nitro | a38318931bf23ba293888c2685d85b3cb376d86ca16d3348f7f5ed57165ac1a8

Analysis

max time kernel
144s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-11-2024 05:53

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General

Target

8f7cbd3b6294a51d05d845817a537c12_JaffaCakes118.exe
Size

2.2MB
MD5

8f7cbd3b6294a51d05d845817a537c12
SHA1

f8111013086ed399ca719f7ae1971b647791832e
SHA256

a38318931bf23ba293888c2685d85b3cb376d86ca16d3348f7f5ed57165ac1a8
SHA512

9759316db3b0b76e4ea97a40633f83800bed52433f803b195bae27282a98b877b94dae9fb832da87ab279876bcbe60a5dd23d97aefece3d9f7cd00fd39f31898
SSDEEP

49152:dcAVHF/hLAkvUG0M7tRUlCnlSNPMzEvmhzQ9QJmqpcg5INw/8hPBTLF39:dNhLAybDRXY0zQS7crNdhPL3

Score

10^/10

nitro discovery persistence ransomware spyware stealer

Malware Config

Signatures

Nitro
A ransomware that demands Discord nitro gift codes to decrypt files.
ransomware nitro
Nitro family
nitro
Renames multiple (94) 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 3 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

Credentials from Web Browsers
T1555.003

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\8f7cbd3b6294a51d05d845817a537c12_JaffaCakes118.exe\""	8f7cbd3b6294a51d05d845817a537c12_JaffaCakes118.exe

Drops desktop.ini file(s) 3 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Documents\desktop.ini	8f7cbd3b6294a51d05d845817a537c12_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	8f7cbd3b6294a51d05d845817a537c12_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	8f7cbd3b6294a51d05d845817a537c12_JaffaCakes118.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 7 IoCs

Web Service

T1102

flow	ioc
6	discord.com
7	discord.com
8	discord.com
9	discord.com
10	discord.com
11	discord.com
12	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
5	api.ipify.org
4	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-1-5-21-4177215427-74451935-3209572229-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	8f7cbd3b6294a51d05d845817a537c12_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg"	8f7cbd3b6294a51d05d845817a537c12_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8f7cbd3b6294a51d05d845817a537c12_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WMIC.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2256	8f7cbd3b6294a51d05d845817a537c12_JaffaCakes118.exe
2256	8f7cbd3b6294a51d05d845817a537c12_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeDebugPrivilege	2256	8f7cbd3b6294a51d05d845817a537c12_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2332	WMIC.exe
Token: SeSecurityPrivilege	2332	WMIC.exe
Token: SeTakeOwnershipPrivilege	2332	WMIC.exe
Token: SeLoadDriverPrivilege	2332	WMIC.exe
Token: SeSystemProfilePrivilege	2332	WMIC.exe
Token: SeSystemtimePrivilege	2332	WMIC.exe
Token: SeProfSingleProcessPrivilege	2332	WMIC.exe
Token: SeIncBasePriorityPrivilege	2332	WMIC.exe
Token: SeCreatePagefilePrivilege	2332	WMIC.exe
Token: SeBackupPrivilege	2332	WMIC.exe
Token: SeRestorePrivilege	2332	WMIC.exe
Token: SeShutdownPrivilege	2332	WMIC.exe
Token: SeDebugPrivilege	2332	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2332	WMIC.exe
Token: SeRemoteShutdownPrivilege	2332	WMIC.exe
Token: SeUndockPrivilege	2332	WMIC.exe
Token: SeManageVolumePrivilege	2332	WMIC.exe
Token: 33	2332	WMIC.exe
Token: 34	2332	WMIC.exe
Token: 35	2332	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2332	WMIC.exe
Token: SeSecurityPrivilege	2332	WMIC.exe
Token: SeTakeOwnershipPrivilege	2332	WMIC.exe
Token: SeLoadDriverPrivilege	2332	WMIC.exe
Token: SeSystemProfilePrivilege	2332	WMIC.exe
Token: SeSystemtimePrivilege	2332	WMIC.exe
Token: SeProfSingleProcessPrivilege	2332	WMIC.exe
Token: SeIncBasePriorityPrivilege	2332	WMIC.exe
Token: SeCreatePagefilePrivilege	2332	WMIC.exe
Token: SeBackupPrivilege	2332	WMIC.exe
Token: SeRestorePrivilege	2332	WMIC.exe
Token: SeShutdownPrivilege	2332	WMIC.exe
Token: SeDebugPrivilege	2332	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2332	WMIC.exe
Token: SeRemoteShutdownPrivilege	2332	WMIC.exe
Token: SeUndockPrivilege	2332	WMIC.exe
Token: SeManageVolumePrivilege	2332	WMIC.exe
Token: 33	2332	WMIC.exe
Token: 34	2332	WMIC.exe
Token: 35	2332	WMIC.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2480	2256	8f7cbd3b6294a51d05d845817a537c12_JaffaCakes118.exe	31
PID 2256 wrote to memory of 2480	2256	8f7cbd3b6294a51d05d845817a537c12_JaffaCakes118.exe	31
PID 2256 wrote to memory of 2480	2256	8f7cbd3b6294a51d05d845817a537c12_JaffaCakes118.exe	31
PID 2256 wrote to memory of 2480	2256	8f7cbd3b6294a51d05d845817a537c12_JaffaCakes118.exe	31
PID 2480 wrote to memory of 2332	2480	cmd.exe	33
PID 2480 wrote to memory of 2332	2480	cmd.exe	33
PID 2480 wrote to memory of 2332	2480	cmd.exe	33
PID 2480 wrote to memory of 2332	2480	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\8f7cbd3b6294a51d05d845817a537c12_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8f7cbd3b6294a51d05d845817a537c12_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2480
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2332

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

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/2256-0-0x0000000073FEE000-0x0000000073FEF000-memory.dmp

Filesize
4KB

Download
memory/2256-1-0x0000000000220000-0x0000000000460000-memory.dmp

Filesize
2.2MB

Download
memory/2256-2-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download
memory/2256-17-0x0000000073FEE000-0x0000000073FEF000-memory.dmp

Filesize
4KB

Download
memory/2256-23-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download
memory/2256-102-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download
memory/2256-103-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download