nitro | fb92c528c1207a2421ec817cbf9793a3859637d7dc235a3998e07695860e3ce1

Analysis

max time kernel
149s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-10-2024 00:53

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General

Target

682723a522c86f64b397afcdd65c21a1_JaffaCakes118.exe
Size

61KB
MD5

682723a522c86f64b397afcdd65c21a1
SHA1

80999ff4ac0b068eb5028b50601b7ec9fe77a827
SHA256

fb92c528c1207a2421ec817cbf9793a3859637d7dc235a3998e07695860e3ce1
SHA512

703aafcece75f310b42c52aa42ddfbf3a680b6e2636c08f5ca1895abc722fe7fce99484b6257bbe70d5253f6a054c74c8b2fb6abcb431702e901efd51e7355c3
SSDEEP

768:VHKsMqCXfVcWlQM9ZkiANIULAYLDwUzc80gmq3oP/oDw:hKseSM9ZkiAP1r/0O8/os

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 (107) 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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\682723a522c86f64b397afcdd65c21a1_JaffaCakes118.exe\""	682723a522c86f64b397afcdd65c21a1_JaffaCakes118.exe

Drops desktop.ini file(s) 5 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Documents\desktop.ini	682723a522c86f64b397afcdd65c21a1_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	682723a522c86f64b397afcdd65c21a1_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	682723a522c86f64b397afcdd65c21a1_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	682723a522c86f64b397afcdd65c21a1_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	682723a522c86f64b397afcdd65c21a1_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
11	api.ipify.org
9	api.ipify.org

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	682723a522c86f64b397afcdd65c21a1_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	682723a522c86f64b397afcdd65c21a1_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
4312	682723a522c86f64b397afcdd65c21a1_JaffaCakes118.exe
4312	682723a522c86f64b397afcdd65c21a1_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	4312	682723a522c86f64b397afcdd65c21a1_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	3384	WMIC.exe
Token: SeSecurityPrivilege	3384	WMIC.exe
Token: SeTakeOwnershipPrivilege	3384	WMIC.exe
Token: SeLoadDriverPrivilege	3384	WMIC.exe
Token: SeSystemProfilePrivilege	3384	WMIC.exe
Token: SeSystemtimePrivilege	3384	WMIC.exe
Token: SeProfSingleProcessPrivilege	3384	WMIC.exe
Token: SeIncBasePriorityPrivilege	3384	WMIC.exe
Token: SeCreatePagefilePrivilege	3384	WMIC.exe
Token: SeBackupPrivilege	3384	WMIC.exe
Token: SeRestorePrivilege	3384	WMIC.exe
Token: SeShutdownPrivilege	3384	WMIC.exe
Token: SeDebugPrivilege	3384	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3384	WMIC.exe
Token: SeRemoteShutdownPrivilege	3384	WMIC.exe
Token: SeUndockPrivilege	3384	WMIC.exe
Token: SeManageVolumePrivilege	3384	WMIC.exe
Token: 33	3384	WMIC.exe
Token: 34	3384	WMIC.exe
Token: 35	3384	WMIC.exe
Token: 36	3384	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3384	WMIC.exe
Token: SeSecurityPrivilege	3384	WMIC.exe
Token: SeTakeOwnershipPrivilege	3384	WMIC.exe
Token: SeLoadDriverPrivilege	3384	WMIC.exe
Token: SeSystemProfilePrivilege	3384	WMIC.exe
Token: SeSystemtimePrivilege	3384	WMIC.exe
Token: SeProfSingleProcessPrivilege	3384	WMIC.exe
Token: SeIncBasePriorityPrivilege	3384	WMIC.exe
Token: SeCreatePagefilePrivilege	3384	WMIC.exe
Token: SeBackupPrivilege	3384	WMIC.exe
Token: SeRestorePrivilege	3384	WMIC.exe
Token: SeShutdownPrivilege	3384	WMIC.exe
Token: SeDebugPrivilege	3384	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3384	WMIC.exe
Token: SeRemoteShutdownPrivilege	3384	WMIC.exe
Token: SeUndockPrivilege	3384	WMIC.exe
Token: SeManageVolumePrivilege	3384	WMIC.exe
Token: 33	3384	WMIC.exe
Token: 34	3384	WMIC.exe
Token: 35	3384	WMIC.exe
Token: 36	3384	WMIC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4312 wrote to memory of 1248	4312	682723a522c86f64b397afcdd65c21a1_JaffaCakes118.exe	84
PID 4312 wrote to memory of 1248	4312	682723a522c86f64b397afcdd65c21a1_JaffaCakes118.exe	84
PID 4312 wrote to memory of 1248	4312	682723a522c86f64b397afcdd65c21a1_JaffaCakes118.exe	84
PID 1248 wrote to memory of 3384	1248	cmd.exe	86
PID 1248 wrote to memory of 3384	1248	cmd.exe	86
PID 1248 wrote to memory of 3384	1248	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\682723a522c86f64b397afcdd65c21a1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\682723a522c86f64b397afcdd65c21a1_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:4312
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1248
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:3384

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/4312-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/4312-1-0x0000000000830000-0x0000000000846000-memory.dmp

Filesize
88KB

Download
memory/4312-2-0x0000000005600000-0x0000000005BA4000-memory.dmp

Filesize
5.6MB

Download
memory/4312-3-0x00000000050F0000-0x0000000005182000-memory.dmp

Filesize
584KB

Download
memory/4312-4-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/4312-27-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/4312-33-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/4312-116-0x0000000005DF0000-0x0000000005DFA000-memory.dmp

Filesize
40KB

Download
memory/4312-117-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/4312-118-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/4312-119-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/4312-120-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download