skuld | 93643f6f0cea3ea34541a532b1d5acc89bd68a31975a96a7275e2d50c5ba13d8

Analysis

max time kernel
103s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
18/04/2025, 22:36

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General

Target

2025-04-18_d8aa48e2d8b8bbb5fc9579866accfe00_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
Size

10.3MB
MD5

d8aa48e2d8b8bbb5fc9579866accfe00
SHA1

fb5492d7fe655199f810be4c50eea29023de8058
SHA256

93643f6f0cea3ea34541a532b1d5acc89bd68a31975a96a7275e2d50c5ba13d8
SHA512

e24985258dbe52126489e5ebd4e5b18bf55b8d58916b40deba8d5eaad1c3fe5183d6a5368cc725e228ddb89a8c01ab106f765886510ec60784b9d45cd12116ea
SSDEEP

98304:CaSL8bZv/NL61NxiEvVbE/8CERB6O5wCA0rRxEmb:Cobl/NUvVbEEfRB6O5wFMSmb

Score

10^/10

skuld persistence stealer

Malware Config

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
5460	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-1-5-21-446031748-3036493239-2009529691-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthSystray.exe"	2025-04-18_d8aa48e2d8b8bbb5fc9579866accfe00_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5440	2025-04-18_d8aa48e2d8b8bbb5fc9579866accfe00_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
Token: SeDebugPrivilege	5460	SecurityHealthSystray.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5440 wrote to memory of 2768	5440	2025-04-18_d8aa48e2d8b8bbb5fc9579866accfe00_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe	85
PID 5440 wrote to memory of 2768	5440	2025-04-18_d8aa48e2d8b8bbb5fc9579866accfe00_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe	85
PID 6064 wrote to memory of 5460	6064	cmd.exe	88
PID 6064 wrote to memory of 5460	6064	cmd.exe	88
PID 5460 wrote to memory of 4700	5460	SecurityHealthSystray.exe	90
PID 5460 wrote to memory of 4700	5460	SecurityHealthSystray.exe	90

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2768	attrib.exe
4700	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2025-04-18_d8aa48e2d8b8bbb5fc9579866accfe00_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-18_d8aa48e2d8b8bbb5fc9579866accfe00_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:5440
- C:\Windows\system32\attrib.exe
  attrib +h +s C:\Users\Admin\AppData\Local\Temp\2025-04-18_d8aa48e2d8b8bbb5fc9579866accfe00_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
  2⤵
  - Views/modifies file attributes
  PID:2768

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:6064
- 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:5460
- - C:\Windows\system32\attrib.exe
    attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
    3⤵
    - Views/modifies file attributes
    PID:4700

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
d8aa48e2d8b8bbb5fc9579866accfe00

SHA1
fb5492d7fe655199f810be4c50eea29023de8058

SHA256
93643f6f0cea3ea34541a532b1d5acc89bd68a31975a96a7275e2d50c5ba13d8

SHA512
e24985258dbe52126489e5ebd4e5b18bf55b8d58916b40deba8d5eaad1c3fe5183d6a5368cc725e228ddb89a8c01ab106f765886510ec60784b9d45cd12116ea

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads