skuld | 6f34d2cf655f2e5b49a6de0e9cba16bfa647e65a7975cbffaffc342ba83ce1e3

Analysis

max time kernel
150s
max time network
115s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/08/2026, 06:50

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General

Target
2026-08-05_a0c62c7b10e480a9710e294701937e67_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe
Size 10.6MB
Sample260805-hmflts1cpf
SHA256 6f34d2cf655f2e5b49a6de0e9cba16bfa647e65a7975cbffaffc342ba83ce1e3
MD5 a0c62c7b10e480a9710e294701937e67
SHA1 c2a783e0bd5e07a57d7af40a9a7e3a43cdfad35d
SHA512 f5b9c12c15b71f16f0a975e29943eb3a195b8227a2c83849706bc7d96d3eb10f1ff83846ad96542357c0102a10f90990db12b602cf4ba4f29cfd6be2e2206f46
SSDEEP 98304:Y4KqbVaz+2wD5QaQtkA4IgKvnvKrn/f9oTJuLE184ZcPLBEiDO:YG5azGAV4IgknvKrn/6NuiiDO
TLSH
T191B64A57ECB541E9C0AE9175CA369563BB713C884B3063D76B50F6242F36BD0AEBA340
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery skuld persistence stealer

Malware Config

Signatures

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

Detects SkuldStealer 1 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001c5ee-2.dat	family_skuld

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

resource	yara_rule
behavioral2/files/0x000d00000001c5ee-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/0x000d00000001c5ee-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/0x000d00000001c5ee-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/0x000d00000001c5ee-2.dat	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL

Detects executables containing possible sandbox system UUIDs 1 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001c5ee-2.dat	INDICATOR_SUSPICIOUS_EXE_SandboxSystemUUIDs

Detects executables referencing virtualization MAC addresses 1 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001c5ee-2.dat	INDICATOR_SUSPICIOUS_VM_Evasion_MACAddrComb

Executes dropped EXE 1 IoCs

pid	Process
4892	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-1-5-21-4046655672-1449839301-2197395821-1000\Software\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthSystray.exe"	2026-08-05_a0c62c7b10e480a9710e294701937e67_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe

Looks up external IP address via web service 1 TTPs 4 IoCs

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

discovery

Internet Connection Discovery

T1016.001

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

GoLang User-Agent 2 IoCs

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

description	flow	ioc
HTTP User-Agent header	9	Go-http-client/1.1
HTTP User-Agent header	6	Go-http-client/1.1

