rhysida | 0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae

Analysis

max time kernel
104s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20250410-en
resource tags

arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
submitted
12/04/2025, 13:49

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General

Target

0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe
Size

419KB
MD5

26f41a46d0addde100bb9512a130de5e
SHA1

bef7719a8a98131b8bdf885895b5d1c3f9d089ad
SHA256

0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae
SHA512

99d09fe0f657d3c965429094ca1d077c4e1a5f066b0ae022dd6f344af6d8ebc9a5a559be2ab11019216e516688f5fa5daac15bae8d5d524bd665c56cfa07bd41
SSDEEP

6144:1OQ7bSLB+QbqZ0/xDPK8JLM7hsqMFUtkko1mJ8+ANqT:OmQx71M75tzOmJ8+

Score

10^/10

rhysida credential_access defense_evasion discovery execution ransomware spyware stealer

Malware Config

Signatures

Detect Rhysida ransomware 3 IoCs

resource	yara_rule
behavioral1/memory/6044-1021-0x0000000000400000-0x0000000000477000-memory.dmp	family_rhysida
behavioral1/memory/6044-1022-0x0000000000400000-0x0000000000477000-memory.dmp	family_rhysida
behavioral1/memory/6044-1023-0x0000000000400000-0x0000000000477000-memory.dmp	family_rhysida

Rhysida
Rhysida is a ransomware that is written in C++ and discovered in 2023.
ransomware rhysida
Rhysida family
rhysida
Renames multiple (2541) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
5552	powershell.exe

Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
credential_access stealer

Windows Credential Manager
T1555.004
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

Hide Artifacts: Hidden Window 1 TTPs 2 IoCs

Windows that would typically be displayed when an application carries out an operation can be hidden.

defense_evasion

Hidden Window

T1564.003

pid	Process
3968	cmd.exe
4056	cmd.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Public\\bg.jpg"	reg.exe

Hide Artifacts: Ignore Process Interrupts 1 TTPs 2 IoCs

Command interpreters often include specific commands/flags that ignore errors and other hangups.

defense_evasion

Ignore Process Interrupts

T1564.011

pid	Process
3968	cmd.exe
4056	cmd.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5552	powershell.exe
5552	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5552	powershell.exe

Suspicious use of WriteProcessMemory 58 IoCs

description	pid	Process	procid_target
PID 6044 wrote to memory of 5960	6044	0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe	91
PID 6044 wrote to memory of 5960	6044	0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe	91
PID 5960 wrote to memory of 6008	5960	cmd.exe	93
PID 5960 wrote to memory of 6008	5960	cmd.exe	93
PID 6008 wrote to memory of 2880	6008	cmd.exe	94
PID 6008 wrote to memory of 2880	6008	cmd.exe	94
PID 6044 wrote to memory of 3876	6044	0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe	95
PID 6044 wrote to memory of 3876	6044	0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe	95
PID 3876 wrote to memory of 3740	3876	cmd.exe	97
PID 3876 wrote to memory of 3740	3876	cmd.exe	97
PID 3740 wrote to memory of 4348	3740	cmd.exe	98
PID 3740 wrote to memory of 4348	3740	cmd.exe	98
PID 6044 wrote to memory of 224	6044	0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe	99
PID 6044 wrote to memory of 224	6044	0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe	99
PID 224 wrote to memory of 2972	224	cmd.exe	101
PID 224 wrote to memory of 2972	224	cmd.exe	101
PID 2972 wrote to memory of 960	2972	cmd.exe	102
PID 2972 wrote to memory of 960	2972	cmd.exe	102
PID 6044 wrote to memory of 5700	6044	0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe	103
PID 6044 wrote to memory of 5700	6044	0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe	103
PID 5700 wrote to memory of 4456	5700	cmd.exe	105
PID 5700 wrote to memory of 4456	5700	cmd.exe	105
PID 4456 wrote to memory of 1356	4456	cmd.exe	106
PID 4456 wrote to memory of 1356	4456	cmd.exe	106
PID 6044 wrote to memory of 3112	6044	0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe	107
PID 6044 wrote to memory of 3112	6044	0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe	107
PID 3112 wrote to memory of 784	3112	cmd.exe	109
PID 3112 wrote to memory of 784	3112	cmd.exe	109
PID 784 wrote to memory of 5768	784	cmd.exe	110
PID 784 wrote to memory of 5768	784	cmd.exe	110
PID 6044 wrote to memory of 3840	6044	0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe	111
PID 6044 wrote to memory of 3840	6044	0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe	111
PID 3840 wrote to memory of 4084	3840	cmd.exe	113
PID 3840 wrote to memory of 4084	3840	cmd.exe	113
PID 4084 wrote to memory of 1860	4084	cmd.exe	114
PID 4084 wrote to memory of 1860	4084	cmd.exe	114
PID 6044 wrote to memory of 4092	6044	0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe	115
PID 6044 wrote to memory of 4092	6044	0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe	115
PID 4092 wrote to memory of 2988	4092	cmd.exe	117
PID 4092 wrote to memory of 2988	4092	cmd.exe	117
PID 2988 wrote to memory of 5244	2988	cmd.exe	118
PID 2988 wrote to memory of 5244	2988	cmd.exe	118
PID 6044 wrote to memory of 3088	6044	0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe	119
PID 6044 wrote to memory of 3088	6044	0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe	119
PID 3088 wrote to memory of 3716	3088	cmd.exe	121
PID 3088 wrote to memory of 3716	3088	cmd.exe	121
PID 3716 wrote to memory of 6068	3716	cmd.exe	122
PID 3716 wrote to memory of 6068	3716	cmd.exe	122
PID 6044 wrote to memory of 1616	6044	0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe	123
PID 6044 wrote to memory of 1616	6044	0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe	123
PID 1616 wrote to memory of 3580	1616	cmd.exe	125
PID 1616 wrote to memory of 3580	1616	cmd.exe	125
PID 6044 wrote to memory of 3968	6044	0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe	126
PID 6044 wrote to memory of 3968	6044	0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe	126
PID 3968 wrote to memory of 4056	3968	cmd.exe	128
PID 3968 wrote to memory of 4056	3968	cmd.exe	128
PID 4056 wrote to memory of 5552	4056	cmd.exe	129
PID 4056 wrote to memory of 5552	4056	cmd.exe	129

