Analysis
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max time kernel
146s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17-01-2025 01:54
Static task
static1
Behavioral task
behavioral1
Sample
Documt736098.vbe
Resource
win7-20240903-en
General
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Target
Documt736098.vbe
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Size
9KB
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MD5
8113e63e2ba4ac63a4621b2d9441524d
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SHA1
05b433f2cfb14f9d1ec947e32a496c45a2cfa22a
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SHA256
d5d3a7f4ca9b374465da72f550cc5a04e751c6a4ed18ab917a304318a9b4409b
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SHA512
730e21b73e6320146c53dd9092246578a476b24efb6dbcd902e905df05039274cd2adf76293e54e1d9a3cb01e88d3800db867597bbffd979ecfea5729d4d62d9
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SSDEEP
192:egjmLPbnOqiR2jutyT8vPka6hfuIMynp9KAvPxK:tjcPbg2+yT8HkaTTqp0AvQ
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
162.254.34.31 - Port:
587 - Username:
[email protected] - Password:
M992uew1mw6Z - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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Blocklisted process makes network request 1 IoCs
flow pid Process 1 4524 WScript.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation WScript.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 41 api.ipify.org 42 api.ipify.org -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\System32\%AppData%\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\Windows PowerShell.lnk powershell.exe File opened for modification C:\Windows\System32\%AppData%\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\Windows PowerShell.lnk powershell.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1884 set thread context of 2272 1884 powershell.exe 106 -
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 1 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 MSBuild.exe -
Checks processor information in registry 2 TTPs 6 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString wermgr.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 wermgr.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz wermgr.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString wermgr.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 wermgr.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz wermgr.exe -
Enumerates system info in registry 2 TTPs 4 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS wermgr.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU wermgr.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS wermgr.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU wermgr.exe -
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 1 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 364 vlc.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 1884 powershell.exe 1884 powershell.exe 2672 powershell.exe 2672 powershell.exe 2672 powershell.exe 1884 powershell.exe 1884 powershell.exe 2272 MSBuild.exe 2272 MSBuild.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 364 vlc.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1884 powershell.exe Token: SeDebugPrivilege 2672 powershell.exe Token: SeDebugPrivilege 2272 MSBuild.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 364 vlc.exe 364 vlc.exe 364 vlc.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 364 vlc.exe 364 vlc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 364 vlc.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2988 wrote to memory of 1884 2988 WScript.exe 93 PID 2988 wrote to memory of 1884 2988 WScript.exe 93 PID 2988 wrote to memory of 2672 2988 WScript.exe 103 PID 2988 wrote to memory of 2672 2988 WScript.exe 103 PID 1884 wrote to memory of 2272 1884 powershell.exe 106 PID 1884 wrote to memory of 2272 1884 powershell.exe 106 PID 1884 wrote to memory of 2272 1884 powershell.exe 106 PID 1884 wrote to memory of 2272 1884 powershell.exe 106 PID 1884 wrote to memory of 2272 1884 powershell.exe 106 PID 1884 wrote to memory of 2272 1884 powershell.exe 106 PID 1884 wrote to memory of 2272 1884 powershell.exe 106 PID 1884 wrote to memory of 2272 1884 powershell.exe 106 PID 1884 wrote to memory of 4600 1884 powershell.exe 108 PID 1884 wrote to memory of 4600 1884 powershell.exe 108 PID 2672 wrote to memory of 3760 2672 powershell.exe 109 PID 2672 wrote to memory of 3760 2672 powershell.exe 109 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Documt736098.vbe"1⤵
- Blocklisted process makes network request
PID:4524
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C:\Windows\System32\WScript.exeC:\Windows\System32\WScript.exe "C:\Users\Admin\AppData\Roaming\TJtBPNdaqSLLBQi.vbs"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2988 -
C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"2⤵
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2272
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C:\Windows\system32\wermgr.exe"C:\Windows\system32\wermgr.exe" "-outproc" "0" "1884" "2704" "2644" "2708" "0" "0" "2712" "0" "0" "0" "0" "0"3⤵
- Checks processor information in registry
- Enumerates system info in registry
PID:4600
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C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"2⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2672 -
C:\Windows\system32\wermgr.exe"C:\Windows\system32\wermgr.exe" "-outproc" "0" "2672" "2688" "2616" "2692" "0" "0" "2696" "0" "0" "0" "0" "0"3⤵
- Checks processor information in registry
- Enumerates system info in registry
PID:3760
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C:\Program Files\VideoLAN\VLC\vlc.exe"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\StartEnable.mov"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:364
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
53KB
MD5a26df49623eff12a70a93f649776dab7
SHA1efb53bd0df3ac34bd119adf8788127ad57e53803
SHA2564ebde1c12625cb55034d47e5169f709b0bd02a8caa76b5b9854efad7f4710245
SHA512e5f9b8645fb2a50763fcbffe877ca03e9cadf099fe2d510b74bfa9ff18d0a6563d11160e00f495eeefebde63450d0ade8d6b6a824e68bd8a59e1971dc842709c
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize6KB
MD516ca70feff74d9c47bb82ea09b85415b
SHA1333cbb45d9e0be61ea5803b601ecbe7efd45087d
SHA256be83024a13f5d97f77120160b1aace1be7027eb4b016ee1b8ca172a19ec33525
SHA512f37c85f37e34c92bb4d96128f47c47b31c0ddab00a7c19528a4c12c265023c18ae932ba79b31dd54c9e94b47b3fba8c2192458648135c8402c2b50e49ac36fae
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize6KB
MD58bc0d5f0880f5570914495f9b4b53e33
SHA11dd151b9a815a9617dc95607e7c657b09c26c0d6
SHA256b01c966f300de1bfef95a9ef6518ec8fb55cbdbe02e2b7ef7f55c8cc32d6560c
SHA51266496846c8d3e59d0067c7ffa554ee06eded9eac8baec5be38b931c3fd3c2f68ea7eb9167a9a178301c9c191d923fa6d72520ea24d8d59508a13125c926b8350
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Filesize
2KB
MD578fdde7d507d9d64ddd3808c52231caa
SHA1cd989a13a2f92c404ddd56f9b9126e529b091f74
SHA2560c26896cb8ca3eaa7e009abac4eff302f5a8fd312f987a2d802bdf4d67c0fd0a
SHA512d77b609a544ee038e2673201d756b2a8f486a288ca0df10d1161f1516982405a7ed075c84b16d4f3ff1bde7a8ee21797e51df6e576e7ea0b85ae9835f534321a