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
5580	wmic.exe
5580	wmic.exe
5580	wmic.exe
5580	wmic.exe
3344	wmic.exe
3344	wmic.exe
3344	wmic.exe
3344	wmic.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4568	2026-08-05_a0c62c7b10e480a9710e294701937e67_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe
Token: SeIncreaseQuotaPrivilege	5580	wmic.exe
Token: SeSecurityPrivilege	5580	wmic.exe
Token: SeTakeOwnershipPrivilege	5580	wmic.exe
Token: SeLoadDriverPrivilege	5580	wmic.exe
Token: SeSystemProfilePrivilege	5580	wmic.exe
Token: SeSystemtimePrivilege	5580	wmic.exe
Token: SeProfSingleProcessPrivilege	5580	wmic.exe
Token: SeIncBasePriorityPrivilege	5580	wmic.exe
Token: SeCreatePagefilePrivilege	5580	wmic.exe
Token: SeBackupPrivilege	5580	wmic.exe
Token: SeRestorePrivilege	5580	wmic.exe
Token: SeShutdownPrivilege	5580	wmic.exe
Token: SeDebugPrivilege	5580	wmic.exe
Token: SeSystemEnvironmentPrivilege	5580	wmic.exe
Token: SeRemoteShutdownPrivilege	5580	wmic.exe
Token: SeUndockPrivilege	5580	wmic.exe
Token: SeManageVolumePrivilege	5580	wmic.exe
Token: 33	5580	wmic.exe
Token: 34	5580	wmic.exe
Token: 35	5580	wmic.exe
Token: 36	5580	wmic.exe
Token: SeIncreaseQuotaPrivilege	5580	wmic.exe
Token: SeSecurityPrivilege	5580	wmic.exe
Token: SeTakeOwnershipPrivilege	5580	wmic.exe
Token: SeLoadDriverPrivilege	5580	wmic.exe
Token: SeSystemProfilePrivilege	5580	wmic.exe
Token: SeSystemtimePrivilege	5580	wmic.exe
Token: SeProfSingleProcessPrivilege	5580	wmic.exe
Token: SeIncBasePriorityPrivilege	5580	wmic.exe
Token: SeCreatePagefilePrivilege	5580	wmic.exe
Token: SeBackupPrivilege	5580	wmic.exe
Token: SeRestorePrivilege	5580	wmic.exe
Token: SeShutdownPrivilege	5580	wmic.exe
Token: SeDebugPrivilege	5580	wmic.exe
Token: SeSystemEnvironmentPrivilege	5580	wmic.exe
Token: SeRemoteShutdownPrivilege	5580	wmic.exe
Token: SeUndockPrivilege	5580	wmic.exe
Token: SeManageVolumePrivilege	5580	wmic.exe
Token: 33	5580	wmic.exe
Token: 34	5580	wmic.exe
Token: 35	5580	wmic.exe
Token: 36	5580	wmic.exe
Token: SeDebugPrivilege	4892	SecurityHealthSystray.exe
Token: SeIncreaseQuotaPrivilege	3344	wmic.exe
Token: SeSecurityPrivilege	3344	wmic.exe
Token: SeTakeOwnershipPrivilege	3344	wmic.exe
Token: SeLoadDriverPrivilege	3344	wmic.exe
Token: SeSystemProfilePrivilege	3344	wmic.exe
Token: SeSystemtimePrivilege	3344	wmic.exe
Token: SeProfSingleProcessPrivilege	3344	wmic.exe
Token: SeIncBasePriorityPrivilege	3344	wmic.exe
Token: SeCreatePagefilePrivilege	3344	wmic.exe
Token: SeBackupPrivilege	3344	wmic.exe
Token: SeRestorePrivilege	3344	wmic.exe
Token: SeShutdownPrivilege	3344	wmic.exe
Token: SeDebugPrivilege	3344	wmic.exe
Token: SeSystemEnvironmentPrivilege	3344	wmic.exe
Token: SeRemoteShutdownPrivilege	3344	wmic.exe
Token: SeUndockPrivilege	3344	wmic.exe
Token: SeManageVolumePrivilege	3344	wmic.exe
Token: 33	3344	wmic.exe
Token: 34	3344	wmic.exe
Token: 35	3344	wmic.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4568 wrote to memory of 5948	4568	2026-08-05_a0c62c7b10e480a9710e294701937e67_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe	90
PID 4568 wrote to memory of 6076	4568	2026-08-05_a0c62c7b10e480a9710e294701937e67_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe	92
PID 4568 wrote to memory of 5580	4568	2026-08-05_a0c62c7b10e480a9710e294701937e67_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe	95
PID 4892 wrote to memory of 5236	4892	SecurityHealthSystray.exe	98
PID 4892 wrote to memory of 3344	4892	SecurityHealthSystray.exe	100

Views/modifies file attributes 1 TTPs 3 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
6076	attrib.exe
5236	attrib.exe
5948	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2026-08-05_a0c62c7b10e480a9710e294701937e67_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-05_a0c62c7b10e480a9710e294701937e67_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:4568
- C:\Windows\system32\attrib.exe
  attrib +h +s C:\Users\Admin\AppData\Local\Temp\2026-08-05_a0c62c7b10e480a9710e294701937e67_coinminer_dosia_glassworm_ngrbot_poet-rat_quasar-rat_snatch.exe
  2⤵
  - Views/modifies file attributes
  PID:5948
- C:\Windows\system32\attrib.exe
  attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
  2⤵
  - Views/modifies file attributes
  PID:6076
- C:\Windows\System32\Wbem\wmic.exe
  wmic csproduct get UUID
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5580

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
- Suspicious use of WriteProcessMemory
PID:4892
- C:\Windows\system32\attrib.exe
  attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
  2⤵
  - Views/modifies file attributes
  PID:5236
- C:\Windows\System32\Wbem\wmic.exe
  wmic csproduct get UUID
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3344

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 6f34d2cf655f2e5b49a6de0e9cba16bfa647e65a7975cbffaffc342ba83ce1e3
MD5 a0c62c7b10e480a9710e294701937e67
SHA1 c2a783e0bd5e07a57d7af40a9a7e3a43cdfad35d
SHA512 f5b9c12c15b71f16f0a975e29943eb3a195b8227a2c83849706bc7d96d3eb10f1ff83846ad96542357c0102a10f90990db12b602cf4ba4f29cfd6be2e2206f46
SSDEEP 98304:Y4KqbVaz+2wD5QaQtkA4IgKvnvKrn/f9oTJuLE184ZcPLBEiDO:YG5azGAV4IgknvKrn/6NuiiDO
TLSH
T191B64A57ECB541E9C0AE9175CA369563BB713C884B3063D76B50F6242F36BD0AEBA340
MD5 SHA1 SHA512 SSDEEP TLSH

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