nitro | dbed3399932fabe6f7f863403279ac9a6b075aa307dd445df2c7060157d3063b

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
20-04-2024 23:14

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General

Target

fddfeed85f23b84971cea9b28a9f4744_JaffaCakes118.exe
Size

4.9MB
MD5

fddfeed85f23b84971cea9b28a9f4744
SHA1

fe5fb6eda0f25239bc0b83c8b50bfbad95f74386
SHA256

dbed3399932fabe6f7f863403279ac9a6b075aa307dd445df2c7060157d3063b
SHA512

ceec384f751e31492856ba70aad450c94b7c1f06e2acae8eb514d7b1facb6a0a5ff3ee28f6da264834829c3de9456017c46e4d63db7f54c1ab12d5985294832b
SSDEEP

768:E7uMqCXfB0nnpnkWCANIUazGLDwUzc80gmq3oP/oDH:E7uDn1k5APHr/0O8/oj

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 (115) 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-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\fddfeed85f23b84971cea9b28a9f4744_JaffaCakes118.exe\""	fddfeed85f23b84971cea9b28a9f4744_JaffaCakes118.exe

Drops desktop.ini file(s) 5 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	fddfeed85f23b84971cea9b28a9f4744_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	fddfeed85f23b84971cea9b28a9f4744_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	fddfeed85f23b84971cea9b28a9f4744_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	fddfeed85f23b84971cea9b28a9f4744_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	fddfeed85f23b84971cea9b28a9f4744_JaffaCakes118.exe

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

Web Service

T1102

flow	ioc
32	discord.com
38	discord.com
42	discord.com
70	discord.com
19	discord.com
26	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
15	api.ipify.org
16	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-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	fddfeed85f23b84971cea9b28a9f4744_JaffaCakes118.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1072	704	WerFault.exe	84
3012	704	WerFault.exe	84

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
704	fddfeed85f23b84971cea9b28a9f4744_JaffaCakes118.exe
704	fddfeed85f23b84971cea9b28a9f4744_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	704	fddfeed85f23b84971cea9b28a9f4744_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4456	WMIC.exe
Token: SeSecurityPrivilege	4456	WMIC.exe
Token: SeTakeOwnershipPrivilege	4456	WMIC.exe
Token: SeLoadDriverPrivilege	4456	WMIC.exe
Token: SeSystemProfilePrivilege	4456	WMIC.exe
Token: SeSystemtimePrivilege	4456	WMIC.exe
Token: SeProfSingleProcessPrivilege	4456	WMIC.exe
Token: SeIncBasePriorityPrivilege	4456	WMIC.exe
Token: SeCreatePagefilePrivilege	4456	WMIC.exe
Token: SeBackupPrivilege	4456	WMIC.exe
Token: SeRestorePrivilege	4456	WMIC.exe
Token: SeShutdownPrivilege	4456	WMIC.exe
Token: SeDebugPrivilege	4456	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4456	WMIC.exe
Token: SeRemoteShutdownPrivilege	4456	WMIC.exe
Token: SeUndockPrivilege	4456	WMIC.exe
Token: SeManageVolumePrivilege	4456	WMIC.exe
Token: 33	4456	WMIC.exe
Token: 34	4456	WMIC.exe
Token: 35	4456	WMIC.exe
Token: 36	4456	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4456	WMIC.exe
Token: SeSecurityPrivilege	4456	WMIC.exe
Token: SeTakeOwnershipPrivilege	4456	WMIC.exe
Token: SeLoadDriverPrivilege	4456	WMIC.exe
Token: SeSystemProfilePrivilege	4456	WMIC.exe
Token: SeSystemtimePrivilege	4456	WMIC.exe
Token: SeProfSingleProcessPrivilege	4456	WMIC.exe
Token: SeIncBasePriorityPrivilege	4456	WMIC.exe
Token: SeCreatePagefilePrivilege	4456	WMIC.exe
Token: SeBackupPrivilege	4456	WMIC.exe
Token: SeRestorePrivilege	4456	WMIC.exe
Token: SeShutdownPrivilege	4456	WMIC.exe
Token: SeDebugPrivilege	4456	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4456	WMIC.exe
Token: SeRemoteShutdownPrivilege	4456	WMIC.exe
Token: SeUndockPrivilege	4456	WMIC.exe
Token: SeManageVolumePrivilege	4456	WMIC.exe
Token: 33	4456	WMIC.exe
Token: 34	4456	WMIC.exe
Token: 35	4456	WMIC.exe
Token: 36	4456	WMIC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 704 wrote to memory of 4660	704	fddfeed85f23b84971cea9b28a9f4744_JaffaCakes118.exe	85
PID 704 wrote to memory of 4660	704	fddfeed85f23b84971cea9b28a9f4744_JaffaCakes118.exe	85
PID 704 wrote to memory of 4660	704	fddfeed85f23b84971cea9b28a9f4744_JaffaCakes118.exe	85
PID 4660 wrote to memory of 4456	4660	cmd.exe	88
PID 4660 wrote to memory of 4456	4660	cmd.exe	88
PID 4660 wrote to memory of 4456	4660	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\fddfeed85f23b84971cea9b28a9f4744_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fddfeed85f23b84971cea9b28a9f4744_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:704
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4660
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4456
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 704 -s 1120
  2⤵
  - Program crash
  PID:1072
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 704 -s 1120
  2⤵
  - Program crash
  PID:3012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 704 -ip 704
1⤵
PID:5092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 704 -ip 704
1⤵
PID:3028

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/704-0-0x0000000000330000-0x0000000000346000-memory.dmp

Filesize
88KB

Download
memory/704-1-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/704-2-0x00000000051A0000-0x0000000005744000-memory.dmp

Filesize
5.6MB

Download
memory/704-3-0x0000000004CF0000-0x0000000004D82000-memory.dmp

Filesize
584KB

Download
memory/704-4-0x0000000004FF0000-0x0000000005000000-memory.dmp

Filesize
64KB

Download
memory/704-52-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/704-58-0x0000000004FF0000-0x0000000005000000-memory.dmp

Filesize
64KB

Download
memory/704-124-0x0000000005A50000-0x0000000005A5A000-memory.dmp

Filesize
40KB

Download
memory/704-125-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download