Analysis
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max time kernel
209s -
max time network
212s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-ja -
resource tags
arch:x64arch:x86image:win10v2004-20241007-jalocale:ja-jpos:windows10-2004-x64systemwindows -
submitted
16-10-2024 00:18
Static task
static1
Behavioral task
behavioral1
Sample
お見積り依頼.exe
Resource
win10-20240611-ja
Behavioral task
behavioral2
Sample
お見積り依頼.exe
Resource
win10v2004-20241007-ja
General
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Target
お見積り依頼.exe
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Size
497KB
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MD5
5fb84fe04e1573be79533791aeaa9d34
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SHA1
df0f6db5d0bba16265f2210fce28d6b5c5c704cb
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SHA256
07544f90f1d6b64b394f2a1c8a8ab2283c8ac87eac9ea3128cc4e2af83c8e920
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SHA512
488075a3bc63b005a117726c4859743154cc0d75f0e57927e8eccf9e8ca929b68d1fd3fff5f2cd24f19afc4f05e9e934b683e00b83aa63ae4317db2a58f40f76
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SSDEEP
12288:FfUSZtmY7Q+JJxCq9MXWRZVk9BEe7v4joiZ6kD4o:FnbxzJxCq9MGNk9EUicm4
Malware Config
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/4776-12-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4724 powershell.exe 1652 powershell.exe 3692 powershell.exe -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation お見積り依頼.exe Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation お見積り依頼.exe Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation お見積り依頼.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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 お見積り依頼.exe Key opened \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 お見積り依頼.exe Key opened \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 お見積り依頼.exe Key opened \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 お見積り依頼.exe Key opened \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 お見積り依頼.exe Key opened \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 お見積り依頼.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 27 checkip.dyndns.org 74 checkip.dyndns.org 79 checkip.dyndns.org -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\taskschd.msc mmc.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2552 set thread context of 4776 2552 お見積り依頼.exe 99 PID 904 set thread context of 3696 904 お見積り依頼.exe 131 PID 3988 set thread context of 2156 3988 お見積り依頼.exe 135 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 9 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 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe 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 お見積り依頼.exe 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 お見積り依頼.exe -
Suspicious behavior: EnumeratesProcesses 21 IoCs
pid Process 2552 お見積り依頼.exe 2552 お見積り依頼.exe 2552 お見積り依頼.exe 2552 お見積り依頼.exe 4776 お見積り依頼.exe 4724 powershell.exe 4724 powershell.exe 4776 お見積り依頼.exe 904 お見積り依頼.exe 904 お見積り依頼.exe 904 お見積り依頼.exe 904 お見積り依頼.exe 3696 お見積り依頼.exe 1652 powershell.exe 1652 powershell.exe 3696 お見積り依頼.exe 3988 お見積り依頼.exe 3988 お見積り依頼.exe 2156 お見積り依頼.exe 3692 powershell.exe 3692 powershell.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1992 mmc.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2552 お見積り依頼.exe Token: SeDebugPrivilege 4776 お見積り依頼.exe Token: SeDebugPrivilege 4724 powershell.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe Token: SeIncBasePriorityPrivilege 1992 mmc.exe Token: 33 1992 mmc.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1992 mmc.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1992 mmc.exe 1992 mmc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 2552 wrote to memory of 4724 2552 お見積り依頼.exe 96 PID 2552 wrote to memory of 4724 2552 お見積り依頼.exe 96 PID 2552 wrote to memory of 4724 2552 お見積り依頼.exe 96 PID 2552 wrote to memory of 1496 2552 お見積り依頼.exe 98 PID 2552 wrote to memory of 1496 2552 お見積り依頼.exe 98 PID 2552 wrote to memory of 1496 2552 お見積り依頼.exe 98 PID 2552 wrote to memory of 4776 2552 お見積り依頼.exe 99 PID 2552 wrote to memory of 4776 2552 お見積り依頼.exe 99 PID 2552 wrote to memory of 4776 2552 お見積り依頼.exe 99 PID 2552 wrote to memory of 4776 2552 お見積り依頼.exe 99 PID 2552 wrote to memory of 4776 2552 お見積り依頼.exe 99 PID 2552 wrote to memory of 4776 2552 お見積り依頼.exe 99 PID 2552 wrote to memory of 4776 2552 お見積り依頼.exe 99 PID 2552 wrote to memory of 4776 2552 お見積り依頼.exe 99 PID 904 wrote to memory of 1652 904 お見積り依頼.exe 128 PID 904 wrote to memory of 1652 904 お見積り依頼.exe 128 PID 904 wrote to memory of 1652 904 お見積り依頼.exe 128 PID 904 wrote to memory of 2740 904 お見積り依頼.exe 130 PID 904 wrote to memory of 2740 904 お見積り依頼.exe 130 PID 904 wrote to memory of 2740 904 お見積り依頼.exe 130 PID 904 wrote to memory of 3696 904 お見積り依頼.exe 131 PID 904 wrote to memory of 3696 904 お見積り依頼.exe 131 PID 904 wrote to memory of 3696 904 お見積り依頼.exe 131 PID 904 wrote to memory of 3696 904 お見積り依頼.exe 131 PID 904 wrote to memory of 3696 904 お見積り依頼.exe 131 PID 904 wrote to memory of 3696 904 お見積り依頼.exe 131 PID 904 wrote to memory of 3696 904 お見積り依頼.exe 131 PID 904 wrote to memory of 3696 904 お見積り依頼.exe 131 PID 3988 wrote to memory of 3692 3988 お見積り依頼.exe 133 PID 3988 wrote to memory of 3692 3988 お見積り依頼.exe 133 PID 3988 wrote to memory of 3692 3988 お見積り依頼.exe 133 PID 3988 wrote to memory of 2156 3988 お見積り依頼.exe 135 PID 3988 wrote to memory of 2156 3988 お見積り依頼.exe 135 PID 3988 wrote to memory of 2156 3988 お見積り依頼.exe 135 PID 3988 wrote to memory of 2156 3988 お見積り依頼.exe 135 PID 3988 wrote to memory of 2156 3988 お見積り依頼.exe 135 PID 3988 wrote to memory of 2156 3988 お見積り依頼.exe 135 PID 3988 wrote to memory of 2156 3988 お見積り依頼.exe 135 PID 3988 wrote to memory of 2156 3988 お見積り依頼.exe 135 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 お見積り依頼.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 お見積り依頼.exe
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
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2552 -
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:4724
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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"2⤵PID:1496
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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"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4776
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C:\Windows\system32\mmc.exe"C:\Windows\system32\mmc.exe" "C:\Windows\system32\taskschd.msc" /s1⤵
- Drops file in System32 directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1992
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:112
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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
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:904 -
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
PID:1652
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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"2⤵PID:2740
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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"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
PID:3696
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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
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3988 -
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
PID:3692
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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"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2156
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
18KB
MD55c5252b072dcbe22812589cba933f29f
SHA1cc3ede2404cfb15798b65e25d505558518ed8979
SHA2568dbc305474bf98ba7c2bb86ddc5b600db0838a22c7fb672c5f4373eaf71734eb
SHA512f4d82158537c6bb77607dd7da18d77d7fff6873f208ead3b208c55b5b4cef48ba3be24ecf467f86bfde378c038df3b0ff6baebe9712de6e19af5a5e23112a65f
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Filesize
18KB
MD57dd63c9468b9599fbefc382c05aca017
SHA15db3f8234c8e7eb3c6a95edea9839565b017d5e4
SHA256e7dabab09e415635f40d7da3a5155c8dcceea6e69d62370443366e946fa3af98
SHA51203b05ba7ddc80a78ebd3b716f88e56943a116bfb5b5d57de689df8a535112b8c92b5aae645cd88ca76a1ec2c3ffd57407f2afb5bb3ec19ab1b2e53d61845e023
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82