Analysis
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max time kernel
146s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
13/12/2023, 23:55
Behavioral task
behavioral1
Sample
2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe
Resource
win10v2004-20231127-en
General
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Target
2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe
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Size
1.6MB
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MD5
ff2f366a3c766a686a9ae5a74982252a
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SHA1
cfa3e40713600842e9092ee8499ca33defc8d3ad
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SHA256
2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a
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SHA512
5eeba1d359ce2cacde4a00524260d3aae5f42854c4f76537635e9ed27a8c6fcf16bcd34982ad3cf9665f0e19f6dd58c043ecd42a13bad1480f25a4a00e02c6e1
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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 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.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-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe Key opened \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe Key opened \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.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 22 ipinfo.io 23 ipinfo.io -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe File opened for modification C:\Windows\System32\GroupPolicy 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.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 3780 2524 WerFault.exe 84 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.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 3460 schtasks.exe 1972 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2524 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe 2524 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2524 wrote to memory of 3460 2524 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe 86 PID 2524 wrote to memory of 3460 2524 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe 86 PID 2524 wrote to memory of 3460 2524 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe 86 PID 2524 wrote to memory of 1972 2524 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe 90 PID 2524 wrote to memory of 1972 2524 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe 90 PID 2524 wrote to memory of 1972 2524 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe 90 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe"C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.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:2524 -
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:3460
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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:1972
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 17242⤵
- Program crash
PID:3780
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:1984
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:1924
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2524 -ip 25241⤵PID:1772
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.6MB
MD5ff2f366a3c766a686a9ae5a74982252a
SHA1cfa3e40713600842e9092ee8499ca33defc8d3ad
SHA2562d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a
SHA5125eeba1d359ce2cacde4a00524260d3aae5f42854c4f76537635e9ed27a8c6fcf16bcd34982ad3cf9665f0e19f6dd58c043ecd42a13bad1480f25a4a00e02c6e1
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Filesize
3KB
MD597fc12629b16b251ed8c29f0230bd4cb
SHA142ead08f52742000420701c5951292172bc4c2d1
SHA256cd5a6db92599c69cf826dd4dfad8271c6eadf71a512f003b942c3beddaa43e91
SHA51201daa3d7c58940148f5aa55a272c16aaa3b2a32b811d43be1dabdcab6fdf6230f2a5920cdad8cba1bc3c00c2cb299be84735052ffdfe95219f1000d347f86075
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Filesize
92KB
MD5250f6cee6a8be4a85cd0d78b8f9ac854
SHA148a5be711abe88c0efb7204f6c792e67a99d390a
SHA25621e090219937792f360789c94785cf969cf22fb9e2ae145dec419dc4beab1321
SHA5124685c2cbc34566879e5c494f1433996ce9541e048a87036876d0ec426a02a13af6ed606575306522def4dd19a3fcc34b95335f492b21960b28e8f12be82a35b7
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Filesize
116KB
MD5f70aa3fa04f0536280f872ad17973c3d
SHA150a7b889329a92de1b272d0ecf5fce87395d3123
SHA2568d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
SHA51230675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84