nitro | 0bbe7b85d022ac808df0589304f506c753768562d3b88561f5601bddc758d4c2

Analysis

max time kernel
149s
max time network
61s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 06:41

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General

Target

931727d01f632cad67329528d1ae411b_JaffaCakes118.exe
Size

62KB
MD5

931727d01f632cad67329528d1ae411b
SHA1

9834a272c713b4de00ec6954d03c7931620e2804
SHA256

0bbe7b85d022ac808df0589304f506c753768562d3b88561f5601bddc758d4c2
SHA512

096ad4860945abcd9aead69589876fc50f187e8ce376d29d4166234260378a4d9afe8186bd170f92b88e1e3ea5e1d14aa78725f0f44021a1a8e9bf59e7a6ebbe
SSDEEP

768:nnby9UTTGitqI7GNI4jimYLDwUzc80gmq3oP/oDr:nnbn97Gxjsr/0O8/o3

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 (70) 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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\931727d01f632cad67329528d1ae411b_JaffaCakes118.exe\""	931727d01f632cad67329528d1ae411b_JaffaCakes118.exe

Drops desktop.ini file(s) 3 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	931727d01f632cad67329528d1ae411b_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	931727d01f632cad67329528d1ae411b_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	931727d01f632cad67329528d1ae411b_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-1-5-21-3692679935-4019334568-335155002-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	931727d01f632cad67329528d1ae411b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg"	931727d01f632cad67329528d1ae411b_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	931727d01f632cad67329528d1ae411b_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
3012	931727d01f632cad67329528d1ae411b_JaffaCakes118.exe
3012	931727d01f632cad67329528d1ae411b_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeDebugPrivilege	3012	931727d01f632cad67329528d1ae411b_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	792	WMIC.exe
Token: SeSecurityPrivilege	792	WMIC.exe
Token: SeTakeOwnershipPrivilege	792	WMIC.exe
Token: SeLoadDriverPrivilege	792	WMIC.exe
Token: SeSystemProfilePrivilege	792	WMIC.exe
Token: SeSystemtimePrivilege	792	WMIC.exe
Token: SeProfSingleProcessPrivilege	792	WMIC.exe
Token: SeIncBasePriorityPrivilege	792	WMIC.exe
Token: SeCreatePagefilePrivilege	792	WMIC.exe
Token: SeBackupPrivilege	792	WMIC.exe
Token: SeRestorePrivilege	792	WMIC.exe
Token: SeShutdownPrivilege	792	WMIC.exe
Token: SeDebugPrivilege	792	WMIC.exe
Token: SeSystemEnvironmentPrivilege	792	WMIC.exe
Token: SeRemoteShutdownPrivilege	792	WMIC.exe
Token: SeUndockPrivilege	792	WMIC.exe
Token: SeManageVolumePrivilege	792	WMIC.exe
Token: 33	792	WMIC.exe
Token: 34	792	WMIC.exe
Token: 35	792	WMIC.exe
Token: SeIncreaseQuotaPrivilege	792	WMIC.exe
Token: SeSecurityPrivilege	792	WMIC.exe
Token: SeTakeOwnershipPrivilege	792	WMIC.exe
Token: SeLoadDriverPrivilege	792	WMIC.exe
Token: SeSystemProfilePrivilege	792	WMIC.exe
Token: SeSystemtimePrivilege	792	WMIC.exe
Token: SeProfSingleProcessPrivilege	792	WMIC.exe
Token: SeIncBasePriorityPrivilege	792	WMIC.exe
Token: SeCreatePagefilePrivilege	792	WMIC.exe
Token: SeBackupPrivilege	792	WMIC.exe
Token: SeRestorePrivilege	792	WMIC.exe
Token: SeShutdownPrivilege	792	WMIC.exe
Token: SeDebugPrivilege	792	WMIC.exe
Token: SeSystemEnvironmentPrivilege	792	WMIC.exe
Token: SeRemoteShutdownPrivilege	792	WMIC.exe
Token: SeUndockPrivilege	792	WMIC.exe
Token: SeManageVolumePrivilege	792	WMIC.exe
Token: 33	792	WMIC.exe
Token: 34	792	WMIC.exe
Token: 35	792	WMIC.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2436	3012	931727d01f632cad67329528d1ae411b_JaffaCakes118.exe	29
PID 3012 wrote to memory of 2436	3012	931727d01f632cad67329528d1ae411b_JaffaCakes118.exe	29
PID 3012 wrote to memory of 2436	3012	931727d01f632cad67329528d1ae411b_JaffaCakes118.exe	29
PID 3012 wrote to memory of 2436	3012	931727d01f632cad67329528d1ae411b_JaffaCakes118.exe	29
PID 2436 wrote to memory of 792	2436	cmd.exe	31
PID 2436 wrote to memory of 792	2436	cmd.exe	31
PID 2436 wrote to memory of 792	2436	cmd.exe	31
PID 2436 wrote to memory of 792	2436	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\931727d01f632cad67329528d1ae411b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\931727d01f632cad67329528d1ae411b_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:3012
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2436
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:792

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/3012-0-0x00000000748BE000-0x00000000748BF000-memory.dmp

Filesize
4KB

Download
memory/3012-1-0x0000000000320000-0x0000000000336000-memory.dmp

Filesize
88KB

Download
memory/3012-2-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/3012-8-0x00000000748BE000-0x00000000748BF000-memory.dmp

Filesize
4KB

Download
memory/3012-11-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/3012-78-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/3012-79-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download