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Analysis
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max time kernel
149s -
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
11/09/2024, 13:20
Static task
static1
Behavioral task
behavioral1
Sample
Payment Receipt 00000762511.pdf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Payment Receipt 00000762511.pdf.exe
Resource
win10v2004-20240802-en
General
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Target
Payment Receipt 00000762511.pdf.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/4560-11-0x0000000000400000-0x0000000000426000-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 2516 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 Payment Receipt 00000762511.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 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\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment Receipt 00000762511.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment Receipt 00000762511.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment Receipt 00000762511.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 17 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3540 set thread context of 4560 3540 Payment Receipt 00000762511.pdf.exe 93 -
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 Payment Receipt 00000762511.pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Payment Receipt 00000762511.pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3540 Payment Receipt 00000762511.pdf.exe 3540 Payment Receipt 00000762511.pdf.exe 4560 Payment Receipt 00000762511.pdf.exe 2516 powershell.exe 2516 powershell.exe 4560 Payment Receipt 00000762511.pdf.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3540 Payment Receipt 00000762511.pdf.exe Token: SeDebugPrivilege 4560 Payment Receipt 00000762511.pdf.exe Token: SeDebugPrivilege 2516 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3540 wrote to memory of 2516 3540 Payment Receipt 00000762511.pdf.exe 91 PID 3540 wrote to memory of 2516 3540 Payment Receipt 00000762511.pdf.exe 91 PID 3540 wrote to memory of 2516 3540 Payment Receipt 00000762511.pdf.exe 91 PID 3540 wrote to memory of 4560 3540 Payment Receipt 00000762511.pdf.exe 93 PID 3540 wrote to memory of 4560 3540 Payment Receipt 00000762511.pdf.exe 93 PID 3540 wrote to memory of 4560 3540 Payment Receipt 00000762511.pdf.exe 93 PID 3540 wrote to memory of 4560 3540 Payment Receipt 00000762511.pdf.exe 93 PID 3540 wrote to memory of 4560 3540 Payment Receipt 00000762511.pdf.exe 93 PID 3540 wrote to memory of 4560 3540 Payment Receipt 00000762511.pdf.exe 93 PID 3540 wrote to memory of 4560 3540 Payment Receipt 00000762511.pdf.exe 93 PID 3540 wrote to memory of 4560 3540 Payment Receipt 00000762511.pdf.exe 93 -
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 Payment Receipt 00000762511.pdf.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 Payment Receipt 00000762511.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment Receipt 00000762511.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Payment Receipt 00000762511.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:3540 -
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\Payment Receipt 00000762511.pdf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2516
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C:\Users\Admin\AppData\Local\Temp\Payment Receipt 00000762511.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Payment Receipt 00000762511.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:4560
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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