skuld | 470aae09c9bfd1aea1c6c2637210cf4213c21c61b6b4655150d9a6d485ad462a

Analysis

max time kernel
106s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20250410-en
resource tags

arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
submitted
11/04/2025, 05:41

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General

Target

2025-04-11_8e8b691cf8f82c5e94ca135b04f50a73_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
Size

10.3MB
MD5

8e8b691cf8f82c5e94ca135b04f50a73
SHA1

016a41d4dbd205a1d41586bb31af9807e0f013ab
SHA256

470aae09c9bfd1aea1c6c2637210cf4213c21c61b6b4655150d9a6d485ad462a
SHA512

fb396e2feedf649e9a4db5360565816f2d66900b0d9258dd9d65946c129a6fe74c5edf75f2e6379a83cbc7442adb962026e2521a2e12ae7222cd62f84b8c751b
SSDEEP

98304:jDp8VN601uPFa8PIfPB9woUABrUir9/CEYbZ:jF8Vc016IfPB9wovzPYbZ

Score

10^/10

skuld persistence stealer

Malware Config

Extracted

Family

skuld

https://discord.com/api/webhooks/1360037627750776933/A7U0kOOavkQ4UMg4AjY6YOPcjf6p-Koy8zbKvs8EhAmupltK0-haDaQc-pN0ffgzhHc7

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
804	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-1-5-21-3833542908-3750648139-3436651901-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthSystray.exe"	2025-04-11_8e8b691cf8f82c5e94ca135b04f50a73_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4188	2025-04-11_8e8b691cf8f82c5e94ca135b04f50a73_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
Token: SeDebugPrivilege	804	SecurityHealthSystray.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4188 wrote to memory of 1948	4188	2025-04-11_8e8b691cf8f82c5e94ca135b04f50a73_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe	84
PID 4188 wrote to memory of 1948	4188	2025-04-11_8e8b691cf8f82c5e94ca135b04f50a73_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe	84
PID 2364 wrote to memory of 804	2364	cmd.exe	87
PID 2364 wrote to memory of 804	2364	cmd.exe	87
PID 804 wrote to memory of 4576	804	SecurityHealthSystray.exe	88
PID 804 wrote to memory of 4576	804	SecurityHealthSystray.exe	88

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1948	attrib.exe
4576	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2025-04-11_8e8b691cf8f82c5e94ca135b04f50a73_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-11_8e8b691cf8f82c5e94ca135b04f50a73_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:4188
- C:\Windows\system32\attrib.exe
  attrib +h +s C:\Users\Admin\AppData\Local\Temp\2025-04-11_8e8b691cf8f82c5e94ca135b04f50a73_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
  2⤵
  - Views/modifies file attributes
  PID:1948

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:2364
- 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:804
- - C:\Windows\system32\attrib.exe
    attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
    3⤵
    - Views/modifies file attributes
    PID:4576

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
8e8b691cf8f82c5e94ca135b04f50a73

SHA1
016a41d4dbd205a1d41586bb31af9807e0f013ab

SHA256
470aae09c9bfd1aea1c6c2637210cf4213c21c61b6b4655150d9a6d485ad462a

SHA512
fb396e2feedf649e9a4db5360565816f2d66900b0d9258dd9d65946c129a6fe74c5edf75f2e6379a83cbc7442adb962026e2521a2e12ae7222cd62f84b8c751b

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads