nitro | fa354e28c5325fb189cae24b88354674476ce1ab764dc94c9fa6178dc7d2314a

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 19:55

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General

Target

befad918d88f92f7bf5532794dff5d38_JaffaCakes118.exe
Size

61KB
MD5

befad918d88f92f7bf5532794dff5d38
SHA1

3f9e1fb8646b98df4e3992fde1dfcfe90f6c4592
SHA256

fa354e28c5325fb189cae24b88354674476ce1ab764dc94c9fa6178dc7d2314a
SHA512

8c9f73c0b1d770aff927ca70e09a83aecabff3704d11c73c18c4b3e50a154a2670d35800a98158188a72f3d56e7b918786b0d94fd71f0c5018e01a0e45c9a7df
SSDEEP

768:IKsMqCXfVcWfLM9ZkiANIUXqnYLDwUzc80gmq3oP/oD3:IKsejM9ZkiAPxr/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
Nitro family
nitro
Renames multiple (75) 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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\befad918d88f92f7bf5532794dff5d38_JaffaCakes118.exe\""	befad918d88f92f7bf5532794dff5d38_JaffaCakes118.exe

Drops desktop.ini file(s) 3 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Documents\desktop.ini	befad918d88f92f7bf5532794dff5d38_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	befad918d88f92f7bf5532794dff5d38_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	befad918d88f92f7bf5532794dff5d38_JaffaCakes118.exe

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

Web Service

T1102

flow	ioc
7	discord.com
8	discord.com
9	discord.com
10	discord.com
11	discord.com
6	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
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-1-5-21-2039016743-699959520-214465309-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	befad918d88f92f7bf5532794dff5d38_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg"	befad918d88f92f7bf5532794dff5d38_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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WMIC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	befad918d88f92f7bf5532794dff5d38_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2420	befad918d88f92f7bf5532794dff5d38_JaffaCakes118.exe
2420	befad918d88f92f7bf5532794dff5d38_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeDebugPrivilege	2420	befad918d88f92f7bf5532794dff5d38_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2372	WMIC.exe
Token: SeSecurityPrivilege	2372	WMIC.exe
Token: SeTakeOwnershipPrivilege	2372	WMIC.exe
Token: SeLoadDriverPrivilege	2372	WMIC.exe
Token: SeSystemProfilePrivilege	2372	WMIC.exe
Token: SeSystemtimePrivilege	2372	WMIC.exe
Token: SeProfSingleProcessPrivilege	2372	WMIC.exe
Token: SeIncBasePriorityPrivilege	2372	WMIC.exe
Token: SeCreatePagefilePrivilege	2372	WMIC.exe
Token: SeBackupPrivilege	2372	WMIC.exe
Token: SeRestorePrivilege	2372	WMIC.exe
Token: SeShutdownPrivilege	2372	WMIC.exe
Token: SeDebugPrivilege	2372	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2372	WMIC.exe
Token: SeRemoteShutdownPrivilege	2372	WMIC.exe
Token: SeUndockPrivilege	2372	WMIC.exe
Token: SeManageVolumePrivilege	2372	WMIC.exe
Token: 33	2372	WMIC.exe
Token: 34	2372	WMIC.exe
Token: 35	2372	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2372	WMIC.exe
Token: SeSecurityPrivilege	2372	WMIC.exe
Token: SeTakeOwnershipPrivilege	2372	WMIC.exe
Token: SeLoadDriverPrivilege	2372	WMIC.exe
Token: SeSystemProfilePrivilege	2372	WMIC.exe
Token: SeSystemtimePrivilege	2372	WMIC.exe
Token: SeProfSingleProcessPrivilege	2372	WMIC.exe
Token: SeIncBasePriorityPrivilege	2372	WMIC.exe
Token: SeCreatePagefilePrivilege	2372	WMIC.exe
Token: SeBackupPrivilege	2372	WMIC.exe
Token: SeRestorePrivilege	2372	WMIC.exe
Token: SeShutdownPrivilege	2372	WMIC.exe
Token: SeDebugPrivilege	2372	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2372	WMIC.exe
Token: SeRemoteShutdownPrivilege	2372	WMIC.exe
Token: SeUndockPrivilege	2372	WMIC.exe
Token: SeManageVolumePrivilege	2372	WMIC.exe
Token: 33	2372	WMIC.exe
Token: 34	2372	WMIC.exe
Token: 35	2372	WMIC.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2124	2420	befad918d88f92f7bf5532794dff5d38_JaffaCakes118.exe	30
PID 2420 wrote to memory of 2124	2420	befad918d88f92f7bf5532794dff5d38_JaffaCakes118.exe	30
PID 2420 wrote to memory of 2124	2420	befad918d88f92f7bf5532794dff5d38_JaffaCakes118.exe	30
PID 2420 wrote to memory of 2124	2420	befad918d88f92f7bf5532794dff5d38_JaffaCakes118.exe	30
PID 2124 wrote to memory of 2372	2124	cmd.exe	32
PID 2124 wrote to memory of 2372	2124	cmd.exe	32
PID 2124 wrote to memory of 2372	2124	cmd.exe	32
PID 2124 wrote to memory of 2372	2124	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\befad918d88f92f7bf5532794dff5d38_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\befad918d88f92f7bf5532794dff5d38_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:2420
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2372

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/2420-0-0x0000000073DDE000-0x0000000073DDF000-memory.dmp

Filesize
4KB

Download
memory/2420-1-0x0000000000120000-0x0000000000136000-memory.dmp

Filesize
88KB

Download
memory/2420-2-0x0000000073DD0000-0x00000000744BE000-memory.dmp

Filesize
6.9MB

Download
memory/2420-17-0x0000000073DDE000-0x0000000073DDF000-memory.dmp

Filesize
4KB

Download
memory/2420-21-0x0000000073DD0000-0x00000000744BE000-memory.dmp

Filesize
6.9MB

Download
memory/2420-83-0x0000000073DD0000-0x00000000744BE000-memory.dmp

Filesize
6.9MB

Download
memory/2420-84-0x0000000073DD0000-0x00000000744BE000-memory.dmp

Filesize
6.9MB

Download