nitro | 155e6b0ba6cc29659970f69c00034f7b591e8f63c4727a12c64f13f7543421e3

General

Target

89fbfa647b0558f766bee4029fe66187.exe
Size

62KB
MD5

89fbfa647b0558f766bee4029fe66187
SHA1

72260bdc557b500d3c4c13d8f1228c0b49c5ae95
SHA256

155e6b0ba6cc29659970f69c00034f7b591e8f63c4727a12c64f13f7543421e3
SHA512

025485d9577127babd06b130de117f0b9c756b8a90f0fb6a00399411bb5f284e94e81412a45e5f98a4c3927a32139216c34ffdf5c73c2288f2ddc88cb89b4fc4

Score

10^/10

nitro persistence ransomware

Malware Config

Signatures

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

Modifies extensions of user files 8 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

89fbfa647b0558f766bee4029fe66187.exe

description	ioc	process
File created	C:\Users\Admin\Pictures\RenameRemove.tiff.givemenitro	89fbfa647b0558f766bee4029fe66187.exe
File opened for modification	C:\Users\Admin\Pictures\RenameRemove.tiff	89fbfa647b0558f766bee4029fe66187.exe
File created	C:\Users\Admin\Pictures\StepGroup.tiff.givemenitro	89fbfa647b0558f766bee4029fe66187.exe
File opened for modification	C:\Users\Admin\Pictures\StepGroup.tiff	89fbfa647b0558f766bee4029fe66187.exe
File created	C:\Users\Admin\Pictures\ConvertToUnregister.png.givemenitro	89fbfa647b0558f766bee4029fe66187.exe
File created	C:\Users\Admin\Pictures\DisableClose.tiff.givemenitro	89fbfa647b0558f766bee4029fe66187.exe
File opened for modification	C:\Users\Admin\Pictures\DisableClose.tiff	89fbfa647b0558f766bee4029fe66187.exe
File created	C:\Users\Admin\Pictures\ReceiveCompress.tif.givemenitro	89fbfa647b0558f766bee4029fe66187.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

89fbfa647b0558f766bee4029fe66187.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\89fbfa647b0558f766bee4029fe66187.exe\""	89fbfa647b0558f766bee4029fe66187.exe

Drops desktop.ini file(s) 5 IoCs

Processes:

89fbfa647b0558f766bee4029fe66187.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	89fbfa647b0558f766bee4029fe66187.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	89fbfa647b0558f766bee4029fe66187.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	89fbfa647b0558f766bee4029fe66187.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	89fbfa647b0558f766bee4029fe66187.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	89fbfa647b0558f766bee4029fe66187.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.

Processes:

flow ioc

8 api.ipify.org
9 api.ipify.org

flow	ioc
8	api.ipify.org
9	api.ipify.org

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

89fbfa647b0558f766bee4029fe66187.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	89fbfa647b0558f766bee4029fe66187.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

89fbfa647b0558f766bee4029fe66187.exe

pid process

3128 89fbfa647b0558f766bee4029fe66187.exe
3128 89fbfa647b0558f766bee4029fe66187.exe

pid	process
3128	89fbfa647b0558f766bee4029fe66187.exe
3128	89fbfa647b0558f766bee4029fe66187.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

Processes:

89fbfa647b0558f766bee4029fe66187.exeWMIC.exe

description	pid	process
Token: SeDebugPrivilege	3128	89fbfa647b0558f766bee4029fe66187.exe
Token: SeIncreaseQuotaPrivilege	3420	WMIC.exe
Token: SeSecurityPrivilege	3420	WMIC.exe
Token: SeTakeOwnershipPrivilege	3420	WMIC.exe
Token: SeLoadDriverPrivilege	3420	WMIC.exe
Token: SeSystemProfilePrivilege	3420	WMIC.exe
Token: SeSystemtimePrivilege	3420	WMIC.exe
Token: SeProfSingleProcessPrivilege	3420	WMIC.exe
Token: SeIncBasePriorityPrivilege	3420	WMIC.exe
Token: SeCreatePagefilePrivilege	3420	WMIC.exe
Token: SeBackupPrivilege	3420	WMIC.exe
Token: SeRestorePrivilege	3420	WMIC.exe
Token: SeShutdownPrivilege	3420	WMIC.exe
Token: SeDebugPrivilege	3420	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3420	WMIC.exe
Token: SeRemoteShutdownPrivilege	3420	WMIC.exe
Token: SeUndockPrivilege	3420	WMIC.exe
Token: SeManageVolumePrivilege	3420	WMIC.exe
Token: 33	3420	WMIC.exe
Token: 34	3420	WMIC.exe
Token: 35	3420	WMIC.exe
Token: 36	3420	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3420	WMIC.exe
Token: SeSecurityPrivilege	3420	WMIC.exe
Token: SeTakeOwnershipPrivilege	3420	WMIC.exe
Token: SeLoadDriverPrivilege	3420	WMIC.exe
Token: SeSystemProfilePrivilege	3420	WMIC.exe
Token: SeSystemtimePrivilege	3420	WMIC.exe
Token: SeProfSingleProcessPrivilege	3420	WMIC.exe
Token: SeIncBasePriorityPrivilege	3420	WMIC.exe
Token: SeCreatePagefilePrivilege	3420	WMIC.exe
Token: SeBackupPrivilege	3420	WMIC.exe
Token: SeRestorePrivilege	3420	WMIC.exe
Token: SeShutdownPrivilege	3420	WMIC.exe
Token: SeDebugPrivilege	3420	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3420	WMIC.exe
Token: SeRemoteShutdownPrivilege	3420	WMIC.exe
Token: SeUndockPrivilege	3420	WMIC.exe
Token: SeManageVolumePrivilege	3420	WMIC.exe
Token: 33	3420	WMIC.exe
Token: 34	3420	WMIC.exe
Token: 35	3420	WMIC.exe
Token: 36	3420	WMIC.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

89fbfa647b0558f766bee4029fe66187.execmd.exe

description	pid	process	target process
PID 3128 wrote to memory of 2784	3128	89fbfa647b0558f766bee4029fe66187.exe	cmd.exe
PID 3128 wrote to memory of 2784	3128	89fbfa647b0558f766bee4029fe66187.exe	cmd.exe
PID 3128 wrote to memory of 2784	3128	89fbfa647b0558f766bee4029fe66187.exe	cmd.exe
PID 2784 wrote to memory of 3420	2784	cmd.exe	WMIC.exe
PID 2784 wrote to memory of 3420	2784	cmd.exe	WMIC.exe
PID 2784 wrote to memory of 3420	2784	cmd.exe	WMIC.exe

C:\Users\Admin\AppData\Local\Temp\89fbfa647b0558f766bee4029fe66187.exe
"C:\Users\Admin\AppData\Local\Temp\89fbfa647b0558f766bee4029fe66187.exe"
1⤵
- Modifies extensions of user files
- 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:3128
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3420

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

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Downloads

memory/2784-118-0x0000000000000000-mapping.dmp

Download
memory/3128-114-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/3128-116-0x0000000004D70000-0x0000000004D71000-memory.dmp

Filesize
4KB

Download
memory/3128-117-0x0000000004970000-0x0000000004971000-memory.dmp

Filesize
4KB

Download
memory/3128-120-0x0000000004870000-0x0000000004D6E000-memory.dmp

Filesize
5.0MB

Download
memory/3128-121-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/3128-122-0x0000000004870000-0x0000000004D6E000-memory.dmp

Filesize
5.0MB

Download
memory/3128-123-0x0000000004870000-0x0000000004D6E000-memory.dmp

Filesize
5.0MB

Download
memory/3420-119-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads