Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/10/2026, 18:10
Static task
static1
Behavioral task
behavioral1
Sample
install.2.0.02.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
install.2.0.02.exe
Resource
win11ltsc2024-20260911-en
General
- Target install.2.0.02.exe
- Size 38.9MB
- Sample261023-wse45sty2p
- SHA256 d83052f3603f335a00595c3d8b69c3b46a2561d8feadc35c911473bcb03907ac
- MD5 71bd359e5db435ee74ba60508f0021d7
- SHA1 c427999ed79a11751bbc6e00a1b94362e29494c4
- SHA512 bacbedf80e3a87bc3bc1230532612261eae74a6b8c881b65d26993aaab5ad4d1200c2060eb735641340e12799d01b307abd56c7dd86f9d704a123d3c3dad5673
- SSDEEP 49152:qPnycXVTyTyg5tJyNZ/W/hNbo1iTl8ZFPnMBwbePbgF+VS5sb5m+cZ2lyn0wgsXB:q6chqTShW/hNbSiQfMJPLmrUlsB
- TLSH T1F897D69FBF81DE82F957D23498A75B602336D9B40BF1C307125427206F9F2998EE25D8
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 5364 powershell.exe - Executes dropped EXE 1 IoCs
pid Process 2724 Dhyupa.exe - Loads dropped DLL 1 IoCs
pid Process 2724 Dhyupa.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tencent SecurityHealth = "\"C:\\Users\\Public\\YoBB48\\Dhyupa.exe\"" Dhyupa.exe - Indicator Removal: Clear Persistence 1 TTPs 3 IoCs
Clear artifacts associated with previously established persistence like scheduletasks on a host.
pid Process 3716 cmd.exe 1212 cmd.exe 1352 cmd.exe - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\System32\CodeIntegrity\SiPolicy.p7b Dhyupa.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 1132 cmd.exe 5840 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname install.2.0.02.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain install.2.0.02.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Dhyupa.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Dhyupa.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1164 schtasks.exe 3332 schtasks.exe 4084 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 4276 install.2.0.02.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe 2724 Dhyupa.exe - Suspicious behavior: LoadsDriver 5 IoCs
pid Process 816 Process not Found 816 Process not Found 816 Process not Found 816 Process not Found 816 Process not Found - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2724 wrote to memory of 5364 2724 Dhyupa.exe 92 PID 2724 wrote to memory of 3716 2724 Dhyupa.exe 94 PID 3716 wrote to memory of 1164 3716 cmd.exe 96 - 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:\Users\Admin\AppData\Local\Temp\install.2.0.02.exe"C:\Users\Admin\AppData\Local\Temp\install.2.0.02.exe"1⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
PID:4276
-
C:\Users\Public\YoBB48\Dhyupa.exe"C:\Users\Public\YoBB48\Dhyupa.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath 'C:\ProgramData','C:\Users','C:\Program Files (x86)','C:\' -Force2⤵
- Command and Scripting Interpreter: PowerShell
PID:5364
-
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Public\YoBB48\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:3716 -
C:\Windows\system32\schtasks.exeSCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Public\YoBB48\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:1164
-
-
C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:428
-
-
C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:5836
-
-
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
PID:1212 -
C:\Windows\system32\schtasks.exeSCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:3332
-
-
C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:2020
-
-
C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:2744
-
-
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
PID:1352 -
C:\Windows\system32\schtasks.exeSCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:4084
-
-
-
C:\Windows\system32\cmd.exe"cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\YoBB48" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
