nitro | 1ce72c1b0c2abec8e895a1d97778e12642700a78999f63b02dcd5a6bf5721a9c

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12-01-2024 15:28

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General

Target

56d38ab845746b9706c51859e9591765.exe
Size

35KB
MD5

56d38ab845746b9706c51859e9591765
SHA1

758031a2724e854364887e88dcfccb0fd3645ccd
SHA256

1ce72c1b0c2abec8e895a1d97778e12642700a78999f63b02dcd5a6bf5721a9c
SHA512

75127a4d5d6ac211c9944fd6fc6910b5123667569e720964645167d478ac5d3b29306996a9f9127753607b02f9e0470714a4a0d3502b6693538f346f9dd3ff1d
SSDEEP

768:SqUg8PaEPPHHzYIwiADy557s3zHSYDkb+YEE89fA:SqQPPnzYjiADy55Q+YDkbqE89I

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 (87) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Deletes itself 1 IoCs

pid	Process
2772	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2348	NitroRansomware.exe

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-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\NitroRansomware.exe\""	NitroRansomware.exe

Drops desktop.ini file(s) 3 IoCs

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

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

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
2	api.ipify.org
3	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-1-5-21-928733405-3780110381-2966456290-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	NitroRansomware.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg"	NitroRansomware.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
2888	PING.EXE
2976	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2348	NitroRansomware.exe
2348	NitroRansomware.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeDebugPrivilege	2348	NitroRansomware.exe
Token: SeIncreaseQuotaPrivilege	1104	WMIC.exe
Token: SeSecurityPrivilege	1104	WMIC.exe
Token: SeTakeOwnershipPrivilege	1104	WMIC.exe
Token: SeLoadDriverPrivilege	1104	WMIC.exe
Token: SeSystemProfilePrivilege	1104	WMIC.exe
Token: SeSystemtimePrivilege	1104	WMIC.exe
Token: SeProfSingleProcessPrivilege	1104	WMIC.exe
Token: SeIncBasePriorityPrivilege	1104	WMIC.exe
Token: SeCreatePagefilePrivilege	1104	WMIC.exe
Token: SeBackupPrivilege	1104	WMIC.exe
Token: SeRestorePrivilege	1104	WMIC.exe
Token: SeShutdownPrivilege	1104	WMIC.exe
Token: SeDebugPrivilege	1104	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1104	WMIC.exe
Token: SeRemoteShutdownPrivilege	1104	WMIC.exe
Token: SeUndockPrivilege	1104	WMIC.exe
Token: SeManageVolumePrivilege	1104	WMIC.exe
Token: 33	1104	WMIC.exe
Token: 34	1104	WMIC.exe
Token: 35	1104	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1104	WMIC.exe
Token: SeSecurityPrivilege	1104	WMIC.exe
Token: SeTakeOwnershipPrivilege	1104	WMIC.exe
Token: SeLoadDriverPrivilege	1104	WMIC.exe
Token: SeSystemProfilePrivilege	1104	WMIC.exe
Token: SeSystemtimePrivilege	1104	WMIC.exe
Token: SeProfSingleProcessPrivilege	1104	WMIC.exe
Token: SeIncBasePriorityPrivilege	1104	WMIC.exe
Token: SeCreatePagefilePrivilege	1104	WMIC.exe
Token: SeBackupPrivilege	1104	WMIC.exe
Token: SeRestorePrivilege	1104	WMIC.exe
Token: SeShutdownPrivilege	1104	WMIC.exe
Token: SeDebugPrivilege	1104	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1104	WMIC.exe
Token: SeRemoteShutdownPrivilege	1104	WMIC.exe
Token: SeUndockPrivilege	1104	WMIC.exe
Token: SeManageVolumePrivilege	1104	WMIC.exe
Token: 33	1104	WMIC.exe
Token: 34	1104	WMIC.exe
Token: 35	1104	WMIC.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 2348	2404	56d38ab845746b9706c51859e9591765.exe	28
PID 2404 wrote to memory of 2348	2404	56d38ab845746b9706c51859e9591765.exe	28
PID 2404 wrote to memory of 2348	2404	56d38ab845746b9706c51859e9591765.exe	28
PID 2404 wrote to memory of 2348	2404	56d38ab845746b9706c51859e9591765.exe	28
PID 2404 wrote to memory of 2772	2404	56d38ab845746b9706c51859e9591765.exe	29
PID 2404 wrote to memory of 2772	2404	56d38ab845746b9706c51859e9591765.exe	29
PID 2404 wrote to memory of 2772	2404	56d38ab845746b9706c51859e9591765.exe	29
PID 2772 wrote to memory of 2888	2772	cmd.exe	31
PID 2772 wrote to memory of 2888	2772	cmd.exe	31
PID 2772 wrote to memory of 2888	2772	cmd.exe	31
PID 2772 wrote to memory of 2976	2772	cmd.exe	32
PID 2772 wrote to memory of 2976	2772	cmd.exe	32
PID 2772 wrote to memory of 2976	2772	cmd.exe	32
PID 2348 wrote to memory of 2880	2348	NitroRansomware.exe	33
PID 2348 wrote to memory of 2880	2348	NitroRansomware.exe	33
PID 2348 wrote to memory of 2880	2348	NitroRansomware.exe	33
PID 2348 wrote to memory of 2880	2348	NitroRansomware.exe	33
PID 2880 wrote to memory of 1104	2880	cmd.exe	35
PID 2880 wrote to memory of 1104	2880	cmd.exe	35
PID 2880 wrote to memory of 1104	2880	cmd.exe	35
PID 2880 wrote to memory of 1104	2880	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\56d38ab845746b9706c51859e9591765.exe
"C:\Users\Admin\AppData\Local\Temp\56d38ab845746b9706c51859e9591765.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Users\Admin\AppData\Local\Temp\NitroRansomware.exe
  "C:\Users\Admin\AppData\Local\Temp\NitroRansomware.exe"
  2⤵
  - Executes dropped EXE
  - 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:2348
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2880
  - - C:\Windows\SysWOW64\Wbem\WMIC.exe
      wmic csproduct get uuid
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:1104
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 100 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\56d38ab845746b9706c51859e9591765.exe"& ping 1.1.1.1 -n 1 -w 900 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\56d38ab845746b9706c51859e9591765.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2772
- - C:\Windows\system32\PING.EXE
    ping 1.1.1.1 -n 1 -w 100
    3⤵
    - Runs ping.exe
    PID:2888
- - C:\Windows\system32\PING.EXE
    ping 1.1.1.1 -n 1 -w 900
    3⤵
    - Runs ping.exe
    PID:2976

