Analysis
- max time kernel
149s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 22:24
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c241d491c69fd45e4e1f05cfb3087adabcf196666496465e9ebba2b96b38f07c.exe
Resource
win10v2004-20260513-en
17 signatures
150 seconds
Behavioral task
behavioral2
Sample
c241d491c69fd45e4e1f05cfb3087adabcf196666496465e9ebba2b96b38f07c.exe
Resource
win11ltsc2024-20260709-en
15 signatures
150 seconds
General
- Target c241d491c69fd45e4e1f05cfb3087adabcf196666496465e9ebba2b96b38f07c.exe
- Size 6.7MB
- Sample260804-2bc64sfj3v
- SHA256 c241d491c69fd45e4e1f05cfb3087adabcf196666496465e9ebba2b96b38f07c
- MD5 be5ec4ad0375b32d990425b824541dac
- SHA1 46c0c8736be2c8c490658b89e80e207570d1d8ba
- SHA512 7c378482639b59e089707430eb01e68cec89ef2e9c5e8adeef26b58d9d95b29a1f73c08dceffb19695354336e223579bd7e24023a2735adb3e07041b39d73b9f
- SSDEEP 98304:69vOJd3nbqgOZrS/dsZf/X4UuDpXjusNCHwNep5/yRMejo3Obt9Bw9g:n5nbqg8elwf/Bu1jusNLNep5/yRMw
- TLSH T14B662323B6C5C0F1E95D1A3018761B76DE74BA414A2086E397E4FE397D373E2DA3601A
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- UAC bypass 3 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" rdClient.exe - Deletes itself 1 IoCs
pid Process 4372 WScript.exe - Executes dropped EXE 2 IoCs
pid Process 2008 rdService.exe 1452 rdClient.exe - Drops file in System32 directory 10 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\30069012ED3CF5DB92F9F4FC78D55E2D_87238437CEFCADF00F1385E31A888EF4 rdClient.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\4A96CC62C00FEA3DDB8AB25852385FFA rdClient.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache rdClient.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData rdClient.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\4E4160FB650E5091C535216313A4ECD3_C47ED8EE7F5A9F96A4CA5A4E077920F9 rdClient.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content rdClient.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\4E4160FB650E5091C535216313A4ECD3_C47ED8EE7F5A9F96A4CA5A4E077920F9 rdClient.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\30069012ED3CF5DB92F9F4FC78D55E2D_87238437CEFCADF00F1385E31A888EF4 rdClient.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\4A96CC62C00FEA3DDB8AB25852385FFA rdClient.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft rdClient.exe - Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
pid Process 4372 WScript.exe -
resource yara_rule behavioral2/memory/4656-2-0x0000000010000000-0x00000000100BE000-memory.dmp upx behavioral2/memory/4656-5-0x0000000010000000-0x00000000100BE000-memory.dmp upx behavioral2/memory/4656-8-0x0000000010000000-0x00000000100BE000-memory.dmp upx behavioral2/memory/4656-4-0x0000000010000000-0x00000000100BE000-memory.dmp upx behavioral2/memory/4656-18-0x0000000010000000-0x00000000100BE000-memory.dmp upx behavioral2/memory/4656-22-0x0000000010000000-0x00000000100BE000-memory.dmp upx behavioral2/memory/4656-30-0x0000000010000000-0x00000000100BE000-memory.dmp upx behavioral2/memory/4656-32-0x0000000010000000-0x00000000100BE000-memory.dmp upx - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 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 WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c241d491c69fd45e4e1f05cfb3087adabcf196666496465e9ebba2b96b38f07c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rdService.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rdClient.exe - Modifies data under HKEY_USERS 49 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPublisher rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPublisher\Certificates rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPublisher\CTLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPublisher\CRLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPublisher\CRLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPublisher\CTLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPublisher rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPublisher\Certificates rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates rdClient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs rdClient.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3611646547-550105268-947503007-1000_Classes\Local Settings c241d491c69fd45e4e1f05cfb3087adabcf196666496465e9ebba2b96b38f07c.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 1452 rdClient.exe 1452 rdClient.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe 2008 rdService.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2008 rdService.exe Token: SeDebugPrivilege 2008 rdService.exe Token: SeDebugPrivilege 1452 rdClient.exe - Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4656 c241d491c69fd45e4e1f05cfb3087adabcf196666496465e9ebba2b96b38f07c.exe 4656 c241d491c69fd45e4e1f05cfb3087adabcf196666496465e9ebba2b96b38f07c.exe 1452 rdClient.exe 1452 rdClient.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2008 wrote to memory of 1452 2008 rdService.exe 91 PID 4656 wrote to memory of 4372 4656 c241d491c69fd45e4e1f05cfb3087adabcf196666496465e9ebba2b96b38f07c.exe 92 - System policy modification 1 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System rdClient.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" rdClient.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\c241d491c69fd45e4e1f05cfb3087adabcf196666496465e9ebba2b96b38f07c.exe"C:\Users\Admin\AppData\Local\Temp\c241d491c69fd45e4e1f05cfb3087adabcf196666496465e9ebba2b96b38f07c.exe"1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4656 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\tem.vbs"2⤵
- Deletes itself
- Executes a VBScript file via the Windows Script Host.
