Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2024 07:12
Static task
static1
Behavioral task
behavioral1
Sample
MB268382625AE.pdf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
MB268382625AE.pdf.exe
Resource
win10v2004-20241007-en
General
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Target
MB268382625AE.pdf.exe
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Size
739KB
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MD5
17e2b9c140aff9e3922ecba5a9f61372
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SHA1
9d5fc910c29d028973957bb1e4c8444213bb765e
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SHA256
feb88db931480ec059519f47eabc2f1e1365e08e8e412c62efb1e6683cd38565
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SHA512
2d15847f0418c52b4163cd338c5b51bafc12e98da7fad897dbffc7d6ad5b35ed5c616539fde439cf1cd42cd18902da28af4a4f9e7da8c990dd7147d105489e62
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SSDEEP
12288:52sv+SGjpA3yKUUo6aoIi5xFV60+Q3/gVOpD4G1c0icP6A9ONDJFc7TMVCfCvzCf:52xjy95xvH+Q3mcD4GB3CDJqhKLCnYnk
Malware Config
Extracted
snakekeylogger
Protocol: ftp- Host:
ftp://cpanel2-nl.thcservers.com/ - Port:
21 - Username:
[email protected] - Password:
Uvob2G1Tc73ZCus02X
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/3428-24-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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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 4316 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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation MB268382625AE.pdf.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-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MB268382625AE.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MB268382625AE.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MB268382625AE.pdf.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 18 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4520 set thread context of 3428 4520 MB268382625AE.pdf.exe 95 -
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 4 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 MB268382625AE.pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MB268382625AE.pdf.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3880 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4520 MB268382625AE.pdf.exe 4520 MB268382625AE.pdf.exe 4316 powershell.exe 4520 MB268382625AE.pdf.exe 4520 MB268382625AE.pdf.exe 4316 powershell.exe 3428 MB268382625AE.pdf.exe 3428 MB268382625AE.pdf.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4316 powershell.exe Token: SeDebugPrivilege 4520 MB268382625AE.pdf.exe Token: SeDebugPrivilege 3428 MB268382625AE.pdf.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4520 wrote to memory of 4316 4520 MB268382625AE.pdf.exe 89 PID 4520 wrote to memory of 4316 4520 MB268382625AE.pdf.exe 89 PID 4520 wrote to memory of 4316 4520 MB268382625AE.pdf.exe 89 PID 4520 wrote to memory of 3880 4520 MB268382625AE.pdf.exe 91 PID 4520 wrote to memory of 3880 4520 MB268382625AE.pdf.exe 91 PID 4520 wrote to memory of 3880 4520 MB268382625AE.pdf.exe 91 PID 4520 wrote to memory of 4648 4520 MB268382625AE.pdf.exe 93 PID 4520 wrote to memory of 4648 4520 MB268382625AE.pdf.exe 93 PID 4520 wrote to memory of 4648 4520 MB268382625AE.pdf.exe 93 PID 4520 wrote to memory of 1696 4520 MB268382625AE.pdf.exe 94 PID 4520 wrote to memory of 1696 4520 MB268382625AE.pdf.exe 94 PID 4520 wrote to memory of 1696 4520 MB268382625AE.pdf.exe 94 PID 4520 wrote to memory of 3428 4520 MB268382625AE.pdf.exe 95 PID 4520 wrote to memory of 3428 4520 MB268382625AE.pdf.exe 95 PID 4520 wrote to memory of 3428 4520 MB268382625AE.pdf.exe 95 PID 4520 wrote to memory of 3428 4520 MB268382625AE.pdf.exe 95 PID 4520 wrote to memory of 3428 4520 MB268382625AE.pdf.exe 95 PID 4520 wrote to memory of 3428 4520 MB268382625AE.pdf.exe 95 PID 4520 wrote to memory of 3428 4520 MB268382625AE.pdf.exe 95 PID 4520 wrote to memory of 3428 4520 MB268382625AE.pdf.exe 95 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MB268382625AE.pdf.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MB268382625AE.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\MB268382625AE.pdf.exe"C:\Users\Admin\AppData\Local\Temp\MB268382625AE.pdf.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:4520 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DgSLpOOJmrZjXK.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4316
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DgSLpOOJmrZjXK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF5AA.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3880
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C:\Users\Admin\AppData\Local\Temp\MB268382625AE.pdf.exe"C:\Users\Admin\AppData\Local\Temp\MB268382625AE.pdf.exe"2⤵PID:4648
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C:\Users\Admin\AppData\Local\Temp\MB268382625AE.pdf.exe"C:\Users\Admin\AppData\Local\Temp\MB268382625AE.pdf.exe"2⤵PID:1696
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C:\Users\Admin\AppData\Local\Temp\MB268382625AE.pdf.exe"C:\Users\Admin\AppData\Local\Temp\MB268382625AE.pdf.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:3428
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD550d6f888e1dc2bff38b89c9ae36ff10d
SHA1f8c8d3efcaa53e857ccb97416008a7ddceb0c144
SHA256c745f3d74db8c8025241fb8bb3eee17ee0dc9baeef9ee076ce69e4603af0bf72
SHA5127fbc9ffcc5753839fce743b067b25a97e5029b509c474e0bea41e621bd1e9af0050fca55df9fee7fe7e0681400259796f746738b6387ccdb58b7bb1526fcf4be