nitro | 73d55d99c41e89daa8c9bd213d02974d89b53c3e5a0dcd5bbf0b99ff36424cac

Analysis

max time kernel
144s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 06:03

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General

Target

92eea22c70cf0fe4116b1021e91eb373_JaffaCakes118.exe
Size

61KB
MD5

92eea22c70cf0fe4116b1021e91eb373
SHA1

66b8c24be3b82ecbbebb5e5a70ddf746d212e16f
SHA256

73d55d99c41e89daa8c9bd213d02974d89b53c3e5a0dcd5bbf0b99ff36424cac
SHA512

b8d2b6bba4027bda2ac3ef09c346a1e8ee768afb990bcacbd860bbead42a420303814e4f4081a32b81f89085b53879f7ce888c864cf34654a7c066facb44d035
SSDEEP

768:HKsMqCXfVcWO/M9ZkiANIUM+2YLDwUzc80gmq3oP/oDH:HKseiM9ZkiAPhr/0O8/oj

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
Nitro family
nitro
Renames multiple (68) 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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\92eea22c70cf0fe4116b1021e91eb373_JaffaCakes118.exe\""	92eea22c70cf0fe4116b1021e91eb373_JaffaCakes118.exe

Drops desktop.ini file(s) 3 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	92eea22c70cf0fe4116b1021e91eb373_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	92eea22c70cf0fe4116b1021e91eb373_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	92eea22c70cf0fe4116b1021e91eb373_JaffaCakes118.exe

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

Web Service

T1102

flow	ioc
6	discord.com
7	discord.com
8	discord.com
9	discord.com
10	discord.com
11	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
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-1-5-21-2872745919-2748461613-2989606286-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	92eea22c70cf0fe4116b1021e91eb373_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg"	92eea22c70cf0fe4116b1021e91eb373_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	WMIC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	92eea22c70cf0fe4116b1021e91eb373_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1972	92eea22c70cf0fe4116b1021e91eb373_JaffaCakes118.exe
1972	92eea22c70cf0fe4116b1021e91eb373_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeDebugPrivilege	1972	92eea22c70cf0fe4116b1021e91eb373_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2292	WMIC.exe
Token: SeSecurityPrivilege	2292	WMIC.exe
Token: SeTakeOwnershipPrivilege	2292	WMIC.exe
Token: SeLoadDriverPrivilege	2292	WMIC.exe
Token: SeSystemProfilePrivilege	2292	WMIC.exe
Token: SeSystemtimePrivilege	2292	WMIC.exe
Token: SeProfSingleProcessPrivilege	2292	WMIC.exe
Token: SeIncBasePriorityPrivilege	2292	WMIC.exe
Token: SeCreatePagefilePrivilege	2292	WMIC.exe
Token: SeBackupPrivilege	2292	WMIC.exe
Token: SeRestorePrivilege	2292	WMIC.exe
Token: SeShutdownPrivilege	2292	WMIC.exe
Token: SeDebugPrivilege	2292	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2292	WMIC.exe
Token: SeRemoteShutdownPrivilege	2292	WMIC.exe
Token: SeUndockPrivilege	2292	WMIC.exe
Token: SeManageVolumePrivilege	2292	WMIC.exe
Token: 33	2292	WMIC.exe
Token: 34	2292	WMIC.exe
Token: 35	2292	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2292	WMIC.exe
Token: SeSecurityPrivilege	2292	WMIC.exe
Token: SeTakeOwnershipPrivilege	2292	WMIC.exe
Token: SeLoadDriverPrivilege	2292	WMIC.exe
Token: SeSystemProfilePrivilege	2292	WMIC.exe
Token: SeSystemtimePrivilege	2292	WMIC.exe
Token: SeProfSingleProcessPrivilege	2292	WMIC.exe
Token: SeIncBasePriorityPrivilege	2292	WMIC.exe
Token: SeCreatePagefilePrivilege	2292	WMIC.exe
Token: SeBackupPrivilege	2292	WMIC.exe
Token: SeRestorePrivilege	2292	WMIC.exe
Token: SeShutdownPrivilege	2292	WMIC.exe
Token: SeDebugPrivilege	2292	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2292	WMIC.exe
Token: SeRemoteShutdownPrivilege	2292	WMIC.exe
Token: SeUndockPrivilege	2292	WMIC.exe
Token: SeManageVolumePrivilege	2292	WMIC.exe
Token: 33	2292	WMIC.exe
Token: 34	2292	WMIC.exe
Token: 35	2292	WMIC.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 2272	1972	92eea22c70cf0fe4116b1021e91eb373_JaffaCakes118.exe	30
PID 1972 wrote to memory of 2272	1972	92eea22c70cf0fe4116b1021e91eb373_JaffaCakes118.exe	30
PID 1972 wrote to memory of 2272	1972	92eea22c70cf0fe4116b1021e91eb373_JaffaCakes118.exe	30
PID 1972 wrote to memory of 2272	1972	92eea22c70cf0fe4116b1021e91eb373_JaffaCakes118.exe	30
PID 2272 wrote to memory of 2292	2272	cmd.exe	32
PID 2272 wrote to memory of 2292	2272	cmd.exe	32
PID 2272 wrote to memory of 2292	2272	cmd.exe	32
PID 2272 wrote to memory of 2292	2272	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\92eea22c70cf0fe4116b1021e91eb373_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\92eea22c70cf0fe4116b1021e91eb373_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:1972
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2272
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2292

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

Web Service

T1102

Exfiltration

Impact

Defacement

T1491

Replay Monitor

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Downloads

memory/1972-0-0x000000007428E000-0x000000007428F000-memory.dmp

Filesize
4KB

Download
memory/1972-1-0x0000000000310000-0x0000000000326000-memory.dmp

Filesize
88KB

Download
memory/1972-2-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/1972-26-0x000000007428E000-0x000000007428F000-memory.dmp

Filesize
4KB

Download
memory/1972-31-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/1972-76-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/1972-77-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download