d5395f121277d2b38f4173c7df0a20a3de99edfcfe2aa697080cc81170eb76ab

max time kernel
32s
max time network
26s
platform
windows11-21h2_x64
resource
win11-20250217-en
resource tags

arch:x64arch:x86image:win11-20250217-enlocale:en-usos:windows11-21h2-x64system
submitted
12/03/2025, 21:22

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General

Target

My-Skidded-malwares-main.zip
Size

106.4MB
MD5

d01f58a973cfceca5abbb124f8e580ff
SHA1

b60fd4d18c92322819300af17bc44e798d0ddef4
SHA256

d5395f121277d2b38f4173c7df0a20a3de99edfcfe2aa697080cc81170eb76ab
SHA512

81d6c94f56d53cd7fa29f5c1d9f8077a176b07b9a2c859b8525f6451660fb906dd960b71358ff870019990f541e816489c131a96b1fb2b7c66178a04ed35904d
SSDEEP

3145728:Sg2PlA+mrMHCwbc/bAjXC0P5JCe94RWQRVBCXD7:SJlmxTAj7PtGR9RVBE3

Score

6^/10

bootkit discovery persistence

Malware Config

Signatures

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-1-5-21-501547156-4130638328-323075719-1000\Software\Microsoft\Windows\CurrentVersion\Run\CustomMBR = "C:\\Users\\Admin\\Desktop\\My-Skidded-malwares-main\\My-Skidded-malwares-main\\llrainbowalexll.exe -BypassWarning"	llrainbowalexll.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	llrainbowalexll.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	chat_im_cooked.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Cirno.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	llrainbowalexll.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1992	schtasks.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1268	chat_im_cooked.exe
1332	Cirno.exe
3300	llrainbowalexll.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3300 wrote to memory of 1992	3300	llrainbowalexll.exe	93
PID 3300 wrote to memory of 1992	3300	llrainbowalexll.exe	93
PID 3300 wrote to memory of 1992	3300	llrainbowalexll.exe	93

C:\Windows\Explorer.exe
C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\My-Skidded-malwares-main.zip
1⤵
PID:2796

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3076

C:\Users\Admin\Desktop\My-Skidded-malwares-main\My-Skidded-malwares-main\chat_im_cooked.exe
"C:\Users\Admin\Desktop\My-Skidded-malwares-main\My-Skidded-malwares-main\chat_im_cooked.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1268

C:\Users\Admin\Desktop\My-Skidded-malwares-main\My-Skidded-malwares-main\Cirno.exe
"C:\Users\Admin\Desktop\My-Skidded-malwares-main\My-Skidded-malwares-main\Cirno.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1332

C:\Users\Admin\Desktop\My-Skidded-malwares-main\My-Skidded-malwares-main\llrainbowalexll.exe
"C:\Users\Admin\Desktop\My-Skidded-malwares-main\My-Skidded-malwares-main\llrainbowalexll.exe"
1⤵
- Adds Run key to start application
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3300
- C:\Windows\SysWOW64\schtasks.exe
  schtasks.exe /Create /TN CustomMBR /ru SYSTEM /SC ONSTART /TR "C:\Users\Admin\Desktop\My-Skidded-malwares-main\My-Skidded-malwares-main\llrainbowalexll.exe -BypassWarning"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Pre-OS Boot

T1542

Bootkit

T1542.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1268-0-0x0000000002580000-0x0000000002581000-memory.dmp

Filesize
4KB

Download
memory/1268-1-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1332-2-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download
memory/1332-3-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads