nitro | 570cc4b6530b319dfc71201010b2775acb89c94e7d42acdbc53f635f2ca4ee4a

Analysis

max time kernel
144s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-10-2024 13:04

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General

Target

73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe
Size

62KB
MD5

73de3eeba18475c6860e39061b0174e6
SHA1

10a3823601b1a18edc62a5bbc83cd7c581f1da59
SHA256

570cc4b6530b319dfc71201010b2775acb89c94e7d42acdbc53f635f2ca4ee4a
SHA512

7f8974d9f71c8b01caa75df6c4dfdb363514d54815d6acd8834a0dd1bc2689bc031adf1b9cbd86554a926bb5d594c0be4fd96e1d8033d97ac5e9bcfe1575a54f
SSDEEP

768:bKsMqCXfVcWl3M9Zk4ANIUI2+QLDwUzc80gmq3oP/oDA:bKsexM9Zk4APxDr/0O8/oU

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 (96) 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\\73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe\""	73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe

Drops desktop.ini file(s) 3 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Documents\desktop.ini	73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe

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

Web Service

T1102

flow	ioc
11	discord.com
6	discord.com
7	discord.com
8	discord.com
9	discord.com
10	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-1-5-21-312935884-697965778-3955649944-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	73de3eeba18475c6860e39061b0174e6_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"	73de3eeba18475c6860e39061b0174e6_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	73de3eeba18475c6860e39061b0174e6_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
2792	73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe
2792	73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2836	WMIC.exe
Token: SeSecurityPrivilege	2836	WMIC.exe
Token: SeTakeOwnershipPrivilege	2836	WMIC.exe
Token: SeLoadDriverPrivilege	2836	WMIC.exe
Token: SeSystemProfilePrivilege	2836	WMIC.exe
Token: SeSystemtimePrivilege	2836	WMIC.exe
Token: SeProfSingleProcessPrivilege	2836	WMIC.exe
Token: SeIncBasePriorityPrivilege	2836	WMIC.exe
Token: SeCreatePagefilePrivilege	2836	WMIC.exe
Token: SeBackupPrivilege	2836	WMIC.exe
Token: SeRestorePrivilege	2836	WMIC.exe
Token: SeShutdownPrivilege	2836	WMIC.exe
Token: SeDebugPrivilege	2836	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2836	WMIC.exe
Token: SeRemoteShutdownPrivilege	2836	WMIC.exe
Token: SeUndockPrivilege	2836	WMIC.exe
Token: SeManageVolumePrivilege	2836	WMIC.exe
Token: 33	2836	WMIC.exe
Token: 34	2836	WMIC.exe
Token: 35	2836	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2836	WMIC.exe
Token: SeSecurityPrivilege	2836	WMIC.exe
Token: SeTakeOwnershipPrivilege	2836	WMIC.exe
Token: SeLoadDriverPrivilege	2836	WMIC.exe
Token: SeSystemProfilePrivilege	2836	WMIC.exe
Token: SeSystemtimePrivilege	2836	WMIC.exe
Token: SeProfSingleProcessPrivilege	2836	WMIC.exe
Token: SeIncBasePriorityPrivilege	2836	WMIC.exe
Token: SeCreatePagefilePrivilege	2836	WMIC.exe
Token: SeBackupPrivilege	2836	WMIC.exe
Token: SeRestorePrivilege	2836	WMIC.exe
Token: SeShutdownPrivilege	2836	WMIC.exe
Token: SeDebugPrivilege	2836	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2836	WMIC.exe
Token: SeRemoteShutdownPrivilege	2836	WMIC.exe
Token: SeUndockPrivilege	2836	WMIC.exe
Token: SeManageVolumePrivilege	2836	WMIC.exe
Token: 33	2836	WMIC.exe
Token: 34	2836	WMIC.exe
Token: 35	2836	WMIC.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2684	2792	73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe	30
PID 2792 wrote to memory of 2684	2792	73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe	30
PID 2792 wrote to memory of 2684	2792	73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe	30
PID 2792 wrote to memory of 2684	2792	73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe	30
PID 2684 wrote to memory of 2836	2684	cmd.exe	32
PID 2684 wrote to memory of 2836	2684	cmd.exe	32
PID 2684 wrote to memory of 2836	2684	cmd.exe	32
PID 2684 wrote to memory of 2836	2684	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\73de3eeba18475c6860e39061b0174e6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\73de3eeba18475c6860e39061b0174e6_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:2792
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2684
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2836

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/2792-0-0x000000007465E000-0x000000007465F000-memory.dmp

Filesize
4KB

Download
memory/2792-1-0x0000000000B00000-0x0000000000B16000-memory.dmp

Filesize
88KB

Download
memory/2792-2-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-16-0x000000007465E000-0x000000007465F000-memory.dmp

Filesize
4KB

Download
memory/2792-20-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-104-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-105-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download