- System Location Discovery: System Language Discovery
PID:4372
-
-
C:\Users\Admin\AppData\Roaming\rdclientpro\rdService.exeC:\Users\Admin\AppData\Roaming\rdclientpro\rdService.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2008 -
C:\Users\Admin\AppData\Roaming\rdclientpro\rdClient.exeC:\Users\Admin\AppData\Roaming\rdclientpro\rdClient.exe quiet2⤵
- UAC bypass
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:1452
-
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\34468f9518168b48faaf4fead0a4bc55_18f79f94-98f8-457b-be7d-163f818d8416
- Size 50B
- SHA256 3ae12537c0d07c9325b9048abbc947dfce6d10350a475eae3199784a0c336bcb
- MD5 9055b605ea066d97dfb3fcf4f80d68f0
- SHA1 96d7ca41a0a047fe865fca1c844e1b010aab505c
- SHA512 62be005645799a918b9e6d32be93a62117a15f1be5ad81dd0285afb1bf66033df6ab81de689a77cf2603c64a2f37324f697da7f20b7a88a7fedc7beae87bbac3
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tem.vbs
- Size 275B
- SHA256 d4958d21ca5864a8d24fbaaba86955317cc5edea48b36ddce4e5146e11be5886
- MD5 480577bcc6fb0be429952e2d81d8c5a2
- SHA1 1b91c03fdfc326c6162f49fc0c8dbfa050fed452
- SHA512 456a41cf96d9ef1cb7d4f4b068520b6c62246a81958bd0faa20aeb45fa2a4bb5c819a09c8316e55f154e4be132d2567303af81a0c761475e6628c855f40a6040
- TLSH T193D02BA6DF83C12C043A88035437840EF07458087F91A724B581C9C86A83774BE86B8E
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\rdclientpro\cfg.ini
- Size 100B
- SHA256 0a42185a4ac85331e96290918358bc634ea2a12f89843fe99028c207e0285061
- MD5 c4350910fcf8eba6d27213226fc8e5c3
- SHA1 3a7e3cc22be2904d7496d8b8c0dad35fb28fa7df
- SHA512 6c89b607215e1d0cd7886d9e47d9cd04878b068a21cf2a428889e63b7ae5da023859ceceecb69689468b3350027ef582263751d7ed58504939f88cece5a41381
- TLSH T163B0122FD3D4CA61548D6117933BE01C9F888C780D2E55368D7014B42E7DC98072C511
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\rdclientpro\cfg.ini
- Size 171B
- SHA256 fe986d5c45569bff4f38251d8a3edd5feb1397048354f28311ebe729c0141952
- MD5 19e676a619f43fb598b3473b1934b965
- SHA1 0de11edb81b0de241ffc2b4ec8612b0ad60b10ed
- SHA512 289e0753472160f80e03d9515845c32db7e02a6fa31c8c7158014cf68af364a68967272588512e6ced245d899691e5fb66d1f81dd361825a0a4026bbd602f5a5
- TLSH T19DC0C03D8EC441601449183B667E700CEB000CE5060D107EC83212B03F7CDD0070D000
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\rdclientpro\host.dat
- Size 130B
- SHA256 f79478d9cbc145d684c3719a5034a794c133a814e8d651668b5e385ae2e4a415
- MD5 f3d34ce98bddc6a773e5ef2836c79ba8
- SHA1 13f21de16d1b07ad7a1249f9b3c5b877f9a1732a
- SHA512 441ea53a7e421958a1ddae6a7b5c6316862233db57b5829c51f208faf1452be7ec0921fc36b7c160e26b12a638602170beb268cb45a866015110fe1ecb76ae30
- TLSH T11AC02B155410D095CBC42718C90CBC5104910D3C42C00D8805841752422CE05009304D
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\rdclientpro\rdClient.exe
- Size 13.9MB
- SHA256 5bea7f348d4ff47afb4abbb06909b894434d4df83318780da23bbe49bc0fb233
- MD5 122c481e44221fefd34c808ff679b1ba
- SHA1 d002ac7ca106776410881727705618c7e2a6e6f6
- SHA512 7f6d2ad71d0caa2cbcce915283fee74c56e38a75d04d989dfb4032edcbd763a88f663df7ecd021fa311dc67267c2a7a7c1cd9c9ed93a7e2b37729553bf428773
- SSDEEP 196608:adkzWu3D5fHvGDYXtAUEhry3idpjMUFd3mptq9:ayzW+D5fHuD6ghr5XgdpG
- TLSH T138E69E07B680A03BD4672A3A982BD3D0283BBE316A15CD573BB8BD4C6F356417D29747
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\rdclientpro\rdService.exe
- Size 2.5MB
- SHA256 7ed2a077a1ce34fcb182e5135ae75ad7bd96207c3204c9f343095f967bfa109f
- MD5 db3d3a7f82f0c7afb258a98c50a66a36
- SHA1 8cc26bec161dc58472e848c427310ae396520f88
- SHA512 73b54dc39fbb512054168ad59acaf00b2177138091869f6df46a8fa24b98e977092617cc89d32cad5690f8e930715352003adde7d3a0ac9a1c9fcb942f62471e
- SSDEEP 24576:dEGJjsQPX8V/vLGUFAyzEVSg1F2+kkROf4pY7DH7cpFVBqSRg/lIhu/WST5V2tSw:Ts8Xi3LdFb0MR7uVASC/rWSrU3
- TLSH T127C55B23B2D9653ED06B173A5827B6145C3BB7A13A2A9C0797F4084C9F296C13E3B747
- MD5 SHA1 SHA512 SSDEEP TLSH