skuld | 14e0330250b54a0f15e5db48a53b0bf6517bed4fec8209eb5dc1df49ba9e5b8b

Analysis

max time kernel
32s
max time network
33s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241211-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
11-01-2025 04:07

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General

Target

stealer_protect - Copy.exe
Size

9.1MB
MD5

cb86dd3b875f9cbd61325b45e50373a0
SHA1

24b293baf601633d98ac46794ce35675011df210
SHA256

14e0330250b54a0f15e5db48a53b0bf6517bed4fec8209eb5dc1df49ba9e5b8b
SHA512

5019feeb950eb8a8fad4cdb161a43724b2600a5da12b26e1feb1bc4419b6f977b2016b106efcdb99271ff0b0c905a03b5a8c70df7283ec2449186c741b869011
SSDEEP

196608:7G0ytxxQdi7nJf77gov4fplpRQSk5ZMGQfPXeLA52ANexrNceFcLQdc6E:7GZCWnN4OSWOvfPFCFF4Q

Score

10^/10

skuld persistence stealer vmprotect

Malware Config

Extracted

Family

skuld

https://discord.com/api/webhooks/1327282019205386252/erLY2QwL_rt0jlh9ekxiZDsoz9mmhENv17cYsEaE1ETg-IcHrp5uYIg3T1AvvJtwEpMs

Signatures

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

VMProtect packed file 2 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/696-4-0x0000000000030000-0x0000000001737000-memory.dmp	vmprotect
behavioral1/memory/696-9-0x0000000000030000-0x0000000001737000-memory.dmp	vmprotect

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-1-5-21-3829776853-2076861744-2973657197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthSystray.exe"	stealer_protect - Copy.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
696	stealer_protect - Copy.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
696	stealer_protect - Copy.exe
696	stealer_protect - Copy.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	696	stealer_protect - Copy.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 696 wrote to memory of 1644	696	stealer_protect - Copy.exe	83
PID 696 wrote to memory of 1644	696	stealer_protect - Copy.exe	83

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1644	attrib.exe

C:\Users\Admin\AppData\Local\Temp\stealer_protect - Copy.exe
"C:\Users\Admin\AppData\Local\Temp\stealer_protect - Copy.exe"
1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:696
- C:\Windows\system32\attrib.exe
  attrib +h +s "C:\Users\Admin\AppData\Local\Temp\stealer_protect - Copy.exe"
  2⤵
  - Views/modifies file attributes
  PID:1644

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

Replay Monitor

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Downloads

memory/696-0-0x0000000000A6D000-0x0000000000E1A000-memory.dmp

Filesize
3.7MB

Download
memory/696-2-0x00007FF99C100000-0x00007FF99C102000-memory.dmp

Filesize
8KB

Download
memory/696-4-0x0000000000030000-0x0000000001737000-memory.dmp

Filesize
23.0MB

Download
memory/696-1-0x00007FF99C0F0000-0x00007FF99C0F2000-memory.dmp

Filesize
8KB

Download
memory/696-8-0x0000000000A6D000-0x0000000000E1A000-memory.dmp

Filesize
3.7MB

Download
memory/696-9-0x0000000000030000-0x0000000001737000-memory.dmp

Filesize
23.0MB

Download