nitro | 7e9a5036fe2c20513b4fc397b1c0a4ef51377cc88b462f42650a14c953a16bd6

Analysis

max time kernel
90s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
12-02-2024 23:06

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

97d8e6f4f1b8eb550dc3bddbb248b517.exe
Size

61KB
MD5

97d8e6f4f1b8eb550dc3bddbb248b517
SHA1

3f86d5392f592da72adfbddd00114dd5c84402d7
SHA256

7e9a5036fe2c20513b4fc397b1c0a4ef51377cc88b462f42650a14c953a16bd6
SHA512

05ce0112445c4ae61abb48e21ad4bafb3fe38f6b6d0fab9bf6d1ec56f2e4bdcdbee594e1ac00670421e3cbd4bbcd27fbec6971384102376999f5d94074a57950
SSDEEP

768:xKsMqCXfVcWO/M9ZkiANIUyyYLDwUzc80gmq3oP/oDw:xKseiM9ZkiAP2r/0O8/oE

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 (81) 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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\97d8e6f4f1b8eb550dc3bddbb248b517.exe\""	97d8e6f4f1b8eb550dc3bddbb248b517.exe

Drops desktop.ini file(s) 5 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	97d8e6f4f1b8eb550dc3bddbb248b517.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	97d8e6f4f1b8eb550dc3bddbb248b517.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	97d8e6f4f1b8eb550dc3bddbb248b517.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	97d8e6f4f1b8eb550dc3bddbb248b517.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	97d8e6f4f1b8eb550dc3bddbb248b517.exe

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

Web Service

T1102

flow	ioc
17	discord.com
21	discord.com
39	discord.com
12	discord.com
14	discord.com
16	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
7	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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	97d8e6f4f1b8eb550dc3bddbb248b517.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4416	2312	WerFault.exe	83
3240	2312	WerFault.exe	83

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2312	97d8e6f4f1b8eb550dc3bddbb248b517.exe
2312	97d8e6f4f1b8eb550dc3bddbb248b517.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	2312	97d8e6f4f1b8eb550dc3bddbb248b517.exe
Token: SeIncreaseQuotaPrivilege	3888	WMIC.exe
Token: SeSecurityPrivilege	3888	WMIC.exe
Token: SeTakeOwnershipPrivilege	3888	WMIC.exe
Token: SeLoadDriverPrivilege	3888	WMIC.exe
Token: SeSystemProfilePrivilege	3888	WMIC.exe
Token: SeSystemtimePrivilege	3888	WMIC.exe
Token: SeProfSingleProcessPrivilege	3888	WMIC.exe
Token: SeIncBasePriorityPrivilege	3888	WMIC.exe
Token: SeCreatePagefilePrivilege	3888	WMIC.exe
Token: SeBackupPrivilege	3888	WMIC.exe
Token: SeRestorePrivilege	3888	WMIC.exe
Token: SeShutdownPrivilege	3888	WMIC.exe
Token: SeDebugPrivilege	3888	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3888	WMIC.exe
Token: SeRemoteShutdownPrivilege	3888	WMIC.exe
Token: SeUndockPrivilege	3888	WMIC.exe
Token: SeManageVolumePrivilege	3888	WMIC.exe
Token: 33	3888	WMIC.exe
Token: 34	3888	WMIC.exe
Token: 35	3888	WMIC.exe
Token: 36	3888	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3888	WMIC.exe
Token: SeSecurityPrivilege	3888	WMIC.exe
Token: SeTakeOwnershipPrivilege	3888	WMIC.exe
Token: SeLoadDriverPrivilege	3888	WMIC.exe
Token: SeSystemProfilePrivilege	3888	WMIC.exe
Token: SeSystemtimePrivilege	3888	WMIC.exe
Token: SeProfSingleProcessPrivilege	3888	WMIC.exe
Token: SeIncBasePriorityPrivilege	3888	WMIC.exe
Token: SeCreatePagefilePrivilege	3888	WMIC.exe
Token: SeBackupPrivilege	3888	WMIC.exe
Token: SeRestorePrivilege	3888	WMIC.exe
Token: SeShutdownPrivilege	3888	WMIC.exe
Token: SeDebugPrivilege	3888	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3888	WMIC.exe
Token: SeRemoteShutdownPrivilege	3888	WMIC.exe
Token: SeUndockPrivilege	3888	WMIC.exe
Token: SeManageVolumePrivilege	3888	WMIC.exe
Token: 33	3888	WMIC.exe
Token: 34	3888	WMIC.exe
Token: 35	3888	WMIC.exe
Token: 36	3888	WMIC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 1140	2312	97d8e6f4f1b8eb550dc3bddbb248b517.exe	85
PID 2312 wrote to memory of 1140	2312	97d8e6f4f1b8eb550dc3bddbb248b517.exe	85
PID 2312 wrote to memory of 1140	2312	97d8e6f4f1b8eb550dc3bddbb248b517.exe	85
PID 1140 wrote to memory of 3888	1140	cmd.exe	86
PID 1140 wrote to memory of 3888	1140	cmd.exe	86
PID 1140 wrote to memory of 3888	1140	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\97d8e6f4f1b8eb550dc3bddbb248b517.exe
"C:\Users\Admin\AppData\Local\Temp\97d8e6f4f1b8eb550dc3bddbb248b517.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:2312
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1140
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3888
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 1080
  2⤵
  - Program crash
  PID:4416
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 1080
  2⤵
  - Program crash
  PID:3240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2312 -ip 2312
1⤵
PID:2464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2312 -ip 2312
1⤵
PID:2280

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/2312-0-0x0000000000640000-0x0000000000656000-memory.dmp

Filesize
88KB

Download
memory/2312-1-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/2312-2-0x00000000054F0000-0x0000000005A94000-memory.dmp

Filesize
5.6MB

Download
memory/2312-3-0x0000000005040000-0x00000000050D2000-memory.dmp

Filesize
584KB

Download
memory/2312-4-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

Filesize
64KB

Download
memory/2312-41-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/2312-46-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

Filesize
64KB

Download
memory/2312-90-0x00000000068D0000-0x00000000068DA000-memory.dmp

Filesize
40KB

Download
memory/2312-91-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download