nitro | 58bd3bfdd4b83aaa9f723ee5c4a5d22b434074d7ad03f4729aba8ca7d6bb4cba

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
23-07-2023 02:49

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General

Target

DiscordNitroGen.exe
Size

60KB
MD5

1086e604bdc2930920fcb35f8237522c
SHA1

b5219f22e37266ecc867cc6ea8af22a4e18ba5e2
SHA256

58bd3bfdd4b83aaa9f723ee5c4a5d22b434074d7ad03f4729aba8ca7d6bb4cba
SHA512

68ac7fc8603ebc209c906385c1f80bb266ce238711e3cd667559265f83a378da0ae0a5653f9027e1ac3c20f7c792a60efa8ccc0da1ef09051bc359dd214b36fc
SSDEEP

768:ZOucKn7n1JGDfANIUIJ8LDwUzc80gmq3oP/oDT:ZO2GDfAPJr/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
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-1-5-21-2969888527-3102471180-2307688834-1000\Software\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\DiscordNitroGen.exe\""	DiscordNitroGen.exe

Drops desktop.ini file(s) 3 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	DiscordNitroGen.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	DiscordNitroGen.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	DiscordNitroGen.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
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-1-5-21-2969888527-3102471180-2307688834-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg"	DiscordNitroGen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	DiscordNitroGen.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2652	DiscordNitroGen.exe
2652	DiscordNitroGen.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeDebugPrivilege	2652	DiscordNitroGen.exe
Token: SeIncreaseQuotaPrivilege	2624	WMIC.exe
Token: SeSecurityPrivilege	2624	WMIC.exe
Token: SeTakeOwnershipPrivilege	2624	WMIC.exe
Token: SeLoadDriverPrivilege	2624	WMIC.exe
Token: SeSystemProfilePrivilege	2624	WMIC.exe
Token: SeSystemtimePrivilege	2624	WMIC.exe
Token: SeProfSingleProcessPrivilege	2624	WMIC.exe
Token: SeIncBasePriorityPrivilege	2624	WMIC.exe
Token: SeCreatePagefilePrivilege	2624	WMIC.exe
Token: SeBackupPrivilege	2624	WMIC.exe
Token: SeRestorePrivilege	2624	WMIC.exe
Token: SeShutdownPrivilege	2624	WMIC.exe
Token: SeDebugPrivilege	2624	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2624	WMIC.exe
Token: SeRemoteShutdownPrivilege	2624	WMIC.exe
Token: SeUndockPrivilege	2624	WMIC.exe
Token: SeManageVolumePrivilege	2624	WMIC.exe
Token: 33	2624	WMIC.exe
Token: 34	2624	WMIC.exe
Token: 35	2624	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2624	WMIC.exe
Token: SeSecurityPrivilege	2624	WMIC.exe
Token: SeTakeOwnershipPrivilege	2624	WMIC.exe
Token: SeLoadDriverPrivilege	2624	WMIC.exe
Token: SeSystemProfilePrivilege	2624	WMIC.exe
Token: SeSystemtimePrivilege	2624	WMIC.exe
Token: SeProfSingleProcessPrivilege	2624	WMIC.exe
Token: SeIncBasePriorityPrivilege	2624	WMIC.exe
Token: SeCreatePagefilePrivilege	2624	WMIC.exe
Token: SeBackupPrivilege	2624	WMIC.exe
Token: SeRestorePrivilege	2624	WMIC.exe
Token: SeShutdownPrivilege	2624	WMIC.exe
Token: SeDebugPrivilege	2624	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2624	WMIC.exe
Token: SeRemoteShutdownPrivilege	2624	WMIC.exe
Token: SeUndockPrivilege	2624	WMIC.exe
Token: SeManageVolumePrivilege	2624	WMIC.exe
Token: 33	2624	WMIC.exe
Token: 34	2624	WMIC.exe
Token: 35	2624	WMIC.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 2612	2652	DiscordNitroGen.exe	28
PID 2652 wrote to memory of 2612	2652	DiscordNitroGen.exe	28
PID 2652 wrote to memory of 2612	2652	DiscordNitroGen.exe	28
PID 2652 wrote to memory of 2612	2652	DiscordNitroGen.exe	28
PID 2612 wrote to memory of 2624	2612	cmd.exe	30
PID 2612 wrote to memory of 2624	2612	cmd.exe	30
PID 2612 wrote to memory of 2624	2612	cmd.exe	30
PID 2612 wrote to memory of 2624	2612	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\DiscordNitroGen.exe
"C:\Users\Admin\AppData\Local\Temp\DiscordNitroGen.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:2652
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2612
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2624

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/2652-54-0x0000000001130000-0x0000000001146000-memory.dmp

Filesize
88KB

Download
memory/2652-55-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/2652-56-0x0000000004C90000-0x0000000004CD0000-memory.dmp

Filesize
256KB

Download
memory/2652-65-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/2652-71-0x0000000004C90000-0x0000000004CD0000-memory.dmp

Filesize
256KB

Download
memory/2652-161-0x0000000004C90000-0x0000000004CD0000-memory.dmp

Filesize
256KB

Download
memory/2652-162-0x0000000004C90000-0x0000000004CD0000-memory.dmp

Filesize
256KB

Download