Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25-09-2024 13:24
Static task
static1
Behavioral task
behavioral1
Sample
Teklifformu_Ekinoks LS 1087251 04-00000152.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Teklifformu_Ekinoks LS 1087251 04-00000152.exe
Resource
win10v2004-20240802-en
General
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Target
Teklifformu_Ekinoks LS 1087251 04-00000152.exe
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Size
545KB
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MD5
752c58548ee76d6732517c7d9f829df8
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SHA1
2f17dd9ff173034bc12621c0b35a5b2128b30ad7
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SHA256
1c9a030db393a1bba1b147b39f3a612e2babe9594b406449d40cdcaf374d32cd
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SHA512
0061e07587eb8b2d3ee468bfb08bcc46087ff18621f758467d89965ea2a0441a990132be32d35161b4f6ed2e067354361b2034653079059fad765dcc53260c7e
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SSDEEP
12288:lrt8bQbCqT7OqsqehMWPdQ+ToC7F4CgPo5a4:UIXqqYhM4dFoSgw5a4
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/4284-11-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
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 2636 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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation Teklifformu_Ekinoks LS 1087251 04-00000152.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 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Teklifformu_Ekinoks LS 1087251 04-00000152.exe Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Teklifformu_Ekinoks LS 1087251 04-00000152.exe Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Teklifformu_Ekinoks LS 1087251 04-00000152.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 20 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3588 set thread context of 4284 3588 Teklifformu_Ekinoks LS 1087251 04-00000152.exe 88 -
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 3 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 Teklifformu_Ekinoks LS 1087251 04-00000152.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Teklifformu_Ekinoks LS 1087251 04-00000152.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3588 Teklifformu_Ekinoks LS 1087251 04-00000152.exe 3588 Teklifformu_Ekinoks LS 1087251 04-00000152.exe 4284 Teklifformu_Ekinoks LS 1087251 04-00000152.exe 2636 powershell.exe 2636 powershell.exe 4284 Teklifformu_Ekinoks LS 1087251 04-00000152.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 4284 Teklifformu_Ekinoks LS 1087251 04-00000152.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3588 Teklifformu_Ekinoks LS 1087251 04-00000152.exe Token: SeDebugPrivilege 4284 Teklifformu_Ekinoks LS 1087251 04-00000152.exe Token: SeDebugPrivilege 2636 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3588 wrote to memory of 2636 3588 Teklifformu_Ekinoks LS 1087251 04-00000152.exe 86 PID 3588 wrote to memory of 2636 3588 Teklifformu_Ekinoks LS 1087251 04-00000152.exe 86 PID 3588 wrote to memory of 2636 3588 Teklifformu_Ekinoks LS 1087251 04-00000152.exe 86 PID 3588 wrote to memory of 4284 3588 Teklifformu_Ekinoks LS 1087251 04-00000152.exe 88 PID 3588 wrote to memory of 4284 3588 Teklifformu_Ekinoks LS 1087251 04-00000152.exe 88 PID 3588 wrote to memory of 4284 3588 Teklifformu_Ekinoks LS 1087251 04-00000152.exe 88 PID 3588 wrote to memory of 4284 3588 Teklifformu_Ekinoks LS 1087251 04-00000152.exe 88 PID 3588 wrote to memory of 4284 3588 Teklifformu_Ekinoks LS 1087251 04-00000152.exe 88 PID 3588 wrote to memory of 4284 3588 Teklifformu_Ekinoks LS 1087251 04-00000152.exe 88 PID 3588 wrote to memory of 4284 3588 Teklifformu_Ekinoks LS 1087251 04-00000152.exe 88 PID 3588 wrote to memory of 4284 3588 Teklifformu_Ekinoks LS 1087251 04-00000152.exe 88 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Teklifformu_Ekinoks LS 1087251 04-00000152.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Teklifformu_Ekinoks LS 1087251 04-00000152.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Teklifformu_Ekinoks LS 1087251 04-00000152.exe"C:\Users\Admin\AppData\Local\Temp\Teklifformu_Ekinoks LS 1087251 04-00000152.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:3588 -
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\Teklifformu_Ekinoks LS 1087251 04-00000152.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2636
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C:\Users\Admin\AppData\Local\Temp\Teklifformu_Ekinoks LS 1087251 04-00000152.exe"C:\Users\Admin\AppData\Local\Temp\Teklifformu_Ekinoks LS 1087251 04-00000152.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4284
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82