Analysis
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max time kernel
234s -
max time network
301s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
10-09-2024 17:19
Static task
static1
Behavioral task
behavioral1
Sample
inquiry#1523.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
inquiry#1523.exe
Resource
win10v2004-20240802-en
General
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Target
inquiry#1523.exe
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Size
82KB
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MD5
af2b325becf3f12462529b961699557a
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SHA1
88da506a656c9ba9615e4134234084bd5c6c086f
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SHA256
365b8dab76c07e3c7ea3cd4a9d683265db5210b6b9a30e9dc520f358b829d30d
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SHA512
114e5bae2cf466ae6d7ace9728cac19e738dd5aa532df07b082d42fab22b7a2f286a606a6c476d4cbbea6c8f14804e300ca0e76d634e75ba22c0a8fecc6dad96
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SSDEEP
768:v632KhVO49eYJBvmCcQw5cEpYinAMxEP:ymKP9JBvmnQG17HxE
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
jertcot.shop - Port:
587 - Username:
[email protected] - Password:
OxMHQMpgDVzU - Email To:
[email protected]
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/5520-1095-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 5044 created 3388 5044 inquiry#1523.exe 56 -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\loores = "C:\\Users\\Admin\\AppData\\Roaming\\loores.exe" inquiry#1523.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 12 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5044 set thread context of 5520 5044 inquiry#1523.exe 95 -
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 inquiry#1523.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5044 inquiry#1523.exe 5520 InstallUtil.exe 5520 InstallUtil.exe 5520 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 5044 inquiry#1523.exe Token: SeDebugPrivilege 5044 inquiry#1523.exe Token: SeDebugPrivilege 5520 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 5044 wrote to memory of 5520 5044 inquiry#1523.exe 95 PID 5044 wrote to memory of 5520 5044 inquiry#1523.exe 95 PID 5044 wrote to memory of 5520 5044 inquiry#1523.exe 95 PID 5044 wrote to memory of 5520 5044 inquiry#1523.exe 95 PID 5044 wrote to memory of 5520 5044 inquiry#1523.exe 95 PID 5044 wrote to memory of 5520 5044 inquiry#1523.exe 95 PID 5044 wrote to memory of 5520 5044 inquiry#1523.exe 95 PID 5044 wrote to memory of 5520 5044 inquiry#1523.exe 95 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3388
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C:\Users\Admin\AppData\Local\Temp\inquiry#1523.exe"C:\Users\Admin\AppData\Local\Temp\inquiry#1523.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5044
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:5520
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4384,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=4300 /prefetch:81⤵PID:5480