nitro | 7cca9ea23ca57d8ed6ac3f9a13b193703c04475c274920861edbfea78b4e44aa

General

Target

23cb7de182b1553bbdd9c4066c7d1f3f.exe
Size

42KB
MD5

23cb7de182b1553bbdd9c4066c7d1f3f
SHA1

64fbafd3b5f5bba8ac5a664ae5534bf19edf1ed5
SHA256

7cca9ea23ca57d8ed6ac3f9a13b193703c04475c274920861edbfea78b4e44aa
SHA512

913b2cac23a69f9f2b0bff39b445acfdd38fdeecd29e9838783c1563e23674a515c48da954648f8f89414da8e2734b80397eeb168594295f79b513110955ac67

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 16 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

23cb7de182b1553bbdd9c4066c7d1f3f.exe

description	ioc	process
File created	C:\Users\Admin\Pictures\MoveResolve.raw.givemenitro	23cb7de182b1553bbdd9c4066c7d1f3f.exe
File created	C:\Users\Admin\Pictures\RevokeInitialize.png.givemenitro	23cb7de182b1553bbdd9c4066c7d1f3f.exe
File created	C:\Users\Admin\Pictures\RevokeMerge.tif.givemenitro	23cb7de182b1553bbdd9c4066c7d1f3f.exe
File created	C:\Users\Admin\Pictures\UseLimit.tiff.givemenitro	23cb7de182b1553bbdd9c4066c7d1f3f.exe
File created	C:\Users\Admin\Pictures\ImportUninstall.tiff.givemenitro	23cb7de182b1553bbdd9c4066c7d1f3f.exe
File opened for modification	C:\Users\Admin\Pictures\ImportUninstall.tiff	23cb7de182b1553bbdd9c4066c7d1f3f.exe
File created	C:\Users\Admin\Pictures\StopBackup.png.givemenitro	23cb7de182b1553bbdd9c4066c7d1f3f.exe
File created	C:\Users\Admin\Pictures\SubmitUndo.tif.givemenitro	23cb7de182b1553bbdd9c4066c7d1f3f.exe
File created	C:\Users\Admin\Pictures\ConfirmRestore.tif.givemenitro	23cb7de182b1553bbdd9c4066c7d1f3f.exe
File created	C:\Users\Admin\Pictures\PopUnregister.tif.givemenitro	23cb7de182b1553bbdd9c4066c7d1f3f.exe
File created	C:\Users\Admin\Pictures\UnlockEdit.crw.givemenitro	23cb7de182b1553bbdd9c4066c7d1f3f.exe
File opened for modification	C:\Users\Admin\Pictures\UseLimit.tiff	23cb7de182b1553bbdd9c4066c7d1f3f.exe
File created	C:\Users\Admin\Pictures\CompleteSelect.png.givemenitro	23cb7de182b1553bbdd9c4066c7d1f3f.exe
File created	C:\Users\Admin\Pictures\FormatShow.tif.givemenitro	23cb7de182b1553bbdd9c4066c7d1f3f.exe
File created	C:\Users\Admin\Pictures\RevokeTest.tif.givemenitro	23cb7de182b1553bbdd9c4066c7d1f3f.exe
File created	C:\Users\Admin\Pictures\UseUndo.png.givemenitro	23cb7de182b1553bbdd9c4066c7d1f3f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

23cb7de182b1553bbdd9c4066c7d1f3f.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\\23cb7de182b1553bbdd9c4066c7d1f3f.exe\""	23cb7de182b1553bbdd9c4066c7d1f3f.exe

Drops desktop.ini file(s) 5 IoCs

Processes:

23cb7de182b1553bbdd9c4066c7d1f3f.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	23cb7de182b1553bbdd9c4066c7d1f3f.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	23cb7de182b1553bbdd9c4066c7d1f3f.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	23cb7de182b1553bbdd9c4066c7d1f3f.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	23cb7de182b1553bbdd9c4066c7d1f3f.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	23cb7de182b1553bbdd9c4066c7d1f3f.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

6 api.ipify.org
7 api.ipify.org

flow	ioc
6	api.ipify.org
7	api.ipify.org

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

23cb7de182b1553bbdd9c4066c7d1f3f.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"	23cb7de182b1553bbdd9c4066c7d1f3f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

23cb7de182b1553bbdd9c4066c7d1f3f.exe

pid process

580 23cb7de182b1553bbdd9c4066c7d1f3f.exe
580 23cb7de182b1553bbdd9c4066c7d1f3f.exe

pid	process
580	23cb7de182b1553bbdd9c4066c7d1f3f.exe
580	23cb7de182b1553bbdd9c4066c7d1f3f.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

Processes:

