skuld | 2f0a0e4dff70b193c9f6766675be03126bcf1c796781d04714ccb5443942afd9

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-11-2024 10:44

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General

Target

hilolxdbyelol.exe
Size

3.2MB
MD5

201b62987a6448b1ed7d4c7c634e4401
SHA1

3f9f029737bc56e4a23b8a64d6603856b3c16f0a
SHA256

2f0a0e4dff70b193c9f6766675be03126bcf1c796781d04714ccb5443942afd9
SHA512

decd1598075057f25db2d8e719917622d6b7dffd24529b9aba60952d8768d4e159e48aa91fba46c44e8c38c5aa37240b7f489dac5a10ba0740a7b44f009367cb
SSDEEP

49152:sZIS5uiyrDVujrZ7Ja+OMDQAf5rIQUlIne5fMlg7l3VzIlXs+FMOiJCxu499:ep5arDwdjOMQAf53emlgp39GXFFMq

Score

10^/10

skuld persistence stealer upx

Malware Config

Extracted

Family

skuld

https://discord.com/api/webhooks/1305119518217211957/zCd3-6tFpgrOizgbucdSd1OdGvsc8EMAAVbe5qCBCGgMhVWFRPLgQcy2BWXTkeFrj4iQ

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

hilolxdbyelol.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthSystray.exe"	hilolxdbyelol.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/888-0-0x0000000000160000-0x0000000000BA8000-memory.dmp	upx
behavioral2/memory/888-1-0x0000000000160000-0x0000000000BA8000-memory.dmp	upx

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

hilolxdbyelol.exe

description pid process

Token: SeDebugPrivilege 888 hilolxdbyelol.exe

description	pid	process
Token: SeDebugPrivilege	888	hilolxdbyelol.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

hilolxdbyelol.exe

description	pid	process	target process
PID 888 wrote to memory of 840	888	hilolxdbyelol.exe	attrib.exe
PID 888 wrote to memory of 840	888	hilolxdbyelol.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exe

pid process

840 attrib.exe

pid	process
840	attrib.exe

C:\Users\Admin\AppData\Local\Temp\hilolxdbyelol.exe
"C:\Users\Admin\AppData\Local\Temp\hilolxdbyelol.exe"
1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:888
- C:\Windows\system32\attrib.exe
  attrib +h +s C:\Users\Admin\AppData\Local\Temp\hilolxdbyelol.exe
  2⤵
  - Views/modifies file attributes
  PID:840

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/888-0-0x0000000000160000-0x0000000000BA8000-memory.dmp

Filesize
10.3MB

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memory/888-1-0x0000000000160000-0x0000000000BA8000-memory.dmp

Filesize
10.3MB

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