Analysis
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max time kernel
147s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
13/12/2023, 23:30
Behavioral task
behavioral1
Sample
0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe
Resource
win10v2004-20231130-en
General
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Target
0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe
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Size
1.6MB
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MD5
56d08936cfd3d3c2fdb5d24a165c87e7
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SHA1
1654184d443d21efc04c3e7a60838ec4d279c2e8
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SHA256
0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f
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SHA512
c3258df5f98c5c6a92840891d6f4c2ab2607ceded29bf1cba1f7d9df403a67881b60b184331860e32cf705d76cf337d65670bbb8e9e3e9ecde50d845e638e8d1
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SSDEEP
49152:80ceOGgUYYEmluRKYoFh4kGWusbQnIyDi1E1uonTKi/OjCCNG:1XOGgUYC4RKXFhrusbaDkE1u
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\FANBooster131.lnk 0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3936660601-1848837011-2142350499-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe Key opened \REGISTRY\USER\S-1-5-21-3936660601-1848837011-2142350499-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe Key opened \REGISTRY\USER\S-1-5-21-3936660601-1848837011-2142350499-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3936660601-1848837011-2142350499-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" 0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 23 ipinfo.io 24 ipinfo.io -
Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol 0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI 0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe File opened for modification C:\Windows\System32\GroupPolicy 0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini 0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 1520 4864 WerFault.exe 88 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2436 schtasks.exe 516 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4864 0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe 4864 0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeManageVolumePrivilege 4552 svchost.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4864 wrote to memory of 516 4864 0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe 89 PID 4864 wrote to memory of 516 4864 0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe 89 PID 4864 wrote to memory of 516 4864 0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe 89 PID 4864 wrote to memory of 2436 4864 0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe 92 PID 4864 wrote to memory of 2436 4864 0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe 92 PID 4864 wrote to memory of 2436 4864 0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe 92 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3936660601-1848837011-2142350499-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3936660601-1848837011-2142350499-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe"C:\Users\Admin\AppData\Local\Temp\0e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f.exe"1⤵
- Drops startup file
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Drops file in System32 directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4864 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST2⤵
- Creates scheduled task(s)
PID:516
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST2⤵
- Creates scheduled task(s)
PID:2436
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4864 -s 17522⤵
- Program crash
PID:1520
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:892
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:1788
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4864 -ip 48641⤵PID:4988
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵PID:884
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4552
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.6MB
MD556d08936cfd3d3c2fdb5d24a165c87e7
SHA11654184d443d21efc04c3e7a60838ec4d279c2e8
SHA2560e97a095501eb6e3c86f8b864cdede05ee9ded792901a36b11ecc8a41e86ef2f
SHA512c3258df5f98c5c6a92840891d6f4c2ab2607ceded29bf1cba1f7d9df403a67881b60b184331860e32cf705d76cf337d65670bbb8e9e3e9ecde50d845e638e8d1
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Filesize
16KB
MD5c26efa09d8c2eb4b1e14fcfd47c1193d
SHA11ee0e1f6b0c69f3592fcb7685dc8564226f66b62
SHA256588b9bda9d44f95fe11649add60b5cb979236da916f493f318ed978ca733454f
SHA51234e4788139d3d13ea2238b9036e2ebf9b81eef03c1b377332329e226e2b9b4ea5e3fa894e4378a988d3927318fced755aab50ce40b6c30081b84f29c1e8ca40e
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Filesize
3KB
MD5bca037b1425966251924073b85d36c01
SHA18959c45bd078bb507d776079cf39b2b50cac8bb5
SHA256383688885a43b5ff737693b6ee594ac974223ac42c500bbc83d803abf49a453d
SHA51229ee3eff048063c4f468b890ce11823e72cd8a6d15de20f902e0694236f2f4467ef85fb22b23fbaa166cdaae92a371a95cf45bf19c34f33bbcab45367ac2dfd8
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Filesize
92KB
MD59ee081ca0d9c3cd479031e1ff265961b
SHA1a2bfa65a2ddcd529a134ea08efd6965bcd0e5665
SHA2562a260265cd76d10c19658a7db48e7f328aba6df399e28e2e73642d5904dd73b4
SHA5126b9f28e80628042205df78d5393ba53ff9866ee25d92500a806055333f0fe3a93cb1516754b617c42a342d2852cb4f2cd37c849dbfd19bedb71aef5e642c33e6
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Filesize
116KB
MD5f70aa3fa04f0536280f872ad17973c3d
SHA150a7b889329a92de1b272d0ecf5fce87395d3123
SHA2568d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
SHA51230675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84