nitro | e288a90f416d1938d8bb7ea68a44d0c33213b12e5b217cbaf98a62903c1f4a6c

Analysis

max time kernel
147s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-10-2024 18:32

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General

Target

58e8383642bffde609ff436d8a580d5a_JaffaCakes118.exe
Size

60KB
MD5

58e8383642bffde609ff436d8a580d5a
SHA1

624d1764d2e80f2bd17521f5f1fa84c54752f01d
SHA256

e288a90f416d1938d8bb7ea68a44d0c33213b12e5b217cbaf98a62903c1f4a6c
SHA512

7116d760e3bd8c159111de0c9855968b26a7e4a1e59b66a2c65427cc1422e2b44a861c6a8923fb33e753469eafff13f98188f48bd9063e533c92e86fc2652235
SSDEEP

768:HOucKn7n1JMDNANIUsDvLDwUzc80gmq3oP/oDt:HO2MDNAP4r/0O8/oB

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
Renames multiple (84) 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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\58e8383642bffde609ff436d8a580d5a_JaffaCakes118.exe\""	58e8383642bffde609ff436d8a580d5a_JaffaCakes118.exe

Drops desktop.ini file(s) 5 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	58e8383642bffde609ff436d8a580d5a_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	58e8383642bffde609ff436d8a580d5a_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	58e8383642bffde609ff436d8a580d5a_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	58e8383642bffde609ff436d8a580d5a_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	58e8383642bffde609ff436d8a580d5a_JaffaCakes118.exe

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

Web Service

T1102

flow	ioc
17	discord.com
23	discord.com
25	discord.com
27	discord.com
40	discord.com
16	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
4	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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	58e8383642bffde609ff436d8a580d5a_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	58e8383642bffde609ff436d8a580d5a_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
3540	58e8383642bffde609ff436d8a580d5a_JaffaCakes118.exe
3540	58e8383642bffde609ff436d8a580d5a_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	3540	58e8383642bffde609ff436d8a580d5a_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2208	WMIC.exe
Token: SeSecurityPrivilege	2208	WMIC.exe
Token: SeTakeOwnershipPrivilege	2208	WMIC.exe
Token: SeLoadDriverPrivilege	2208	WMIC.exe
Token: SeSystemProfilePrivilege	2208	WMIC.exe
Token: SeSystemtimePrivilege	2208	WMIC.exe
Token: SeProfSingleProcessPrivilege	2208	WMIC.exe
Token: SeIncBasePriorityPrivilege	2208	WMIC.exe
Token: SeCreatePagefilePrivilege	2208	WMIC.exe
Token: SeBackupPrivilege	2208	WMIC.exe
Token: SeRestorePrivilege	2208	WMIC.exe
Token: SeShutdownPrivilege	2208	WMIC.exe
Token: SeDebugPrivilege	2208	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2208	WMIC.exe
Token: SeRemoteShutdownPrivilege	2208	WMIC.exe
Token: SeUndockPrivilege	2208	WMIC.exe
Token: SeManageVolumePrivilege	2208	WMIC.exe
Token: 33	2208	WMIC.exe
Token: 34	2208	WMIC.exe
Token: 35	2208	WMIC.exe
Token: 36	2208	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2208	WMIC.exe
Token: SeSecurityPrivilege	2208	WMIC.exe
Token: SeTakeOwnershipPrivilege	2208	WMIC.exe
Token: SeLoadDriverPrivilege	2208	WMIC.exe
Token: SeSystemProfilePrivilege	2208	WMIC.exe
Token: SeSystemtimePrivilege	2208	WMIC.exe
Token: SeProfSingleProcessPrivilege	2208	WMIC.exe
Token: SeIncBasePriorityPrivilege	2208	WMIC.exe
Token: SeCreatePagefilePrivilege	2208	WMIC.exe
Token: SeBackupPrivilege	2208	WMIC.exe
Token: SeRestorePrivilege	2208	WMIC.exe
Token: SeShutdownPrivilege	2208	WMIC.exe
Token: SeDebugPrivilege	2208	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2208	WMIC.exe
Token: SeRemoteShutdownPrivilege	2208	WMIC.exe
Token: SeUndockPrivilege	2208	WMIC.exe
Token: SeManageVolumePrivilege	2208	WMIC.exe
Token: 33	2208	WMIC.exe
Token: 34	2208	WMIC.exe
Token: 35	2208	WMIC.exe
Token: 36	2208	WMIC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3540 wrote to memory of 1408	3540	58e8383642bffde609ff436d8a580d5a_JaffaCakes118.exe	87
PID 3540 wrote to memory of 1408	3540	58e8383642bffde609ff436d8a580d5a_JaffaCakes118.exe	87
PID 3540 wrote to memory of 1408	3540	58e8383642bffde609ff436d8a580d5a_JaffaCakes118.exe	87
PID 1408 wrote to memory of 2208	1408	cmd.exe	89
PID 1408 wrote to memory of 2208	1408	cmd.exe	89
PID 1408 wrote to memory of 2208	1408	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\58e8383642bffde609ff436d8a580d5a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\58e8383642bffde609ff436d8a580d5a_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:3540
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1408
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2208

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/3540-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/3540-1-0x0000000000F30000-0x0000000000F46000-memory.dmp

Filesize
88KB

Download
memory/3540-2-0x0000000005DB0000-0x0000000006354000-memory.dmp

Filesize
5.6MB

Download
memory/3540-3-0x00000000058E0000-0x0000000005972000-memory.dmp

Filesize
584KB

Download
memory/3540-4-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/3540-20-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/3540-22-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/3540-93-0x0000000006650000-0x000000000665A000-memory.dmp

Filesize
40KB

Download
memory/3540-94-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/3540-95-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/3540-96-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/3540-97-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download