skuld | dc497ce6bfbcea07f7a25df26769de873a1183556719d2a36f02c6abfdb06e8f

Analysis

max time kernel
150s
max time network
116s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/08/2026, 21:07

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General

Target
2026-08-01_5be310eaaaae55c63d8ff4738ebb278c_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe
Size 10.6MB
Sample260801-zyk45axanc
SHA256 dc497ce6bfbcea07f7a25df26769de873a1183556719d2a36f02c6abfdb06e8f
MD5 5be310eaaaae55c63d8ff4738ebb278c
SHA1 2002ac221d12f3477854ca5a81d7c0fe0b65bfdc
SHA512 58f7549e346a9be3d8d7223b9c44e2f9e139a2459bbc4b17d2b31c2d47b00fb84b4ad2d52ff7bcb2331e2a71539f00b67ae8d6a3859d11c0786ff039fe7aa222
SSDEEP 98304:IQupbwwUwW3Yy6CramsW1LE4udBvrXFffox7aETCb5:IFc1iCLE4eBvrXFoZGb5
TLSH
T11DB64A57E8B551E8C4AE9175CA369623BB713C894B3063D36B50F6242F33BD0AEB9740
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery skuld persistence stealer

Malware Config

Extracted

Family

skuld

https://discordapp.com/api/webhooks/1532441547801497660/ChEZxTAaVov5xIm-DrJkfXbzyXWcDdTmJE5TOYAA6XQaulOAWJP0xl_dzSwN6cTwvR60

Signatures

Family: Skuld stealer
An info stealer written in Go lang.
stealer skuld

Detects SkuldStealer 1 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001c47c-2.dat	family_skuld

Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 1 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001c47c-2.dat	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001c47c-2.dat	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables containing SQL queries to confidential data stores. Observed in infostealers 1 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001c47c-2.dat	INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore

Detects executables containing URLs to raw contents of a Github gist 1 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001c47c-2.dat	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL

Detects executables containing possible sandbox system UUIDs 1 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001c47c-2.dat	INDICATOR_SUSPICIOUS_EXE_SandboxSystemUUIDs

Detects executables referencing virtualization MAC addresses 1 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001c47c-2.dat	INDICATOR_SUSPICIOUS_VM_Evasion_MACAddrComb

Executes dropped EXE 1 IoCs

pid	Process
4692	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-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthSystray.exe"	2026-08-01_5be310eaaaae55c63d8ff4738ebb278c_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe

Looks up external IP address via web service 1 TTPs 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

discovery

Internet Connection Discovery

T1016.001

flow	ioc
1	api.ipify.org
1	ip-api.com
5	api.ipify.org

GoLang User-Agent 1 IoCs

Uses default user-agent string defined by GoLang HTTP packages.

