skuld | de7b943a005818fb37b4470708b7b045714f68e3c54f4eb6e616123965b9ab67

Analysis

max time kernel
150s
max time network
134s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
29/07/2026, 22:12

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General

Target
2026-07-29_d1547231c2ccdd175a23456d4edfc4e3_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe
Size 10.6MB
Sample260729-14rdrsff65
SHA256 de7b943a005818fb37b4470708b7b045714f68e3c54f4eb6e616123965b9ab67
MD5 d1547231c2ccdd175a23456d4edfc4e3
SHA1 8a0f95bce43d4c4e388773a4a8e993bf97ac17cc
SHA512 70f4ae68835380cf4306a952f63665c483e4a31ff60b87d3ca7373359269c451b894f468bf6463fc5b3089284509b560a6e0ced71f6dfa3d8a4439c9f12c607a
SSDEEP 98304:54bk+AdAnHZEY26nPUlrxx/dSvOokffoxryEtAb5:53ZeD8rxxFSvOokoJKb5
TLSH
T11CB64A57E8B551E8C4AE9175CA369623BB713C894B3063D36B50F6242F33BD0AEB9740
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery skuld persistence stealer

Malware Config

Extracted

Family

skuld

https://discord.com/api/webhooks/1532091402937434266/kn4R9KIj8y0a1o5NL9rFCmFccWSV0U594oRnmCNI-Q6UrEO2fvhjhV8KP4hSlWsJVeHV

Signatures

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

Detects SkuldStealer 1 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c4fd-2.dat	family_skuld

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

resource	yara_rule
behavioral2/files/0x000e00000001c4fd-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/0x000e00000001c4fd-2.dat	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables Discord URL observed in first stage droppers 1 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c4fd-2.dat	INDICATOR_SUSPICIOUS_EXE_DiscordURL

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

resource	yara_rule
behavioral2/files/0x000e00000001c4fd-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/0x000e00000001c4fd-2.dat	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL

Detects executables containing possible sandbox system UUIDs 1 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c4fd-2.dat	INDICATOR_SUSPICIOUS_EXE_SandboxSystemUUIDs

Detects executables referencing virtualization MAC addresses 1 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c4fd-2.dat	INDICATOR_SUSPICIOUS_VM_Evasion_MACAddrComb

Executes dropped EXE 1 IoCs

pid	Process
3864	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-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthSystray.exe"	2026-07-29_d1547231c2ccdd175a23456d4edfc4e3_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
2	api.ipify.org
2	ip-api.com
6	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	13	Go-http-client/1.1

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
616	wmic.exe
616	wmic.exe
616	wmic.exe
616	wmic.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	3076	2026-07-29_d1547231c2ccdd175a23456d4edfc4e3_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe
Token: SeDebugPrivilege	3864	SecurityHealthSystray.exe
Token: SeIncreaseQuotaPrivilege	616	wmic.exe
Token: SeSecurityPrivilege	616	wmic.exe
Token: SeTakeOwnershipPrivilege	616	wmic.exe
Token: SeLoadDriverPrivilege	616	wmic.exe
Token: SeSystemProfilePrivilege	616	wmic.exe
Token: SeSystemtimePrivilege	616	wmic.exe
Token: SeProfSingleProcessPrivilege	616	wmic.exe
Token: SeIncBasePriorityPrivilege	616	wmic.exe
Token: SeCreatePagefilePrivilege	616	wmic.exe
Token: SeBackupPrivilege	616	wmic.exe
Token: SeRestorePrivilege	616	wmic.exe
Token: SeShutdownPrivilege	616	wmic.exe
Token: SeDebugPrivilege	616	wmic.exe
Token: SeSystemEnvironmentPrivilege	616	wmic.exe
Token: SeRemoteShutdownPrivilege	616	wmic.exe
Token: SeUndockPrivilege	616	wmic.exe
Token: SeManageVolumePrivilege	616	wmic.exe
Token: 33	616	wmic.exe
Token: 34	616	wmic.exe
Token: 35	616	wmic.exe
Token: 36	616	wmic.exe
Token: SeIncreaseQuotaPrivilege	616	wmic.exe
Token: SeSecurityPrivilege	616	wmic.exe
Token: SeTakeOwnershipPrivilege	616	wmic.exe
Token: SeLoadDriverPrivilege	616	wmic.exe
Token: SeSystemProfilePrivilege	616	wmic.exe
Token: SeSystemtimePrivilege	616	wmic.exe
Token: SeProfSingleProcessPrivilege	616	wmic.exe
Token: SeIncBasePriorityPrivilege	616	wmic.exe
Token: SeCreatePagefilePrivilege	616	wmic.exe
Token: SeBackupPrivilege	616	wmic.exe
Token: SeRestorePrivilege	616	wmic.exe
Token: SeShutdownPrivilege	616	wmic.exe
Token: SeDebugPrivilege	616	wmic.exe
Token: SeSystemEnvironmentPrivilege	616	wmic.exe
Token: SeRemoteShutdownPrivilege	616	wmic.exe
Token: SeUndockPrivilege	616	wmic.exe
Token: SeManageVolumePrivilege	616	wmic.exe
Token: 33	616	wmic.exe
Token: 34	616	wmic.exe
Token: 35	616	wmic.exe
Token: 36	616	wmic.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3076 wrote to memory of 4860	3076	2026-07-29_d1547231c2ccdd175a23456d4edfc4e3_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe	89
PID 3076 wrote to memory of 1476	3076	2026-07-29_d1547231c2ccdd175a23456d4edfc4e3_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe	91
PID 3076 wrote to memory of 616	3076	2026-07-29_d1547231c2ccdd175a23456d4edfc4e3_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
1476	attrib.exe
4860	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2026-07-29_d1547231c2ccdd175a23456d4edfc4e3_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-29_d1547231c2ccdd175a23456d4edfc4e3_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:3076
- C:\Windows\system32\attrib.exe
  attrib +h +s C:\Users\Admin\AppData\Local\Temp\2026-07-29_d1547231c2ccdd175a23456d4edfc4e3_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe
  2⤵
  - Views/modifies file attributes
  PID:4860
- C:\Windows\system32\attrib.exe
  attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
  2⤵
  - Views/modifies file attributes
  PID:1476
- C:\Windows\System32\Wbem\wmic.exe
  wmic csproduct get UUID
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:616

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:3864

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

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Downloads

SecurityHealthSystray.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
Size 10.6MB
SHA256 de7b943a005818fb37b4470708b7b045714f68e3c54f4eb6e616123965b9ab67
MD5 d1547231c2ccdd175a23456d4edfc4e3
SHA1 8a0f95bce43d4c4e388773a4a8e993bf97ac17cc
SHA512 70f4ae68835380cf4306a952f63665c483e4a31ff60b87d3ca7373359269c451b894f468bf6463fc5b3089284509b560a6e0ced71f6dfa3d8a4439c9f12c607a
SSDEEP 98304:54bk+AdAnHZEY26nPUlrxx/dSvOokffoxryEtAb5:53ZeD8rxxFSvOokoJKb5
TLSH
T11CB64A57E8B551E8C4AE9175CA369623BB713C894B3063D36B50F6242F33BD0AEB9740
MD5 SHA1 SHA512 SSDEEP TLSH

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