Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
04-11-2024 03:00
Behavioral task
behavioral1
Sample
octoware in.exe
Resource
win7-20240903-en
windows7-x64
6 signatures
150 seconds
General
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Target
octoware in.exe
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Size
230KB
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MD5
f5aff3ee2085e59f5549090cb00035e9
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SHA1
1d07fb7c1b310450774fb2b3c5b6506421c4b360
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SHA256
421b6a23785737dedb2b5f638e84445b2a9e9fa4f52fb1bcfdbfb3b254828e3a
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SHA512
05a4072f351eeae93b649c2bb1209aa295cc21a4664a3aed4cb1473351fd0777807f09940f781ccb02cf23060264102b9d893de69822246cb7b34bd7a47bcbc4
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SSDEEP
6144:9loZM0rIkd8g+EtXHkv/iD49YaHdmOhjU9va6vDbEtjXk8e1mTLi:foZDL+EP89YaHdmOhjU9va6vvUjKF
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral1/memory/2160-1-0x0000000000ED0000-0x0000000000F10000-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 6 ip-api.com -
Suspicious use of AdjustPrivilegeToken 41 IoCs
description pid Process Token: SeDebugPrivilege 2160 octoware in.exe Token: SeIncreaseQuotaPrivilege 2880 wmic.exe Token: SeSecurityPrivilege 2880 wmic.exe Token: SeTakeOwnershipPrivilege 2880 wmic.exe Token: SeLoadDriverPrivilege 2880 wmic.exe Token: SeSystemProfilePrivilege 2880 wmic.exe Token: SeSystemtimePrivilege 2880 wmic.exe Token: SeProfSingleProcessPrivilege 2880 wmic.exe Token: SeIncBasePriorityPrivilege 2880 wmic.exe Token: SeCreatePagefilePrivilege 2880 wmic.exe Token: SeBackupPrivilege 2880 wmic.exe Token: SeRestorePrivilege 2880 wmic.exe Token: SeShutdownPrivilege 2880 wmic.exe Token: SeDebugPrivilege 2880 wmic.exe Token: SeSystemEnvironmentPrivilege 2880 wmic.exe Token: SeRemoteShutdownPrivilege 2880 wmic.exe Token: SeUndockPrivilege 2880 wmic.exe Token: SeManageVolumePrivilege 2880 wmic.exe Token: 33 2880 wmic.exe Token: 34 2880 wmic.exe Token: 35 2880 wmic.exe Token: SeIncreaseQuotaPrivilege 2880 wmic.exe Token: SeSecurityPrivilege 2880 wmic.exe Token: SeTakeOwnershipPrivilege 2880 wmic.exe Token: SeLoadDriverPrivilege 2880 wmic.exe Token: SeSystemProfilePrivilege 2880 wmic.exe Token: SeSystemtimePrivilege 2880 wmic.exe Token: SeProfSingleProcessPrivilege 2880 wmic.exe Token: SeIncBasePriorityPrivilege 2880 wmic.exe Token: SeCreatePagefilePrivilege 2880 wmic.exe Token: SeBackupPrivilege 2880 wmic.exe Token: SeRestorePrivilege 2880 wmic.exe Token: SeShutdownPrivilege 2880 wmic.exe Token: SeDebugPrivilege 2880 wmic.exe Token: SeSystemEnvironmentPrivilege 2880 wmic.exe Token: SeRemoteShutdownPrivilege 2880 wmic.exe Token: SeUndockPrivilege 2880 wmic.exe Token: SeManageVolumePrivilege 2880 wmic.exe Token: 33 2880 wmic.exe Token: 34 2880 wmic.exe Token: 35 2880 wmic.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2160 wrote to memory of 2880 2160 octoware in.exe 30 PID 2160 wrote to memory of 2880 2160 octoware in.exe 30 PID 2160 wrote to memory of 2880 2160 octoware in.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\octoware in.exe"C:\Users\Admin\AppData\Local\Temp\octoware in.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2160 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2880
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