nitro | 3f85f13eb1e75a7ca07a06707af2a69d2d534734be2b98cd951bdbbc4b1a38c7

Analysis

max time kernel
149s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2024 00:11

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General

Target

9eb71e5d0d58d3b454e88bf58bb8553b_JaffaCakes118.exe
Size

2.2MB
MD5

9eb71e5d0d58d3b454e88bf58bb8553b
SHA1

5d4ee9daa02e0e0152a583ee9dcd488c151e4800
SHA256

3f85f13eb1e75a7ca07a06707af2a69d2d534734be2b98cd951bdbbc4b1a38c7
SHA512

bb74c65949fea86767c900cf242955175a348d555c671b8584f2f9967637aa34c8b7945c1504e56a320147cae22b37e21eac0ec872b134305c5930d577a9e826
SSDEEP

49152:igVHF/hLAkvUG0M7tRUlCnlSNPMzEvmhzQ9QJmqpcg5INw/8hPBTLF3:ighLAybDRXY0zQS7crNdhPL3

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 (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 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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\9eb71e5d0d58d3b454e88bf58bb8553b_JaffaCakes118.exe\""	9eb71e5d0d58d3b454e88bf58bb8553b_JaffaCakes118.exe

Drops desktop.ini file(s) 5 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	9eb71e5d0d58d3b454e88bf58bb8553b_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	9eb71e5d0d58d3b454e88bf58bb8553b_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	9eb71e5d0d58d3b454e88bf58bb8553b_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	9eb71e5d0d58d3b454e88bf58bb8553b_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	9eb71e5d0d58d3b454e88bf58bb8553b_JaffaCakes118.exe

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

Web Service

T1102

flow	ioc
14	discord.com
15	discord.com
20	discord.com
21	discord.com
23	discord.com
35	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
8	api.ipify.org
10	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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	9eb71e5d0d58d3b454e88bf58bb8553b_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	9eb71e5d0d58d3b454e88bf58bb8553b_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
3940	9eb71e5d0d58d3b454e88bf58bb8553b_JaffaCakes118.exe
3940	9eb71e5d0d58d3b454e88bf58bb8553b_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	3940	9eb71e5d0d58d3b454e88bf58bb8553b_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4736	WMIC.exe
Token: SeSecurityPrivilege	4736	WMIC.exe
Token: SeTakeOwnershipPrivilege	4736	WMIC.exe
Token: SeLoadDriverPrivilege	4736	WMIC.exe
Token: SeSystemProfilePrivilege	4736	WMIC.exe
Token: SeSystemtimePrivilege	4736	WMIC.exe
Token: SeProfSingleProcessPrivilege	4736	WMIC.exe
Token: SeIncBasePriorityPrivilege	4736	WMIC.exe
Token: SeCreatePagefilePrivilege	4736	WMIC.exe
Token: SeBackupPrivilege	4736	WMIC.exe
Token: SeRestorePrivilege	4736	WMIC.exe
Token: SeShutdownPrivilege	4736	WMIC.exe
Token: SeDebugPrivilege	4736	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4736	WMIC.exe
Token: SeRemoteShutdownPrivilege	4736	WMIC.exe
Token: SeUndockPrivilege	4736	WMIC.exe
Token: SeManageVolumePrivilege	4736	WMIC.exe
Token: 33	4736	WMIC.exe
Token: 34	4736	WMIC.exe
Token: 35	4736	WMIC.exe
Token: 36	4736	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4736	WMIC.exe
Token: SeSecurityPrivilege	4736	WMIC.exe
Token: SeTakeOwnershipPrivilege	4736	WMIC.exe
Token: SeLoadDriverPrivilege	4736	WMIC.exe
Token: SeSystemProfilePrivilege	4736	WMIC.exe
Token: SeSystemtimePrivilege	4736	WMIC.exe
Token: SeProfSingleProcessPrivilege	4736	WMIC.exe
Token: SeIncBasePriorityPrivilege	4736	WMIC.exe
Token: SeCreatePagefilePrivilege	4736	WMIC.exe
Token: SeBackupPrivilege	4736	WMIC.exe
Token: SeRestorePrivilege	4736	WMIC.exe
Token: SeShutdownPrivilege	4736	WMIC.exe
Token: SeDebugPrivilege	4736	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4736	WMIC.exe
Token: SeRemoteShutdownPrivilege	4736	WMIC.exe
Token: SeUndockPrivilege	4736	WMIC.exe
Token: SeManageVolumePrivilege	4736	WMIC.exe
Token: 33	4736	WMIC.exe
Token: 34	4736	WMIC.exe
Token: 35	4736	WMIC.exe
Token: 36	4736	WMIC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 4284	3940	9eb71e5d0d58d3b454e88bf58bb8553b_JaffaCakes118.exe	83
PID 3940 wrote to memory of 4284	3940	9eb71e5d0d58d3b454e88bf58bb8553b_JaffaCakes118.exe	83
PID 3940 wrote to memory of 4284	3940	9eb71e5d0d58d3b454e88bf58bb8553b_JaffaCakes118.exe	83
PID 4284 wrote to memory of 4736	4284	cmd.exe	85
PID 4284 wrote to memory of 4736	4284	cmd.exe	85
PID 4284 wrote to memory of 4736	4284	cmd.exe	85

C:\Users\Admin\AppData\Local\Temp\9eb71e5d0d58d3b454e88bf58bb8553b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9eb71e5d0d58d3b454e88bf58bb8553b_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:3940
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4284
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:4736

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/3940-0-0x0000000074F6E000-0x0000000074F6F000-memory.dmp

Filesize
4KB

Download
memory/3940-1-0x0000000000340000-0x0000000000574000-memory.dmp

Filesize
2.2MB

Download
memory/3940-2-0x00000000053C0000-0x0000000005964000-memory.dmp

Filesize
5.6MB

Download
memory/3940-3-0x0000000004F10000-0x0000000004FA2000-memory.dmp

Filesize
584KB

Download
memory/3940-4-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/3940-21-0x0000000074F6E000-0x0000000074F6F000-memory.dmp

Filesize
4KB

Download
memory/3940-24-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/3940-90-0x0000000005CA0000-0x0000000005CAA000-memory.dmp

Filesize
40KB

Download
memory/3940-91-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/3940-92-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/3940-93-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/3940-94-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download