Analysis
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max time kernel
147s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17-12-2024 12:34
Static task
static1
Behavioral task
behavioral1
Sample
cf28af37882fea56145883bee9a128cb31b51c07d449b49e3071499b5f6f70ea.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cf28af37882fea56145883bee9a128cb31b51c07d449b49e3071499b5f6f70ea.exe
Resource
win10v2004-20241007-en
General
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Target
cf28af37882fea56145883bee9a128cb31b51c07d449b49e3071499b5f6f70ea.exe
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Size
898KB
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MD5
d206d2d4cc4961ace139ac7eb8c4f305
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SHA1
72555790ce99624754007f0de9f8757fa4c4f488
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SHA256
cf28af37882fea56145883bee9a128cb31b51c07d449b49e3071499b5f6f70ea
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SHA512
599da72384d2799fa6d33f3dddd621373af0cbe956f99b811c42d6be1dfe16be4bb4c183640b40384b9aabae4f793ba4fd6d1f46c6ef22c24db4d91baad960f1
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SSDEEP
24576:IX22+VsNxAe/3jvPyC2LqE3l8Et2F2Yuri:a2exAOyTv3uEtUW
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot6675043108:AAG0v6eQpiK2_ep_3f58hzP5driBZyvUyRM/sendMessage?chat_id=6651300320
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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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 msiexec.exe Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msiexec.exe Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msiexec.exe -
Blocklisted process makes network request 8 IoCs
flow pid Process 23 4044 msiexec.exe 25 4044 msiexec.exe 27 4044 msiexec.exe 29 4044 msiexec.exe 33 4044 msiexec.exe 36 4044 msiexec.exe 38 4044 msiexec.exe 44 4044 msiexec.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 22 drive.google.com 23 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 35 checkip.dyndns.org -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 4044 msiexec.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3920 powershell.exe 4044 msiexec.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\huzzah.lnk cf28af37882fea56145883bee9a128cb31b51c07d449b49e3071499b5f6f70ea.exe -
pid Process 3920 powershell.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 cf28af37882fea56145883bee9a128cb31b51c07d449b49e3071499b5f6f70ea.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 11 IoCs
pid Process 3920 powershell.exe 3920 powershell.exe 3920 powershell.exe 3920 powershell.exe 3920 powershell.exe 3920 powershell.exe 3920 powershell.exe 3920 powershell.exe 3920 powershell.exe 4044 msiexec.exe 4044 msiexec.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3920 powershell.exe -
Suspicious use of AdjustPrivilegeToken 23 IoCs
description pid Process Token: SeDebugPrivilege 3920 powershell.exe Token: SeIncreaseQuotaPrivilege 3920 powershell.exe Token: SeSecurityPrivilege 3920 powershell.exe Token: SeTakeOwnershipPrivilege 3920 powershell.exe Token: SeLoadDriverPrivilege 3920 powershell.exe Token: SeSystemProfilePrivilege 3920 powershell.exe Token: SeSystemtimePrivilege 3920 powershell.exe Token: SeProfSingleProcessPrivilege 3920 powershell.exe Token: SeIncBasePriorityPrivilege 3920 powershell.exe Token: SeCreatePagefilePrivilege 3920 powershell.exe Token: SeBackupPrivilege 3920 powershell.exe Token: SeRestorePrivilege 3920 powershell.exe Token: SeShutdownPrivilege 3920 powershell.exe Token: SeDebugPrivilege 3920 powershell.exe Token: SeSystemEnvironmentPrivilege 3920 powershell.exe Token: SeRemoteShutdownPrivilege 3920 powershell.exe Token: SeUndockPrivilege 3920 powershell.exe Token: SeManageVolumePrivilege 3920 powershell.exe Token: 33 3920 powershell.exe Token: 34 3920 powershell.exe Token: 35 3920 powershell.exe Token: 36 3920 powershell.exe Token: SeDebugPrivilege 4044 msiexec.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1736 wrote to memory of 3920 1736 cf28af37882fea56145883bee9a128cb31b51c07d449b49e3071499b5f6f70ea.exe 84 PID 1736 wrote to memory of 3920 1736 cf28af37882fea56145883bee9a128cb31b51c07d449b49e3071499b5f6f70ea.exe 84 PID 1736 wrote to memory of 3920 1736 cf28af37882fea56145883bee9a128cb31b51c07d449b49e3071499b5f6f70ea.exe 84 PID 3920 wrote to memory of 4044 3920 powershell.exe 91 PID 3920 wrote to memory of 4044 3920 powershell.exe 91 PID 3920 wrote to memory of 4044 3920 powershell.exe 91 PID 3920 wrote to memory of 4044 3920 powershell.exe 91 -
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 msiexec.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 msiexec.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cf28af37882fea56145883bee9a128cb31b51c07d449b49e3071499b5f6f70ea.exe"C:\Users\Admin\AppData\Local\Temp\cf28af37882fea56145883bee9a128cb31b51c07d449b49e3071499b5f6f70ea.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -windowstyle minimized "$Chromoleucite=Get-Content -Raw 'C:\Users\Admin\AppData\Roaming\interpellant\stimulere\Chemosis\Latin\Ectomeric252.Cui';$Syncranteric=$Chromoleucite.SubString(71126,3);.$Syncranteric($Chromoleucite)"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3920 -
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:4044
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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
311KB
MD500116a8867133361d82dab78efd3dd11
SHA10b1b99e68b4cfe645efd572c0a5349300c66b97d
SHA256ab17986ba2e44d3ba81c4292d61faeb45c3ce115b0add9cc31bab90894008f70
SHA512e3066613e90b922e12727c3b8a6de75f3f9fabeeba6383154409b3309fdc7aaba287b9042b4c3c6a200f9ac9c1b7d880db347793035b387a7196e386f29a78cb
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Filesize
69KB
MD52d96096979c54a49a5c74afe1655419d
SHA14926ca53389f5d7a3a80cf209a09836816b93630
SHA2566d67cda6f0974488147c1c37a76afa0699ad1c1dba4acabc2ec4caba4ebc8c9e
SHA51265567f063dc5cb5956dab8050f547e6cd9f186b262aa3392d867370cfa806bdccc4301dfb1268f278a23986b9beda8377886e18606735bd6bc7f319f5378d26d