nitro | 11792ee86d2847e73686ec5530b120ed9cef93393290f147336866626cd5797a

Analysis

max time kernel
136s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2023, 08:58

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General

Target
11792ee86d2847e73686ec5530b120ed9cef93393290f147336866626cd5797a.exe
Size 3.5MB
Sample230822-kxcn2abb79
SHA256 11792ee86d2847e73686ec5530b120ed9cef93393290f147336866626cd5797a
MD5 ff838a6c4bd6a71f9067ea1aa685690a
SHA1 2986ebc39727d52b72bd5489ef1806c299726055
SHA512 60bbdeb286a28c5507cf32e488a25353f3e082cb66523ce83e2aa67935d4b4c5fa4e03b2a1553ead3d2abdb0d7731e18d0194b0348ccce42bf52f154a2a41235
SSDEEP 98304:zDf+qQgWuqOeKQhHJH2ROwfKb9L4A+RY2Z58:zDIgWud/ipWROwf20AEZO
MD5 SHA1 SHA512 SSDEEP

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
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-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\11792ee86d2847e73686ec5530b120ed9cef93393290f147336866626cd5797a.exe\""	11792ee86d2847e73686ec5530b120ed9cef93393290f147336866626cd5797a.exe

Drops desktop.ini file(s) 5 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Documents\desktop.ini	11792ee86d2847e73686ec5530b120ed9cef93393290f147336866626cd5797a.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	11792ee86d2847e73686ec5530b120ed9cef93393290f147336866626cd5797a.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	11792ee86d2847e73686ec5530b120ed9cef93393290f147336866626cd5797a.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	11792ee86d2847e73686ec5530b120ed9cef93393290f147336866626cd5797a.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	11792ee86d2847e73686ec5530b120ed9cef93393290f147336866626cd5797a.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
15	api.ipify.org
16	api.ipify.org

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	11792ee86d2847e73686ec5530b120ed9cef93393290f147336866626cd5797a.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2196	1608	WerFault.exe	81
2484	1608	WerFault.exe	81

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1608	11792ee86d2847e73686ec5530b120ed9cef93393290f147336866626cd5797a.exe
1608	11792ee86d2847e73686ec5530b120ed9cef93393290f147336866626cd5797a.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	1608	11792ee86d2847e73686ec5530b120ed9cef93393290f147336866626cd5797a.exe
Token: SeIncreaseQuotaPrivilege	4376	WMIC.exe
Token: SeSecurityPrivilege	4376	WMIC.exe
Token: SeTakeOwnershipPrivilege	4376	WMIC.exe
Token: SeLoadDriverPrivilege	4376	WMIC.exe
Token: SeSystemProfilePrivilege	4376	WMIC.exe
Token: SeSystemtimePrivilege	4376	WMIC.exe
Token: SeProfSingleProcessPrivilege	4376	WMIC.exe
Token: SeIncBasePriorityPrivilege	4376	WMIC.exe
Token: SeCreatePagefilePrivilege	4376	WMIC.exe
Token: SeBackupPrivilege	4376	WMIC.exe
Token: SeRestorePrivilege	4376	WMIC.exe
Token: SeShutdownPrivilege	4376	WMIC.exe
Token: SeDebugPrivilege	4376	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4376	WMIC.exe
Token: SeRemoteShutdownPrivilege	4376	WMIC.exe
Token: SeUndockPrivilege	4376	WMIC.exe
Token: SeManageVolumePrivilege	4376	WMIC.exe
Token: 33	4376	WMIC.exe
Token: 34	4376	WMIC.exe
Token: 35	4376	WMIC.exe
Token: 36	4376	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4376	WMIC.exe
Token: SeSecurityPrivilege	4376	WMIC.exe
Token: SeTakeOwnershipPrivilege	4376	WMIC.exe
Token: SeLoadDriverPrivilege	4376	WMIC.exe
Token: SeSystemProfilePrivilege	4376	WMIC.exe
Token: SeSystemtimePrivilege	4376	WMIC.exe
Token: SeProfSingleProcessPrivilege	4376	WMIC.exe
Token: SeIncBasePriorityPrivilege	4376	WMIC.exe
Token: SeCreatePagefilePrivilege	4376	WMIC.exe
Token: SeBackupPrivilege	4376	WMIC.exe
Token: SeRestorePrivilege	4376	WMIC.exe
Token: SeShutdownPrivilege	4376	WMIC.exe
Token: SeDebugPrivilege	4376	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4376	WMIC.exe
Token: SeRemoteShutdownPrivilege	4376	WMIC.exe
Token: SeUndockPrivilege	4376	WMIC.exe
Token: SeManageVolumePrivilege	4376	WMIC.exe
Token: 33	4376	WMIC.exe
Token: 34	4376	WMIC.exe
Token: 35	4376	WMIC.exe
Token: 36	4376	WMIC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 2804	1608	11792ee86d2847e73686ec5530b120ed9cef93393290f147336866626cd5797a.exe	82
PID 1608 wrote to memory of 2804	1608	11792ee86d2847e73686ec5530b120ed9cef93393290f147336866626cd5797a.exe	82
PID 1608 wrote to memory of 2804	1608	11792ee86d2847e73686ec5530b120ed9cef93393290f147336866626cd5797a.exe	82
PID 2804 wrote to memory of 4376	2804	cmd.exe	84
PID 2804 wrote to memory of 4376	2804	cmd.exe	84
PID 2804 wrote to memory of 4376	2804	cmd.exe	84

C:\Users\Admin\AppData\Local\Temp\11792ee86d2847e73686ec5530b120ed9cef93393290f147336866626cd5797a.exe
"C:\Users\Admin\AppData\Local\Temp\11792ee86d2847e73686ec5530b120ed9cef93393290f147336866626cd5797a.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:1608
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2804
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4376
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 2320
  2⤵
  - Program crash
  PID:2196
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 2368
  2⤵
  - Program crash
  PID:2484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1608 -ip 1608
1⤵
PID:4284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1608 -ip 1608
1⤵
PID:2240

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

Web Service

T1102

Exfiltration

Impact

Defacement

T1491

Replay Monitor

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Downloads

memory/1608-133-0x0000000074DB0000-0x0000000075560000-memory.dmp

Download

memory/1608-134-0x0000000000D90000-0x0000000000DA6000-memory.dmp

Download

memory/1608-135-0x0000000005C40000-0x00000000061E4000-memory.dmp

Download

memory/1608-136-0x0000000005790000-0x0000000005822000-memory.dmp

Download

memory/1608-137-0x00000000059C0000-0x00000000059D0000-memory.dmp

Download

memory/1608-138-0x0000000074DB0000-0x0000000075560000-memory.dmp

Download

memory/1608-139-0x00000000059C0000-0x00000000059D0000-memory.dmp

Download

memory/1608-250-0x0000000001530000-0x000000000153A000-memory.dmp

Download

memory/1608-251-0x0000000074DB0000-0x0000000075560000-memory.dmp

Download