nitro | fd59987622ce4821e366b8d6b689c982d34ad8bb8e77e9674ad0b655b2768e82

Analysis

max time kernel
144s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 22:49

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General

Target

97a6a6eb35fbd7f8f6752c42cff2d358_JaffaCakes118.exe
Size

60KB
MD5

97a6a6eb35fbd7f8f6752c42cff2d358
SHA1

c9ebb02c234804a64f4dccfeaa26dae39afc9a20
SHA256

fd59987622ce4821e366b8d6b689c982d34ad8bb8e77e9674ad0b655b2768e82
SHA512

24ec0746bd8e7387cc5f1de590d98e327f7c918523a9331d8d06387db219c728538184ae98f04909699a3f8f8334f43cdb1722e5e7c9139d000013acbd7aa0a9
SSDEEP

768:nOucKn7n1J2ZDNANIUf5vLDwUzc80gmq3oP/oDk:nO22ZDNAPJr/0O8/oQ

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 (83) 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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\97a6a6eb35fbd7f8f6752c42cff2d358_JaffaCakes118.exe\""	97a6a6eb35fbd7f8f6752c42cff2d358_JaffaCakes118.exe

Drops desktop.ini file(s) 3 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	97a6a6eb35fbd7f8f6752c42cff2d358_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	97a6a6eb35fbd7f8f6752c42cff2d358_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	97a6a6eb35fbd7f8f6752c42cff2d358_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
4	api.ipify.org
5	api.ipify.org

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	97a6a6eb35fbd7f8f6752c42cff2d358_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg"	97a6a6eb35fbd7f8f6752c42cff2d358_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	97a6a6eb35fbd7f8f6752c42cff2d358_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
2776	97a6a6eb35fbd7f8f6752c42cff2d358_JaffaCakes118.exe
2776	97a6a6eb35fbd7f8f6752c42cff2d358_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeDebugPrivilege	2776	97a6a6eb35fbd7f8f6752c42cff2d358_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2744	WMIC.exe
Token: SeSecurityPrivilege	2744	WMIC.exe
Token: SeTakeOwnershipPrivilege	2744	WMIC.exe
Token: SeLoadDriverPrivilege	2744	WMIC.exe
Token: SeSystemProfilePrivilege	2744	WMIC.exe
Token: SeSystemtimePrivilege	2744	WMIC.exe
Token: SeProfSingleProcessPrivilege	2744	WMIC.exe
Token: SeIncBasePriorityPrivilege	2744	WMIC.exe
Token: SeCreatePagefilePrivilege	2744	WMIC.exe
Token: SeBackupPrivilege	2744	WMIC.exe
Token: SeRestorePrivilege	2744	WMIC.exe
Token: SeShutdownPrivilege	2744	WMIC.exe
Token: SeDebugPrivilege	2744	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2744	WMIC.exe
Token: SeRemoteShutdownPrivilege	2744	WMIC.exe
Token: SeUndockPrivilege	2744	WMIC.exe
Token: SeManageVolumePrivilege	2744	WMIC.exe
Token: 33	2744	WMIC.exe
Token: 34	2744	WMIC.exe
Token: 35	2744	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2744	WMIC.exe
Token: SeSecurityPrivilege	2744	WMIC.exe
Token: SeTakeOwnershipPrivilege	2744	WMIC.exe
Token: SeLoadDriverPrivilege	2744	WMIC.exe
Token: SeSystemProfilePrivilege	2744	WMIC.exe
Token: SeSystemtimePrivilege	2744	WMIC.exe
Token: SeProfSingleProcessPrivilege	2744	WMIC.exe
Token: SeIncBasePriorityPrivilege	2744	WMIC.exe
Token: SeCreatePagefilePrivilege	2744	WMIC.exe
Token: SeBackupPrivilege	2744	WMIC.exe
Token: SeRestorePrivilege	2744	WMIC.exe
Token: SeShutdownPrivilege	2744	WMIC.exe
Token: SeDebugPrivilege	2744	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2744	WMIC.exe
Token: SeRemoteShutdownPrivilege	2744	WMIC.exe
Token: SeUndockPrivilege	2744	WMIC.exe
Token: SeManageVolumePrivilege	2744	WMIC.exe
Token: 33	2744	WMIC.exe
Token: 34	2744	WMIC.exe
Token: 35	2744	WMIC.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2708	2776	97a6a6eb35fbd7f8f6752c42cff2d358_JaffaCakes118.exe	30
PID 2776 wrote to memory of 2708	2776	97a6a6eb35fbd7f8f6752c42cff2d358_JaffaCakes118.exe	30
PID 2776 wrote to memory of 2708	2776	97a6a6eb35fbd7f8f6752c42cff2d358_JaffaCakes118.exe	30
PID 2776 wrote to memory of 2708	2776	97a6a6eb35fbd7f8f6752c42cff2d358_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2744	2708	cmd.exe	32
PID 2708 wrote to memory of 2744	2708	cmd.exe	32
PID 2708 wrote to memory of 2744	2708	cmd.exe	32
PID 2708 wrote to memory of 2744	2708	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\97a6a6eb35fbd7f8f6752c42cff2d358_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\97a6a6eb35fbd7f8f6752c42cff2d358_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:2776
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2708
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2744

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/2776-0-0x00000000745CE000-0x00000000745CF000-memory.dmp

Filesize
4KB

Download
memory/2776-1-0x0000000000FF0000-0x0000000001006000-memory.dmp

Filesize
88KB

Download
memory/2776-2-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2776-25-0x00000000745CE000-0x00000000745CF000-memory.dmp

Filesize
4KB

Download
memory/2776-29-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2776-91-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2776-92-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download