Analysis
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max time kernel
108s -
max time network
141s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20241023-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
13-11-2024 13:32
Behavioral task
behavioral1
Sample
EacBypassGLOBAL.exe
Resource
win10ltsc2021-20241023-en
windows10-ltsc 2021-x64
7 signatures
150 seconds
General
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Target
EacBypassGLOBAL.exe
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Size
312KB
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MD5
312f3cb6ec13f32fa7e70ca7717fdfe4
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SHA1
6324c2bb52adcf190dcdf41acd426599751da68f
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SHA256
b76766976849bada142b6825d45e1a0b4054dc948a990f7fa8cd8291c1731ba4
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SHA512
bc3ba54a285b1d714b86e558d6e65fd2e9a1c87b7977cf4345451148fbabfbd9563d732237ee26bb06471b8c39b25bbdd64deed19c87e646fb116c3080374a1c
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SSDEEP
6144:1loZM+rIkd8g+EtXHkv/iD4ndCljpaC9mop7mGzdwb8e1mXiM6hd39hikTH1:XoZtL+EP8ndCljpaC9mop7mGzS9L3z
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral1/memory/1448-1-0x000001D7BF8D0000-0x000001D7BF924000-memory.dmp family_umbral -
Umbral family
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 10 ip-api.com -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3944 wmic.exe 3944 wmic.exe 3944 wmic.exe 3944 wmic.exe -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 1448 EacBypassGLOBAL.exe Token: SeIncreaseQuotaPrivilege 3944 wmic.exe Token: SeSecurityPrivilege 3944 wmic.exe Token: SeTakeOwnershipPrivilege 3944 wmic.exe Token: SeLoadDriverPrivilege 3944 wmic.exe Token: SeSystemProfilePrivilege 3944 wmic.exe Token: SeSystemtimePrivilege 3944 wmic.exe Token: SeProfSingleProcessPrivilege 3944 wmic.exe Token: SeIncBasePriorityPrivilege 3944 wmic.exe Token: SeCreatePagefilePrivilege 3944 wmic.exe Token: SeBackupPrivilege 3944 wmic.exe Token: SeRestorePrivilege 3944 wmic.exe Token: SeShutdownPrivilege 3944 wmic.exe Token: SeDebugPrivilege 3944 wmic.exe Token: SeSystemEnvironmentPrivilege 3944 wmic.exe Token: SeRemoteShutdownPrivilege 3944 wmic.exe Token: SeUndockPrivilege 3944 wmic.exe Token: SeManageVolumePrivilege 3944 wmic.exe Token: 33 3944 wmic.exe Token: 34 3944 wmic.exe Token: 35 3944 wmic.exe Token: 36 3944 wmic.exe Token: SeIncreaseQuotaPrivilege 3944 wmic.exe Token: SeSecurityPrivilege 3944 wmic.exe Token: SeTakeOwnershipPrivilege 3944 wmic.exe Token: SeLoadDriverPrivilege 3944 wmic.exe Token: SeSystemProfilePrivilege 3944 wmic.exe Token: SeSystemtimePrivilege 3944 wmic.exe Token: SeProfSingleProcessPrivilege 3944 wmic.exe Token: SeIncBasePriorityPrivilege 3944 wmic.exe Token: SeCreatePagefilePrivilege 3944 wmic.exe Token: SeBackupPrivilege 3944 wmic.exe Token: SeRestorePrivilege 3944 wmic.exe Token: SeShutdownPrivilege 3944 wmic.exe Token: SeDebugPrivilege 3944 wmic.exe Token: SeSystemEnvironmentPrivilege 3944 wmic.exe Token: SeRemoteShutdownPrivilege 3944 wmic.exe Token: SeUndockPrivilege 3944 wmic.exe Token: SeManageVolumePrivilege 3944 wmic.exe Token: 33 3944 wmic.exe Token: 34 3944 wmic.exe Token: 35 3944 wmic.exe Token: 36 3944 wmic.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1448 wrote to memory of 3944 1448 EacBypassGLOBAL.exe 85 PID 1448 wrote to memory of 3944 1448 EacBypassGLOBAL.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\EacBypassGLOBAL.exe"C:\Users\Admin\AppData\Local\Temp\EacBypassGLOBAL.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1448 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3944
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