exe
2920	NitroRansomware.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

Processes:

NitroRansomware.exeWMIC.exe

description	pid	process
Token: SeDebugPrivilege	2920	NitroRansomware.exe
Token: SeIncreaseQuotaPrivilege	2844	WMIC.exe
Token: SeSecurityPrivilege	2844	WMIC.exe
Token: SeTakeOwnershipPrivilege	2844	WMIC.exe
Token: SeLoadDriverPrivilege	2844	WMIC.exe
Token: SeSystemProfilePrivilege	2844	WMIC.exe
Token: SeSystemtimePrivilege	2844	WMIC.exe
Token: SeProfSingleProcessPrivilege	2844	WMIC.exe
Token: SeIncBasePriorityPrivilege	2844	WMIC.exe
Token: SeCreatePagefilePrivilege	2844	WMIC.exe
Token: SeBackupPrivilege	2844	WMIC.exe
Token: SeRestorePrivilege	2844	WMIC.exe
Token: SeShutdownPrivilege	2844	WMIC.exe
Token: SeDebugPrivilege	2844	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2844	WMIC.exe
Token: SeRemoteShutdownPrivilege	2844	WMIC.exe
Token: SeUndockPrivilege	2844	WMIC.exe
Token: SeManageVolumePrivilege	2844	WMIC.exe
Token: 33	2844	WMIC.exe
Token: 34	2844	WMIC.exe
Token: 35	2844	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2844	WMIC.exe
Token: SeSecurityPrivilege	2844	WMIC.exe
Token: SeTakeOwnershipPrivilege	2844	WMIC.exe
Token: SeLoadDriverPrivilege	2844	WMIC.exe
Token: SeSystemProfilePrivilege	2844	WMIC.exe
Token: SeSystemtimePrivilege	2844	WMIC.exe
Token: SeProfSingleProcessPrivilege	2844	WMIC.exe
Token: SeIncBasePriorityPrivilege	2844	WMIC.exe
Token: SeCreatePagefilePrivilege	2844	WMIC.exe
Token: SeBackupPrivilege	2844	WMIC.exe
Token: SeRestorePrivilege	2844	WMIC.exe
Token: SeShutdownPrivilege	2844	WMIC.exe
Token: SeDebugPrivilege	2844	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2844	WMIC.exe
Token: SeRemoteShutdownPrivilege	2844	WMIC.exe
Token: SeUndockPrivilege	2844	WMIC.exe
Token: SeManageVolumePrivilege	2844	WMIC.exe
Token: 33	2844	WMIC.exe
Token: 34	2844	WMIC.exe
Token: 35	2844	WMIC.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

NitroRansomware.execmd.exe

description	pid	process	target process
PID 2920 wrote to memory of 2076	2920	NitroRansomware.exe	cmd.exe
PID 2920 wrote to memory of 2076	2920	NitroRansomware.exe	cmd.exe
PID 2920 wrote to memory of 2076	2920	NitroRansomware.exe	cmd.exe
PID 2920 wrote to memory of 2076	2920	NitroRansomware.exe	cmd.exe
PID 2076 wrote to memory of 2844	2076	cmd.exe	WMIC.exe
PID 2076 wrote to memory of 2844	2076	cmd.exe	WMIC.exe
PID 2076 wrote to memory of 2844	2076	cmd.exe	WMIC.exe
PID 2076 wrote to memory of 2844	2076	cmd.exe	WMIC.exe

C:\Users\Admin\AppData\Local\Temp\NitroRansomware.exe
"C:\Users\Admin\AppData\Local\Temp\NitroRansomware.exe"
1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2076
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2844

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

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Defacement

1

T1491

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Downloads

memory/2920-0-0x00000000745AE000-0x00000000745AF000-memory.dmp

Filesize
4KB

Download
memory/2920-1-0x0000000000B00000-0x0000000000B16000-memory.dmp

Filesize
88KB

Download
memory/2920-2-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/2920-16-0x00000000745AE000-0x00000000745AF000-memory.dmp

Filesize
4KB

Download
memory/2920-19-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/2920-101-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/2920-102-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads