Analysis
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max time kernel
148s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
01-06-2023 19:18
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230220-en
General
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Target
file.exe
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Size
336KB
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MD5
7f5fd6228a8d8edf2c88d1b34cb8c847
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SHA1
408049adf245bcad778add0903c6803a4d691d3f
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SHA256
2869fbcf083c03c7cd55e45661f6df089fdf169b1719d5052a52e2e386bf3a6d
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SHA512
4ec90147cdace22b9a14d776fe28837994689553aeef682597a4e218a44ca68a0227131987ed28f6458ca6ba478f2e1f39785f99c98154a301a5affb37a755ab
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SSDEEP
6144:DT9zpYsT9/xBDwYQJkaLVo/DtBI6C39gMGHQuwDBOknXcMbE+:DYsZ/bxQJDVODtBtOgOuYO8Xb
Malware Config
Extracted
asyncrat
Venom RAT + HVNC + Stealer + Grabber v6.0.1
Default
vrmctetyuyojxzjvffl
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delay
1
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install
false
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install_folder
%AppData%
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pastebin_config
https://pastebin.com/raw/WD485ntt
Signatures
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Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe -
Processes:
svchost.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0" svchost.exe -
Async RAT payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1108-146-0x0000000000400000-0x0000000000418000-memory.dmp asyncrat -
Sets service image path in registry 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\TaskKill\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\Иисус.sys" svchost.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
file.exesvchost.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation file.exe Key value queried \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
svchost.exepid process 1768 svchost.exe -
Processes:
svchost.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths svchost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0" svchost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
file.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\"" file.exe -
Processes:
svchost.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
svchost.exedescription pid process target process PID 1768 set thread context of 1108 1768 svchost.exe jsc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 2276 timeout.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
file.exesvchost.exepowershell.exejsc.exepid process 2116 file.exe 2116 file.exe 2116 file.exe 2116 file.exe 2116 file.exe 2116 file.exe 2116 file.exe 2116 file.exe 2116 file.exe 2116 file.exe 2116 file.exe 2116 file.exe 2116 file.exe 2116 file.exe 2116 file.exe 2116 file.exe 2116 file.exe 2116 file.exe 2116 file.exe 2116 file.exe 2116 file.exe 2116 file.exe 2116 file.exe 2116 file.exe 2116 file.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 1768 svchost.exe 4548 powershell.exe 4548 powershell.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe 1108 jsc.exe -
Suspicious behavior: LoadsDriver 1 IoCs
Processes:
svchost.exepid process 1768 svchost.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
file.exesvchost.exepowershell.exejsc.exedescription pid process Token: SeDebugPrivilege 2116 file.exe Token: SeDebugPrivilege 1768 svchost.exe Token: SeDebugPrivilege 1768 svchost.exe Token: SeLoadDriverPrivilege 1768 svchost.exe Token: SeDebugPrivilege 4548 powershell.exe Token: SeDebugPrivilege 1108 jsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
jsc.exepid process 1108 jsc.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
file.execmd.execmd.exesvchost.exedescription pid process target process PID 2116 wrote to memory of 4012 2116 file.exe cmd.exe PID 2116 wrote to memory of 4012 2116 file.exe cmd.exe PID 2116 wrote to memory of 3996 2116 file.exe cmd.exe PID 2116 wrote to memory of 3996 2116 file.exe cmd.exe PID 4012 wrote to memory of 4304 4012 cmd.exe schtasks.exe PID 4012 wrote to memory of 4304 4012 cmd.exe schtasks.exe PID 3996 wrote to memory of 2276 3996 cmd.exe timeout.exe PID 3996 wrote to memory of 2276 3996 cmd.exe timeout.exe PID 3996 wrote to memory of 1768 3996 cmd.exe svchost.exe PID 3996 wrote to memory of 1768 3996 cmd.exe svchost.exe PID 1768 wrote to memory of 4548 1768 svchost.exe powershell.exe PID 1768 wrote to memory of 4548 1768 svchost.exe powershell.exe PID 1768 wrote to memory of 4568 1768 svchost.exe MSBuild.exe PID 1768 wrote to memory of 4568 1768 svchost.exe MSBuild.exe PID 1768 wrote to memory of 2812 1768 svchost.exe cvtres.exe PID 1768 wrote to memory of 2812 1768 svchost.exe cvtres.exe PID 1768 wrote to memory of 5008 1768 svchost.exe ComSvcConfig.exe PID 1768 wrote to memory of 5008 1768 svchost.exe ComSvcConfig.exe PID 1768 wrote to memory of 1108 1768 svchost.exe jsc.exe PID 1768 wrote to memory of 1108 1768 svchost.exe jsc.exe PID 1768 wrote to memory of 1108 1768 svchost.exe jsc.exe PID 1768 wrote to memory of 1108 1768 svchost.exe jsc.exe PID 1768 wrote to memory of 1108 1768 svchost.exe jsc.exe PID 1768 wrote to memory of 1108 1768 svchost.exe jsc.exe PID 1768 wrote to memory of 1108 1768 svchost.exe jsc.exe PID 1768 wrote to memory of 1108 1768 svchost.exe jsc.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe -
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:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'3⤵
- Creates scheduled task(s)
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8997.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"3⤵
- UAC bypass
- Windows security bypass
- Sets service image path in registry
- Checks computer location settings
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\svchost.exe" -Force4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe"4⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ComSvcConfig.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ComSvcConfig.exe"4⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe"4⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3omkquoi.dj0.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\tmp8997.tmp.batFilesize
151B
MD5749e9aa1e04a23dd545afd65f1f6950e
SHA155aceebe0f166a1299b3c2ce02e2bee01f107db3
SHA256efb97fef1ca9a253348c599ac7db0d9883af05897298cd5ba2e67c22ac9168ca
SHA5127759988912123bcd5d899958dcb7863e43c572f871cb0d0fd97bd76300fd1d3389a0c07211f1729185af1cd3cd4a867bbf14d711503765afece29547cbe736f6
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C:\Users\Admin\AppData\Roaming\svchost.exeFilesize
336KB
MD57f5fd6228a8d8edf2c88d1b34cb8c847
SHA1408049adf245bcad778add0903c6803a4d691d3f
SHA2562869fbcf083c03c7cd55e45661f6df089fdf169b1719d5052a52e2e386bf3a6d
SHA5124ec90147cdace22b9a14d776fe28837994689553aeef682597a4e218a44ca68a0227131987ed28f6458ca6ba478f2e1f39785f99c98154a301a5affb37a755ab
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C:\Users\Admin\AppData\Roaming\svchost.exeFilesize
336KB
MD57f5fd6228a8d8edf2c88d1b34cb8c847
SHA1408049adf245bcad778add0903c6803a4d691d3f
SHA2562869fbcf083c03c7cd55e45661f6df089fdf169b1719d5052a52e2e386bf3a6d
SHA5124ec90147cdace22b9a14d776fe28837994689553aeef682597a4e218a44ca68a0227131987ed28f6458ca6ba478f2e1f39785f99c98154a301a5affb37a755ab
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memory/1108-146-0x0000000000400000-0x0000000000418000-memory.dmpFilesize
96KB
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memory/1108-160-0x0000000005C80000-0x0000000006224000-memory.dmpFilesize
5.6MB
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memory/1108-162-0x0000000005670000-0x0000000005680000-memory.dmpFilesize
64KB
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memory/1108-163-0x0000000005A80000-0x0000000005B12000-memory.dmpFilesize
584KB
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memory/1108-164-0x0000000006A70000-0x0000000006A7A000-memory.dmpFilesize
40KB
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memory/1108-165-0x0000000005670000-0x0000000005680000-memory.dmpFilesize
64KB
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memory/2116-133-0x0000027CD4E10000-0x0000027CD4E68000-memory.dmpFilesize
352KB
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memory/2116-134-0x0000027CEF5C0000-0x0000027CEF5D0000-memory.dmpFilesize
64KB
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memory/4548-144-0x000001970D0A0000-0x000001970D0B0000-memory.dmpFilesize
64KB
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memory/4548-145-0x000001970D0A0000-0x000001970D0B0000-memory.dmpFilesize
64KB
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memory/4548-153-0x00000197254C0000-0x00000197254E2000-memory.dmpFilesize
136KB