Analysis
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max time kernel
122s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-12-2024 08:25
Static task
static1
Behavioral task
behavioral1
Sample
d75592cbb9d3ba728f0b27ad6218152c.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d75592cbb9d3ba728f0b27ad6218152c.exe
Resource
win10v2004-20241007-en
General
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Target
d75592cbb9d3ba728f0b27ad6218152c.exe
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Size
576KB
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MD5
d75592cbb9d3ba728f0b27ad6218152c
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SHA1
549930cb2a9dc576c4f831793d8e29957d070551
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SHA256
c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c
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SHA512
346fb36f74267d137173cb1e8838742fe1e595d29e7200f93943949c4331c0eb142f07cfc0a74874a697621603e4c62e78396865ae5da9c5f0f7c3bbda431e25
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SSDEEP
12288:wPG/+BUGJFwnne07Eke5eFGT1gWOlMNTaQzzYW8eQeoEbkR:faUUwnne0fe5e01gWBNTRcW8eQeoE+
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.dap.vn - Port:
587 - Username:
[email protected] - Password:
KhAnh110886 - 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/3336-23-0x0000000000400000-0x0000000000426000-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 1020 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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation d75592cbb9d3ba728f0b27ad6218152c.exe -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.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 4528 set thread context of 3336 4528 d75592cbb9d3ba728f0b27ad6218152c.exe 101 -
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 d75592cbb9d3ba728f0b27ad6218152c.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 vbc.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 4448 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4528 d75592cbb9d3ba728f0b27ad6218152c.exe 1020 powershell.exe 4528 d75592cbb9d3ba728f0b27ad6218152c.exe 1020 powershell.exe 3336 vbc.exe 3336 vbc.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4528 d75592cbb9d3ba728f0b27ad6218152c.exe Token: SeDebugPrivilege 1020 powershell.exe Token: SeDebugPrivilege 3336 vbc.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 4528 wrote to memory of 1020 4528 d75592cbb9d3ba728f0b27ad6218152c.exe 97 PID 4528 wrote to memory of 1020 4528 d75592cbb9d3ba728f0b27ad6218152c.exe 97 PID 4528 wrote to memory of 1020 4528 d75592cbb9d3ba728f0b27ad6218152c.exe 97 PID 4528 wrote to memory of 4448 4528 d75592cbb9d3ba728f0b27ad6218152c.exe 99 PID 4528 wrote to memory of 4448 4528 d75592cbb9d3ba728f0b27ad6218152c.exe 99 PID 4528 wrote to memory of 4448 4528 d75592cbb9d3ba728f0b27ad6218152c.exe 99 PID 4528 wrote to memory of 3336 4528 d75592cbb9d3ba728f0b27ad6218152c.exe 101 PID 4528 wrote to memory of 3336 4528 d75592cbb9d3ba728f0b27ad6218152c.exe 101 PID 4528 wrote to memory of 3336 4528 d75592cbb9d3ba728f0b27ad6218152c.exe 101 PID 4528 wrote to memory of 3336 4528 d75592cbb9d3ba728f0b27ad6218152c.exe 101 PID 4528 wrote to memory of 3336 4528 d75592cbb9d3ba728f0b27ad6218152c.exe 101 PID 4528 wrote to memory of 3336 4528 d75592cbb9d3ba728f0b27ad6218152c.exe 101 PID 4528 wrote to memory of 3336 4528 d75592cbb9d3ba728f0b27ad6218152c.exe 101 PID 4528 wrote to memory of 3336 4528 d75592cbb9d3ba728f0b27ad6218152c.exe 101 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d75592cbb9d3ba728f0b27ad6218152c.exe"C:\Users\Admin\AppData\Local\Temp\d75592cbb9d3ba728f0b27ad6218152c.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:4528 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YlGewDdvEIy.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1020
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YlGewDdvEIy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC515.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4448
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.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:3336
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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
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Filesize
1KB
MD52dd7a6aeb8e66dabb7c064b146a3d68a
SHA1b1498e6a79b774b7b425ec159eb3f82952ed0799
SHA25627dbbd3284f095158fd70735f4dcb0763678a53758c8ee7666e4898e2b3e3c0c
SHA5120c49bf51e8170a58d8ef8ab1651f093a365a96822ea06daae7e9cc6d1184d11b790db5abe087e95d539747a7eeda53c65644526cb854132c1ce0e421406f4b16