Analysis
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max time kernel
140s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21-10-2024 03:40
Static task
static1
Behavioral task
behavioral1
Sample
お見積り依頼.exe
Resource
win7-20240729-en
General
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Target
お見積り依頼.exe
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Size
560KB
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MD5
80b56ae302fea7f0f9e00b63f7ad598b
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SHA1
6411184877abfdd8b7743c27ef94e0f257ce1f1d
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SHA256
82c8e9440da130cb3c991bfd2b98afbf11fff2be9acd3e56b3107096a11a69e6
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SHA512
b08b31671c258ad4d9be77f88e91cecc80ed5e8d0331b8cc4f3cb2af0e130a2b937d74a628d6681125d48581c6743a1d852b5a1143c66c298d54c8e88a369528
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SSDEEP
12288:/fATXkhMOoltiJVsxIojON7X4ETsCh/YvMLPVycMnt+giaS1P:Ckh5oDiJexpirB5ybt+8SB
Malware Config
Signatures
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 1500 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation お見積り依頼.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 336 4544 WerFault.exe 83 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language お見積り依頼.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4544 お見積り依頼.exe 4544 お見積り依頼.exe 4544 お見積り依頼.exe 1500 powershell.exe 1500 powershell.exe 4544 お見積り依頼.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4544 お見積り依頼.exe Token: SeDebugPrivilege 1500 powershell.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4544 wrote to memory of 1500 4544 お見積り依頼.exe 97 PID 4544 wrote to memory of 1500 4544 お見積り依頼.exe 97 PID 4544 wrote to memory of 1500 4544 お見積り依頼.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\お見積り依頼.exe"C:\Users\Admin\AppData\Local\Temp\お見積り依頼.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4544 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\お見積り依頼.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1500
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 17162⤵
- Program crash
PID:336
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4544 -ip 45441⤵PID:3524
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82