Analysis
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max time kernel
135s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
10-08-2024 01:52
Static task
static1
Behavioral task
behavioral1
Sample
e9b46bc46e9bec0632d4e5311e5f79329ddba93416479bd9a2b9d57f13e7c898.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
e9b46bc46e9bec0632d4e5311e5f79329ddba93416479bd9a2b9d57f13e7c898.exe
Resource
win10v2004-20240802-en
General
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Target
e9b46bc46e9bec0632d4e5311e5f79329ddba93416479bd9a2b9d57f13e7c898.exe
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Size
6.2MB
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MD5
dc074ad153c3355dcf323db77863b404
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SHA1
ae3cd6238550adca3a2809a302d536dce90957fa
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SHA256
e9b46bc46e9bec0632d4e5311e5f79329ddba93416479bd9a2b9d57f13e7c898
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SHA512
b9b8820540576ae9b2bf372c5ec8c7a1ea8f6db4d4547668b77e67223a45cd608e998b1b74352419e6c2265e3c7552afb43ed7bff32b611c789960868474e195
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SSDEEP
98304:ssRWMlKfFfdLLuA6quwceROHDNfjZa+SVlzVORsb98+L4Ow9fFrSfGk:ssRWMsWAe/eROH5A+S3Qs/Lm99rSe
Malware Config
Signatures
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PowerExpertNNT.lnk e9b46bc46e9bec0632d4e5311e5f79329ddba93416479bd9a2b9d57f13e7c898.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ExtreamFanV6 = "C:\\Users\\Admin\\AppData\\Local\\ExtreamFanV6\\ExtreamFanV6.exe" e9b46bc46e9bec0632d4e5311e5f79329ddba93416479bd9a2b9d57f13e7c898.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e9b46bc46e9bec0632d4e5311e5f79329ddba93416479bd9a2b9d57f13e7c898.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1668 schtasks.exe 548 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2784 e9b46bc46e9bec0632d4e5311e5f79329ddba93416479bd9a2b9d57f13e7c898.exe 2784 e9b46bc46e9bec0632d4e5311e5f79329ddba93416479bd9a2b9d57f13e7c898.exe 2784 e9b46bc46e9bec0632d4e5311e5f79329ddba93416479bd9a2b9d57f13e7c898.exe 2784 e9b46bc46e9bec0632d4e5311e5f79329ddba93416479bd9a2b9d57f13e7c898.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2784 wrote to memory of 1668 2784 e9b46bc46e9bec0632d4e5311e5f79329ddba93416479bd9a2b9d57f13e7c898.exe 90 PID 2784 wrote to memory of 1668 2784 e9b46bc46e9bec0632d4e5311e5f79329ddba93416479bd9a2b9d57f13e7c898.exe 90 PID 2784 wrote to memory of 1668 2784 e9b46bc46e9bec0632d4e5311e5f79329ddba93416479bd9a2b9d57f13e7c898.exe 90 PID 2784 wrote to memory of 548 2784 e9b46bc46e9bec0632d4e5311e5f79329ddba93416479bd9a2b9d57f13e7c898.exe 92 PID 2784 wrote to memory of 548 2784 e9b46bc46e9bec0632d4e5311e5f79329ddba93416479bd9a2b9d57f13e7c898.exe 92 PID 2784 wrote to memory of 548 2784 e9b46bc46e9bec0632d4e5311e5f79329ddba93416479bd9a2b9d57f13e7c898.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\e9b46bc46e9bec0632d4e5311e5f79329ddba93416479bd9a2b9d57f13e7c898.exe"C:\Users\Admin\AppData\Local\Temp\e9b46bc46e9bec0632d4e5311e5f79329ddba93416479bd9a2b9d57f13e7c898.exe"1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2784 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /RU "Admin" /tr "C:\ProgramData\jewkkwnf\jewkkwnf.exe" /tn "jewkkwnf HR" /sc HOURLY /rl HIGHEST2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1668
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /RU "Admin" /tr "C:\ProgramData\jewkkwnf\jewkkwnf.exe" /tn "jewkkwnf LG" /sc ONLOGON /rl HIGHEST2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:548
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
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Filesize
6.2MB
MD5dc074ad153c3355dcf323db77863b404
SHA1ae3cd6238550adca3a2809a302d536dce90957fa
SHA256e9b46bc46e9bec0632d4e5311e5f79329ddba93416479bd9a2b9d57f13e7c898
SHA512b9b8820540576ae9b2bf372c5ec8c7a1ea8f6db4d4547668b77e67223a45cd608e998b1b74352419e6c2265e3c7552afb43ed7bff32b611c789960868474e195