skuld | 4eea759ebe234cab9c7dc6bcb4a44257b1e5bb0370159c3396c0a00e94eb52bb

Analysis

max time kernel
150s
max time network
134s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
30/07/2026, 03:28

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General

Target
2026-07-30_55557a23f2244a3be97696ebdfa53777_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe
Size 10.6MB
Sample260730-d1rtssbb38
SHA256 4eea759ebe234cab9c7dc6bcb4a44257b1e5bb0370159c3396c0a00e94eb52bb
MD5 55557a23f2244a3be97696ebdfa53777
SHA1 3003573722932f3cf0cf9466738da94c11ba668f
SHA512 82a0d8b1d2b2d37f6977e6d71e268400fa5788d6bbf184c82b6421a83d2da39ef08594cb3ef31692f096226979a2d9aa658f01be778bbe67ed2ac22effa10cf6
SSDEEP 98304:DptFsMtm4kqSNkq3C1Pr9LecuvT6wfoNVzAE1Vb:D1LUCtr9LjuvT6HtTb
TLSH
T1D9B64957E8B541E8C5AE9175CA369622BB713C894B3063D76F50F6242F33BD0AEB9340
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery skuld persistence stealer

Malware Config

Extracted

Family

skuld

https://discord.com/api/webhooks/1520771036411596890/HzArXRc3I25N0RYhHrurQjlZoHu4TbGDL0SrmbpKO9FnAKu2WWVdrGW6rOtxGmMfnlGN

Signatures

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

Detects SkuldStealer 1 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001c567-2.dat	family_skuld

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

resource	yara_rule
behavioral2/files/0x000d00000001c567-2.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/0x000d00000001c567-2.dat	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables Discord URL observed in first stage droppers 1 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001c567-2.dat	INDICATOR_SUSPICIOUS_EXE_DiscordURL

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

resource	yara_rule
behavioral2/files/0x000d00000001c567-2.dat	INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore

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

resource	yara_rule
behavioral2/files/0x000d00000001c567-2.dat	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL

Detects executables containing possible sandbox system UUIDs 1 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001c567-2.dat	INDICATOR_SUSPICIOUS_EXE_SandboxSystemUUIDs

Detects executables referencing virtualization MAC addresses 1 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001c567-2.dat	INDICATOR_SUSPICIOUS_VM_Evasion_MACAddrComb

Executes dropped EXE 1 IoCs

pid	Process
4224	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-1-5-21-2301830172-776172150-2531349243-1000\Software\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthSystray.exe"	2026-07-30_55557a23f2244a3be97696ebdfa53777_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	6	Go-http-client/1.1

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4320	wmic.exe
4320	wmic.exe
4320	wmic.exe
4320	wmic.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	4512	2026-07-30_55557a23f2244a3be97696ebdfa53777_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe
Token: SeDebugPrivilege	4224	SecurityHealthSystray.exe
Token: SeIncreaseQuotaPrivilege	4320	wmic.exe
Token: SeSecurityPrivilege	4320	wmic.exe
Token: SeTakeOwnershipPrivilege	4320	wmic.exe
Token: SeLoadDriverPrivilege	4320	wmic.exe
Token: SeSystemProfilePrivilege	4320	wmic.exe
Token: SeSystemtimePrivilege	4320	wmic.exe
Token: SeProfSingleProcessPrivilege	4320	wmic.exe
Token: SeIncBasePriorityPrivilege	4320	wmic.exe
Token: SeCreatePagefilePrivilege	4320	wmic.exe
Token: SeBackupPrivilege	4320	wmic.exe
Token: SeRestorePrivilege	4320	wmic.exe
Token: SeShutdownPrivilege	4320	wmic.exe
Token: SeDebugPrivilege	4320	wmic.exe
Token: SeSystemEnvironmentPrivilege	4320	wmic.exe
Token: SeRemoteShutdownPrivilege	4320	wmic.exe
Token: SeUndockPrivilege	4320	wmic.exe
Token: SeManageVolumePrivilege	4320	wmic.exe
Token: 33	4320	wmic.exe
Token: 34	4320	wmic.exe
Token: 35	4320	wmic.exe
Token: 36	4320	wmic.exe
Token: SeIncreaseQuotaPrivilege	4320	wmic.exe
Token: SeSecurityPrivilege	4320	wmic.exe
Token: SeTakeOwnershipPrivilege	4320	wmic.exe
Token: SeLoadDriverPrivilege	4320	wmic.exe
Token: SeSystemProfilePrivilege	4320	wmic.exe
Token: SeSystemtimePrivilege	4320	wmic.exe
Token: SeProfSingleProcessPrivilege	4320	wmic.exe
Token: SeIncBasePriorityPrivilege	4320	wmic.exe
Token: SeCreatePagefilePrivilege	4320	wmic.exe
Token: SeBackupPrivilege	4320	wmic.exe
Token: SeRestorePrivilege	4320	wmic.exe
Token: SeShutdownPrivilege	4320	wmic.exe
Token: SeDebugPrivilege	4320	wmic.exe
Token: SeSystemEnvironmentPrivilege	4320	wmic.exe
Token: SeRemoteShutdownPrivilege	4320	wmic.exe
Token: SeUndockPrivilege	4320	wmic.exe
Token: SeManageVolumePrivilege	4320	wmic.exe
Token: 33	4320	wmic.exe
Token: 34	4320	wmic.exe
Token: 35	4320	wmic.exe
Token: 36	4320	wmic.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4512 wrote to memory of 4176	4512	2026-07-30_55557a23f2244a3be97696ebdfa53777_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe	89
PID 4512 wrote to memory of 4092	4512	2026-07-30_55557a23f2244a3be97696ebdfa53777_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe	91
PID 4512 wrote to memory of 4320	4512	2026-07-30_55557a23f2244a3be97696ebdfa53777_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe	93

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4176	attrib.exe
4092	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2026-07-30_55557a23f2244a3be97696ebdfa53777_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-30_55557a23f2244a3be97696ebdfa53777_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:4512
- C:\Windows\system32\attrib.exe
  attrib +h +s C:\Users\Admin\AppData\Local\Temp\2026-07-30_55557a23f2244a3be97696ebdfa53777_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe
  2⤵
  - Views/modifies file attributes
  PID:4176
- C:\Windows\system32\attrib.exe
  attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
  2⤵
  - Views/modifies file attributes
  PID:4092
- C:\Windows\System32\Wbem\wmic.exe
  wmic csproduct get UUID
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4320

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:4224

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 4eea759ebe234cab9c7dc6bcb4a44257b1e5bb0370159c3396c0a00e94eb52bb
MD5 55557a23f2244a3be97696ebdfa53777
SHA1 3003573722932f3cf0cf9466738da94c11ba668f
SHA512 82a0d8b1d2b2d37f6977e6d71e268400fa5788d6bbf184c82b6421a83d2da39ef08594cb3ef31692f096226979a2d9aa658f01be778bbe67ed2ac22effa10cf6
SSDEEP 98304:DptFsMtm4kqSNkq3C1Pr9LecuvT6wfoNVzAE1Vb:D1LUCtr9LjuvT6HtTb
TLSH
T1D9B64957E8B541E8C5AE9175CA369622BB713C894B3063D76F50F6242F33BD0AEB9340
MD5 SHA1 SHA512 SSDEEP TLSH

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