nitro | 56cc1b7f77c609d32658b8b3230257b3d00971aef4ff656b61c76823ae1b6da7

Analysis

max time kernel
143s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
11-05-2024 07:53

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General

Target

Free Nitro V0 (NICHT ÖFFNEN).exe
Size

62KB
MD5

73e79cff585cc828b27ecddc167bf328
SHA1

2b909c3c36fb97a745db2dd89019ab69d6e1d619
SHA256

56cc1b7f77c609d32658b8b3230257b3d00971aef4ff656b61c76823ae1b6da7
SHA512

4f94c8dc8582a0bb48599e3eb6396d2ff796ec925e6ef0281caaa461b3fb77eff721c0bf431fb09dd063968a10eb60f7700e3ac82ed845a606d01ed9879627d9
SSDEEP

768:PKsMqCXfVcWL/M9ZkiANIUKfYLDwUzc80gmq3oP/oDq:PKseTM9ZkiAP1r/0O8/o+

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 (71) 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-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Free Nitro V0 (NICHT ÖFFNEN).exe\""	Free Nitro V0 (NICHT ÖFFNEN).exe

Drops desktop.ini file(s) 5 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	Free Nitro V0 (NICHT ÖFFNEN).exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	Free Nitro V0 (NICHT ÖFFNEN).exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	Free Nitro V0 (NICHT ÖFFNEN).exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	Free Nitro V0 (NICHT ÖFFNEN).exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	Free Nitro V0 (NICHT ÖFFNEN).exe

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

Web Service

T1102

flow	ioc
12	discord.com
21	discord.com
29	discord.com
33	discord.com
57	discord.com
11	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.

flow	ioc
6	api.ipify.org
9	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-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	Free Nitro V0 (NICHT ÖFFNEN).exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4588	1820	WerFault.exe	82
956	1820	WerFault.exe	82

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000_Classes\Local Settings	OpenWith.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1820	Free Nitro V0 (NICHT ÖFFNEN).exe
1820	Free Nitro V0 (NICHT ÖFFNEN).exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	1820	Free Nitro V0 (NICHT ÖFFNEN).exe
Token: SeIncreaseQuotaPrivilege	4984	WMIC.exe
Token: SeSecurityPrivilege	4984	WMIC.exe
Token: SeTakeOwnershipPrivilege	4984	WMIC.exe
Token: SeLoadDriverPrivilege	4984	WMIC.exe
Token: SeSystemProfilePrivilege	4984	WMIC.exe
Token: SeSystemtimePrivilege	4984	WMIC.exe
Token: SeProfSingleProcessPrivilege	4984	WMIC.exe
Token: SeIncBasePriorityPrivilege	4984	WMIC.exe
Token: SeCreatePagefilePrivilege	4984	WMIC.exe
Token: SeBackupPrivilege	4984	WMIC.exe
Token: SeRestorePrivilege	4984	WMIC.exe
Token: SeShutdownPrivilege	4984	WMIC.exe
Token: SeDebugPrivilege	4984	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4984	WMIC.exe
Token: SeRemoteShutdownPrivilege	4984	WMIC.exe
Token: SeUndockPrivilege	4984	WMIC.exe
Token: SeManageVolumePrivilege	4984	WMIC.exe
Token: 33	4984	WMIC.exe
Token: 34	4984	WMIC.exe
Token: 35	4984	WMIC.exe
Token: 36	4984	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4984	WMIC.exe
Token: SeSecurityPrivilege	4984	WMIC.exe
Token: SeTakeOwnershipPrivilege	4984	WMIC.exe
Token: SeLoadDriverPrivilege	4984	WMIC.exe
Token: SeSystemProfilePrivilege	4984	WMIC.exe
Token: SeSystemtimePrivilege	4984	WMIC.exe
Token: SeProfSingleProcessPrivilege	4984	WMIC.exe
Token: SeIncBasePriorityPrivilege	4984	WMIC.exe
Token: SeCreatePagefilePrivilege	4984	WMIC.exe
Token: SeBackupPrivilege	4984	WMIC.exe
Token: SeRestorePrivilege	4984	WMIC.exe
Token: SeShutdownPrivilege	4984	WMIC.exe
Token: SeDebugPrivilege	4984	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4984	WMIC.exe
Token: SeRemoteShutdownPrivilege	4984	WMIC.exe
Token: SeUndockPrivilege	4984	WMIC.exe
Token: SeManageVolumePrivilege	4984	WMIC.exe
Token: 33	4984	WMIC.exe
Token: 34	4984	WMIC.exe
Token: 35	4984	WMIC.exe
Token: 36	4984	WMIC.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4516	OpenWith.exe
3992	OpenWith.exe
4544	OpenWith.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 4036	1820	Free Nitro V0 (NICHT ÖFFNEN).exe	83
PID 1820 wrote to memory of 4036	1820	Free Nitro V0 (NICHT ÖFFNEN).exe	83
PID 1820 wrote to memory of 4036	1820	Free Nitro V0 (NICHT ÖFFNEN).exe	83
PID 4036 wrote to memory of 4984	4036	cmd.exe	85
PID 4036 wrote to memory of 4984	4036	cmd.exe	85
PID 4036 wrote to memory of 4984	4036	cmd.exe	85

C:\Users\Admin\AppData\Local\Temp\Free Nitro V0 (NICHT ÖFFNEN).exe
"C:\Users\Admin\AppData\Local\Temp\Free Nitro V0 (NICHT ÖFFNEN).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:1820
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4036
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4984
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1820 -s 2372
  2⤵
  - Program crash
  PID:4588
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1820 -s 1080
  2⤵
  - Program crash
  PID:956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1820 -ip 1820
1⤵
PID:4268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1820 -ip 1820
1⤵
PID:4752

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4516

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3992

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4544

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

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Downloads

memory/1820-0-0x000000007517E000-0x000000007517F000-memory.dmp

Filesize
4KB

Download
memory/1820-1-0x00000000004A0000-0x00000000004B6000-memory.dmp

Filesize
88KB

Download
memory/1820-2-0x0000000005230000-0x00000000057D4000-memory.dmp

Filesize
5.6MB

Download
memory/1820-3-0x0000000004D60000-0x0000000004DF2000-memory.dmp

Filesize
584KB

Download
memory/1820-4-0x0000000075170000-0x0000000075920000-memory.dmp

Filesize
7.7MB

Download
memory/1820-54-0x000000007517E000-0x000000007517F000-memory.dmp

Filesize
4KB

Download
memory/1820-62-0x0000000075170000-0x0000000075920000-memory.dmp

Filesize
7.7MB

Download
memory/1820-80-0x0000000006610000-0x000000000661A000-memory.dmp

Filesize
40KB

Download
memory/1820-81-0x0000000075170000-0x0000000075920000-memory.dmp

Filesize
7.7MB

Download