Analysis
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max time kernel
145s -
max time network
147s -
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, 23:24
Static task
static1
Behavioral task
behavioral1
Sample
f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe
Resource
win10v2004-20231130-en
General
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Target
f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe
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Size
2.1MB
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MD5
368c9fbd3aec463fd59084866e2816f6
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SHA1
818c2acc43874ad107e06f9b7e7076554d1d3767
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SHA256
f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba
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SHA512
d7fb4df7e8cd5ea228518ab351b73e87b5d2df3253efcde154b055162cb6e0397210131b096257cffe8d688fb5c782fb976e0343c76f4e25cd4709b114f603da
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SSDEEP
49152:8u+HeVg053zpblZJxR6sWKodAJD90LtSpfHCLrGX5:8u+HmtpFHlIGt90LtSpfHWrG
Malware Config
Extracted
risepro
193.233.132.51
Signatures
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PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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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 f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.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-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe Key opened \REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe Key opened \REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.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 28 ipinfo.io 29 ipinfo.io -
Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe File opened for modification C:\Windows\System32\GroupPolicy f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1344 f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe 1344 f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.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 844 1344 WerFault.exe 86 -
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 f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.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 4292 schtasks.exe 1620 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1344 f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe 1344 f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeManageVolumePrivilege 3308 svchost.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1344 f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1344 wrote to memory of 4292 1344 f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe 89 PID 1344 wrote to memory of 4292 1344 f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe 89 PID 1344 wrote to memory of 4292 1344 f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe 89 PID 1344 wrote to memory of 1620 1344 f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe 93 PID 1344 wrote to memory of 1620 1344 f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe 93 PID 1344 wrote to memory of 1620 1344 f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe 93 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe"C:\Users\Admin\AppData\Local\Temp\f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba.exe"1⤵
- Drops startup file
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1344 -
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:4292
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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:1620
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 16522⤵
- Program crash
PID:844
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:3608
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:3612
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1344 -ip 13441⤵PID:4152
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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:264
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3308
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.1MB
MD5368c9fbd3aec463fd59084866e2816f6
SHA1818c2acc43874ad107e06f9b7e7076554d1d3767
SHA256f40ac318f32ed7bfe8b2270e6b791118673ac5ba16e63e64ad043e814c2cccba
SHA512d7fb4df7e8cd5ea228518ab351b73e87b5d2df3253efcde154b055162cb6e0397210131b096257cffe8d688fb5c782fb976e0343c76f4e25cd4709b114f603da
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Filesize
16KB
MD5cbd0b7398b818155f171a9b80a5a4af1
SHA1f2964cc1050643f7d9710b82e5dca68ac38f19f0
SHA256bec9ecc245ffdb3eb228aa8c09ea9b379c0008d02447ac28c5af3bba8d6673cf
SHA5127c58b03624c2fd5689506569faa34439f6b6401208365edfa90c67f5453a2f0c625ea75480694c6f6518abd0746f6b259ff9ccbe78cf6f6577b519e34be06516
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Filesize
3KB
MD5cc01650366465678cf00be152db04eb1
SHA16438d4495d83c93e9b1862cd655a9eab145d1226
SHA256152fede12051a99d5b86a7df7cbeb0d736705f81df832f2fb86f4fbd06e7f348
SHA5123b45a899b0c3c24007617e0f1580bc66c20848c86fe92b94ffb707b6b9eda176cd3a65e1cfb7759204c3790928327c2393ebd3e9e4a36b30f92bc0a33d2a944b
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Filesize
92KB
MD55bca7f96843d97e2c39afbb8b5f9865b
SHA1e64666a5d705a768e2351621577a386400111251
SHA256e25c46923271e687a972edfcf511d7685c24ce2e509a5b10d0ba4cd6f2bfeab2
SHA51240771d495b407c0ede8ad3e5d8e77cf588a607426f0597f0c10a81ec7b2614f28a66a1c5ff36bf8bf6905bdc6b537d8cc5a749725adfc57f72ec3c9ee17f76d3
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Filesize
116KB
MD5f70aa3fa04f0536280f872ad17973c3d
SHA150a7b889329a92de1b272d0ecf5fce87395d3123
SHA2568d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
SHA51230675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84