skuld | 3c6e92391627b19f3a159cdfb4ef0d1e0780d7d35855d4e6a18a4222803ec1c5

Analysis

max time kernel
104s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20250313-en
resource tags

arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
submitted
06/04/2025, 01:03

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General

Target

2025-04-06_ad52dae706895fc13fb657541ec114f2_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
Size

10.3MB
MD5

ad52dae706895fc13fb657541ec114f2
SHA1

592c57f7ce3b5a1104194eb19203307d7e8a0d41
SHA256

3c6e92391627b19f3a159cdfb4ef0d1e0780d7d35855d4e6a18a4222803ec1c5
SHA512

8b63177a05baaebf0e9b4d349e66332f9a0da5efa57cf3fbcd4f7dbe3855b5cba403b096c5358ebe5c2b852f8cd568ebfafc0a74283b4e32af5ca8f8500b323e
SSDEEP

98304:FSBHmZmU00lRr5Yizfw0NbxbABrUhUh6Erb7:FgHmZL00lzfw0NbxsRnrb7

Score

10^/10

skuld persistence stealer

Malware Config

Extracted

Family

skuld

https://canary.discord.com/api/webhooks/1358117404437385367/QQNiA5kyS5sbwK56ovMrHvtxsPIkBEnnfPulKi5ZVjah9msoGG3tzWJm_sHQcdYPo5Lm

Signatures

Skuld family
skuld
Skuld stealer
An info stealer written in Go lang.
stealer skuld

Executes dropped EXE 1 IoCs

pid	Process
4880	SecurityHealthSystray.exe

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-1-5-21-1279544337-3716153908-718418795-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthSystray.exe"	2025-04-06_ad52dae706895fc13fb657541ec114f2_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5840	2025-04-06_ad52dae706895fc13fb657541ec114f2_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
Token: SeDebugPrivilege	4880	SecurityHealthSystray.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5840 wrote to memory of 2908	5840	2025-04-06_ad52dae706895fc13fb657541ec114f2_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe	86
PID 5840 wrote to memory of 2908	5840	2025-04-06_ad52dae706895fc13fb657541ec114f2_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe	86
PID 4356 wrote to memory of 4880	4356	cmd.exe	89
PID 4356 wrote to memory of 4880	4356	cmd.exe	89
PID 4880 wrote to memory of 5728	4880	SecurityHealthSystray.exe	90
PID 4880 wrote to memory of 5728	4880	SecurityHealthSystray.exe	90

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2908	attrib.exe
5728	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2025-04-06_ad52dae706895fc13fb657541ec114f2_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-06_ad52dae706895fc13fb657541ec114f2_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe"
1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5840
- C:\Windows\system32\attrib.exe
  attrib +h +s C:\Users\Admin\AppData\Local\Temp\2025-04-06_ad52dae706895fc13fb657541ec114f2_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
  2⤵
  - Views/modifies file attributes
  PID:2908

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:4356
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4880
- - C:\Windows\system32\attrib.exe
    attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
    3⤵
    - Views/modifies file attributes
    PID:5728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe

Filesize
10.3MB

MD5
ad52dae706895fc13fb657541ec114f2

SHA1
592c57f7ce3b5a1104194eb19203307d7e8a0d41

SHA256
3c6e92391627b19f3a159cdfb4ef0d1e0780d7d35855d4e6a18a4222803ec1c5

SHA512
8b63177a05baaebf0e9b4d349e66332f9a0da5efa57cf3fbcd4f7dbe3855b5cba403b096c5358ebe5c2b852f8cd568ebfafc0a74283b4e32af5ca8f8500b323e

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads