nitro | 7eceee2d481d80031eb26f51bd11fbf9671c123107c83b0100b5dbaaf52ec833

Analysis

max time kernel
144s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/12/2024, 18:13

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General

Target
cad7af2b2714b813aa083c5e692cd7ba_JaffaCakes118.exe
Size 9.0MB
Sample241208-wt38cs1nbx
SHA256 7eceee2d481d80031eb26f51bd11fbf9671c123107c83b0100b5dbaaf52ec833
MD5 cad7af2b2714b813aa083c5e692cd7ba
SHA1 24eb7d428398fb6fe79da729e8ff416b0970d6d8
SHA512 5f8902b38668bbf17001e47cb5045c590f1d733e00e0dddcdc5f95c883f93afdddac97d3a6f37981b9648869fd3247220d92adef8ca42e6a3b7630ac9300c4b8
SSDEEP 768:HOucKn7n1JGDNANIUARbvLDwUzc80gmq3oP/oDE:HO2GDNAPA9r/0O8/o4
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
Nitro family
nitro
Renames multiple (62) 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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\NR = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\cad7af2b2714b813aa083c5e692cd7ba_JaffaCakes118.exe\""	cad7af2b2714b813aa083c5e692cd7ba_JaffaCakes118.exe

Drops desktop.ini file(s) 3 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	cad7af2b2714b813aa083c5e692cd7ba_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	cad7af2b2714b813aa083c5e692cd7ba_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	cad7af2b2714b813aa083c5e692cd7ba_JaffaCakes118.exe

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

Web Service

T1102

flow	ioc
6	discord.com
7	discord.com
8	discord.com
9	discord.com
10	discord.com
11	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
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-1-5-21-3063565911-2056067323-3330884624-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\wallpaper.png"	cad7af2b2714b813aa083c5e692cd7ba_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg"	cad7af2b2714b813aa083c5e692cd7ba_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	cad7af2b2714b813aa083c5e692cd7ba_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
1996	cad7af2b2714b813aa083c5e692cd7ba_JaffaCakes118.exe
1996	cad7af2b2714b813aa083c5e692cd7ba_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeDebugPrivilege	1996	cad7af2b2714b813aa083c5e692cd7ba_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2260	WMIC.exe
Token: SeSecurityPrivilege	2260	WMIC.exe
Token: SeTakeOwnershipPrivilege	2260	WMIC.exe
Token: SeLoadDriverPrivilege	2260	WMIC.exe
Token: SeSystemProfilePrivilege	2260	WMIC.exe
Token: SeSystemtimePrivilege	2260	WMIC.exe
Token: SeProfSingleProcessPrivilege	2260	WMIC.exe
Token: SeIncBasePriorityPrivilege	2260	WMIC.exe
Token: SeCreatePagefilePrivilege	2260	WMIC.exe
Token: SeBackupPrivilege	2260	WMIC.exe
Token: SeRestorePrivilege	2260	WMIC.exe
Token: SeShutdownPrivilege	2260	WMIC.exe
Token: SeDebugPrivilege	2260	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2260	WMIC.exe
Token: SeRemoteShutdownPrivilege	2260	WMIC.exe
Token: SeUndockPrivilege	2260	WMIC.exe
Token: SeManageVolumePrivilege	2260	WMIC.exe
Token: 33	2260	WMIC.exe
Token: 34	2260	WMIC.exe
Token: 35	2260	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2260	WMIC.exe
Token: SeSecurityPrivilege	2260	WMIC.exe
Token: SeTakeOwnershipPrivilege	2260	WMIC.exe
Token: SeLoadDriverPrivilege	2260	WMIC.exe
Token: SeSystemProfilePrivilege	2260	WMIC.exe
Token: SeSystemtimePrivilege	2260	WMIC.exe
Token: SeProfSingleProcessPrivilege	2260	WMIC.exe
Token: SeIncBasePriorityPrivilege	2260	WMIC.exe
Token: SeCreatePagefilePrivilege	2260	WMIC.exe
Token: SeBackupPrivilege	2260	WMIC.exe
Token: SeRestorePrivilege	2260	WMIC.exe
Token: SeShutdownPrivilege	2260	WMIC.exe
Token: SeDebugPrivilege	2260	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2260	WMIC.exe
Token: SeRemoteShutdownPrivilege	2260	WMIC.exe
Token: SeUndockPrivilege	2260	WMIC.exe
Token: SeManageVolumePrivilege	2260	WMIC.exe
Token: 33	2260	WMIC.exe
Token: 34	2260	WMIC.exe
Token: 35	2260	WMIC.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 1864	1996	cad7af2b2714b813aa083c5e692cd7ba_JaffaCakes118.exe	28
PID 1996 wrote to memory of 1864	1996	cad7af2b2714b813aa083c5e692cd7ba_JaffaCakes118.exe	28
PID 1996 wrote to memory of 1864	1996	cad7af2b2714b813aa083c5e692cd7ba_JaffaCakes118.exe	28
PID 1996 wrote to memory of 1864	1996	cad7af2b2714b813aa083c5e692cd7ba_JaffaCakes118.exe	28
PID 1864 wrote to memory of 2260	1864	cmd.exe	30
PID 1864 wrote to memory of 2260	1864	cmd.exe	30
PID 1864 wrote to memory of 2260	1864	cmd.exe	30
PID 1864 wrote to memory of 2260	1864	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\cad7af2b2714b813aa083c5e692cd7ba_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cad7af2b2714b813aa083c5e692cd7ba_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:1996
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1864
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic csproduct get uuid
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2260