nitro | 4ba38b73e35c692b444708f34b41b6261644c3d6851a310918f0045878d795ac

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
16-01-2024 18:55

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General

Target

60a032fe8fd5a04cfafab8a8fa869a29.exe
Size

60KB
MD5

60a032fe8fd5a04cfafab8a8fa869a29
SHA1

4436375a70a009db43a83d3391bdd7cee0c687e5
SHA256

4ba38b73e35c692b444708f34b41b6261644c3d6851a310918f0045878d795ac
SHA512

6858803d823f5e777e843bfa172627389286f8d912d441a7edaf30d78e3a80ce12aac5b227ce583432aba754af80ec6f1a0cc8787861996934dba30b3572c99d
SSDEEP

768:/OucKn7n1JpDLANIULK9LDwUzc80gmq3oP/oDo:/O2pDLAPIr/0O8/oU

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 (65) 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-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\60a032fe8fd5a04cfafab8a8fa869a29.exe\""	60a032fe8fd5a04cfafab8a8fa869a29.exe

Drops desktop.ini file(s) 3 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Documents\desktop.ini	60a032fe8fd5a04cfafab8a8fa869a29.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	60a032fe8fd5a04cfafab8a8fa869a29.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	60a032fe8fd5a04cfafab8a8fa869a29.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.

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-1-5-21-3470981204-343661084-3367201002-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	60a032fe8fd5a04cfafab8a8fa869a29.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg"	60a032fe8fd5a04cfafab8a8fa869a29.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2888	60a032fe8fd5a04cfafab8a8fa869a29.exe
2888	60a032fe8fd5a04cfafab8a8fa869a29.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeDebugPrivilege	2888	60a032fe8fd5a04cfafab8a8fa869a29.exe
Token: SeIncreaseQuotaPrivilege	2320	WMIC.exe
Token: SeSecurityPrivilege	2320	WMIC.exe
Token: SeTakeOwnershipPrivilege	2320	WMIC.exe
Token: SeLoadDriverPrivilege	2320	WMIC.exe
Token: SeSystemProfilePrivilege	2320	WMIC.exe
Token: SeSystemtimePrivilege	2320	WMIC.exe
Token: SeProfSingleProcessPrivilege	2320	WMIC.exe
Token: SeIncBasePriorityPrivilege	2320	WMIC.exe
Token: SeCreatePagefilePrivilege	2320	WMIC.exe
Token: SeBackupPrivilege	2320	WMIC.exe
Token: SeRestorePrivilege	2320	WMIC.exe
Token: SeShutdownPrivilege	2320	WMIC.exe
Token: SeDebugPrivilege	2320	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2320	WMIC.exe
Token: SeRemoteShutdownPrivilege	2320	WMIC.exe
Token: SeUndockPrivilege	2320	WMIC.exe
Token: SeManageVolumePrivilege	2320	WMIC.exe
Token: 33	2320	WMIC.exe
Token: 34	2320	WMIC.exe
Token: 35	2320	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2320	WMIC.exe
Token: SeSecurityPrivilege	2320	WMIC.exe
Token: SeTakeOwnershipPrivilege	2320	WMIC.exe
Token: SeLoadDriverPrivilege	2320	WMIC.exe
Token: SeSystemProfilePrivilege	2320	WMIC.exe
Token: SeSystemtimePrivilege	2320	WMIC.exe
Token: SeProfSingleProcessPrivilege	2320	WMIC.exe
Token: SeIncBasePriorityPrivilege	2320	WMIC.exe
Token: SeCreatePagefilePrivilege	2320	WMIC.exe
Token: SeBackupPrivilege	2320	WMIC.exe
Token: SeRestorePrivilege	2320	WMIC.exe
Token: SeShutdownPrivilege	2320	WMIC.exe
Token: SeDebugPrivilege	2320	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2320	WMIC.exe
Token: SeRemoteShutdownPrivilege	2320	WMIC.exe
Token: SeUndockPrivilege	2320	WMIC.exe
Token: SeManageVolumePrivilege	2320	WMIC.exe
Token: 33	2320	WMIC.exe
Token: 34	2320	WMIC.exe
Token: 35	2320	WMIC.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2784	2888	60a032fe8fd5a04cfafab8a8fa869a29.exe	28
PID 2888 wrote to memory of 2784	2888	60a032fe8fd5a04cfafab8a8fa869a29.exe	28
PID 2888 wrote to memory of 2784	2888	60a032fe8fd5a04cfafab8a8fa869a29.exe	28
PID 2888 wrote to memory of 2784	2888	60a032fe8fd5a04cfafab8a8fa869a29.exe	28
PID 2784 wrote to memory of 2320	2784	cmd.exe	30
PID 2784 wrote to memory of 2320	2784	cmd.exe	30
PID 2784 wrote to memory of 2320	2784	cmd.exe	30
PID 2784 wrote to memory of 2320	2784	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\60a032fe8fd5a04cfafab8a8fa869a29.exe
"C:\Users\Admin\AppData\Local\Temp\60a032fe8fd5a04cfafab8a8fa869a29.exe"
1⤵
- 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:2888
- 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:2320

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

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Defacement

T1491

Replay Monitor

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Downloads

memory/2888-0-0x0000000000C50000-0x0000000000C66000-memory.dmp

Filesize
88KB

Download
memory/2888-1-0x0000000074550000-0x0000000074C3E000-memory.dmp

Filesize
6.9MB

Download
memory/2888-2-0x0000000000790000-0x00000000007D0000-memory.dmp

Filesize
256KB

Download
memory/2888-43-0x0000000074550000-0x0000000074C3E000-memory.dmp

Filesize
6.9MB

Download
memory/2888-50-0x0000000000790000-0x00000000007D0000-memory.dmp

Filesize
256KB

Download
memory/2888-73-0x0000000000790000-0x00000000007D0000-memory.dmp

Filesize
256KB

Download
memory/2888-74-0x0000000000790000-0x00000000007D0000-memory.dmp

Filesize
256KB

Download