nitro | fd8b588e1ee4f98e4498e9a39c29ca2fcb974b55680139a12cccb49657da7658

Analysis

max time kernel
92s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
02-04-2024 22:01

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General

Target

984ed804482b455638e29cfa56d91e86_JaffaCakes118.exe
Size

62KB
MD5

984ed804482b455638e29cfa56d91e86
SHA1

608e262d942f5d464a68b9ffee0c83f99b99c901
SHA256

fd8b588e1ee4f98e4498e9a39c29ca2fcb974b55680139a12cccb49657da7658
SHA512

999915dea839739bf03814154ae2b96e4f433166af37d4e7a234ecbce2669ee0fae11bf82b2169820d436e9d2d8b3f2a5041f84068f85b9516f3031671841690
SSDEEP

768:CKsMqCXfVcWJDrM9ZkiANIUAHYLDwUzc80gmq3oP/oDM:CKsexM9ZkiAPTr/0O8/ow

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 (92) 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-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\984ed804482b455638e29cfa56d91e86_JaffaCakes118.exe\""	984ed804482b455638e29cfa56d91e86_JaffaCakes118.exe

Drops desktop.ini file(s) 5 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	984ed804482b455638e29cfa56d91e86_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	984ed804482b455638e29cfa56d91e86_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	984ed804482b455638e29cfa56d91e86_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	984ed804482b455638e29cfa56d91e86_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	984ed804482b455638e29cfa56d91e86_JaffaCakes118.exe

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

Web Service

T1102

flow	ioc
10	discord.com
11	discord.com
18	discord.com
21	discord.com
22	discord.com
30	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
7	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-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	984ed804482b455638e29cfa56d91e86_JaffaCakes118.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3468	4544	WerFault.exe	84
4600	4544	WerFault.exe	84

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4544	984ed804482b455638e29cfa56d91e86_JaffaCakes118.exe
4544	984ed804482b455638e29cfa56d91e86_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	4544	984ed804482b455638e29cfa56d91e86_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1472	WMIC.exe
Token: SeSecurityPrivilege	1472	WMIC.exe
Token: SeTakeOwnershipPrivilege	1472	WMIC.exe
Token: SeLoadDriverPrivilege	1472	WMIC.exe
Token: SeSystemProfilePrivilege	1472	WMIC.exe
Token: SeSystemtimePrivilege	1472	WMIC.exe
Token: SeProfSingleProcessPrivilege	1472	WMIC.exe
Token: SeIncBasePriorityPrivilege	1472	WMIC.exe
Token: SeCreatePagefilePrivilege	1472	WMIC.exe
Token: SeBackupPrivilege	1472	WMIC.exe
Token: SeRestorePrivilege	1472	WMIC.exe
Token: SeShutdownPrivilege	1472	WMIC.exe
Token: SeDebugPrivilege	1472	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1472	WMIC.exe
Token: SeRemoteShutdownPrivilege	1472	WMIC.exe
Token: SeUndockPrivilege	1472	WMIC.exe
Token: SeManageVolumePrivilege	1472	WMIC.exe
Token: 33	1472	WMIC.exe
Token: 34	1472	WMIC.exe
Token: 35	1472	WMIC.exe
Token: 36	1472	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1472	WMIC.exe
Token: SeSecurityPrivilege	1472	WMIC.exe
Token: SeTakeOwnershipPrivilege	1472	WMIC.exe
Token: SeLoadDriverPrivilege	1472	WMIC.exe
Token: SeSystemProfilePrivilege	1472	WMIC.exe
Token: SeSystemtimePrivilege	1472	WMIC.exe
Token: SeProfSingleProcessPrivilege	1472	WMIC.exe
Token: SeIncBasePriorityPrivilege	1472	WMIC.exe
Token: SeCreatePagefilePrivilege	1472	WMIC.exe
Token: SeBackupPrivilege	1472	WMIC.exe
Token: SeRestorePrivilege	1472	WMIC.exe
Token: SeShutdownPrivilege	1472	WMIC.exe
Token: SeDebugPrivilege	1472	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1472	WMIC.exe
Token: SeRemoteShutdownPrivilege	1472	WMIC.exe
Token: SeUndockPrivilege	1472	WMIC.exe
Token: SeManageVolumePrivilege	1472	WMIC.exe
Token: 33	1472	WMIC.exe
Token: 34	1472	WMIC.exe
Token: 35	1472	WMIC.exe
Token: 36	1472	WMIC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 4848	4544	984ed804482b455638e29cfa56d91e86_JaffaCakes118.exe	88
PID 4544 wrote to memory of 4848	4544	984ed804482b455638e29cfa56d91e86_JaffaCakes118.exe	88
PID 4544 wrote to memory of 4848	4544	984ed804482b455638e29cfa56d91e86_JaffaCakes118.exe	88
PID 4848 wrote to memory of 1472	4848	cmd.exe	90
PID 4848 wrote to memory of 1472	4848	cmd.exe	90
PID 4848 wrote to memory of 1472	4848	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\984ed804482b455638e29cfa56d91e86_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\984ed804482b455638e29cfa56d91e86_JaffaCakes118.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:4544
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4848
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1472
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 1960
  2⤵
  - Program crash
  PID:3468
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 2000
  2⤵
  - Program crash
  PID:4600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4544 -ip 4544
1⤵
PID:4324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4544 -ip 4544
1⤵
PID:4232

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/4544-0-0x0000000000980000-0x0000000000996000-memory.dmp

Filesize
88KB

Download
memory/4544-1-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/4544-2-0x0000000005800000-0x0000000005DA4000-memory.dmp

Filesize
5.6MB

Download
memory/4544-3-0x0000000005330000-0x00000000053C2000-memory.dmp

Filesize
584KB

Download
memory/4544-4-0x00000000056A0000-0x00000000056B0000-memory.dmp

Filesize
64KB

Download
memory/4544-83-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/4544-90-0x00000000056A0000-0x00000000056B0000-memory.dmp

Filesize
64KB

Download
memory/4544-101-0x00000000060A0000-0x00000000060AA000-memory.dmp

Filesize
40KB

Download
memory/4544-102-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download