Analysis
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max time kernel
128s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-ja -
resource tags
arch:x64arch:x86image:win10v2004-20240802-jalocale:ja-jpos:windows10-2004-x64systemwindows -
submitted
01-10-2024 06:10
Static task
static1
Behavioral task
behavioral1
Sample
お見積り依頼.exe
Resource
win10-20240404-ja
Behavioral task
behavioral2
Sample
お見積り依頼.exe
Resource
win10v2004-20240802-ja
General
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Target
お見積り依頼.exe
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Size
617KB
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MD5
7c1e195506cf284e5b49c8b3233a17ca
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SHA1
21965a5bbbb0eb10a8943e0f0ad80f5077a87695
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SHA256
759bf48589770e15226a694e1d8ea23a58e69f5121958eb692c68d46a59a25b4
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SHA512
e785e17bee1abdc476ef3e12f76d5b77113ad318c4a0feb1f6a4f6060bf2ab0643d8af2d38c7718f83cbf60f0cbcb2b40037cccf9ef05b4d4aac62a8f551e27d
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SSDEEP
12288:B5oRpQVnipnobW7NGzGW9x252e96CjrzhnheagXJ:joUnKCqVvT8I/UJ
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/1316-12-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 5252 powershell.exe 3200 powershell.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation お見積り依頼.exe Key value queried \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\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-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 お見積り依頼.exe Key opened \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 お見積り依頼.exe Key opened \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 お見積り依頼.exe Key opened \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 お見積り依頼.exe Key opened \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 お見積り依頼.exe Key opened \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 お見積り依頼.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 17 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 2 IoCs
description pid Process procid_target PID 3692 set thread context of 1316 3692 お見積り依頼.exe 87 PID 3848 set thread context of 3208 3848 お見積り依頼.exe 113 -
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 6 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 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 お見積り依頼.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3692 お見積り依頼.exe 3692 お見積り依頼.exe 3692 お見積り依頼.exe 3692 お見積り依頼.exe 3692 お見積り依頼.exe 3692 お見積り依頼.exe 1316 お見積り依頼.exe 5252 powershell.exe 5252 powershell.exe 1316 お見積り依頼.exe 3848 お見積り依頼.exe 3848 お見積り依頼.exe 3848 お見積り依頼.exe 3848 お見積り依頼.exe 3848 お見積り依頼.exe 3848 お見積り依頼.exe 3848 お見積り依頼.exe 3848 お見積り依頼.exe 3208 お見積り依頼.exe 3200 powershell.exe 3200 powershell.exe 3208 お見積り依頼.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1056 mmc.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 3692 お見積り依頼.exe Token: SeDebugPrivilege 1316 お見積り依頼.exe Token: SeDebugPrivilege 5252 powershell.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe Token: SeIncBasePriorityPrivilege 1056 mmc.exe Token: 33 1056 mmc.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1056 mmc.exe 1056 mmc.exe -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 3692 wrote to memory of 5252 3692 お見積り依頼.exe 83 PID 3692 wrote to memory of 5252 3692 お見積り依頼.exe 83 PID 3692 wrote to memory of 5252 3692 お見積り依頼.exe 83 PID 3692 wrote to memory of 3408 3692 お見積り依頼.exe 85 PID 3692 wrote to memory of 3408 3692 お見積り依頼.exe 85 PID 3692 wrote to memory of 3408 3692 お見積り依頼.exe 85 PID 3692 wrote to memory of 2656 3692 お見積り依頼.exe 86 PID 3692 wrote to memory of 2656 3692 お見積り依頼.exe 86 PID 3692 wrote to memory of 2656 3692 お見積り依頼.exe 86 PID 3692 wrote to memory of 1316 3692 お見積り依頼.exe 87 PID 3692 wrote to memory of 1316 3692 お見積り依頼.exe 87 PID 3692 wrote to memory of 1316 3692 お見積り依頼.exe 87 PID 3692 wrote to memory of 1316 3692 お見積り依頼.exe 87 PID 3692 wrote to memory of 1316 3692 お見積り依頼.exe 87 PID 3692 wrote to memory of 1316 3692 お見積り依頼.exe 87 PID 3692 wrote to memory of 1316 3692 お見積り依頼.exe 87 PID 3692 wrote to memory of 1316 3692 お見積り依頼.exe 87 PID 3848 wrote to memory of 3200 3848 お見積り依頼.exe 108 PID 3848 wrote to memory of 3200 3848 お見積り依頼.exe 108 PID 3848 wrote to memory of 3200 3848 お見積り依頼.exe 108 PID 3848 wrote to memory of 3320 3848 お見積り依頼.exe 110 PID 3848 wrote to memory of 3320 3848 お見積り依頼.exe 110 PID 3848 wrote to memory of 3320 3848 お見積り依頼.exe 110 PID 3848 wrote to memory of 4636 3848 お見積り依頼.exe 111 PID 3848 wrote to memory of 4636 3848 お見積り依頼.exe 111 PID 3848 wrote to memory of 4636 3848 お見積り依頼.exe 111 PID 3848 wrote to memory of 2252 3848 お見積り依頼.exe 112 PID 3848 wrote to memory of 2252 3848 お見積り依頼.exe 112 PID 3848 wrote to memory of 2252 3848 お見積り依頼.exe 112 PID 3848 wrote to memory of 3208 3848 お見積り依頼.exe 113 PID 3848 wrote to memory of 3208 3848 お見積り依頼.exe 113 PID 3848 wrote to memory of 3208 3848 お見積り依頼.exe 113 PID 3848 wrote to memory of 3208 3848 お見積り依頼.exe 113 PID 3848 wrote to memory of 3208 3848 お見積り依頼.exe 113 PID 3848 wrote to memory of 3208 3848 お見積り依頼.exe 113 PID 3848 wrote to memory of 3208 3848 お見積り依頼.exe 113 PID 3848 wrote to memory of 3208 3848 お見積り依頼.exe 113 -
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-1-5-21-945322488-2060912225-3527527000-1000\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-1-5-21-945322488-2060912225-3527527000-1000\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:3692 -
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:5252
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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:3408
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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:2656
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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:1316
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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 SetWindowsHookEx
PID:1056
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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:2056
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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:3848 -
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:3200
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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:3320
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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:4636
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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:2252
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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:3208
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
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
MD5e34ef80a24b2f7ee12e5aced2ca7443e
SHA12835284bee2e58b641d06871490d0e499e1730d2
SHA2565044d58701f912837dcd8c69289e4f530baa103d9d3cb03e14366f2f7195d5fc
SHA512752e152014324a2ebc53c01c2d0afba825987a971d8ae835b4e70dc194ede5e569e9a3687605844a7601b27f08d8fcd8b361c4d6c68d2822d663667df59baae2
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82