skuld | 50b045b023fe26165e3bbc4e42c3da2697e4450008c0e954390c5fa36b0ffce2

Analysis

max time kernel
93s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
05/04/2025, 09:49

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General

Target

2025-04-05_12619233cdb0693aebcac0052a37c3f0_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
Size

10.3MB
MD5

12619233cdb0693aebcac0052a37c3f0
SHA1

d6efcb17566c67341f3e7fdb44a5979722c6f84b
SHA256

50b045b023fe26165e3bbc4e42c3da2697e4450008c0e954390c5fa36b0ffce2
SHA512

c5f3eb80e96d775a39243c049b1ad0166f956808125a3addc160fd65639643fccea4019cf4aba81c4885beb8809108e887c6595ba83c14094b50e98c92483d57
SSDEEP

98304:/Mt1qcH0HZznW6/tfpXKK2tA0rUzr9/LEFbb:/A1q+0H1tfpXKK22xYFbb

Score

10^/10

skuld persistence stealer

Malware Config

Extracted

Family

skuld

https://discord.com/api/webhooks/1357082631573078157/DibNl1Wwh9g5xRfj4_imdnlncz6vV0eYUzLBzWZa6D1S0XAEPgI4MD4icqfeV2vZDlty

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
4128	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-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthSystray.exe"	2025-04-05_12619233cdb0693aebcac0052a37c3f0_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4204	2025-04-05_12619233cdb0693aebcac0052a37c3f0_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
Token: SeDebugPrivilege	4128	SecurityHealthSystray.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4204 wrote to memory of 1576	4204	2025-04-05_12619233cdb0693aebcac0052a37c3f0_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe	87
PID 4204 wrote to memory of 1576	4204	2025-04-05_12619233cdb0693aebcac0052a37c3f0_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe	87
PID 60 wrote to memory of 4128	60	cmd.exe	90
PID 60 wrote to memory of 4128	60	cmd.exe	90
PID 4128 wrote to memory of 2888	4128	SecurityHealthSystray.exe	91
PID 4128 wrote to memory of 2888	4128	SecurityHealthSystray.exe	91

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1576	attrib.exe
2888	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2025-04-05_12619233cdb0693aebcac0052a37c3f0_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-05_12619233cdb0693aebcac0052a37c3f0_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:4204
- C:\Windows\system32\attrib.exe
  attrib +h +s C:\Users\Admin\AppData\Local\Temp\2025-04-05_12619233cdb0693aebcac0052a37c3f0_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
  2⤵
  - Views/modifies file attributes
  PID:1576

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:60
- 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:4128
- - C:\Windows\system32\attrib.exe
    attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
    3⤵
    - Views/modifies file attributes
    PID:2888

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
12619233cdb0693aebcac0052a37c3f0

SHA1
d6efcb17566c67341f3e7fdb44a5979722c6f84b

SHA256
50b045b023fe26165e3bbc4e42c3da2697e4450008c0e954390c5fa36b0ffce2

SHA512
c5f3eb80e96d775a39243c049b1ad0166f956808125a3addc160fd65639643fccea4019cf4aba81c4885beb8809108e887c6595ba83c14094b50e98c92483d57

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads