skuld | b5b2c083eb9c1286c263bebc4280d1ae3fa0fd96ab1afd8ab6240e87cd9d660a

Analysis

max time kernel
104s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
19/04/2025, 21:52

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General

Target

2025-04-19_389a06b07cba83dbb84fa1b1abb68de2_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
Size

10.2MB
MD5

389a06b07cba83dbb84fa1b1abb68de2
SHA1

fae30c76998aa8b9d8e5ac3dd40f5f07c89639d2
SHA256

b5b2c083eb9c1286c263bebc4280d1ae3fa0fd96ab1afd8ab6240e87cd9d660a
SHA512

7d359c0837123899818f6dc08ff48ba75897a707294990d70e7ffdb60d340d46c70b8220a0058225c4d21991f8282b9efa403f8e5747a3300cf9ff5a12bcce5f
SSDEEP

98304:nvU6XUJNe9vI/XtozXTTs4E5UwqR+jAqrRL/HEqUYew5:n87NeK/XKri5UwqR+Eksq

Score

10^/10

skuld persistence stealer

Malware Config

Extracted

Family

skuld

https://discord.com/api/webhooks/1347918418443112581/GkDwq8MHjdCAhyHtTdvrRd6q8Bx-z0ijbWTpNUbq0uK2sxpU3rbS1VmRdlbJmS43hP3U

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
3244	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"	2025-04-19_389a06b07cba83dbb84fa1b1abb68de2_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5484	2025-04-19_389a06b07cba83dbb84fa1b1abb68de2_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
Token: SeDebugPrivilege	3244	SecurityHealthSystray.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5484 wrote to memory of 540	5484	2025-04-19_389a06b07cba83dbb84fa1b1abb68de2_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe	88
PID 5484 wrote to memory of 540	5484	2025-04-19_389a06b07cba83dbb84fa1b1abb68de2_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe	88
PID 3984 wrote to memory of 3244	3984	cmd.exe	91
PID 3984 wrote to memory of 3244	3984	cmd.exe	91
PID 3244 wrote to memory of 4992	3244	SecurityHealthSystray.exe	93
PID 3244 wrote to memory of 4992	3244	SecurityHealthSystray.exe	93

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
540	attrib.exe
4992	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2025-04-19_389a06b07cba83dbb84fa1b1abb68de2_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-19_389a06b07cba83dbb84fa1b1abb68de2_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:5484
- C:\Windows\system32\attrib.exe
  attrib +h +s C:\Users\Admin\AppData\Local\Temp\2025-04-19_389a06b07cba83dbb84fa1b1abb68de2_frostygoop_knight_luca-stealer_ngrbot_poet-rat_sliver_snatch.exe
  2⤵
  - Views/modifies file attributes
  PID:540

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:3984
- 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:3244
- - C:\Windows\system32\attrib.exe
    attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
    3⤵
    - Views/modifies file attributes
    PID:4992

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
10.2MB

MD5
389a06b07cba83dbb84fa1b1abb68de2

SHA1
fae30c76998aa8b9d8e5ac3dd40f5f07c89639d2

SHA256
b5b2c083eb9c1286c263bebc4280d1ae3fa0fd96ab1afd8ab6240e87cd9d660a

SHA512
7d359c0837123899818f6dc08ff48ba75897a707294990d70e7ffdb60d340d46c70b8220a0058225c4d21991f8282b9efa403f8e5747a3300cf9ff5a12bcce5f

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads