Analysis
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max time kernel
16s -
max time network
20s -
platform
windows10-1703_x64 -
resource
win10-20240214-en -
resource tags
arch:x64arch:x86image:win10-20240214-enlocale:en-usos:windows10-1703-x64system -
submitted
11-03-2024 14:56
Behavioral task
behavioral1
Sample
Napalm Loader.zip
Resource
win10-20240214-en
windows10-1703-x64
Behavioral task
behavioral2
Sample
Napalm Loader.exe
Resource
win10-20240214-en
windows10-1703-x64
Behavioral task
behavioral3
Sample
README.txt
Resource
win10-20240221-en
windows10-1703-x64
Behavioral task
behavioral4
Sample
checksum.txt
Resource
win10-20240221-en
windows10-1703-x64
Behavioral task
behavioral5
Sample
napalm_hook.dll
Resource
win10-20240221-en
windows10-1703-x64
General
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Target
Napalm Loader.exe
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Size
234KB
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MD5
ea48746a371b2ad9de8f7cab0f43e535
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SHA1
823ef16b55f39302472adafc3db346902ec5e822
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SHA256
b045c2acabaee90a12b97375481f978f3680e97aa93b445b0f441c78f8fb161d
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SHA512
71c6597049a61e11f64508cd0a0e0f5f0825b8aba19585845d376af075cd8ad14b534221287180dd5cde59615350a45733818ce63ce60b7f0e6a98ca7cddef7d
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SSDEEP
6144:HloZM+rIkd8g+EtXHkv/iD4ctgClj8e1mBi:FoZtL+EP8Qpx
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral2/memory/4856-0-0x00000247BDA30000-0x00000247BDA70000-memory.dmp family_umbral -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 4856 Napalm Loader.exe Token: SeIncreaseQuotaPrivilege 4976 wmic.exe Token: SeSecurityPrivilege 4976 wmic.exe Token: SeTakeOwnershipPrivilege 4976 wmic.exe Token: SeLoadDriverPrivilege 4976 wmic.exe Token: SeSystemProfilePrivilege 4976 wmic.exe Token: SeSystemtimePrivilege 4976 wmic.exe Token: SeProfSingleProcessPrivilege 4976 wmic.exe Token: SeIncBasePriorityPrivilege 4976 wmic.exe Token: SeCreatePagefilePrivilege 4976 wmic.exe Token: SeBackupPrivilege 4976 wmic.exe Token: SeRestorePrivilege 4976 wmic.exe Token: SeShutdownPrivilege 4976 wmic.exe Token: SeDebugPrivilege 4976 wmic.exe Token: SeSystemEnvironmentPrivilege 4976 wmic.exe Token: SeRemoteShutdownPrivilege 4976 wmic.exe Token: SeUndockPrivilege 4976 wmic.exe Token: SeManageVolumePrivilege 4976 wmic.exe Token: 33 4976 wmic.exe Token: 34 4976 wmic.exe Token: 35 4976 wmic.exe Token: 36 4976 wmic.exe Token: SeIncreaseQuotaPrivilege 4976 wmic.exe Token: SeSecurityPrivilege 4976 wmic.exe Token: SeTakeOwnershipPrivilege 4976 wmic.exe Token: SeLoadDriverPrivilege 4976 wmic.exe Token: SeSystemProfilePrivilege 4976 wmic.exe Token: SeSystemtimePrivilege 4976 wmic.exe Token: SeProfSingleProcessPrivilege 4976 wmic.exe Token: SeIncBasePriorityPrivilege 4976 wmic.exe Token: SeCreatePagefilePrivilege 4976 wmic.exe Token: SeBackupPrivilege 4976 wmic.exe Token: SeRestorePrivilege 4976 wmic.exe Token: SeShutdownPrivilege 4976 wmic.exe Token: SeDebugPrivilege 4976 wmic.exe Token: SeSystemEnvironmentPrivilege 4976 wmic.exe Token: SeRemoteShutdownPrivilege 4976 wmic.exe Token: SeUndockPrivilege 4976 wmic.exe Token: SeManageVolumePrivilege 4976 wmic.exe Token: 33 4976 wmic.exe Token: 34 4976 wmic.exe Token: 35 4976 wmic.exe Token: 36 4976 wmic.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4856 wrote to memory of 4976 4856 Napalm Loader.exe 75 PID 4856 wrote to memory of 4976 4856 Napalm Loader.exe 75
Processes
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C:\Users\Admin\AppData\Local\Temp\Napalm Loader.exe"C:\Users\Admin\AppData\Local\Temp\Napalm Loader.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4976
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