nitro | 9e74dd5256ef30c2f3a8bef17e8af61869ddb9dc911754d619575a3e539c99f1

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18-01-2024 00:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

64098b0feaebbe2746fe5e1b0a395e77.exe
Size

61KB
MD5

64098b0feaebbe2746fe5e1b0a395e77
SHA1

dd12d8776f8a2659490e85378562d23b093f14fd
SHA256

9e74dd5256ef30c2f3a8bef17e8af61869ddb9dc911754d619575a3e539c99f1
SHA512

a69cd7eb48c25b230940b6158bc4c1cf7b1d4621170581e470b02b2c171596bb4feb4f9b744212f194d56f2b3e42e863cc949388f3ddb6ace6ad0bdc15b266c8
SSDEEP

768:JKsMqCXfVcWp3M9ZkiANIUZd9YLDwUzc80gmq3oP/oDs:JKse1M9ZkiAPZEr/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 (104) 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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\64098b0feaebbe2746fe5e1b0a395e77.exe\""	64098b0feaebbe2746fe5e1b0a395e77.exe

Drops desktop.ini file(s) 5 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Documents\desktop.ini	64098b0feaebbe2746fe5e1b0a395e77.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	64098b0feaebbe2746fe5e1b0a395e77.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	64098b0feaebbe2746fe5e1b0a395e77.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	64098b0feaebbe2746fe5e1b0a395e77.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	64098b0feaebbe2746fe5e1b0a395e77.exe

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 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	64098b0feaebbe2746fe5e1b0a395e77.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3104	4024	WerFault.exe	74
1616	4024	WerFault.exe	74

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4024	64098b0feaebbe2746fe5e1b0a395e77.exe
4024	64098b0feaebbe2746fe5e1b0a395e77.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	4024	64098b0feaebbe2746fe5e1b0a395e77.exe
Token: SeIncreaseQuotaPrivilege	4848	WMIC.exe
Token: SeSecurityPrivilege	4848	WMIC.exe
Token: SeTakeOwnershipPrivilege	4848	WMIC.exe
Token: SeLoadDriverPrivilege	4848	WMIC.exe
Token: SeSystemProfilePrivilege	4848	WMIC.exe
Token: SeSystemtimePrivilege	4848	WMIC.exe
Token: SeProfSingleProcessPrivilege	4848	WMIC.exe
Token: SeIncBasePriorityPrivilege	4848	WMIC.exe
Token: SeCreatePagefilePrivilege	4848	WMIC.exe
Token: SeBackupPrivilege	4848	WMIC.exe
Token: SeRestorePrivilege	4848	WMIC.exe
Token: SeShutdownPrivilege	4848	WMIC.exe
Token: SeDebugPrivilege	4848	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4848	WMIC.exe
Token: SeRemoteShutdownPrivilege	4848	WMIC.exe
Token: SeUndockPrivilege	4848	WMIC.exe
Token: SeManageVolumePrivilege	4848	WMIC.exe
Token: 33	4848	WMIC.exe
Token: 34	4848	WMIC.exe
Token: 35	4848	WMIC.exe
Token: 36	4848	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4848	WMIC.exe
Token: SeSecurityPrivilege	4848	WMIC.exe
Token: SeTakeOwnershipPrivilege	4848	WMIC.exe
Token: SeLoadDriverPrivilege	4848	WMIC.exe
Token: SeSystemProfilePrivilege	4848	WMIC.exe
Token: SeSystemtimePrivilege	4848	WMIC.exe
Token: SeProfSingleProcessPrivilege	4848	WMIC.exe
Token: SeIncBasePriorityPrivilege	4848	WMIC.exe
Token: SeCreatePagefilePrivilege	4848	WMIC.exe
Token: SeBackupPrivilege	4848	WMIC.exe
Token: SeRestorePrivilege	4848	WMIC.exe
Token: SeShutdownPrivilege	4848	WMIC.exe
Token: SeDebugPrivilege	4848	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4848	WMIC.exe
Token: SeRemoteShutdownPrivilege	4848	WMIC.exe
Token: SeUndockPrivilege	4848	WMIC.exe
Token: SeManageVolumePrivilege	4848	WMIC.exe
Token: 33	4848	WMIC.exe
Token: 34	4848	WMIC.exe
Token: 35	4848	WMIC.exe
Token: 36	4848	WMIC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4024 wrote to memory of 3708	4024	64098b0feaebbe2746fe5e1b0a395e77.exe	88
PID 4024 wrote to memory of 3708	4024	64098b0feaebbe2746fe5e1b0a395e77.exe	88
PID 4024 wrote to memory of 3708	4024	64098b0feaebbe2746fe5e1b0a395e77.exe	88
PID 3708 wrote to memory of 4848	3708	cmd.exe	90
PID 3708 wrote to memory of 4848	3708	cmd.exe	90
PID 3708 wrote to memory of 4848	3708	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\64098b0feaebbe2746fe5e1b0a395e77.exe
"C:\Users\Admin\AppData\Local\Temp\64098b0feaebbe2746fe5e1b0a395e77.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:4024
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3708
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4848
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4024 -s 2200
  2⤵
  - Program crash
  PID:3104
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4024 -s 2200
  2⤵
  - Program crash
  PID:1616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4024 -ip 4024
1⤵
PID:4904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4024 -ip 4024
1⤵
PID:4396

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

Exfiltration

Impact

Defacement

T1491

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4024-1-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/4024-0-0x0000000000220000-0x0000000000236000-memory.dmp

Filesize
88KB

Download
memory/4024-2-0x00000000050D0000-0x0000000005674000-memory.dmp

Filesize
5.6MB

Download
memory/4024-3-0x0000000004C20000-0x0000000004CB2000-memory.dmp

Filesize
584KB

Download
memory/4024-4-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

Filesize
64KB

Download
memory/4024-58-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/4024-64-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

Filesize
64KB

Download
memory/4024-113-0x0000000005970000-0x000000000597A000-memory.dmp

Filesize
40KB

Download
memory/4024-114-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download