nitro | d8e9561612c6e06160d79abde41c7b66e4921a1c041ad5c2658d43050b4fd2d0

Analysis

max time kernel
143s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
20-04-2024 17:02

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General

Target

fd3569bdf323487fdc45516ef598a0ab_JaffaCakes118.exe
Size

62KB
MD5

fd3569bdf323487fdc45516ef598a0ab
SHA1

b0155ee5cd923f4352d81e07f4e40146efbbfec6
SHA256

d8e9561612c6e06160d79abde41c7b66e4921a1c041ad5c2658d43050b4fd2d0
SHA512

b94a5273303164741ab152109e2c411e991adf1050d1c44f1a14fca9ffdfa6e7d232ea006882b64074bd1906cf6ef7985d929e50fcc435baa521d13a4c3ce59d
SSDEEP

768:lnbdqCXAVwfAYYIuqQ1/A6IFi6PYLDwUzc80gmq3oP/oDhv:lnb5AYNfQ1/APi1r/0O8/olv

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 (85) 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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\fd3569bdf323487fdc45516ef598a0ab_JaffaCakes118.exe\""	fd3569bdf323487fdc45516ef598a0ab_JaffaCakes118.exe

Drops desktop.ini file(s) 5 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	fd3569bdf323487fdc45516ef598a0ab_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	fd3569bdf323487fdc45516ef598a0ab_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	fd3569bdf323487fdc45516ef598a0ab_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	fd3569bdf323487fdc45516ef598a0ab_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	fd3569bdf323487fdc45516ef598a0ab_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
16	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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	fd3569bdf323487fdc45516ef598a0ab_JaffaCakes118.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2724	4836	WerFault.exe	91
4140	4836	WerFault.exe	91

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4836	fd3569bdf323487fdc45516ef598a0ab_JaffaCakes118.exe
4836	fd3569bdf323487fdc45516ef598a0ab_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	4836	fd3569bdf323487fdc45516ef598a0ab_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	3976	WMIC.exe
Token: SeSecurityPrivilege	3976	WMIC.exe
Token: SeTakeOwnershipPrivilege	3976	WMIC.exe
Token: SeLoadDriverPrivilege	3976	WMIC.exe
Token: SeSystemProfilePrivilege	3976	WMIC.exe
Token: SeSystemtimePrivilege	3976	WMIC.exe
Token: SeProfSingleProcessPrivilege	3976	WMIC.exe
Token: SeIncBasePriorityPrivilege	3976	WMIC.exe
Token: SeCreatePagefilePrivilege	3976	WMIC.exe
Token: SeBackupPrivilege	3976	WMIC.exe
Token: SeRestorePrivilege	3976	WMIC.exe
Token: SeShutdownPrivilege	3976	WMIC.exe
Token: SeDebugPrivilege	3976	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3976	WMIC.exe
Token: SeRemoteShutdownPrivilege	3976	WMIC.exe
Token: SeUndockPrivilege	3976	WMIC.exe
Token: SeManageVolumePrivilege	3976	WMIC.exe
Token: 33	3976	WMIC.exe
Token: 34	3976	WMIC.exe
Token: 35	3976	WMIC.exe
Token: 36	3976	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3976	WMIC.exe
Token: SeSecurityPrivilege	3976	WMIC.exe
Token: SeTakeOwnershipPrivilege	3976	WMIC.exe
Token: SeLoadDriverPrivilege	3976	WMIC.exe
Token: SeSystemProfilePrivilege	3976	WMIC.exe
Token: SeSystemtimePrivilege	3976	WMIC.exe
Token: SeProfSingleProcessPrivilege	3976	WMIC.exe
Token: SeIncBasePriorityPrivilege	3976	WMIC.exe
Token: SeCreatePagefilePrivilege	3976	WMIC.exe
Token: SeBackupPrivilege	3976	WMIC.exe
Token: SeRestorePrivilege	3976	WMIC.exe
Token: SeShutdownPrivilege	3976	WMIC.exe
Token: SeDebugPrivilege	3976	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3976	WMIC.exe
Token: SeRemoteShutdownPrivilege	3976	WMIC.exe
Token: SeUndockPrivilege	3976	WMIC.exe
Token: SeManageVolumePrivilege	3976	WMIC.exe
Token: 33	3976	WMIC.exe
Token: 34	3976	WMIC.exe
Token: 35	3976	WMIC.exe
Token: 36	3976	WMIC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 3272	4836	fd3569bdf323487fdc45516ef598a0ab_JaffaCakes118.exe	92
PID 4836 wrote to memory of 3272	4836	fd3569bdf323487fdc45516ef598a0ab_JaffaCakes118.exe	92
PID 4836 wrote to memory of 3272	4836	fd3569bdf323487fdc45516ef598a0ab_JaffaCakes118.exe	92
PID 3272 wrote to memory of 3976	3272	cmd.exe	94
PID 3272 wrote to memory of 3976	3272	cmd.exe	94
PID 3272 wrote to memory of 3976	3272	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\fd3569bdf323487fdc45516ef598a0ab_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fd3569bdf323487fdc45516ef598a0ab_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:4836
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3272
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3976
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 2148
  2⤵
  - Program crash
  PID:2724
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 1696
  2⤵
  - Program crash
  PID:4140

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1420 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
1⤵
PID:3604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4836 -ip 4836
1⤵
PID:640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4836 -ip 4836
1⤵
PID:2944

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

Exfiltration

Impact

Defacement

T1491

Replay Monitor

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Downloads

memory/4836-0-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/4836-1-0x0000000000E70000-0x0000000000E86000-memory.dmp

Filesize
88KB

Download
memory/4836-2-0x0000000005D20000-0x00000000062C4000-memory.dmp

Filesize
5.6MB

Download
memory/4836-3-0x0000000005850000-0x00000000058E2000-memory.dmp

Filesize
584KB

Download
memory/4836-4-0x0000000005AE0000-0x0000000005AF0000-memory.dmp

Filesize
64KB

Download
memory/4836-23-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/4836-44-0x0000000005AE0000-0x0000000005AF0000-memory.dmp

Filesize
64KB

Download
memory/4836-94-0x0000000001660000-0x000000000166A000-memory.dmp

Filesize
40KB

Download
memory/4836-95-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download