Analysis
- max time kernel
127s - max time network
133s - platform
windows10-1703_x64 - resource
win10-20231023-en - resource tags
arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system - submitted
13/12/2023, 23:02
Behavioral task
behavioral1
Sample
15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.exe
Resource
win10-20231023-en
16 signatures
150 seconds
General
- Target 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.exe
- Size 1.6MB
- Sample231213-21f93aaaam
- SHA256 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62
- MD5 dccee87bc79ad1cf76816c60ee601bf0
- SHA1 85e852d867f839f9258b9ccac263fb5644130022
- SHA512 4aef07154790690185da19ec9a8404652870f7dcb691d72d940fdbd92f5a320cb8d6ec3faff96cc6d5a3e2f5ebdcd81f1286ae48f1335091aec799407dab47e1
- SSDEEP 49152:80ceOGgUYYEmluRKYoFh4kGWusbQnIyDi1E1uonTKi/OjCCNG:1XOGgUYC4RKXFhrusbaDkE1u
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.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.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-946614337-2046421199-3397417319-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.exe Key opened \REGISTRY\USER\S-1-5-21-946614337-2046421199-3397417319-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.exe Key opened \REGISTRY\USER\S-1-5-21-946614337-2046421199-3397417319-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-946614337-2046421199-3397417319-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- 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 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
pid pid_target Process procid_target 5060 4492 WerFault.exe 70 - 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 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.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 96 schtasks.exe 2992 schtasks.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4492 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.exe 4492 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4492 wrote to memory of 96 4492 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.exe 71 PID 4492 wrote to memory of 96 4492 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.exe 71 PID 4492 wrote to memory of 96 4492 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.exe 71 PID 4492 wrote to memory of 2992 4492 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.exe 75 PID 4492 wrote to memory of 2992 4492 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.exe 75 PID 4492 wrote to memory of 2992 4492 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.exe 75 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-946614337-2046421199-3397417319-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-946614337-2046421199-3397417319-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.exe"C:\Users\Admin\AppData\Local\Temp\15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62.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:4492 -
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:96
-
-
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:2992
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 17082⤵
- Program crash
PID:5060
-
-
\??\c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s fhsvc1⤵PID:3712
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:3320
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe
- Size 1.6MB
- SHA256 15e7d4de4f9eb17953d673407c6feca9df0852fb9baea17307a24bb0822d6b62
- MD5 dccee87bc79ad1cf76816c60ee601bf0
- SHA1 85e852d867f839f9258b9ccac263fb5644130022
- SHA512 4aef07154790690185da19ec9a8404652870f7dcb691d72d940fdbd92f5a320cb8d6ec3faff96cc6d5a3e2f5ebdcd81f1286ae48f1335091aec799407dab47e1
- SSDEEP 49152:80ceOGgUYYEmluRKYoFh4kGWusbQnIyDi1E1uonTKi/OjCCNG:1XOGgUYC4RKXFhrusbaDkE1u
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\grandUIATIfNl8GSaP1Gc\information.txt
- Size 3KB
- SHA256 7ec8f7e5afdb24e7cda7c7b374dc720b2c2933f81f69b19594cb0905d724df9d
- MD5 71e0d7bcdee10b79a5d4c5fa1e070945
- SHA1 adff4d3e0aac87f177db4547ff36dfeeefe92cea
- SHA512 d162314058f0209203a0f0fff9c81b93b494d8822984bb84017d5820feab273eb892e5cfe60e0fc11f3bd3ce15c42dff3004b6d6f1fd5c768d8ac8b2494aad8c
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\posterBoxTIfNl8GSaP1Gc\QdX9ITDLyCRBWeb Data
- Size 92KB
- SHA256 6d9706346ebea4d1cdb447635404e8a662bc2f40bc6d829b45d50aeedeeaffaa
- MD5 674e2655c91200908ca7eea977ffc25b
- SHA1 0ff0e11d5933cf382d7381edbc6f216d97a2e181
- SHA512 304ad62ea8746a6dd086687bbd9d22031c2a731d0d7809ebffaaa6649ee16a9bc89e2dc17eb360dc81309fde5a797bd9398928708d63c08cc7d4e51c2f959642
- SSDEEP 192:dtxbavrNdl9bH9CxbGsTjOnaVh6is6/JVum3:/Ravrbl9D9pnaVh6lMJVum3
- MD5 SHA1 SHA512 SSDEEP