nitro | 6192f2e5cf81bd7eb80f2e26a57a489a7d1d44295ac497d11671f7cc405e342a

Analysis

max time kernel
128s
max time network
133s
platform
windows10-1703_x64
resource
win10-20231215-en
resource tags

arch:x64arch:x86image:win10-20231215-enlocale:en-usos:windows10-1703-x64system
submitted
19-12-2023 02:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

NitroRansomware.exe
Size

62KB
MD5

6157665ca331848ecbb635594556e6ee
SHA1

f115e226b9c983a2a8a7b97669855e606fc6194f
SHA256

6192f2e5cf81bd7eb80f2e26a57a489a7d1d44295ac497d11671f7cc405e342a
SHA512

f7057bd03ed1857608d3c41ede6c8fc75d62575f20d7e52ff805bce33e035f32a93aedf85f557c15f5268d5af64a9254dac7960afb134259ad3a63e6c1a73be8
SSDEEP

768:2OsMqCXfVcHfy1kPPE7TycANItIvYLDwUzc80gmq3oP/oDc:2Osvk+PzcAq7r/0O8/og

Score

10^/10

nitro persistence ransomware spyware stealer

Malware Config

Signatures

Nitro
A ransomware that demands Discord nitro gift codes to decrypt files.
ransomware nitro
Renames multiple (87) 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 2 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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4068299709-2976237847-2753307267-1000\Software\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\NitroRansomware.exe\""	NitroRansomware.exe

Drops desktop.ini file(s) 5 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	NitroRansomware.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	NitroRansomware.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	NitroRansomware.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	NitroRansomware.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	NitroRansomware.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
1	api.ipify.org
2	api.ipify.org

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4068299709-2976237847-2753307267-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	NitroRansomware.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1288	NitroRansomware.exe
1288	NitroRansomware.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	1288	NitroRansomware.exe
Token: SeIncreaseQuotaPrivilege	4324	WMIC.exe
Token: SeSecurityPrivilege	4324	WMIC.exe
Token: SeTakeOwnershipPrivilege	4324	WMIC.exe
Token: SeLoadDriverPrivilege	4324	WMIC.exe
Token: SeSystemProfilePrivilege	4324	WMIC.exe
Token: SeSystemtimePrivilege	4324	WMIC.exe
Token: SeProfSingleProcessPrivilege	4324	WMIC.exe
Token: SeIncBasePriorityPrivilege	4324	WMIC.exe
Token: SeCreatePagefilePrivilege	4324	WMIC.exe
Token: SeBackupPrivilege	4324	WMIC.exe
Token: SeRestorePrivilege	4324	WMIC.exe
Token: SeShutdownPrivilege	4324	WMIC.exe
Token: SeDebugPrivilege	4324	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4324	WMIC.exe
Token: SeRemoteShutdownPrivilege	4324	WMIC.exe
Token: SeUndockPrivilege	4324	WMIC.exe
Token: SeManageVolumePrivilege	4324	WMIC.exe
Token: 33	4324	WMIC.exe
Token: 34	4324	WMIC.exe
Token: 35	4324	WMIC.exe
Token: 36	4324	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4324	WMIC.exe
Token: SeSecurityPrivilege	4324	WMIC.exe
Token: SeTakeOwnershipPrivilege	4324	WMIC.exe
Token: SeLoadDriverPrivilege	4324	WMIC.exe
Token: SeSystemProfilePrivilege	4324	WMIC.exe
Token: SeSystemtimePrivilege	4324	WMIC.exe
Token: SeProfSingleProcessPrivilege	4324	WMIC.exe
Token: SeIncBasePriorityPrivilege	4324	WMIC.exe
Token: SeCreatePagefilePrivilege	4324	WMIC.exe
Token: SeBackupPrivilege	4324	WMIC.exe
Token: SeRestorePrivilege	4324	WMIC.exe
Token: SeShutdownPrivilege	4324	WMIC.exe
Token: SeDebugPrivilege	4324	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4324	WMIC.exe
Token: SeRemoteShutdownPrivilege	4324	WMIC.exe
Token: SeUndockPrivilege	4324	WMIC.exe
Token: SeManageVolumePrivilege	4324	WMIC.exe
Token: 33	4324	WMIC.exe
Token: 34	4324	WMIC.exe
Token: 35	4324	WMIC.exe
Token: 36	4324	WMIC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 5060	1288	NitroRansomware.exe	71
PID 1288 wrote to memory of 5060	1288	NitroRansomware.exe	71
PID 1288 wrote to memory of 5060	1288	NitroRansomware.exe	71
PID 5060 wrote to memory of 4324	5060	cmd.exe	73
PID 5060 wrote to memory of 4324	5060	cmd.exe	73
PID 5060 wrote to memory of 4324	5060	cmd.exe	73

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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1288
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5060
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Defacement

T1491

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1288-0-0x0000000000F20000-0x0000000000F36000-memory.dmp

Filesize
88KB

Download
memory/1288-1-0x0000000073F90000-0x000000007467E000-memory.dmp

Filesize
6.9MB

Download
memory/1288-2-0x0000000005CB0000-0x00000000061AE000-memory.dmp

Filesize
5.0MB

Download
memory/1288-3-0x00000000057B0000-0x0000000005842000-memory.dmp

Filesize
584KB

Download
memory/1288-4-0x0000000003410000-0x0000000003420000-memory.dmp

Filesize
64KB

Download
memory/1288-46-0x0000000073F90000-0x000000007467E000-memory.dmp

Filesize
6.9MB

Download
memory/1288-53-0x0000000003410000-0x0000000003420000-memory.dmp

Filesize
64KB

Download
memory/1288-96-0x0000000006410000-0x000000000641A000-memory.dmp

Filesize
40KB

Download
memory/1288-97-0x0000000003410000-0x0000000003420000-memory.dmp

Filesize
64KB

Download
memory/1288-98-0x0000000003410000-0x0000000003420000-memory.dmp

Filesize
64KB

Download
memory/1288-99-0x0000000003410000-0x0000000003420000-memory.dmp

Filesize
64KB

Download
memory/1288-100-0x0000000003410000-0x0000000003420000-memory.dmp

Filesize
64KB

Download