nitro | 56cc1b7f77c609d32658b8b3230257b3d00971aef4ff656b61c76823ae1b6da7

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 (84) 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-1-5-21-2297530677-1229052932-2803917579-1000\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) 3 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\Documents\desktop.ini	Free Nitro V0 (NICHT ÖFFNEN).exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	Free Nitro V0 (NICHT ÖFFNEN).exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 7 IoCs

Web Service

T1102

flow	ioc
7	discord.com
8	discord.com
9	discord.com
10	discord.com
11	discord.com
12	discord.com
6	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
4	api.ipify.org
5	api.ipify.org

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	Free Nitro V0 (NICHT ÖFFNEN).exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg"	Free Nitro V0 (NICHT ÖFFNEN).exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2032	Free Nitro V0 (NICHT ÖFFNEN).exe
2032	Free Nitro V0 (NICHT ÖFFNEN).exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeDebugPrivilege	2032	Free Nitro V0 (NICHT ÖFFNEN).exe
Token: SeIncreaseQuotaPrivilege	2796	WMIC.exe
Token: SeSecurityPrivilege	2796	WMIC.exe
Token: SeTakeOwnershipPrivilege	2796	WMIC.exe
Token: SeLoadDriverPrivilege	2796	WMIC.exe
Token: SeSystemProfilePrivilege	2796	WMIC.exe
Token: SeSystemtimePrivilege	2796	WMIC.exe
Token: SeProfSingleProcessPrivilege	2796	WMIC.exe
Token: SeIncBasePriorityPrivilege	2796	WMIC.exe
Token: SeCreatePagefilePrivilege	2796	WMIC.exe
Token: SeBackupPrivilege	2796	WMIC.exe
Token: SeRestorePrivilege	2796	WMIC.exe
Token: SeShutdownPrivilege	2796	WMIC.exe
Token: SeDebugPrivilege	2796	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2796	WMIC.exe
Token: SeRemoteShutdownPrivilege	2796	WMIC.exe
Token: SeUndockPrivilege	2796	WMIC.exe
Token: SeManageVolumePrivilege	2796	WMIC.exe
Token: 33	2796	WMIC.exe
Token: 34	2796	WMIC.exe
Token: 35	2796	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2796	WMIC.exe
Token: SeSecurityPrivilege	2796	WMIC.exe
Token: SeTakeOwnershipPrivilege	2796	WMIC.exe
Token: SeLoadDriverPrivilege	2796	WMIC.exe
Token: SeSystemProfilePrivilege	2796	WMIC.exe
Token: SeSystemtimePrivilege	2796	WMIC.exe
Token: SeProfSingleProcessPrivilege	2796	WMIC.exe
Token: SeIncBasePriorityPrivilege	2796	WMIC.exe
Token: SeCreatePagefilePrivilege	2796	WMIC.exe
Token: SeBackupPrivilege	2796	WMIC.exe
Token: SeRestorePrivilege	2796	WMIC.exe
Token: SeShutdownPrivilege	2796	WMIC.exe
Token: SeDebugPrivilege	2796	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2796	WMIC.exe
Token: SeRemoteShutdownPrivilege	2796	WMIC.exe
Token: SeUndockPrivilege	2796	WMIC.exe
Token: SeManageVolumePrivilege	2796	WMIC.exe
Token: 33	2796	WMIC.exe
Token: 34	2796	WMIC.exe
Token: 35	2796	WMIC.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 2368	2032	Free Nitro V0 (NICHT ÖFFNEN).exe	28
PID 2032 wrote to memory of 2368	2032	Free Nitro V0 (NICHT ÖFFNEN).exe	28
PID 2032 wrote to memory of 2368	2032	Free Nitro V0 (NICHT ÖFFNEN).exe	28
PID 2032 wrote to memory of 2368	2032	Free Nitro V0 (NICHT ÖFFNEN).exe	28
PID 2368 wrote to memory of 2796	2368	cmd.exe	30
PID 2368 wrote to memory of 2796	2368	cmd.exe	30
PID 2368 wrote to memory of 2796	2368	cmd.exe	30
PID 2368 wrote to memory of 2796	2368	cmd.exe	30

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:2032
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2796

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/2032-0-0x000000007480E000-0x000000007480F000-memory.dmp

Filesize
4KB

Download
memory/2032-1-0x0000000000C30000-0x0000000000C46000-memory.dmp

Filesize
88KB

Download
memory/2032-2-0x0000000074800000-0x0000000074EEE000-memory.dmp

Filesize
6.9MB

Download
memory/2032-58-0x000000007480E000-0x000000007480F000-memory.dmp

Filesize
4KB

Download
memory/2032-64-0x0000000074800000-0x0000000074EEE000-memory.dmp

Filesize
6.9MB

Download
memory/2032-92-0x0000000074800000-0x0000000074EEE000-memory.dmp

Filesize
6.9MB

Download
memory/2032-93-0x0000000074800000-0x0000000074EEE000-memory.dmp

Filesize
6.9MB

Download