Analysis
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max time kernel
127s -
max time network
132s -
platform
windows10-1703_x64 -
resource
win10-20231025-en -
resource tags
arch:x64arch:x86image:win10-20231025-enlocale:en-usos:windows10-1703-x64system -
submitted
14/12/2023, 00:11
Behavioral task
behavioral1
Sample
07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.exe
Resource
win10-20231025-en
General
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Target
07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.exe
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Size
1.6MB
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MD5
515c371d3f027d65eddf2388478100e7
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SHA1
9a060d1e807a70cdc3e9ba3d35780184ba689807
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SHA256
07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db
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SHA512
382c7a276a46cf7bc7a8ee229541712df499f9ffda43d5460415ac26ac2a9f5313c0788db55f052555a54551c040cf6386972fee4c0d94350a6a0c5f475f80c3
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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 07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.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-1-5-21-2852493121-870915337-2715324265-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.exe Key opened \REGISTRY\USER\S-1-5-21-2852493121-870915337-2715324265-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.exe Key opened \REGISTRY\USER\S-1-5-21-2852493121-870915337-2715324265-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2852493121-870915337-2715324265-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" 07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.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 3 ipinfo.io 4 ipinfo.io -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI 07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.exe File opened for modification C:\Windows\System32\GroupPolicy 07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini 07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol 07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.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 208 4196 WerFault.exe 69 -
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 07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.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 4512 schtasks.exe 4536 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4196 07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.exe 4196 07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4196 wrote to memory of 4512 4196 07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.exe 72 PID 4196 wrote to memory of 4512 4196 07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.exe 72 PID 4196 wrote to memory of 4512 4196 07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.exe 72 PID 4196 wrote to memory of 4536 4196 07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.exe 74 PID 4196 wrote to memory of 4536 4196 07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.exe 74 PID 4196 wrote to memory of 4536 4196 07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.exe 74 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2852493121-870915337-2715324265-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2852493121-870915337-2715324265-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.exe"C:\Users\Admin\AppData\Local\Temp\07cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db.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:4196 -
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:4512
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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:4536
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 17282⤵
- Program crash
PID:208
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\??\c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s fhsvc1⤵PID:4356
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:4900
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.6MB
MD5515c371d3f027d65eddf2388478100e7
SHA19a060d1e807a70cdc3e9ba3d35780184ba689807
SHA25607cf715867a8e20e73c41776a193ab1e9c9fcacfca687bdd57f97598312cd7db
SHA512382c7a276a46cf7bc7a8ee229541712df499f9ffda43d5460415ac26ac2a9f5313c0788db55f052555a54551c040cf6386972fee4c0d94350a6a0c5f475f80c3
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Filesize
3KB
MD59f14d4dc77257ad67eba221c68b5e611
SHA1125ceeea56734478b15502fe412921b9c37d0490
SHA256d36af4fc5628e9ff778e7fd35f5aa6a22f6f45e644a552fd003ff049c3a0013a
SHA5123e8cc930afcf17532eda5e92c6f4a1dfced7002c97e4ef65434764d9fe4e35b9f9e92e17f926c31b3555962f855f4add2c824fea49a2561f44d7533e8591e611
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Filesize
92KB
MD55962032f5f9ef10ad7afb6c595abf5c6
SHA1fe47554bacd8ac1f3b9c249eb36c50aa0a8fd241
SHA2560a5f892414b30f17d2a99466c400da50eef364501550d1835578042b084baa1e
SHA512c4fb5d51f9b973f331a381577c7e5df57a92547d8192dfa100f41d0e1f5c1075dc04709372f7de929d433ac2a2b8c432c876744a41718b2005fc3453d2260f8e