Analysis
- max time kernel
94s - max time network
135s - 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, 04:01
Behavioral task
behavioral1
Sample
eb69219e7087d2cde2b4d5fc8f5916e6da4c8ded26d596225c9ffdb6432afe7c.exe
Resource
win7-20240903-en
windows7-x64
0 signatures
150 seconds
Behavioral task
behavioral2
Sample
eb69219e7087d2cde2b4d5fc8f5916e6da4c8ded26d596225c9ffdb6432afe7c.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target eb69219e7087d2cde2b4d5fc8f5916e6da4c8ded26d596225c9ffdb6432afe7c.exe
- Size 9.9MB
- Sample241110-elc8jaymgy
- SHA256 eb69219e7087d2cde2b4d5fc8f5916e6da4c8ded26d596225c9ffdb6432afe7c
- MD5 b9e0806263b66ad2c40a42ba4b0e1afa
- SHA1 e797f845e0326d085ea59ab07f1bfe5c97366972
- SHA512 5078cc2d5f39edcc33b6dc75a1d472be072ae7ab04867233dc6ebc2c527b6eb403bd8171872819476d442219d8f67484e38da29790f9b99f5cf3709e430d5692
- SSDEEP 98304:OzU4brhxBASgf/gEpiji6Ig8TWA6EIICafZm/mbnXg:OxrhxBAGZji6IdThnRTXg
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
skuld
C2
-
https://discord.com/api/webhooks/1303511495669452840/YMUYaitq1zYOnhWAEVTNaVIdpFxeL0NRpgtnapspyivC9Zkqm099aqfP1_BHdvn5J08S
Signatures
- Skuld family
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthSystray.exe" eb69219e7087d2cde2b4d5fc8f5916e6da4c8ded26d596225c9ffdb6432afe7c.exe - Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 5 api.ipify.org 6 api.ipify.org 11 ip-api.com - GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 12 Go-http-client/1.1 -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C eb69219e7087d2cde2b4d5fc8f5916e6da4c8ded26d596225c9ffdb6432afe7c.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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 eb69219e7087d2cde2b4d5fc8f5916e6da4c8ded26d596225c9ffdb6432afe7c.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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 eb69219e7087d2cde2b4d5fc8f5916e6da4c8ded26d596225c9ffdb6432afe7c.exe - Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 4660 eb69219e7087d2cde2b4d5fc8f5916e6da4c8ded26d596225c9ffdb6432afe7c.exe Token: SeIncreaseQuotaPrivilege 4844 wmic.exe Token: SeSecurityPrivilege 4844 wmic.exe Token: SeTakeOwnershipPrivilege 4844 wmic.exe Token: SeLoadDriverPrivilege 4844 wmic.exe Token: SeSystemProfilePrivilege 4844 wmic.exe Token: SeSystemtimePrivilege 4844 wmic.exe Token: SeProfSingleProcessPrivilege 4844 wmic.exe Token: SeIncBasePriorityPrivilege 4844 wmic.exe Token: SeCreatePagefilePrivilege 4844 wmic.exe Token: SeBackupPrivilege 4844 wmic.exe Token: SeRestorePrivilege 4844 wmic.exe Token: SeShutdownPrivilege 4844 wmic.exe Token: SeDebugPrivilege 4844 wmic.exe Token: SeSystemEnvironmentPrivilege 4844 wmic.exe Token: SeRemoteShutdownPrivilege 4844 wmic.exe Token: SeUndockPrivilege 4844 wmic.exe Token: SeManageVolumePrivilege 4844 wmic.exe Token: 33 4844 wmic.exe Token: 34 4844 wmic.exe Token: 35 4844 wmic.exe Token: 36 4844 wmic.exe Token: SeIncreaseQuotaPrivilege 4844 wmic.exe Token: SeSecurityPrivilege 4844 wmic.exe Token: SeTakeOwnershipPrivilege 4844 wmic.exe Token: SeLoadDriverPrivilege 4844 wmic.exe Token: SeSystemProfilePrivilege 4844 wmic.exe Token: SeSystemtimePrivilege 4844 wmic.exe Token: SeProfSingleProcessPrivilege 4844 wmic.exe Token: SeIncBasePriorityPrivilege 4844 wmic.exe Token: SeCreatePagefilePrivilege 4844 wmic.exe Token: SeBackupPrivilege 4844 wmic.exe Token: SeRestorePrivilege 4844 wmic.exe Token: SeShutdownPrivilege 4844 wmic.exe Token: SeDebugPrivilege 4844 wmic.exe Token: SeSystemEnvironmentPrivilege 4844 wmic.exe Token: SeRemoteShutdownPrivilege 4844 wmic.exe Token: SeUndockPrivilege 4844 wmic.exe Token: SeManageVolumePrivilege 4844 wmic.exe Token: 33 4844 wmic.exe Token: 34 4844 wmic.exe Token: 35 4844 wmic.exe Token: 36 4844 wmic.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4660 wrote to memory of 1504 4660 eb69219e7087d2cde2b4d5fc8f5916e6da4c8ded26d596225c9ffdb6432afe7c.exe 84 PID 4660 wrote to memory of 1504 4660 eb69219e7087d2cde2b4d5fc8f5916e6da4c8ded26d596225c9ffdb6432afe7c.exe 84 PID 4660 wrote to memory of 2136 4660 eb69219e7087d2cde2b4d5fc8f5916e6da4c8ded26d596225c9ffdb6432afe7c.exe 85 PID 4660 wrote to memory of 2136 4660 eb69219e7087d2cde2b4d5fc8f5916e6da4c8ded26d596225c9ffdb6432afe7c.exe 85 PID 4660 wrote to memory of 4844 4660 eb69219e7087d2cde2b4d5fc8f5916e6da4c8ded26d596225c9ffdb6432afe7c.exe 86 PID 4660 wrote to memory of 4844 4660 eb69219e7087d2cde2b4d5fc8f5916e6da4c8ded26d596225c9ffdb6432afe7c.exe 86 - Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 2136 attrib.exe 1504 attrib.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\eb69219e7087d2cde2b4d5fc8f5916e6da4c8ded26d596225c9ffdb6432afe7c.exe"C:\Users\Admin\AppData\Local\Temp\eb69219e7087d2cde2b4d5fc8f5916e6da4c8ded26d596225c9ffdb6432afe7c.exe"1⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4660 -
C:\Windows\system32\attrib.exeattrib +h +s C:\Users\Admin\AppData\Local\Temp\eb69219e7087d2cde2b4d5fc8f5916e6da4c8ded26d596225c9ffdb6432afe7c.exe2⤵
- Views/modifies file attributes
PID:1504
-
-
C:\Windows\system32\attrib.exeattrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe2⤵
- Views/modifies file attributes
PID:2136
-
-
C:\Windows\System32\Wbem\wmic.exewmic csproduct get UUID2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4844
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
- Size 9.9MB
- SHA256 eb69219e7087d2cde2b4d5fc8f5916e6da4c8ded26d596225c9ffdb6432afe7c
- MD5 b9e0806263b66ad2c40a42ba4b0e1afa
- SHA1 e797f845e0326d085ea59ab07f1bfe5c97366972
- SHA512 5078cc2d5f39edcc33b6dc75a1d472be072ae7ab04867233dc6ebc2c527b6eb403bd8171872819476d442219d8f67484e38da29790f9b99f5cf3709e430d5692
- SSDEEP 98304:OzU4brhxBASgf/gEpiji6Ig8TWA6EIICafZm/mbnXg:OxrhxBAGZji6IdThnRTXg
- MD5 SHA1 SHA512 SSDEEP