Analysis
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max time kernel
47s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25-01-2024 05:59
Behavioral task
behavioral1
Sample
ZCCT.xlsx.exe
Resource
win7-20231215-en
windows7-x64
4 signatures
60 seconds
General
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Target
ZCCT.xlsx.exe
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Size
287KB
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MD5
828ec9e9d1fd89c29c09523f4553cf5b
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SHA1
c07d1c3695bde351f14cf610e6237877b02d5cec
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SHA256
d3492c1347976ac6e6cef64371d97351ec97ad8bac67d14d4be42bff471dc064
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SHA512
16d89e6c48e2d25598ad203a9b2810d514a72e0c5daf2aa9af45b556691161d427c73653158cd75b00698fb8dffde728fa643c1102b9f8fb181aa5f47120e1ee
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SSDEEP
6144:oloZM+rIkd8g+EtXHkv/iD4bTdZ1P8e1mFRAi/:2oZtL+EP8bT9K
Malware Config
Signatures
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Detect Umbral payload 2 IoCs
resource yara_rule behavioral1/memory/2440-0-0x0000000000930000-0x000000000097E000-memory.dmp family_umbral behavioral1/memory/2440-2-0x000000001B160000-0x000000001B1E0000-memory.dmp family_umbral -
Suspicious use of AdjustPrivilegeToken 41 IoCs
description pid Process Token: SeDebugPrivilege 2440 ZCCT.xlsx.exe Token: SeIncreaseQuotaPrivilege 2744 wmic.exe Token: SeSecurityPrivilege 2744 wmic.exe Token: SeTakeOwnershipPrivilege 2744 wmic.exe Token: SeLoadDriverPrivilege 2744 wmic.exe Token: SeSystemProfilePrivilege 2744 wmic.exe Token: SeSystemtimePrivilege 2744 wmic.exe Token: SeProfSingleProcessPrivilege 2744 wmic.exe Token: SeIncBasePriorityPrivilege 2744 wmic.exe Token: SeCreatePagefilePrivilege 2744 wmic.exe Token: SeBackupPrivilege 2744 wmic.exe Token: SeRestorePrivilege 2744 wmic.exe Token: SeShutdownPrivilege 2744 wmic.exe Token: SeDebugPrivilege 2744 wmic.exe Token: SeSystemEnvironmentPrivilege 2744 wmic.exe Token: SeRemoteShutdownPrivilege 2744 wmic.exe Token: SeUndockPrivilege 2744 wmic.exe Token: SeManageVolumePrivilege 2744 wmic.exe Token: 33 2744 wmic.exe Token: 34 2744 wmic.exe Token: 35 2744 wmic.exe Token: SeIncreaseQuotaPrivilege 2744 wmic.exe Token: SeSecurityPrivilege 2744 wmic.exe Token: SeTakeOwnershipPrivilege 2744 wmic.exe Token: SeLoadDriverPrivilege 2744 wmic.exe Token: SeSystemProfilePrivilege 2744 wmic.exe Token: SeSystemtimePrivilege 2744 wmic.exe Token: SeProfSingleProcessPrivilege 2744 wmic.exe Token: SeIncBasePriorityPrivilege 2744 wmic.exe Token: SeCreatePagefilePrivilege 2744 wmic.exe Token: SeBackupPrivilege 2744 wmic.exe Token: SeRestorePrivilege 2744 wmic.exe Token: SeShutdownPrivilege 2744 wmic.exe Token: SeDebugPrivilege 2744 wmic.exe Token: SeSystemEnvironmentPrivilege 2744 wmic.exe Token: SeRemoteShutdownPrivilege 2744 wmic.exe Token: SeUndockPrivilege 2744 wmic.exe Token: SeManageVolumePrivilege 2744 wmic.exe Token: 33 2744 wmic.exe Token: 34 2744 wmic.exe Token: 35 2744 wmic.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2440 wrote to memory of 2744 2440 ZCCT.xlsx.exe 28 PID 2440 wrote to memory of 2744 2440 ZCCT.xlsx.exe 28 PID 2440 wrote to memory of 2744 2440 ZCCT.xlsx.exe 28