Analysis
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max time kernel
234s -
max time network
302s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
27-04-2024 22:30
Behavioral task
behavioral1
Sample
l0xmdpqk.ylw.bin.exe
Resource
win7-20240220-en
windows7-x64
4 signatures
300 seconds
Behavioral task
behavioral2
Sample
l0xmdpqk.ylw.bin.exe
Resource
win10-20240404-en
windows10-1703-x64
4 signatures
300 seconds
Behavioral task
behavioral3
Sample
l0xmdpqk.ylw.bin.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
4 signatures
300 seconds
General
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Target
l0xmdpqk.ylw.bin.exe
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Size
227KB
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MD5
7f32dcbb00de079c31ff7895ae9c0560
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SHA1
e80841a355b8dce9955b9bbba63f02a4ad31a836
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SHA256
5658f42d6332d99827d772a710d74e905f822d23e958c86f802973c2cffe850f
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SHA512
776cabc7d2442d90655eec0f434c811146b7f569dbace3c8609a582c167af5990ec25d1d7a8eb111744cecbdcd43d37af7d623eb97eb414ad926371083f7aadc
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SSDEEP
6144:bloZM+9EB1/SqctonEPfCqAu0+prdmK13Up7a6rhgj8e1m5l:5oZQdSqcwvu0+prdmK13Up7a6rhQM
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral3/memory/4540-0-0x0000021B949F0000-0x0000021B94A30000-memory.dmp family_umbral -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 4540 l0xmdpqk.ylw.bin.exe Token: SeIncreaseQuotaPrivilege 3764 wmic.exe Token: SeSecurityPrivilege 3764 wmic.exe Token: SeTakeOwnershipPrivilege 3764 wmic.exe Token: SeLoadDriverPrivilege 3764 wmic.exe Token: SeSystemProfilePrivilege 3764 wmic.exe Token: SeSystemtimePrivilege 3764 wmic.exe Token: SeProfSingleProcessPrivilege 3764 wmic.exe Token: SeIncBasePriorityPrivilege 3764 wmic.exe Token: SeCreatePagefilePrivilege 3764 wmic.exe Token: SeBackupPrivilege 3764 wmic.exe Token: SeRestorePrivilege 3764 wmic.exe Token: SeShutdownPrivilege 3764 wmic.exe Token: SeDebugPrivilege 3764 wmic.exe Token: SeSystemEnvironmentPrivilege 3764 wmic.exe Token: SeRemoteShutdownPrivilege 3764 wmic.exe Token: SeUndockPrivilege 3764 wmic.exe Token: SeManageVolumePrivilege 3764 wmic.exe Token: 33 3764 wmic.exe Token: 34 3764 wmic.exe Token: 35 3764 wmic.exe Token: 36 3764 wmic.exe Token: SeIncreaseQuotaPrivilege 3764 wmic.exe Token: SeSecurityPrivilege 3764 wmic.exe Token: SeTakeOwnershipPrivilege 3764 wmic.exe Token: SeLoadDriverPrivilege 3764 wmic.exe Token: SeSystemProfilePrivilege 3764 wmic.exe Token: SeSystemtimePrivilege 3764 wmic.exe Token: SeProfSingleProcessPrivilege 3764 wmic.exe Token: SeIncBasePriorityPrivilege 3764 wmic.exe Token: SeCreatePagefilePrivilege 3764 wmic.exe Token: SeBackupPrivilege 3764 wmic.exe Token: SeRestorePrivilege 3764 wmic.exe Token: SeShutdownPrivilege 3764 wmic.exe Token: SeDebugPrivilege 3764 wmic.exe Token: SeSystemEnvironmentPrivilege 3764 wmic.exe Token: SeRemoteShutdownPrivilege 3764 wmic.exe Token: SeUndockPrivilege 3764 wmic.exe Token: SeManageVolumePrivilege 3764 wmic.exe Token: 33 3764 wmic.exe Token: 34 3764 wmic.exe Token: 35 3764 wmic.exe Token: 36 3764 wmic.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4540 wrote to memory of 3764 4540 l0xmdpqk.ylw.bin.exe 90 PID 4540 wrote to memory of 3764 4540 l0xmdpqk.ylw.bin.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\l0xmdpqk.ylw.bin.exe"C:\Users\Admin\AppData\Local\Temp\l0xmdpqk.ylw.bin.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4540 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3764
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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 --no-appcompat-clear --mojo-platform-channel-handle=4072 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:81⤵PID:1660