nitro | 07b087b1e455c0efabcb704ba89195b9f3b0eaa81e232cafeca3c1822ed8ee91

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07/10/2024, 22:24

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General

Target
1e3623db60060f182ce3d37907e2350e_JaffaCakes118.exe
Size 60KB
Sample241007-2bqr7szelg
SHA256 07b087b1e455c0efabcb704ba89195b9f3b0eaa81e232cafeca3c1822ed8ee91
MD5 1e3623db60060f182ce3d37907e2350e
SHA1 b94c22c40c149b9265ec56f91f38ef080e5a5bfd
SHA512 51bbad2af84929de2e58a7fc187f5507c91590f8abcf1af146d975f353d185bdcafd573e64ae030eb9e459416d291d41701d5bfce508b20ceb776940cde68140
SSDEEP 768:wOucKn7n1JGDNANIU+svLDwUzc80gmq3oP/oDjs:wO2GDNAPrr/0O8/oPs
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nitro discovery persistence ransomware spyware stealer

Malware Config

Signatures

Nitro
A ransomware that demands Discord nitro gift codes to decrypt files.
ransomware nitro
Renames multiple (64) 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 3 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

Credentials from Web Browsers
T1555.003

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1e3623db60060f182ce3d37907e2350e_JaffaCakes118.exe\""	1e3623db60060f182ce3d37907e2350e_JaffaCakes118.exe

Drops desktop.ini file(s) 5 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	1e3623db60060f182ce3d37907e2350e_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	1e3623db60060f182ce3d37907e2350e_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	1e3623db60060f182ce3d37907e2350e_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	1e3623db60060f182ce3d37907e2350e_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	1e3623db60060f182ce3d37907e2350e_JaffaCakes118.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs

Web Service

T1102

flow	ioc
19	discord.com
22	discord.com
10	discord.com
12	discord.com
14	discord.com
16	discord.com

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
6	api.ipify.org
5	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	1e3623db60060f182ce3d37907e2350e_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1e3623db60060f182ce3d37907e2350e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WMIC.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2320	1e3623db60060f182ce3d37907e2350e_JaffaCakes118.exe
2320	1e3623db60060f182ce3d37907e2350e_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	2320	1e3623db60060f182ce3d37907e2350e_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	3260	WMIC.exe
Token: SeSecurityPrivilege	3260	WMIC.exe
Token: SeTakeOwnershipPrivilege	3260	WMIC.exe
Token: SeLoadDriverPrivilege	3260	WMIC.exe
Token: SeSystemProfilePrivilege	3260	WMIC.exe
Token: SeSystemtimePrivilege	3260	WMIC.exe
Token: SeProfSingleProcessPrivilege	3260	WMIC.exe
Token: SeIncBasePriorityPrivilege	3260	WMIC.exe
Token: SeCreatePagefilePrivilege	3260	WMIC.exe
Token: SeBackupPrivilege	3260	WMIC.exe
Token: SeRestorePrivilege	3260	WMIC.exe
Token: SeShutdownPrivilege	3260	WMIC.exe
Token: SeDebugPrivilege	3260	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3260	WMIC.exe
Token: SeRemoteShutdownPrivilege	3260	WMIC.exe
Token: SeUndockPrivilege	3260	WMIC.exe
Token: SeManageVolumePrivilege	3260	WMIC.exe
Token: 33	3260	WMIC.exe
Token: 34	3260	WMIC.exe
Token: 35	3260	WMIC.exe
Token: 36	3260	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3260	WMIC.exe
Token: SeSecurityPrivilege	3260	WMIC.exe
Token: SeTakeOwnershipPrivilege	3260	WMIC.exe
Token: SeLoadDriverPrivilege	3260	WMIC.exe
Token: SeSystemProfilePrivilege	3260	WMIC.exe
Token: SeSystemtimePrivilege	3260	WMIC.exe
Token: SeProfSingleProcessPrivilege	3260	WMIC.exe
Token: SeIncBasePriorityPrivilege	3260	WMIC.exe
Token: SeCreatePagefilePrivilege	3260	WMIC.exe
Token: SeBackupPrivilege	3260	WMIC.exe
Token: SeRestorePrivilege	3260	WMIC.exe
Token: SeShutdownPrivilege	3260	WMIC.exe
Token: SeDebugPrivilege	3260	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3260	WMIC.exe
Token: SeRemoteShutdownPrivilege	3260	WMIC.exe
Token: SeUndockPrivilege	3260	WMIC.exe
Token: SeManageVolumePrivilege	3260	WMIC.exe
Token: 33	3260	WMIC.exe
Token: 34	3260	WMIC.exe
Token: 35	3260	WMIC.exe
Token: 36	3260	WMIC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 4248	2320	1e3623db60060f182ce3d37907e2350e_JaffaCakes118.exe	86
PID 2320 wrote to memory of 4248	2320	1e3623db60060f182ce3d37907e2350e_JaffaCakes118.exe	86
PID 2320 wrote to memory of 4248	2320	1e3623db60060f182ce3d37907e2350e_JaffaCakes118.exe	86
PID 4248 wrote to memory of 3260	4248	cmd.exe	88
PID 4248 wrote to memory of 3260	4248	cmd.exe	88
PID 4248 wrote to memory of 3260	4248	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\1e3623db60060f182ce3d37907e2350e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1e3623db60060f182ce3d37907e2350e_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4248
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:3260