Analysis
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max time kernel
14s -
max time network
17s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
08-09-2024 22:20
Behavioral task
behavioral1
Sample
nitro tools/nitro.exe
Resource
win7-20240903-en
windows7-x64
3 signatures
30 seconds
General
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Target
nitro tools/nitro.exe
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Size
254KB
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MD5
943a2791a4d420fe5419e7a712b2389b
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SHA1
00a02e7b5061dd71b16c2be8b14449bf4064f076
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SHA256
9708125c30cd5a908da8bacd3e96869207dee7d0f8327eddc7f59fd329972f1a
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SHA512
99d8b32aeb0ca7677fd20ba58eb81b34c745bf7c9498d48b56f87804018f7ebc016ed043e376a876e4b4b1ae8e4b9daef6e215f3b61683936cb14b92fdf2f9f2
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SSDEEP
6144:K4oZoAeVHPtHgTIAaZgCwDx7axHU0unC28ejI8l7:xoZyHPvWCwjXCsI0
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral2/memory/1448-1-0x00000291A9860000-0x00000291A98A6000-memory.dmp family_umbral -
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 6 ip-api.com -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 1448 nitro.exe Token: SeIncreaseQuotaPrivilege 3132 wmic.exe Token: SeSecurityPrivilege 3132 wmic.exe Token: SeTakeOwnershipPrivilege 3132 wmic.exe Token: SeLoadDriverPrivilege 3132 wmic.exe Token: SeSystemProfilePrivilege 3132 wmic.exe Token: SeSystemtimePrivilege 3132 wmic.exe Token: SeProfSingleProcessPrivilege 3132 wmic.exe Token: SeIncBasePriorityPrivilege 3132 wmic.exe Token: SeCreatePagefilePrivilege 3132 wmic.exe Token: SeBackupPrivilege 3132 wmic.exe Token: SeRestorePrivilege 3132 wmic.exe Token: SeShutdownPrivilege 3132 wmic.exe Token: SeDebugPrivilege 3132 wmic.exe Token: SeSystemEnvironmentPrivilege 3132 wmic.exe Token: SeRemoteShutdownPrivilege 3132 wmic.exe Token: SeUndockPrivilege 3132 wmic.exe Token: SeManageVolumePrivilege 3132 wmic.exe Token: 33 3132 wmic.exe Token: 34 3132 wmic.exe Token: 35 3132 wmic.exe Token: 36 3132 wmic.exe Token: SeIncreaseQuotaPrivilege 3132 wmic.exe Token: SeSecurityPrivilege 3132 wmic.exe Token: SeTakeOwnershipPrivilege 3132 wmic.exe Token: SeLoadDriverPrivilege 3132 wmic.exe Token: SeSystemProfilePrivilege 3132 wmic.exe Token: SeSystemtimePrivilege 3132 wmic.exe Token: SeProfSingleProcessPrivilege 3132 wmic.exe Token: SeIncBasePriorityPrivilege 3132 wmic.exe Token: SeCreatePagefilePrivilege 3132 wmic.exe Token: SeBackupPrivilege 3132 wmic.exe Token: SeRestorePrivilege 3132 wmic.exe Token: SeShutdownPrivilege 3132 wmic.exe Token: SeDebugPrivilege 3132 wmic.exe Token: SeSystemEnvironmentPrivilege 3132 wmic.exe Token: SeRemoteShutdownPrivilege 3132 wmic.exe Token: SeUndockPrivilege 3132 wmic.exe Token: SeManageVolumePrivilege 3132 wmic.exe Token: 33 3132 wmic.exe Token: 34 3132 wmic.exe Token: 35 3132 wmic.exe Token: 36 3132 wmic.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1448 wrote to memory of 3132 1448 nitro.exe 93 PID 1448 wrote to memory of 3132 1448 nitro.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\nitro tools\nitro.exe"C:\Users\Admin\AppData\Local\Temp\nitro tools\nitro.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1448 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3132
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4448,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=4408 /prefetch:81⤵PID:3248