nitro | 6546f0638160cb590b4ead2401fb55d48e10b2ee1808ff0354fff52c9e2f62bf

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
11-04-2024 04:55

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General

Target

ecb5faaf15a75e66857d0cdfe936c45e_JaffaCakes118.exe
Size

61KB
MD5

ecb5faaf15a75e66857d0cdfe936c45e
SHA1

2a6b69c095963a76b29b78509d58f586a5c0ee68
SHA256

6546f0638160cb590b4ead2401fb55d48e10b2ee1808ff0354fff52c9e2f62bf
SHA512

bdbd9e290d443314b255b183610c4d7ab4fcd783d008f1506636ffe2163f749f0624426239e2f842b3308df84f103154d531f33503eae74a873c197651c25125
SSDEEP

768:wKsMqCXfVcWMHM9ZkiANIUZBOYLDwUzc80gmq3oP/oDe:wKse0M9ZkiAPZ9r/0O8/oy

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 (102) 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-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\ecb5faaf15a75e66857d0cdfe936c45e_JaffaCakes118.exe\""	ecb5faaf15a75e66857d0cdfe936c45e_JaffaCakes118.exe

Drops desktop.ini file(s) 5 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	ecb5faaf15a75e66857d0cdfe936c45e_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	ecb5faaf15a75e66857d0cdfe936c45e_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	ecb5faaf15a75e66857d0cdfe936c45e_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	ecb5faaf15a75e66857d0cdfe936c45e_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	ecb5faaf15a75e66857d0cdfe936c45e_JaffaCakes118.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
21	api.ipify.org
33	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-1-5-21-817259280-2658881748-983986378-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	ecb5faaf15a75e66857d0cdfe936c45e_JaffaCakes118.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3220	392	WerFault.exe	91
5100	392	WerFault.exe	91

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
392	ecb5faaf15a75e66857d0cdfe936c45e_JaffaCakes118.exe
392	ecb5faaf15a75e66857d0cdfe936c45e_JaffaCakes118.exe
392	ecb5faaf15a75e66857d0cdfe936c45e_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	392	ecb5faaf15a75e66857d0cdfe936c45e_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	400	WMIC.exe
Token: SeSecurityPrivilege	400	WMIC.exe
Token: SeTakeOwnershipPrivilege	400	WMIC.exe
Token: SeLoadDriverPrivilege	400	WMIC.exe
Token: SeSystemProfilePrivilege	400	WMIC.exe
Token: SeSystemtimePrivilege	400	WMIC.exe
Token: SeProfSingleProcessPrivilege	400	WMIC.exe
Token: SeIncBasePriorityPrivilege	400	WMIC.exe
Token: SeCreatePagefilePrivilege	400	WMIC.exe
Token: SeBackupPrivilege	400	WMIC.exe
Token: SeRestorePrivilege	400	WMIC.exe
Token: SeShutdownPrivilege	400	WMIC.exe
Token: SeDebugPrivilege	400	WMIC.exe
Token: SeSystemEnvironmentPrivilege	400	WMIC.exe
Token: SeRemoteShutdownPrivilege	400	WMIC.exe
Token: SeUndockPrivilege	400	WMIC.exe
Token: SeManageVolumePrivilege	400	WMIC.exe
Token: 33	400	WMIC.exe
Token: 34	400	WMIC.exe
Token: 35	400	WMIC.exe
Token: 36	400	WMIC.exe
Token: SeIncreaseQuotaPrivilege	400	WMIC.exe
Token: SeSecurityPrivilege	400	WMIC.exe
Token: SeTakeOwnershipPrivilege	400	WMIC.exe
Token: SeLoadDriverPrivilege	400	WMIC.exe
Token: SeSystemProfilePrivilege	400	WMIC.exe
Token: SeSystemtimePrivilege	400	WMIC.exe
Token: SeProfSingleProcessPrivilege	400	WMIC.exe
Token: SeIncBasePriorityPrivilege	400	WMIC.exe
Token: SeCreatePagefilePrivilege	400	WMIC.exe
Token: SeBackupPrivilege	400	WMIC.exe
Token: SeRestorePrivilege	400	WMIC.exe
Token: SeShutdownPrivilege	400	WMIC.exe
Token: SeDebugPrivilege	400	WMIC.exe
Token: SeSystemEnvironmentPrivilege	400	WMIC.exe
Token: SeRemoteShutdownPrivilege	400	WMIC.exe
Token: SeUndockPrivilege	400	WMIC.exe
Token: SeManageVolumePrivilege	400	WMIC.exe
Token: 33	400	WMIC.exe
Token: 34	400	WMIC.exe
Token: 35	400	WMIC.exe
Token: 36	400	WMIC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 392 wrote to memory of 1664	392	ecb5faaf15a75e66857d0cdfe936c45e_JaffaCakes118.exe	94
PID 392 wrote to memory of 1664	392	ecb5faaf15a75e66857d0cdfe936c45e_JaffaCakes118.exe	94
PID 392 wrote to memory of 1664	392	ecb5faaf15a75e66857d0cdfe936c45e_JaffaCakes118.exe	94
PID 1664 wrote to memory of 400	1664	cmd.exe	97
PID 1664 wrote to memory of 400	1664	cmd.exe	97
PID 1664 wrote to memory of 400	1664	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\ecb5faaf15a75e66857d0cdfe936c45e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ecb5faaf15a75e66857d0cdfe936c45e_JaffaCakes118.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:392
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1664
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:400
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 392 -s 2264
  2⤵
  - Program crash
  PID:3220
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 392 -s 2264
  2⤵
  - Program crash
  PID:5100

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5044 --field-trial-handle=2256,i,5035714022000286426,16259316383734940314,262144 --variations-seed-version /prefetch:8
1⤵
PID:1576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 392 -ip 392
1⤵
PID:3024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 392 -ip 392
1⤵
PID:4516

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/392-0-0x0000000000ED0000-0x0000000000EE6000-memory.dmp

Filesize
88KB

Download
memory/392-1-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/392-2-0x0000000005DE0000-0x0000000006384000-memory.dmp

Filesize
5.6MB

Download
memory/392-3-0x00000000058D0000-0x0000000005962000-memory.dmp

Filesize
584KB

Download
memory/392-4-0x0000000005C60000-0x0000000005C70000-memory.dmp

Filesize
64KB

Download
memory/392-44-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/392-51-0x0000000005C60000-0x0000000005C70000-memory.dmp

Filesize
64KB

Download
memory/392-111-0x0000000006880000-0x000000000688A000-memory.dmp

Filesize
40KB

Download
memory/392-112-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download