Analysis
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max time kernel
145s -
max time network
152s -
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, 22:15
Behavioral task
behavioral1
Sample
68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.exe
Resource
win10v2004-20231127-en
General
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Target
68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.exe
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Size
1.6MB
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MD5
b991c96def9c2535aa07413e4ddede9a
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SHA1
5bb261e16b3d1c877e57742c87312fdfa25ac297
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SHA256
68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a
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SHA512
fafc373ee0f03ad8f22f8a3177a6659d66afb436c2d165e4f58d3ea9bf1aedf33aee74d7be9d345c4ebe037201d203f36ad31d5d5e70c4e74e2896d214f0e45e
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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 68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.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-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.exe Key opened \REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.exe Key opened \REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" 68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.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 68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini 68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol 68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI 68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.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 4580 2212 WerFault.exe 81 -
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 68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.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 4032 schtasks.exe 2232 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2212 68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.exe 2212 68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2212 wrote to memory of 4032 2212 68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.exe 86 PID 2212 wrote to memory of 4032 2212 68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.exe 86 PID 2212 wrote to memory of 4032 2212 68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.exe 86 PID 2212 wrote to memory of 2232 2212 68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.exe 90 PID 2212 wrote to memory of 2232 2212 68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.exe 90 PID 2212 wrote to memory of 2232 2212 68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.exe 90 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.exe"C:\Users\Admin\AppData\Local\Temp\68b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a.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:2212 -
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:4032
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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:2232
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 18082⤵
- Program crash
PID:4580
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:2760
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:1088
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2212 -ip 22121⤵PID:3752
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.6MB
MD5b991c96def9c2535aa07413e4ddede9a
SHA15bb261e16b3d1c877e57742c87312fdfa25ac297
SHA25668b90c296d7d3a9e57d7791ca1a800be26e1b8469a12e3cc6c3f68020b805e5a
SHA512fafc373ee0f03ad8f22f8a3177a6659d66afb436c2d165e4f58d3ea9bf1aedf33aee74d7be9d345c4ebe037201d203f36ad31d5d5e70c4e74e2896d214f0e45e
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Filesize
3KB
MD51fc51370c1abaaf64a06d4e1fc494dd3
SHA129b3a16fc06ac4d9a170f6f27ea5015f4b4cd036
SHA256053f8033e5549c114cd9f06575af5c33b7304e5f7e4e919324622b7238eee94f
SHA5120e0f293c24d2e37a559aa17ed28f528c3be88aa1b1e688998105eee707485373a791971c9fa8d2c8e39b6799fe1ca13750f11f44b8002c1f84d92531a10ee8cb
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Filesize
92KB
MD515b15858232eb73939154fa51070f7d9
SHA1c5d442be8afd48c12f3e10324d74c274ebad25d8
SHA256415b5d95ff3e636716deaa385106694fcc257f82be4fe831fdaed420bba50cf2
SHA5128477c2a94ecbecff9d79d3f73713d568ab29260cd51397f54939629531aa84eeaaffc742bef744da071718b597b15e8870c547cf1dfeb122686bb9e59a7dfd86
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Filesize
116KB
MD5f70aa3fa04f0536280f872ad17973c3d
SHA150a7b889329a92de1b272d0ecf5fce87395d3123
SHA2568d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
SHA51230675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84