23cb7de182b1553bbdd9c4066c7d1f3f.exeWMIC.exe

description	pid	process
Token: SeDebugPrivilege	580	23cb7de182b1553bbdd9c4066c7d1f3f.exe
Token: SeIncreaseQuotaPrivilege	2392	WMIC.exe
Token: SeSecurityPrivilege	2392	WMIC.exe
Token: SeTakeOwnershipPrivilege	2392	WMIC.exe
Token: SeLoadDriverPrivilege	2392	WMIC.exe
Token: SeSystemProfilePrivilege	2392	WMIC.exe
Token: SeSystemtimePrivilege	2392	WMIC.exe
Token: SeProfSingleProcessPrivilege	2392	WMIC.exe
Token: SeIncBasePriorityPrivilege	2392	WMIC.exe
Token: SeCreatePagefilePrivilege	2392	WMIC.exe
Token: SeBackupPrivilege	2392	WMIC.exe
Token: SeRestorePrivilege	2392	WMIC.exe
Token: SeShutdownPrivilege	2392	WMIC.exe
Token: SeDebugPrivilege	2392	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2392	WMIC.exe
Token: SeRemoteShutdownPrivilege	2392	WMIC.exe
Token: SeUndockPrivilege	2392	WMIC.exe
Token: SeManageVolumePrivilege	2392	WMIC.exe
Token: 33	2392	WMIC.exe
Token: 34	2392	WMIC.exe
Token: 35	2392	WMIC.exe
Token: 36	2392	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2392	WMIC.exe
Token: SeSecurityPrivilege	2392	WMIC.exe
Token: SeTakeOwnershipPrivilege	2392	WMIC.exe
Token: SeLoadDriverPrivilege	2392	WMIC.exe
Token: SeSystemProfilePrivilege	2392	WMIC.exe
Token: SeSystemtimePrivilege	2392	WMIC.exe
Token: SeProfSingleProcessPrivilege	2392	WMIC.exe
Token: SeIncBasePriorityPrivilege	2392	WMIC.exe
Token: SeCreatePagefilePrivilege	2392	WMIC.exe
Token: SeBackupPrivilege	2392	WMIC.exe
Token: SeRestorePrivilege	2392	WMIC.exe
Token: SeShutdownPrivilege	2392	WMIC.exe
Token: SeDebugPrivilege	2392	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2392	WMIC.exe
Token: SeRemoteShutdownPrivilege	2392	WMIC.exe
Token: SeUndockPrivilege	2392	WMIC.exe
Token: SeManageVolumePrivilege	2392	WMIC.exe
Token: 33	2392	WMIC.exe
Token: 34	2392	WMIC.exe
Token: 35	2392	WMIC.exe
Token: 36	2392	WMIC.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

23cb7de182b1553bbdd9c4066c7d1f3f.execmd.exe

description	pid	process	target process
PID 580 wrote to memory of 1524	580	23cb7de182b1553bbdd9c4066c7d1f3f.exe	cmd.exe
PID 580 wrote to memory of 1524	580	23cb7de182b1553bbdd9c4066c7d1f3f.exe	cmd.exe
PID 580 wrote to memory of 1524	580	23cb7de182b1553bbdd9c4066c7d1f3f.exe	cmd.exe
PID 1524 wrote to memory of 2392	1524	cmd.exe	WMIC.exe
PID 1524 wrote to memory of 2392	1524	cmd.exe	WMIC.exe
PID 1524 wrote to memory of 2392	1524	cmd.exe	WMIC.exe

C:\Users\Admin\AppData\Local\Temp\23cb7de182b1553bbdd9c4066c7d1f3f.exe
"C:\Users\Admin\AppData\Local\Temp\23cb7de182b1553bbdd9c4066c7d1f3f.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:580

C:\Windows\SysWOW64\cmd.exe
"cmd.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1524

C:\Windows\SysWOW64\Wbem\WMIC.exe
wmic csproduct get uuid
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2392

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Defacement

1

T1491

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Downloads

memory/580-114-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/580-116-0x0000000000AC0000-0x0000000000AD0000-memory.dmp

Filesize
64KB

Download
memory/580-117-0x0000000007290000-0x0000000007291000-memory.dmp

Filesize
4KB

Download
memory/580-118-0x0000000006E70000-0x0000000006E71000-memory.dmp

Filesize
4KB

Download
memory/580-121-0x0000000000AE0000-0x0000000000AE1000-memory.dmp

Filesize
4KB

Download
memory/580-122-0x00000000009E0000-0x00000000009E1000-memory.dmp

Filesize
4KB

Download
memory/580-124-0x0000000000AE4000-0x0000000000AE6000-memory.dmp

Filesize
8KB

Download
memory/580-123-0x0000000000AE1000-0x0000000000AE2000-memory.dmp

Filesize
4KB

Download
memory/1524-119-0x0000000000000000-mapping.dmp

Download
memory/2392-120-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads