Analysis
- max time kernel
149s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
24/09/2026, 06:20
Behavioral task
behavioral1
Sample
SecureCheck.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target SecureCheck.exe
- Size 306KB
- Sample260924-g3rtcsfg86
- SHA256 ca5c9fd429e9ca758b80d8e156be05b53da4436d631b364e7f74e97d3c6bd8bf
- MD5 eb52147ba052719ec02f0f34e558dc2a
- SHA1 4db702eb9a0be98303487b694aec29e75d4688af
- SHA512 02ca798044cadb31976a7103a042d9fe1935a4e5c385cbd456d86bc15dbdcb6904791f171003d04f9dc09a9ca8631e0d9913b20cffa18b2e8f49977b2bb44b86
- SSDEEP 6144:vloZM+rIkd8g+EtXHkv/iD4LEBCg/7I8R0STTKrhf7txND8e1mLiuxDum8XSv/Su:NoZtL+EP8LEBCg/7I8R0STTKFRxJNIuV
- TLSH T17B648C5837F89F12E21F8BBEE5B1549F8771B103E90AF78E0C8895FC1422B42E945A57
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
umbral
Version
-
v1.3
C2
-
https://discord.com/api/webhooks/1237029252285861910/k01vX69SAWif6kCqudGYITc6IvCQYHV-McHrHcg3rYSnnITUv5ViyFBuPb_ka1Cf0Ul3
Signatures
- Detects Umbral payload 2 IoCs
resource yara_rule behavioral1/memory/4072-0-0x00000185C5AF0000-0x00000185C5B42000-memory.dmp family_umbral behavioral1/memory/4072-0-0x00000185C5AF0000-0x00000185C5B42000-memory.dmp family_umbral_obfuscated - Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 7 ip-api.com - Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 4072 SecureCheck.exe Token: SeIncreaseQuotaPrivilege 4856 wmic.exe Token: SeSecurityPrivilege 4856 wmic.exe Token: SeTakeOwnershipPrivilege 4856 wmic.exe Token: SeLoadDriverPrivilege 4856 wmic.exe Token: SeSystemProfilePrivilege 4856 wmic.exe Token: SeSystemtimePrivilege 4856 wmic.exe Token: SeProfSingleProcessPrivilege 4856 wmic.exe Token: SeIncBasePriorityPrivilege 4856 wmic.exe Token: SeCreatePagefilePrivilege 4856 wmic.exe Token: SeBackupPrivilege 4856 wmic.exe Token: SeRestorePrivilege 4856 wmic.exe Token: SeShutdownPrivilege 4856 wmic.exe Token: SeDebugPrivilege 4856 wmic.exe Token: SeSystemEnvironmentPrivilege 4856 wmic.exe Token: SeRemoteShutdownPrivilege 4856 wmic.exe Token: SeUndockPrivilege 4856 wmic.exe Token: SeManageVolumePrivilege 4856 wmic.exe Token: 33 4856 wmic.exe Token: 34 4856 wmic.exe Token: 35 4856 wmic.exe Token: 36 4856 wmic.exe Token: SeIncreaseQuotaPrivilege 4856 wmic.exe Token: SeSecurityPrivilege 4856 wmic.exe Token: SeTakeOwnershipPrivilege 4856 wmic.exe Token: SeLoadDriverPrivilege 4856 wmic.exe Token: SeSystemProfilePrivilege 4856 wmic.exe Token: SeSystemtimePrivilege 4856 wmic.exe Token: SeProfSingleProcessPrivilege 4856 wmic.exe Token: SeIncBasePriorityPrivilege 4856 wmic.exe Token: SeCreatePagefilePrivilege 4856 wmic.exe Token: SeBackupPrivilege 4856 wmic.exe Token: SeRestorePrivilege 4856 wmic.exe Token: SeShutdownPrivilege 4856 wmic.exe Token: SeDebugPrivilege 4856 wmic.exe Token: SeSystemEnvironmentPrivilege 4856 wmic.exe Token: SeRemoteShutdownPrivilege 4856 wmic.exe Token: SeUndockPrivilege 4856 wmic.exe Token: SeManageVolumePrivilege 4856 wmic.exe Token: 33 4856 wmic.exe Token: 34 4856 wmic.exe Token: 35 4856 wmic.exe Token: 36 4856 wmic.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4072 wrote to memory of 4856 4072 SecureCheck.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecureCheck.exe"C:\Users\Admin\AppData\Local\Temp\SecureCheck.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4072 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4856
-