nitro | dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
25-07-2024 01:28

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General

Target

LisectAVT_2403002B_444.exe
Size

108KB
MD5

72686c1e9b00ec1e980bc2eb58677ca1
SHA1

93636eb6cdab3fbf0ddb212077ea1484c094f70b
SHA256

dfa7a2d95a5fe8820b0bc61c4d687da804446c222dd30e4b7c9f379c531ce60f
SHA512

a522b0258cae030f52bb9ff4c334d5c793807f0041adbb87e98c14e7f1b954a8dd9c833ce62328df30fdeb0c197eebb2ae375b821e63f64f227701d041c290a2
SSDEEP

1536:fO2KDNAPWr/0O8/obeGuXZlZXWYvsR+79dj5V4huWoa:RKDNgWN8/obpR+Hj5ihuPa

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 (84) 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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\LisectAVT_2403002B_444.exe\""	LisectAVT_2403002B_444.exe

Drops desktop.ini file(s) 3 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	LisectAVT_2403002B_444.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	LisectAVT_2403002B_444.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	LisectAVT_2403002B_444.exe

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

Web Service

T1102

flow	ioc
11	discord.com
6	discord.com
7	discord.com
8	discord.com
9	discord.com
10	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-1-5-21-3434294380-2554721341-1919518612-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	LisectAVT_2403002B_444.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg"	LisectAVT_2403002B_444.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	LisectAVT_2403002B_444.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
2240	LisectAVT_2403002B_444.exe
2240	LisectAVT_2403002B_444.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeDebugPrivilege	2240	LisectAVT_2403002B_444.exe
Token: SeIncreaseQuotaPrivilege	2524	WMIC.exe
Token: SeSecurityPrivilege	2524	WMIC.exe
Token: SeTakeOwnershipPrivilege	2524	WMIC.exe
Token: SeLoadDriverPrivilege	2524	WMIC.exe
Token: SeSystemProfilePrivilege	2524	WMIC.exe
Token: SeSystemtimePrivilege	2524	WMIC.exe
Token: SeProfSingleProcessPrivilege	2524	WMIC.exe
Token: SeIncBasePriorityPrivilege	2524	WMIC.exe
Token: SeCreatePagefilePrivilege	2524	WMIC.exe
Token: SeBackupPrivilege	2524	WMIC.exe
Token: SeRestorePrivilege	2524	WMIC.exe
Token: SeShutdownPrivilege	2524	WMIC.exe
Token: SeDebugPrivilege	2524	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2524	WMIC.exe
Token: SeRemoteShutdownPrivilege	2524	WMIC.exe
Token: SeUndockPrivilege	2524	WMIC.exe
Token: SeManageVolumePrivilege	2524	WMIC.exe
Token: 33	2524	WMIC.exe
Token: 34	2524	WMIC.exe
Token: 35	2524	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2524	WMIC.exe
Token: SeSecurityPrivilege	2524	WMIC.exe
Token: SeTakeOwnershipPrivilege	2524	WMIC.exe
Token: SeLoadDriverPrivilege	2524	WMIC.exe
Token: SeSystemProfilePrivilege	2524	WMIC.exe
Token: SeSystemtimePrivilege	2524	WMIC.exe
Token: SeProfSingleProcessPrivilege	2524	WMIC.exe
Token: SeIncBasePriorityPrivilege	2524	WMIC.exe
Token: SeCreatePagefilePrivilege	2524	WMIC.exe
Token: SeBackupPrivilege	2524	WMIC.exe
Token: SeRestorePrivilege	2524	WMIC.exe
Token: SeShutdownPrivilege	2524	WMIC.exe
Token: SeDebugPrivilege	2524	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2524	WMIC.exe
Token: SeRemoteShutdownPrivilege	2524	WMIC.exe
Token: SeUndockPrivilege	2524	WMIC.exe
Token: SeManageVolumePrivilege	2524	WMIC.exe
Token: 33	2524	WMIC.exe
Token: 34	2524	WMIC.exe
Token: 35	2524	WMIC.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 1320	2240	LisectAVT_2403002B_444.exe	28
PID 2240 wrote to memory of 1320	2240	LisectAVT_2403002B_444.exe	28
PID 2240 wrote to memory of 1320	2240	LisectAVT_2403002B_444.exe	28
PID 2240 wrote to memory of 1320	2240	LisectAVT_2403002B_444.exe	28
PID 1320 wrote to memory of 2524	1320	cmd.exe	30
PID 1320 wrote to memory of 2524	1320	cmd.exe	30
PID 1320 wrote to memory of 2524	1320	cmd.exe	30
PID 1320 wrote to memory of 2524	1320	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002B_444.exe
"C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002B_444.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:2240
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1320
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2524

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

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/2240-0-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

Filesize
4KB

Download
memory/2240-1-0x00000000011E0000-0x0000000001202000-memory.dmp

Filesize
136KB

Download
memory/2240-2-0x0000000074D80000-0x000000007546E000-memory.dmp

Filesize
6.9MB

Download
memory/2240-51-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

Filesize
4KB

Download
memory/2240-63-0x0000000074D80000-0x000000007546E000-memory.dmp

Filesize
6.9MB

Download
memory/2240-92-0x0000000074D80000-0x000000007546E000-memory.dmp

Filesize
6.9MB

Download
memory/2240-93-0x0000000074D80000-0x000000007546E000-memory.dmp

Filesize
6.9MB

Download