nitro | 4ba38b73e35c692b444708f34b41b6261644c3d6851a310918f0045878d795ac

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
20-10-2024 05:38

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General

Target

60a032fe8fd5a04cfafab8a8fa869a29_JaffaCakes118.exe
Size

60KB
MD5

60a032fe8fd5a04cfafab8a8fa869a29
SHA1

4436375a70a009db43a83d3391bdd7cee0c687e5
SHA256

4ba38b73e35c692b444708f34b41b6261644c3d6851a310918f0045878d795ac
SHA512

6858803d823f5e777e843bfa172627389286f8d912d441a7edaf30d78e3a80ce12aac5b227ce583432aba754af80ec6f1a0cc8787861996934dba30b3572c99d
SSDEEP

768:/OucKn7n1JpDLANIULK9LDwUzc80gmq3oP/oDo:/O2pDLAPIr/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 (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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\60a032fe8fd5a04cfafab8a8fa869a29_JaffaCakes118.exe\""	60a032fe8fd5a04cfafab8a8fa869a29_JaffaCakes118.exe

Drops desktop.ini file(s) 3 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	60a032fe8fd5a04cfafab8a8fa869a29_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	60a032fe8fd5a04cfafab8a8fa869a29_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	60a032fe8fd5a04cfafab8a8fa869a29_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-1-5-21-4177215427-74451935-3209572229-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg"	60a032fe8fd5a04cfafab8a8fa869a29_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	60a032fe8fd5a04cfafab8a8fa869a29_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	60a032fe8fd5a04cfafab8a8fa869a29_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
2104	60a032fe8fd5a04cfafab8a8fa869a29_JaffaCakes118.exe
2104	60a032fe8fd5a04cfafab8a8fa869a29_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeDebugPrivilege	2104	60a032fe8fd5a04cfafab8a8fa869a29_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	3048	WMIC.exe
Token: SeSecurityPrivilege	3048	WMIC.exe
Token: SeTakeOwnershipPrivilege	3048	WMIC.exe
Token: SeLoadDriverPrivilege	3048	WMIC.exe
Token: SeSystemProfilePrivilege	3048	WMIC.exe
Token: SeSystemtimePrivilege	3048	WMIC.exe
Token: SeProfSingleProcessPrivilege	3048	WMIC.exe
Token: SeIncBasePriorityPrivilege	3048	WMIC.exe
Token: SeCreatePagefilePrivilege	3048	WMIC.exe
Token: SeBackupPrivilege	3048	WMIC.exe
Token: SeRestorePrivilege	3048	WMIC.exe
Token: SeShutdownPrivilege	3048	WMIC.exe
Token: SeDebugPrivilege	3048	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3048	WMIC.exe
Token: SeRemoteShutdownPrivilege	3048	WMIC.exe
Token: SeUndockPrivilege	3048	WMIC.exe
Token: SeManageVolumePrivilege	3048	WMIC.exe
Token: 33	3048	WMIC.exe
Token: 34	3048	WMIC.exe
Token: 35	3048	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3048	WMIC.exe
Token: SeSecurityPrivilege	3048	WMIC.exe
Token: SeTakeOwnershipPrivilege	3048	WMIC.exe
Token: SeLoadDriverPrivilege	3048	WMIC.exe
Token: SeSystemProfilePrivilege	3048	WMIC.exe
Token: SeSystemtimePrivilege	3048	WMIC.exe
Token: SeProfSingleProcessPrivilege	3048	WMIC.exe
Token: SeIncBasePriorityPrivilege	3048	WMIC.exe
Token: SeCreatePagefilePrivilege	3048	WMIC.exe
Token: SeBackupPrivilege	3048	WMIC.exe
Token: SeRestorePrivilege	3048	WMIC.exe
Token: SeShutdownPrivilege	3048	WMIC.exe
Token: SeDebugPrivilege	3048	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3048	WMIC.exe
Token: SeRemoteShutdownPrivilege	3048	WMIC.exe
Token: SeUndockPrivilege	3048	WMIC.exe
Token: SeManageVolumePrivilege	3048	WMIC.exe
Token: 33	3048	WMIC.exe
Token: 34	3048	WMIC.exe
Token: 35	3048	WMIC.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2352	2104	60a032fe8fd5a04cfafab8a8fa869a29_JaffaCakes118.exe	30
PID 2104 wrote to memory of 2352	2104	60a032fe8fd5a04cfafab8a8fa869a29_JaffaCakes118.exe	30
PID 2104 wrote to memory of 2352	2104	60a032fe8fd5a04cfafab8a8fa869a29_JaffaCakes118.exe	30
PID 2104 wrote to memory of 2352	2104	60a032fe8fd5a04cfafab8a8fa869a29_JaffaCakes118.exe	30
PID 2352 wrote to memory of 3048	2352	cmd.exe	32
PID 2352 wrote to memory of 3048	2352	cmd.exe	32
PID 2352 wrote to memory of 3048	2352	cmd.exe	32
PID 2352 wrote to memory of 3048	2352	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\60a032fe8fd5a04cfafab8a8fa869a29_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\60a032fe8fd5a04cfafab8a8fa869a29_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:2104
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2352
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:3048

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

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Downloads

memory/2104-0-0x00000000743BE000-0x00000000743BF000-memory.dmp

Filesize
4KB

Download
memory/2104-1-0x00000000009A0000-0x00000000009B6000-memory.dmp

Filesize
88KB

Download
memory/2104-2-0x00000000743B0000-0x0000000074A9E000-memory.dmp

Filesize
6.9MB

Download
memory/2104-18-0x00000000743BE000-0x00000000743BF000-memory.dmp

Filesize
4KB

Download
memory/2104-22-0x00000000743B0000-0x0000000074A9E000-memory.dmp

Filesize
6.9MB

Download
memory/2104-78-0x00000000743B0000-0x0000000074A9E000-memory.dmp

Filesize
6.9MB

Download
memory/2104-79-0x00000000743B0000-0x0000000074A9E000-memory.dmp

Filesize
6.9MB

Download