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

Remote System Discovery

T1018

System Information Discovery

T1082

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

C:\Users\Admin\AppData\Local\Temp\NitroRansomware.exe

Filesize
61KB

MD5
1484a0ecf720d351f8897c2f9b3f5046

SHA1
8770a72054cc21f07051df2b4c0f7775cc4fa731

SHA256
a00d950fbee25d407f79f5d7211cbd1f15d27f89bf5714e44f222c9013f6c131

SHA512
136ef22f74ed55859bb143a26b2dbf1f4bb84c267d461e60d44934eb879a9efc4902e05dd386bb4926ea2cc469f8f7efe24ae6d6a4bb45511b4939558b379d97

Download Submit
memory/2348-11-0x0000000000DF0000-0x0000000000E06000-memory.dmp

Filesize
88KB

Download
memory/2348-12-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-13-0x0000000004B30000-0x0000000004B70000-memory.dmp

Filesize
256KB

Download
memory/2348-52-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-57-0x0000000004B30000-0x0000000004B70000-memory.dmp

Filesize
256KB

Download
memory/2348-106-0x0000000004B30000-0x0000000004B70000-memory.dmp

Filesize
256KB

Download
memory/2348-107-0x0000000004B30000-0x0000000004B70000-memory.dmp

Filesize
256KB

Download
memory/2404-0-0x0000000001180000-0x0000000001190000-memory.dmp

Filesize
64KB

Download
memory/2404-1-0x000007FEF6280000-0x000007FEF6C6C000-memory.dmp

Filesize
9.9MB

Download
memory/2404-2-0x000000001B520000-0x000000001B5A0000-memory.dmp

Filesize
512KB

Download
memory/2404-10-0x000007FEF6280000-0x000007FEF6C6C000-memory.dmp

Filesize
9.9MB

Download