C:\Users\Admin\AppData\Local\Temp\0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe
"C:\Users\Admin\AppData\Local\Temp\0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:6044
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c reg delete "HKCU\Conttol Panel\Desktop" /v Wallpaper /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5960
- - C:\Windows\system32\cmd.exe
    cmd.exe /c reg delete "HKCU\Conttol Panel\Desktop" /v Wallpaper /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:6008
  - - C:\Windows\system32\reg.exe
      reg delete "HKCU\Conttol Panel\Desktop" /v Wallpaper /f
      4⤵
      PID:2880
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c reg delete "HKCU\Conttol Panel\Desktop" /v WallpaperStyle /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3876
- - C:\Windows\system32\cmd.exe
    cmd.exe /c reg delete "HKCU\Conttol Panel\Desktop" /v WallpaperStyle /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3740
  - - C:\Windows\system32\reg.exe
      reg delete "HKCU\Conttol Panel\Desktop" /v WallpaperStyle /f
      4⤵
      PID:4348
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:224
- - C:\Windows\system32\cmd.exe
    cmd.exe /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2972
  - - C:\Windows\system32\reg.exe
      reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
      4⤵
      PID:960
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5700
- - C:\Windows\system32\cmd.exe
    cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4456
  - - C:\Windows\system32\reg.exe
      reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
      4⤵
      PID:1356
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKCU\Control Panel\Desktop" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3112
- - C:\Windows\system32\cmd.exe
    cmd.exe /c reg add "HKCU\Control Panel\Desktop" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:784
  - - C:\Windows\system32\reg.exe
      reg add "HKCU\Control Panel\Desktop" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
      4⤵
      Sets desktop wallpaper using registry
      PID:5768
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3840
- - C:\Windows\system32\cmd.exe
    cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4084
  - - C:\Windows\system32\reg.exe
      reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
      4⤵
      PID:1860
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v WallpaperStyle /t REG_SZ /d 2 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4092
- - C:\Windows\system32\cmd.exe
    cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v WallpaperStyle /t REG_SZ /d 2 /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2988
  - - C:\Windows\system32\reg.exe
      reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v WallpaperStyle /t REG_SZ /d 2 /f
      4⤵
      PID:5244
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKCU\Control Panel\Desktop" /v WallpaperStyle /t REG_SZ /d 2 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3088
- - C:\Windows\system32\cmd.exe
    cmd.exe /c reg add "HKCU\Control Panel\Desktop" /v WallpaperStyle /t REG_SZ /d 2 /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3716
  - - C:\Windows\system32\reg.exe
      reg add "HKCU\Control Panel\Desktop" /v WallpaperStyle /t REG_SZ /d 2 /f
      4⤵
      PID:6068
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c rundll32.exe user32.dll,UpdatePerUserSystemParameters
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1616
- - C:\Windows\system32\rundll32.exe
    rundll32.exe user32.dll,UpdatePerUserSystemParameters
    3⤵
    PID:3580
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cmd.exe /c start powershell.exe -WindowStyle Hidden -Command Sleep -Milliseconds 500; Remove-Item -Force -Path "C:\Users\Admin\AppData\Local\Temp\C:\Users\Admin\AppData\Local\Temp\0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe" -ErrorAction SilentlyContinue;
  2⤵
  - Hide Artifacts: Hidden Window
  - Hide Artifacts: Ignore Process Interrupts
  - Suspicious use of WriteProcessMemory
  PID:3968
- - C:\Windows\system32\cmd.exe
    cmd.exe /c start powershell.exe -WindowStyle Hidden -Command Sleep -Milliseconds 500; Remove-Item -Force -Path "C:\Users\Admin\AppData\Local\Temp\C:\Users\Admin\AppData\Local\Temp\0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe" -ErrorAction SilentlyContinue;
    3⤵
    - Hide Artifacts: Hidden Window
    - Hide Artifacts: Ignore Process Interrupts
    - Suspicious use of WriteProcessMemory
    PID:4056
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -WindowStyle Hidden -Command Sleep -Milliseconds 500; Remove-Item -Force -Path "C:\Users\Admin\AppData\Local\Temp\C:\Users\Admin\AppData\Local\Temp\0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae.exe" -ErrorAction SilentlyContinue;
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:5552

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Window

T1564.003

Ignore Process Interrupts

T1564.011

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Windows Credential Manager

T1555.004

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Defacement

T1491

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_f4hv5bq5.w20.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/5552-1024-0x000001AEF88A0000-0x000001AEF88C2000-memory.dmp

Filesize
136KB

Download
memory/6044-1021-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/6044-1022-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/6044-1023-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download