Analysis Overview
SHA256
5cbb6442c47708558da29588e0d8ef0b34c4716be4a47e7c715ea844fbcf60d7
Threat Level: Known bad
The file NoMoreRansom.zip was found to be: Known bad.
Malicious Activity Summary
Troldesh, Shade, Encoder.858
UPX packed file
Adds Run key to start application
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-04-16 18:42
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-16 18:42
Reported
2024-04-16 18:44
Platform
win10v2004-20240412-en
Max time kernel
122s
Max time network
123s
Command Line
Signatures
Troldesh, Shade, Encoder.858
UPX packed file
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Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" | C:\Users\Admin\Desktop\[email protected] | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" | C:\Windows\system32\LogonUI.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "168" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" | C:\Windows\system32\LogonUI.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" | C:\Windows\system32\LogonUI.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Desktop\[email protected] | N/A |
| N/A | N/A | C:\Users\Admin\Desktop\[email protected] | N/A |
| N/A | N/A | C:\Users\Admin\Desktop\[email protected] | N/A |
| N/A | N/A | C:\Users\Admin\Desktop\[email protected] | N/A |
| N/A | N/A | C:\Users\Admin\Desktop\[email protected] | N/A |
| N/A | N/A | C:\Users\Admin\Desktop\[email protected] | N/A |
| N/A | N/A | C:\Users\Admin\Desktop\[email protected] | N/A |
| N/A | N/A | C:\Users\Admin\Desktop\[email protected] | N/A |
| N/A | N/A | C:\Users\Admin\Desktop\[email protected] | N/A |
| N/A | N/A | C:\Users\Admin\Desktop\[email protected] | N/A |
| N/A | N/A | C:\Users\Admin\Desktop\[email protected] | N/A |
| N/A | N/A | C:\Users\Admin\Desktop\[email protected] | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\LogonUI.exe | N/A |
Processes
C:\Windows\Explorer.exe
C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\NoMoreRansom.zip
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
C:\Users\Admin\Desktop\[email protected]
"C:\Users\Admin\Desktop\[email protected]"
C:\Users\Admin\Desktop\[email protected]
"C:\Users\Admin\Desktop\[email protected]"
C:\Users\Admin\Desktop\[email protected]
"C:\Users\Admin\Desktop\[email protected]"
C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa395f055 /state1:0x41c64e6d
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 216.183.117.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.63.96.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.2.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 121.118.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| N/A | 127.0.0.1:57705 | tcp | |
| DE | 131.188.40.189:443 | tcp | |
| US | 8.8.8.8:53 | 189.40.188.131.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:57716 | tcp | |
| N/A | 127.0.0.1:57727 | tcp | |
| US | 8.8.8.8:53 | 16.173.189.20.in-addr.arpa | udp |
Files
memory/3056-0-0x0000000000780000-0x000000000084E000-memory.dmp
memory/3056-1-0x0000000000400000-0x00000000005DE000-memory.dmp
memory/3056-2-0x0000000000400000-0x00000000005DE000-memory.dmp
memory/3056-3-0x0000000000400000-0x00000000005DE000-memory.dmp
memory/3056-4-0x0000000000400000-0x00000000005DE000-memory.dmp
memory/3056-5-0x0000000000400000-0x00000000005DE000-memory.dmp
memory/3056-9-0x0000000000400000-0x00000000005DE000-memory.dmp
memory/4672-10-0x0000000000400000-0x00000000005DE000-memory.dmp
memory/4672-11-0x0000000000400000-0x00000000005DE000-memory.dmp
memory/4672-12-0x0000000000400000-0x00000000005DE000-memory.dmp
memory/3056-13-0x0000000000400000-0x00000000005DE000-memory.dmp
memory/3056-14-0x0000000000400000-0x00000000005DE000-memory.dmp
memory/4672-15-0x0000000000400000-0x00000000005DE000-memory.dmp
memory/3056-18-0x0000000000400000-0x00000000005DE000-memory.dmp
memory/3700-19-0x0000000000400000-0x00000000005DE000-memory.dmp
memory/3700-21-0x0000000000400000-0x00000000005DE000-memory.dmp
memory/3056-22-0x0000000000400000-0x00000000005DE000-memory.dmp
memory/3700-23-0x0000000000400000-0x00000000005DE000-memory.dmp