nitro | 602908a365ea6602535c825d2b7423ecb4a4ce5597b3114be289794a7a54d7ca

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04-02-2024 06:14

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General

Target

8e6c0da213c278e63ae692a8dafe15e9.exe
Size

60KB
MD5

8e6c0da213c278e63ae692a8dafe15e9
SHA1

f8e74cbbb667e0d60699e7b19ce4b688a468f082
SHA256

602908a365ea6602535c825d2b7423ecb4a4ce5597b3114be289794a7a54d7ca
SHA512

09d7d811aa5d1bf9414417bc6cd5e45758ca0e47e172e8b8c65c16e390d6641a5b59dcb01737425ce840075e81da382cea744bcde185070a862164de92fae3f1
SSDEEP

768:POucKn7n1JGDNANIUqLyovLDwUzc80gmq3oP/oDas:PO2GDNAPquer/0O8/oF

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 (67) 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-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\8e6c0da213c278e63ae692a8dafe15e9.exe\""	8e6c0da213c278e63ae692a8dafe15e9.exe

Drops desktop.ini file(s) 3 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	8e6c0da213c278e63ae692a8dafe15e9.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	8e6c0da213c278e63ae692a8dafe15e9.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	8e6c0da213c278e63ae692a8dafe15e9.exe

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

Web Service

T1102

flow	ioc
10	discord.com
11	discord.com
6	discord.com
7	discord.com
8	discord.com
9	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-1-5-21-3308111660-3636268597-2291490419-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	8e6c0da213c278e63ae692a8dafe15e9.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg"	8e6c0da213c278e63ae692a8dafe15e9.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
828	8e6c0da213c278e63ae692a8dafe15e9.exe
828	8e6c0da213c278e63ae692a8dafe15e9.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeDebugPrivilege	828	8e6c0da213c278e63ae692a8dafe15e9.exe
Token: SeIncreaseQuotaPrivilege	2668	WMIC.exe
Token: SeSecurityPrivilege	2668	WMIC.exe
Token: SeTakeOwnershipPrivilege	2668	WMIC.exe
Token: SeLoadDriverPrivilege	2668	WMIC.exe
Token: SeSystemProfilePrivilege	2668	WMIC.exe
Token: SeSystemtimePrivilege	2668	WMIC.exe
Token: SeProfSingleProcessPrivilege	2668	WMIC.exe
Token: SeIncBasePriorityPrivilege	2668	WMIC.exe
Token: SeCreatePagefilePrivilege	2668	WMIC.exe
Token: SeBackupPrivilege	2668	WMIC.exe
Token: SeRestorePrivilege	2668	WMIC.exe
Token: SeShutdownPrivilege	2668	WMIC.exe
Token: SeDebugPrivilege	2668	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2668	WMIC.exe
Token: SeRemoteShutdownPrivilege	2668	WMIC.exe
Token: SeUndockPrivilege	2668	WMIC.exe
Token: SeManageVolumePrivilege	2668	WMIC.exe
Token: 33	2668	WMIC.exe
Token: 34	2668	WMIC.exe
Token: 35	2668	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2668	WMIC.exe
Token: SeSecurityPrivilege	2668	WMIC.exe
Token: SeTakeOwnershipPrivilege	2668	WMIC.exe
Token: SeLoadDriverPrivilege	2668	WMIC.exe
Token: SeSystemProfilePrivilege	2668	WMIC.exe
Token: SeSystemtimePrivilege	2668	WMIC.exe
Token: SeProfSingleProcessPrivilege	2668	WMIC.exe
Token: SeIncBasePriorityPrivilege	2668	WMIC.exe
Token: SeCreatePagefilePrivilege	2668	WMIC.exe
Token: SeBackupPrivilege	2668	WMIC.exe
Token: SeRestorePrivilege	2668	WMIC.exe
Token: SeShutdownPrivilege	2668	WMIC.exe
Token: SeDebugPrivilege	2668	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2668	WMIC.exe
Token: SeRemoteShutdownPrivilege	2668	WMIC.exe
Token: SeUndockPrivilege	2668	WMIC.exe
Token: SeManageVolumePrivilege	2668	WMIC.exe
Token: 33	2668	WMIC.exe
Token: 34	2668	WMIC.exe
Token: 35	2668	WMIC.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 828 wrote to memory of 2552	828	8e6c0da213c278e63ae692a8dafe15e9.exe	28
PID 828 wrote to memory of 2552	828	8e6c0da213c278e63ae692a8dafe15e9.exe	28
PID 828 wrote to memory of 2552	828	8e6c0da213c278e63ae692a8dafe15e9.exe	28
PID 828 wrote to memory of 2552	828	8e6c0da213c278e63ae692a8dafe15e9.exe	28
PID 2552 wrote to memory of 2668	2552	cmd.exe	30
PID 2552 wrote to memory of 2668	2552	cmd.exe	30
PID 2552 wrote to memory of 2668	2552	cmd.exe	30
PID 2552 wrote to memory of 2668	2552	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\8e6c0da213c278e63ae692a8dafe15e9.exe
"C:\Users\Admin\AppData\Local\Temp\8e6c0da213c278e63ae692a8dafe15e9.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:828
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2552
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2668

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/828-0-0x0000000000BE0000-0x0000000000BF6000-memory.dmp

Filesize
88KB

Download
memory/828-1-0x00000000749C0000-0x00000000750AE000-memory.dmp

Filesize
6.9MB

Download
memory/828-2-0x0000000000510000-0x0000000000550000-memory.dmp

Filesize
256KB

Download
memory/828-43-0x00000000749C0000-0x00000000750AE000-memory.dmp

Filesize
6.9MB

Download
memory/828-74-0x0000000000510000-0x0000000000550000-memory.dmp

Filesize
256KB

Download
memory/828-75-0x0000000000510000-0x0000000000550000-memory.dmp

Filesize
256KB

Download