nitro | 1194aebc9a0016084f6966b07a171e4c62ce1b21580d177a876873641692ee13

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
20-04-2024 05:58

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General

Target

fc140a218780fadbbcd7570fb7e6df3f_JaffaCakes118.exe
Size

60KB
MD5

fc140a218780fadbbcd7570fb7e6df3f
SHA1

96b6e8c81f4c9b2e338bd5be3b538d759b9cca2c
SHA256

1194aebc9a0016084f6966b07a171e4c62ce1b21580d177a876873641692ee13
SHA512

d4754d4efad60d145138d4056c18691f14de76a1d916c0b0a70fd180680ce010720c0bd101338b3c583176291549bda81a91b0a21410da0ea1dd65f651c04675
SSDEEP

768:ZOucKn7n1JFDNANIU+/ovLDwUzc80gmq3oP/oDt:ZO2FDNAPjr/0O8/op

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 (100) 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-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\fc140a218780fadbbcd7570fb7e6df3f_JaffaCakes118.exe\""	fc140a218780fadbbcd7570fb7e6df3f_JaffaCakes118.exe

Drops desktop.ini file(s) 5 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	fc140a218780fadbbcd7570fb7e6df3f_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	fc140a218780fadbbcd7570fb7e6df3f_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	fc140a218780fadbbcd7570fb7e6df3f_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	fc140a218780fadbbcd7570fb7e6df3f_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	fc140a218780fadbbcd7570fb7e6df3f_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
9	api.ipify.org
10	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-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	fc140a218780fadbbcd7570fb7e6df3f_JaffaCakes118.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1696	4992	WerFault.exe	84
4040	4992	WerFault.exe	84

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4992	fc140a218780fadbbcd7570fb7e6df3f_JaffaCakes118.exe
4992	fc140a218780fadbbcd7570fb7e6df3f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	4992	fc140a218780fadbbcd7570fb7e6df3f_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4684	WMIC.exe
Token: SeSecurityPrivilege	4684	WMIC.exe
Token: SeTakeOwnershipPrivilege	4684	WMIC.exe
Token: SeLoadDriverPrivilege	4684	WMIC.exe
Token: SeSystemProfilePrivilege	4684	WMIC.exe
Token: SeSystemtimePrivilege	4684	WMIC.exe
Token: SeProfSingleProcessPrivilege	4684	WMIC.exe
Token: SeIncBasePriorityPrivilege	4684	WMIC.exe
Token: SeCreatePagefilePrivilege	4684	WMIC.exe
Token: SeBackupPrivilege	4684	WMIC.exe
Token: SeRestorePrivilege	4684	WMIC.exe
Token: SeShutdownPrivilege	4684	WMIC.exe
Token: SeDebugPrivilege	4684	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4684	WMIC.exe
Token: SeRemoteShutdownPrivilege	4684	WMIC.exe
Token: SeUndockPrivilege	4684	WMIC.exe
Token: SeManageVolumePrivilege	4684	WMIC.exe
Token: 33	4684	WMIC.exe
Token: 34	4684	WMIC.exe
Token: 35	4684	WMIC.exe
Token: 36	4684	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4684	WMIC.exe
Token: SeSecurityPrivilege	4684	WMIC.exe
Token: SeTakeOwnershipPrivilege	4684	WMIC.exe
Token: SeLoadDriverPrivilege	4684	WMIC.exe
Token: SeSystemProfilePrivilege	4684	WMIC.exe
Token: SeSystemtimePrivilege	4684	WMIC.exe
Token: SeProfSingleProcessPrivilege	4684	WMIC.exe
Token: SeIncBasePriorityPrivilege	4684	WMIC.exe
Token: SeCreatePagefilePrivilege	4684	WMIC.exe
Token: SeBackupPrivilege	4684	WMIC.exe
Token: SeRestorePrivilege	4684	WMIC.exe
Token: SeShutdownPrivilege	4684	WMIC.exe
Token: SeDebugPrivilege	4684	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4684	WMIC.exe
Token: SeRemoteShutdownPrivilege	4684	WMIC.exe
Token: SeUndockPrivilege	4684	WMIC.exe
Token: SeManageVolumePrivilege	4684	WMIC.exe
Token: 33	4684	WMIC.exe
Token: 34	4684	WMIC.exe
Token: 35	4684	WMIC.exe
Token: 36	4684	WMIC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 4404	4992	fc140a218780fadbbcd7570fb7e6df3f_JaffaCakes118.exe	85
PID 4992 wrote to memory of 4404	4992	fc140a218780fadbbcd7570fb7e6df3f_JaffaCakes118.exe	85
PID 4992 wrote to memory of 4404	4992	fc140a218780fadbbcd7570fb7e6df3f_JaffaCakes118.exe	85
PID 4404 wrote to memory of 4684	4404	cmd.exe	87
PID 4404 wrote to memory of 4684	4404	cmd.exe	87
PID 4404 wrote to memory of 4684	4404	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\fc140a218780fadbbcd7570fb7e6df3f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc140a218780fadbbcd7570fb7e6df3f_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:4992
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4404
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4684
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 2288
  2⤵
  - Program crash
  PID:1696
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 2288
  2⤵
  - Program crash
  PID:4040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4992 -ip 4992
1⤵
PID:4112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4992 -ip 4992
1⤵
PID:4788

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/4992-0-0x0000000000C70000-0x0000000000C86000-memory.dmp

Filesize
88KB

Download
memory/4992-1-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/4992-2-0x0000000005BF0000-0x0000000006194000-memory.dmp

Filesize
5.6MB

Download
memory/4992-3-0x0000000005640000-0x00000000056D2000-memory.dmp

Filesize
584KB

Download
memory/4992-4-0x0000000005910000-0x0000000005920000-memory.dmp

Filesize
64KB

Download
memory/4992-62-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/4992-68-0x0000000005910000-0x0000000005920000-memory.dmp

Filesize
64KB

Download
memory/4992-109-0x00000000063D0000-0x00000000063DA000-memory.dmp

Filesize
40KB

Download
memory/4992-110-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download