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Analysis
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max time kernel
116s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
13/09/2024, 06:18
Static task
static1
Behavioral task
behavioral1
Sample
Purchase Order 0000258691.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Purchase Order 0000258691.exe
Resource
win10v2004-20240802-en
General
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Target
Purchase Order 0000258691.exe
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Size
512KB
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MD5
973947da93027a6c61b949ab7f44f956
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SHA1
3daf77c22b19276e29137ec95b0ec90249aeb6b5
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SHA256
505741d52f89c89dc156768a0714a0e500d1ecae923de1eff6cea7b393cace78
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SHA512
35ca5d7566d7b656d3843c555311324ac3f7173a36a331e522e4886ff41dda0d7e803feb57bd617c57bcb81bdffc62971afc512bf2d49f010e968a8bb14cf3ce
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SSDEEP
12288:tt7kvCaWgLfmVJik+ZUbCPGCrtGhtu7STpJE:ttoCaWgLfwi5ZR9Ghtu7
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/4632-11-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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 4164 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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation Purchase Order 0000258691.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 2 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-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order 0000258691.exe Key opened \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order 0000258691.exe Key opened \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order 0000258691.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 21 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2728 set thread context of 4632 2728 Purchase Order 0000258691.exe 98 -
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 Purchase Order 0000258691.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Purchase Order 0000258691.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2728 Purchase Order 0000258691.exe 2728 Purchase Order 0000258691.exe 4632 Purchase Order 0000258691.exe 4164 powershell.exe 4164 powershell.exe 4632 Purchase Order 0000258691.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2728 Purchase Order 0000258691.exe Token: SeDebugPrivilege 4632 Purchase Order 0000258691.exe Token: SeDebugPrivilege 4164 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2728 wrote to memory of 4164 2728 Purchase Order 0000258691.exe 96 PID 2728 wrote to memory of 4164 2728 Purchase Order 0000258691.exe 96 PID 2728 wrote to memory of 4164 2728 Purchase Order 0000258691.exe 96 PID 2728 wrote to memory of 4632 2728 Purchase Order 0000258691.exe 98 PID 2728 wrote to memory of 4632 2728 Purchase Order 0000258691.exe 98 PID 2728 wrote to memory of 4632 2728 Purchase Order 0000258691.exe 98 PID 2728 wrote to memory of 4632 2728 Purchase Order 0000258691.exe 98 PID 2728 wrote to memory of 4632 2728 Purchase Order 0000258691.exe 98 PID 2728 wrote to memory of 4632 2728 Purchase Order 0000258691.exe 98 PID 2728 wrote to memory of 4632 2728 Purchase Order 0000258691.exe 98 PID 2728 wrote to memory of 4632 2728 Purchase Order 0000258691.exe 98 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order 0000258691.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order 0000258691.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase Order 0000258691.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order 0000258691.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:2728 -
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\Purchase Order 0000258691.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4164
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C:\Users\Admin\AppData\Local\Temp\Purchase Order 0000258691.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order 0000258691.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:4632
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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