nitro | 42af7f7d66dfbbe25f515cdc5eeb118e30849f343c0f69b673c4aebd30f6fd56

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2024 14:49

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General

Target

cd92652e488f7b34b06243001708634a_JaffaCakes118.exe
Size

61KB
MD5

cd92652e488f7b34b06243001708634a
SHA1

fb5f3022b802b589fd406676bed5b54b9089d4e9
SHA256

42af7f7d66dfbbe25f515cdc5eeb118e30849f343c0f69b673c4aebd30f6fd56
SHA512

7e94f40b6f0d0e14efeafe7abfabe90a7d0a3c0e3d1a05764930f3babf5a8544a57e3339877f861fda175fb7246a8e725a4acfd3d6800aa99890dda543186d0a
SSDEEP

768:OJ+uiBAYleAF7LDwUzc8Ugmq3oP/oD7buBApANI4n2yV:OJfAF7r/UO8/oX6QAx5

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 (79) 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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\cd92652e488f7b34b06243001708634a_JaffaCakes118.exe\""	cd92652e488f7b34b06243001708634a_JaffaCakes118.exe

Drops desktop.ini file(s) 5 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Documents\desktop.ini	cd92652e488f7b34b06243001708634a_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	cd92652e488f7b34b06243001708634a_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	cd92652e488f7b34b06243001708634a_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	cd92652e488f7b34b06243001708634a_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	cd92652e488f7b34b06243001708634a_JaffaCakes118.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
6	api.ipify.org
9	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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	cd92652e488f7b34b06243001708634a_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	cd92652e488f7b34b06243001708634a_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
4980	cd92652e488f7b34b06243001708634a_JaffaCakes118.exe
4980	cd92652e488f7b34b06243001708634a_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	4980	cd92652e488f7b34b06243001708634a_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	520	WMIC.exe
Token: SeSecurityPrivilege	520	WMIC.exe
Token: SeTakeOwnershipPrivilege	520	WMIC.exe
Token: SeLoadDriverPrivilege	520	WMIC.exe
Token: SeSystemProfilePrivilege	520	WMIC.exe
Token: SeSystemtimePrivilege	520	WMIC.exe
Token: SeProfSingleProcessPrivilege	520	WMIC.exe
Token: SeIncBasePriorityPrivilege	520	WMIC.exe
Token: SeCreatePagefilePrivilege	520	WMIC.exe
Token: SeBackupPrivilege	520	WMIC.exe
Token: SeRestorePrivilege	520	WMIC.exe
Token: SeShutdownPrivilege	520	WMIC.exe
Token: SeDebugPrivilege	520	WMIC.exe
Token: SeSystemEnvironmentPrivilege	520	WMIC.exe
Token: SeRemoteShutdownPrivilege	520	WMIC.exe
Token: SeUndockPrivilege	520	WMIC.exe
Token: SeManageVolumePrivilege	520	WMIC.exe
Token: 33	520	WMIC.exe
Token: 34	520	WMIC.exe
Token: 35	520	WMIC.exe
Token: 36	520	WMIC.exe
Token: SeIncreaseQuotaPrivilege	520	WMIC.exe
Token: SeSecurityPrivilege	520	WMIC.exe
Token: SeTakeOwnershipPrivilege	520	WMIC.exe
Token: SeLoadDriverPrivilege	520	WMIC.exe
Token: SeSystemProfilePrivilege	520	WMIC.exe
Token: SeSystemtimePrivilege	520	WMIC.exe
Token: SeProfSingleProcessPrivilege	520	WMIC.exe
Token: SeIncBasePriorityPrivilege	520	WMIC.exe
Token: SeCreatePagefilePrivilege	520	WMIC.exe
Token: SeBackupPrivilege	520	WMIC.exe
Token: SeRestorePrivilege	520	WMIC.exe
Token: SeShutdownPrivilege	520	WMIC.exe
Token: SeDebugPrivilege	520	WMIC.exe
Token: SeSystemEnvironmentPrivilege	520	WMIC.exe
Token: SeRemoteShutdownPrivilege	520	WMIC.exe
Token: SeUndockPrivilege	520	WMIC.exe
Token: SeManageVolumePrivilege	520	WMIC.exe
Token: 33	520	WMIC.exe
Token: 34	520	WMIC.exe
Token: 35	520	WMIC.exe
Token: 36	520	WMIC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4980 wrote to memory of 1388	4980	cd92652e488f7b34b06243001708634a_JaffaCakes118.exe	82
PID 4980 wrote to memory of 1388	4980	cd92652e488f7b34b06243001708634a_JaffaCakes118.exe	82
PID 4980 wrote to memory of 1388	4980	cd92652e488f7b34b06243001708634a_JaffaCakes118.exe	82
PID 1388 wrote to memory of 520	1388	cmd.exe	84
PID 1388 wrote to memory of 520	1388	cmd.exe	84
PID 1388 wrote to memory of 520	1388	cmd.exe	84

C:\Users\Admin\AppData\Local\Temp\cd92652e488f7b34b06243001708634a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cd92652e488f7b34b06243001708634a_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:4980
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1388
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:520

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

Exfiltration

Impact

Defacement

T1491

Replay Monitor

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Downloads

memory/4980-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

Filesize
4KB

Download
memory/4980-1-0x0000000000C70000-0x0000000000C86000-memory.dmp

Filesize
88KB

Download
memory/4980-2-0x0000000005B00000-0x00000000060A4000-memory.dmp

Filesize
5.6MB

Download
memory/4980-3-0x0000000005630000-0x00000000056C2000-memory.dmp

Filesize
584KB

Download
memory/4980-4-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4980-21-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

Filesize
4KB

Download
memory/4980-24-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4980-88-0x00000000063A0000-0x00000000063AA000-memory.dmp

Filesize
40KB

Download
memory/4980-89-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4980-90-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4980-91-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4980-92-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download