description	flow	ioc
HTTP User-Agent header	11	Go-http-client/1.1

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5668	wmic.exe
5668	wmic.exe
5668	wmic.exe
5668	wmic.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	3332	2026-08-01_5be310eaaaae55c63d8ff4738ebb278c_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe
Token: SeDebugPrivilege	4692	SecurityHealthSystray.exe
Token: SeIncreaseQuotaPrivilege	5668	wmic.exe
Token: SeSecurityPrivilege	5668	wmic.exe
Token: SeTakeOwnershipPrivilege	5668	wmic.exe
Token: SeLoadDriverPrivilege	5668	wmic.exe
Token: SeSystemProfilePrivilege	5668	wmic.exe
Token: SeSystemtimePrivilege	5668	wmic.exe
Token: SeProfSingleProcessPrivilege	5668	wmic.exe
Token: SeIncBasePriorityPrivilege	5668	wmic.exe
Token: SeCreatePagefilePrivilege	5668	wmic.exe
Token: SeBackupPrivilege	5668	wmic.exe
Token: SeRestorePrivilege	5668	wmic.exe
Token: SeShutdownPrivilege	5668	wmic.exe
Token: SeDebugPrivilege	5668	wmic.exe
Token: SeSystemEnvironmentPrivilege	5668	wmic.exe
Token: SeRemoteShutdownPrivilege	5668	wmic.exe
Token: SeUndockPrivilege	5668	wmic.exe
Token: SeManageVolumePrivilege	5668	wmic.exe
Token: 33	5668	wmic.exe
Token: 34	5668	wmic.exe
Token: 35	5668	wmic.exe
Token: 36	5668	wmic.exe
Token: SeIncreaseQuotaPrivilege	5668	wmic.exe
Token: SeSecurityPrivilege	5668	wmic.exe
Token: SeTakeOwnershipPrivilege	5668	wmic.exe
Token: SeLoadDriverPrivilege	5668	wmic.exe
Token: SeSystemProfilePrivilege	5668	wmic.exe
Token: SeSystemtimePrivilege	5668	wmic.exe
Token: SeProfSingleProcessPrivilege	5668	wmic.exe
Token: SeIncBasePriorityPrivilege	5668	wmic.exe
Token: SeCreatePagefilePrivilege	5668	wmic.exe
Token: SeBackupPrivilege	5668	wmic.exe
Token: SeRestorePrivilege	5668	wmic.exe
Token: SeShutdownPrivilege	5668	wmic.exe
Token: SeDebugPrivilege	5668	wmic.exe
Token: SeSystemEnvironmentPrivilege	5668	wmic.exe
Token: SeRemoteShutdownPrivilege	5668	wmic.exe
Token: SeUndockPrivilege	5668	wmic.exe
Token: SeManageVolumePrivilege	5668	wmic.exe
Token: 33	5668	wmic.exe
Token: 34	5668	wmic.exe
Token: 35	5668	wmic.exe
Token: 36	5668	wmic.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3332 wrote to memory of 1616	3332	2026-08-01_5be310eaaaae55c63d8ff4738ebb278c_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe	91
PID 3332 wrote to memory of 6028	3332	2026-08-01_5be310eaaaae55c63d8ff4738ebb278c_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe	92
PID 3332 wrote to memory of 5668	3332	2026-08-01_5be310eaaaae55c63d8ff4738ebb278c_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe	95

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1616	attrib.exe
6028	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2026-08-01_5be310eaaaae55c63d8ff4738ebb278c_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-01_5be310eaaaae55c63d8ff4738ebb278c_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe"
1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3332
- C:\Windows\system32\attrib.exe
  attrib +h +s C:\Users\Admin\AppData\Local\Temp\2026-08-01_5be310eaaaae55c63d8ff4738ebb278c_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe
  2⤵
  - Views/modifies file attributes
  PID:1616
- C:\Windows\system32\attrib.exe
  attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
  2⤵
  - Views/modifies file attributes
  PID:6028
- C:\Windows\System32\Wbem\wmic.exe
  wmic csproduct get UUID
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5668

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4692

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

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

SecurityHealthSystray.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
Size 10.6MB
SHA256 dc497ce6bfbcea07f7a25df26769de873a1183556719d2a36f02c6abfdb06e8f
MD5 5be310eaaaae55c63d8ff4738ebb278c
SHA1 2002ac221d12f3477854ca5a81d7c0fe0b65bfdc
SHA512 58f7549e346a9be3d8d7223b9c44e2f9e139a2459bbc4b17d2b31c2d47b00fb84b4ad2d52ff7bcb2331e2a71539f00b67ae8d6a3859d11c0786ff039fe7aa222
SSDEEP 98304:IQupbwwUwW3Yy6CramsW1LE4udBvrXFffox7aETCb5:IFc1iCLE4eBvrXFoZGb5
TLSH
T11DB64A57E8B551E8C4AE9175CA369623BB713C894B3063D36B50F6242F33BD0AEB9740
MD5 SHA1 SHA512 SSDEEP TLSH

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