nitro | 9dc829191b3e2b6a07d3bc55ae8faa38b12cbdb6060ee20be236319489578e42

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08-04-2024 10:09

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General

Target

e736f970d2f2a41818ea91cc1b79db97_JaffaCakes118.exe
Size

60KB
MD5

e736f970d2f2a41818ea91cc1b79db97
SHA1

3dedb0667c1b3ed98df78c5bd7a4e86d3e80a7e7
SHA256

9dc829191b3e2b6a07d3bc55ae8faa38b12cbdb6060ee20be236319489578e42
SHA512

9ab7476c81cf3e9764cf1a5812c9debd84c563e06a79b52b8025ee67ea3423945008d739db1ad7060a2b198474079119b341d90f94eac04c971087a5291bbd77
SSDEEP

768:2OucKn7n1JAPfRANIUDaBvLDwUzc80gmq3oP/oDR:2O2afRAPmpr/0O8/ot

Score

10^/10

nitro persistence ransomware spyware stealer

Malware Config

Signatures

Nitro
A ransomware that demands Discord nitro gift codes to decrypt files.
ransomware 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 2 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

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\e736f970d2f2a41818ea91cc1b79db97_JaffaCakes118.exe\""	e736f970d2f2a41818ea91cc1b79db97_JaffaCakes118.exe

Drops desktop.ini file(s) 5 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	e736f970d2f2a41818ea91cc1b79db97_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	e736f970d2f2a41818ea91cc1b79db97_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	e736f970d2f2a41818ea91cc1b79db97_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	e736f970d2f2a41818ea91cc1b79db97_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	e736f970d2f2a41818ea91cc1b79db97_JaffaCakes118.exe

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

Web Service

T1102

flow	ioc
6	discord.com
12	discord.com
17	discord.com
41	discord.com
4	discord.com
5	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
2	api.ipify.org
3	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-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	e736f970d2f2a41818ea91cc1b79db97_JaffaCakes118.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4352	2532	WerFault.exe	85
4544	2532	WerFault.exe	85

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2532	e736f970d2f2a41818ea91cc1b79db97_JaffaCakes118.exe
2532	e736f970d2f2a41818ea91cc1b79db97_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	2532	e736f970d2f2a41818ea91cc1b79db97_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	3520	WMIC.exe
Token: SeSecurityPrivilege	3520	WMIC.exe
Token: SeTakeOwnershipPrivilege	3520	WMIC.exe
Token: SeLoadDriverPrivilege	3520	WMIC.exe
Token: SeSystemProfilePrivilege	3520	WMIC.exe
Token: SeSystemtimePrivilege	3520	WMIC.exe
Token: SeProfSingleProcessPrivilege	3520	WMIC.exe
Token: SeIncBasePriorityPrivilege	3520	WMIC.exe
Token: SeCreatePagefilePrivilege	3520	WMIC.exe
Token: SeBackupPrivilege	3520	WMIC.exe
Token: SeRestorePrivilege	3520	WMIC.exe
Token: SeShutdownPrivilege	3520	WMIC.exe
Token: SeDebugPrivilege	3520	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3520	WMIC.exe
Token: SeRemoteShutdownPrivilege	3520	WMIC.exe
Token: SeUndockPrivilege	3520	WMIC.exe
Token: SeManageVolumePrivilege	3520	WMIC.exe
Token: 33	3520	WMIC.exe
Token: 34	3520	WMIC.exe
Token: 35	3520	WMIC.exe
Token: 36	3520	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3520	WMIC.exe
Token: SeSecurityPrivilege	3520	WMIC.exe
Token: SeTakeOwnershipPrivilege	3520	WMIC.exe
Token: SeLoadDriverPrivilege	3520	WMIC.exe
Token: SeSystemProfilePrivilege	3520	WMIC.exe
Token: SeSystemtimePrivilege	3520	WMIC.exe
Token: SeProfSingleProcessPrivilege	3520	WMIC.exe
Token: SeIncBasePriorityPrivilege	3520	WMIC.exe
Token: SeCreatePagefilePrivilege	3520	WMIC.exe
Token: SeBackupPrivilege	3520	WMIC.exe
Token: SeRestorePrivilege	3520	WMIC.exe
Token: SeShutdownPrivilege	3520	WMIC.exe
Token: SeDebugPrivilege	3520	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3520	WMIC.exe
Token: SeRemoteShutdownPrivilege	3520	WMIC.exe
Token: SeUndockPrivilege	3520	WMIC.exe
Token: SeManageVolumePrivilege	3520	WMIC.exe
Token: 33	3520	WMIC.exe
Token: 34	3520	WMIC.exe
Token: 35	3520	WMIC.exe
Token: 36	3520	WMIC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 1384	2532	e736f970d2f2a41818ea91cc1b79db97_JaffaCakes118.exe	87
PID 2532 wrote to memory of 1384	2532	e736f970d2f2a41818ea91cc1b79db97_JaffaCakes118.exe	87
PID 2532 wrote to memory of 1384	2532	e736f970d2f2a41818ea91cc1b79db97_JaffaCakes118.exe	87
PID 1384 wrote to memory of 3520	1384	cmd.exe	90
PID 1384 wrote to memory of 3520	1384	cmd.exe	90
PID 1384 wrote to memory of 3520	1384	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\e736f970d2f2a41818ea91cc1b79db97_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e736f970d2f2a41818ea91cc1b79db97_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1384
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3520
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 1080
  2⤵
  - Program crash
  PID:4352
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 1092
  2⤵
  - Program crash
  PID:4544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2532 -ip 2532
1⤵
PID:5024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2532 -ip 2532
1⤵
PID:1344

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

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/2532-0-0x0000000000AE0000-0x0000000000AF6000-memory.dmp

Filesize
88KB

Download
memory/2532-1-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/2532-2-0x00000000059A0000-0x0000000005F44000-memory.dmp

Filesize
5.6MB

Download
memory/2532-3-0x00000000054D0000-0x0000000005562000-memory.dmp

Filesize
584KB

Download
memory/2532-4-0x00000000057C0000-0x00000000057D0000-memory.dmp

Filesize
64KB

Download
memory/2532-42-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/2532-48-0x00000000057C0000-0x00000000057D0000-memory.dmp

Filesize
64KB

Download
memory/2532-84-0x0000000006200000-0x000000000620A000-memory.dmp

Filesize
40KB

Download
memory/2532-85-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download