9884e631b1b25e879005045882c0e09cc89089b5043b25a094101d95fbf3a1b1

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
02/08/2026, 12:27

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General

Target
$1/MFP/x64/sediag.exe
Size 2.3MB
Sample260802-pm286asgre
SHA256 9884e631b1b25e879005045882c0e09cc89089b5043b25a094101d95fbf3a1b1
MD5 598ddcf44a5dd053a393c40e246faf59
SHA1 f0d8d66039ca0276d8b54cbbce8472ff9c0eb223
SHA512 6abebe4725044dc7ae0b0ef748d4b0bb42c5e3c3ed071a8c446d3064ea9fb33ec88416d071814be47c70b04f389f36bc22ed137b5257c57c20540f890cb548f9
SSDEEP 49152:irez/3nLr/ghgr+ZfavuyVNiYGCz9VYWZcUjHYTdHco8Iaq:ig3L+pfaIWdjHkco8I5
TLSH
T1D1B56C9B62A850E9D067C279C5038A4BD7F274710F34C3DF40A6079E9FB76A24DAD722
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

ransomware

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation	sediag.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings	sediag.exe

Opens file in notepad (likely ransom note) 9 IoCs

ransomware

pid	Process
3100	NOTEPAD.EXE
1672	NOTEPAD.EXE
3756	NOTEPAD.EXE
4832	NOTEPAD.EXE
4684	NOTEPAD.EXE
3216	NOTEPAD.EXE
4524	NOTEPAD.EXE
848	NOTEPAD.EXE
4488	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4088	sediag.exe
4088	sediag.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4088 wrote to memory of 1672	4088	sediag.exe	86
PID 4088 wrote to memory of 3216	4088	sediag.exe	87
PID 4088 wrote to memory of 3756	4088	sediag.exe	88
PID 4088 wrote to memory of 4524	4088	sediag.exe	89
PID 4088 wrote to memory of 4832	4088	sediag.exe	92
PID 4088 wrote to memory of 848	4088	sediag.exe	93
PID 4088 wrote to memory of 4684	4088	sediag.exe	98
PID 4088 wrote to memory of 4488	4088	sediag.exe	101
PID 4088 wrote to memory of 3100	4088	sediag.exe	102

C:\Users\Admin\AppData\Local\Temp\$1\MFP\x64\sediag.exe
"C:\Users\Admin\AppData\Local\Temp\$1\MFP\x64\sediag.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4088
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\sediag.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1672
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\sediag.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:3216
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\sediag.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:3756
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\sediag.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:4524
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\sediag.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:4832
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\sediag.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:848
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\sediag.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:4684
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\sediag.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:4488
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\sediag.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:3100

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

sediag.txt

Path C:\Users\Admin\AppData\Local\Temp\sediag.txt
Size 846B
SHA256 08882f1ec1d41819093bf2266f8a9526e843f9a41bcc10ccccc6f41a75bc1505
MD5 2fa0ec0024d4f2c605c5e4dff2d57585
SHA1 7c4995efecbbfd6abea38fb5777b856e2abeff16
SHA512 ef8a3f040aaac22f6990aedb1aaebdd13014e6fd73b43992c12b9636639e61df7cb37f7c9cd3646ecfa8896a63f831be2c6ebb164aedd46d8b7e21c27dd50585
TLSH
T10E0125A355C4FAE402974E50BC2768F0F794021E42BE95A496790C25E5E7908B4CF787
MD5 SHA1 SHA512 TLSH

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