skuld | 425b2febecab60a8b54a7296e304b5499c2afcccf6090cce3bb12396c35581d1

Analysis

max time kernel
103s
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
14/04/2025, 05:39

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General

Target

2025-04-14_79eec308b05540e1525c0ec760566bb8_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
Size

10.3MB
MD5

79eec308b05540e1525c0ec760566bb8
SHA1

3669651c41161d98fa352f0c7ecb3da6ba90b6ea
SHA256

425b2febecab60a8b54a7296e304b5499c2afcccf6090cce3bb12396c35581d1
SHA512

6eb7f2968e56306a19f569d3f827851e19d0504dd83cf66629c2cf252e056251d40d97fdededc12ad81c651925a0bbb52b0a4e8571b7c15d0dadc810ef67b16c
SSDEEP

98304:HkbS4GeZk9WMOfpgu+NsFUqNEX0R/wYA0rn7jEMb:Hd4dZkFu+NsyCEX0R/w7ywMb

Score

10^/10

skuld persistence stealer

Malware Config

Extracted

Family

skuld

https://discord.com/api/webhooks/1361117110004089064/zJZlwoLRcTIsF_8RLFAkpDdHVckL4ra8dG_U3_8Pu9uIZKUmKOuUmB6htNx9kBKxWDGL

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
5932	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-1-5-21-2645532622-3298555945-705856666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthSystray.exe"	2025-04-14_79eec308b05540e1525c0ec760566bb8_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5252	2025-04-14_79eec308b05540e1525c0ec760566bb8_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
Token: SeDebugPrivilege	5932	SecurityHealthSystray.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5252 wrote to memory of 3404	5252	2025-04-14_79eec308b05540e1525c0ec760566bb8_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe	85
PID 5252 wrote to memory of 3404	5252	2025-04-14_79eec308b05540e1525c0ec760566bb8_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe	85
PID 5464 wrote to memory of 5932	5464	cmd.exe	88
PID 5464 wrote to memory of 5932	5464	cmd.exe	88
PID 5932 wrote to memory of 2556	5932	SecurityHealthSystray.exe	89
PID 5932 wrote to memory of 2556	5932	SecurityHealthSystray.exe	89

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
3404	attrib.exe
2556	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2025-04-14_79eec308b05540e1525c0ec760566bb8_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-14_79eec308b05540e1525c0ec760566bb8_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:5252
- C:\Windows\system32\attrib.exe
  attrib +h +s C:\Users\Admin\AppData\Local\Temp\2025-04-14_79eec308b05540e1525c0ec760566bb8_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
  2⤵
  - Views/modifies file attributes
  PID:3404

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:5464
- 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:5932
- - C:\Windows\system32\attrib.exe
    attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
    3⤵
    - Views/modifies file attributes
    PID:2556

Network

MITRE ATT&CK Enterprise v16

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
79eec308b05540e1525c0ec760566bb8

SHA1
3669651c41161d98fa352f0c7ecb3da6ba90b6ea

SHA256
425b2febecab60a8b54a7296e304b5499c2afcccf6090cce3bb12396c35581d1

SHA512
6eb7f2968e56306a19f569d3f827851e19d0504dd83cf66629c2cf252e056251d40d97fdededc12ad81c651925a0bbb52b0a4e8571b7c15d0dadc810ef67b16c

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads