nitro | 602908a365ea6602535c825d2b7423ecb4a4ce5597b3114be289794a7a54d7ca

Analysis

max time kernel
142s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-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 (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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\8e6c0da213c278e63ae692a8dafe15e9.exe\""	8e6c0da213c278e63ae692a8dafe15e9.exe

Drops desktop.ini file(s) 5 IoCs

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

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

Web Service

T1102

flow	ioc
20	discord.com
48	discord.com
13	discord.com
14	discord.com
18	discord.com
19	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
8	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-1-5-21-983843758-932321429-1636175382-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	8e6c0da213c278e63ae692a8dafe15e9.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
912	4332	WerFault.exe	83
4536	4332	WerFault.exe	83

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4332	8e6c0da213c278e63ae692a8dafe15e9.exe
4332	8e6c0da213c278e63ae692a8dafe15e9.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	4332	8e6c0da213c278e63ae692a8dafe15e9.exe
Token: SeIncreaseQuotaPrivilege	764	WMIC.exe
Token: SeSecurityPrivilege	764	WMIC.exe
Token: SeTakeOwnershipPrivilege	764	WMIC.exe
Token: SeLoadDriverPrivilege	764	WMIC.exe
Token: SeSystemProfilePrivilege	764	WMIC.exe
Token: SeSystemtimePrivilege	764	WMIC.exe
Token: SeProfSingleProcessPrivilege	764	WMIC.exe
Token: SeIncBasePriorityPrivilege	764	WMIC.exe
Token: SeCreatePagefilePrivilege	764	WMIC.exe
Token: SeBackupPrivilege	764	WMIC.exe
Token: SeRestorePrivilege	764	WMIC.exe
Token: SeShutdownPrivilege	764	WMIC.exe
Token: SeDebugPrivilege	764	WMIC.exe
Token: SeSystemEnvironmentPrivilege	764	WMIC.exe
Token: SeRemoteShutdownPrivilege	764	WMIC.exe
Token: SeUndockPrivilege	764	WMIC.exe
Token: SeManageVolumePrivilege	764	WMIC.exe
Token: 33	764	WMIC.exe
Token: 34	764	WMIC.exe
Token: 35	764	WMIC.exe
Token: 36	764	WMIC.exe
Token: SeIncreaseQuotaPrivilege	764	WMIC.exe
Token: SeSecurityPrivilege	764	WMIC.exe
Token: SeTakeOwnershipPrivilege	764	WMIC.exe
Token: SeLoadDriverPrivilege	764	WMIC.exe
Token: SeSystemProfilePrivilege	764	WMIC.exe
Token: SeSystemtimePrivilege	764	WMIC.exe
Token: SeProfSingleProcessPrivilege	764	WMIC.exe
Token: SeIncBasePriorityPrivilege	764	WMIC.exe
Token: SeCreatePagefilePrivilege	764	WMIC.exe
Token: SeBackupPrivilege	764	WMIC.exe
Token: SeRestorePrivilege	764	WMIC.exe
Token: SeShutdownPrivilege	764	WMIC.exe
Token: SeDebugPrivilege	764	WMIC.exe
Token: SeSystemEnvironmentPrivilege	764	WMIC.exe
Token: SeRemoteShutdownPrivilege	764	WMIC.exe
Token: SeUndockPrivilege	764	WMIC.exe
Token: SeManageVolumePrivilege	764	WMIC.exe
Token: 33	764	WMIC.exe
Token: 34	764	WMIC.exe
Token: 35	764	WMIC.exe
Token: 36	764	WMIC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4332 wrote to memory of 4468	4332	8e6c0da213c278e63ae692a8dafe15e9.exe	84
PID 4332 wrote to memory of 4468	4332	8e6c0da213c278e63ae692a8dafe15e9.exe	84
PID 4332 wrote to memory of 4468	4332	8e6c0da213c278e63ae692a8dafe15e9.exe	84
PID 4468 wrote to memory of 764	4468	cmd.exe	86
PID 4468 wrote to memory of 764	4468	cmd.exe	86
PID 4468 wrote to memory of 764	4468	cmd.exe	86

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:4332
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4468
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:764
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 2172
  2⤵
  - Program crash
  PID:912
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 2192
  2⤵
  - Program crash
  PID:4536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4332 -ip 4332
1⤵
PID:2612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4332 -ip 4332
1⤵
PID:1700

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/4332-0-0x0000000000550000-0x0000000000566000-memory.dmp

Filesize
88KB

Download
memory/4332-1-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/4332-2-0x0000000005400000-0x00000000059A4000-memory.dmp

Filesize
5.6MB

Download
memory/4332-3-0x0000000004F40000-0x0000000004FD2000-memory.dmp

Filesize
584KB

Download
memory/4332-4-0x0000000005210000-0x0000000005220000-memory.dmp

Filesize
64KB

Download
memory/4332-39-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/4332-45-0x0000000005210000-0x0000000005220000-memory.dmp

Filesize
64KB

Download
memory/4332-90-0x0000000005CE0000-0x0000000005CEA000-memory.dmp

Filesize
40KB

Download
memory/4332-91-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download