PID:1132
-
C:\Windows\system32\cmd.execmd.exe1⤵PID:5908
-
C:\Users\Public\YoBB48\Dhyupa.exe"C:\Users\Public\YoBB48\Dhyupa.exe"1⤵PID:1548
-
C:\Windows\system32\cmd.exe"cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
PID:5840
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\0DA515F703BB9B49479E8697ADB0B955_A825BDF54036A41AFA74CBF923C33A97
- Size 1KB
- SHA256 d91769a3c599bbde8b22c983fb33ac0793804ad8bef05d30861a1ac6c19a29d7
- MD5 81fe5ef00e8e16b021c604d824cf1209
- SHA1 f2bc5e055d47b6408121101a5c6c425b7672d9c4
- SHA512 fe85b99643a1331bd2010fd35008b724142ec5601948c9550aa64c8ed5b02b1dd7cb9e58caac24d3981693e2aeb2bf093e23aef832a8e6b1cb21c58973faa8ee
- TLSH T1D831A4FB4BACBC829F294DD925CAB1322DE5E2D05C8614AA2215C4949F043B12F0A90C
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B126FCE2445AEB4D678E59CB88147627_9759CCC75F54A99CEB69AE73B218D5C6
- Size 1KB
- SHA256 a6b0f6a44dd96965a00f4e245bf186c12f6ff9f63bb9cb6c82d0e40b4ec561ac
- MD5 bcd4b0559361f9a709e5c758e66bea37
- SHA1 eb0f3410d134d5d0d7e22d706b22436bb29ba674
- SHA512 e359408a9c99a3155c0b0e9bfc2ffc54faecdcbaac4dbe09de83ab93a402de39d81f644f1fc98bae16bf125a1468e6f6a383417babeb667ed936b0bd06150aca
- TLSH T12531D6A34E350012DF1C5F3096C0D13BBCF2AAB45DE808416A6EE2AE961AB774FC5495
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\0DA515F703BB9B49479E8697ADB0B955_A825BDF54036A41AFA74CBF923C33A97
- Size 512B
- SHA256 d395c663fe56d944de2ec7f80183fb784d48fcc6e8acc22b1794493311c1ce6a
- MD5 6e52e425e728e55eff1c7afb51e19ed3
- SHA1 67c6fb0a864b284e7fe582f10cbe1959d93e20fe
- SHA512 26483efb5c718ba6dd5528d74c828c15d4768345e87f8b2753f883b465470b5f426f27c34b2956c672dc38c675a2d79fa0dfe4b8b20d1c3ef691c4d9f307612f
- TLSH T17CF0DC0C187C412DF572EA784AD939AA1AFAEA44240281E046F50B0EA616C413D216BD
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B126FCE2445AEB4D678E59CB88147627_9759CCC75F54A99CEB69AE73B218D5C6
- Size 506B
- SHA256 d2826c25c1c9f2342cdd48f354af203943f12260db919554b2fa9a7f1dcd0cc9
- MD5 784adc9789f2c25b4605b12a8fa68607
- SHA1 7490e257c9a4cc740224dc77106884ac283682ae
- SHA512 5ab35ae8e3b0d0ca6dad3ef0117ff7fa2af0badd644fde836eef17493cecb7113dc099847f5ae01caa9b9eed47d51c1f3234751904d64d54e7ffd90be9a62f71
- TLSH T1FCF05C3C52DA814FF23BD1B456C23AF25739E122600A62AE09F803482E64A406C4226E
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Public\YoBB48\Dhyupa.exe
- Size 135KB
- SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
- MD5 9ec587911e501b73b7cf09f05d0ae17d
- SHA1 5b62403cc9a668c6e5c70ace177fd54fcc4c5936
- SHA512 d05468a472373815c46ccb46ec743408365d24982d10d8a23ee0036c28cf3dacd05d74304ef2d4b7118f91ff3f631f676b2e86ddee92a02cf988b0d3c6247847
- SSDEEP 3072:MmhXb5pgtiaRENEErO9Uj4OqhhUvB4BNgQaJ:MmjgtiayGErsUKh3To
- TLSH T1D0D38C2776A474F9E1778635C8511A1AE772B8760770CB9F03A442A62F237D19E3EF20
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\YoBB48\UxEnhance64.dll
- Size 3.1MB
- SHA256 7516445585087951c3589bd73daa00efb0deece5544a62229742e83170bdf9d7
- MD5 f4241c90ed0881f315d16ec29507d3bd
- SHA1 7ece51872948f8209c426be15e92ab6d6e0f216a
- SHA512 d226b1194f907f5ae5cba43015621954f2e5916bfb807248ea0a5842caf70a751042384a38fef3d846bfc3e6ef121186a268da8379d339a47ba91add5e6c2439
- SSDEEP 49152:P9KpI8cBa0kj6BK0x3TiMQclkGo2PXk6rkwuuWG/+WizBedfb77N3SnKrKB+i:P9m29xx3Tiqt06ox6+z2rNNrKoi
- TLSH T121E523E5B6D739F6D023CBF4DA62A1AD70393F505F635C5F3B8929014E62228973A390
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\YoBB48\adoresd.dat
- Size 4.8MB
- SHA256 96b20e86690411d4caed9f72812d6d3e8f97ab8392a252f78e24bffec65c044a
- MD5 a2426099a34d372733ccba1b2cbf53b4
- SHA1 6621dc06ebc93f0f4662a4024088842bdfcd252d
- SHA512 871be3cd90a0808de2defca6b9be1857071fd8fee2d8d0fb5858924e1b709cdd69758e8fc2c59428d62ee98849097355a298687adb3853d87cf270611a3a549e
- SSDEEP 98304:NWjdk+BWRdgiQH5fi2EP8QppMsYpfemnFjrIROuF7dYutYONNClD:NWj3WRdRQH5fimPGmNc7dBtYOc
- TLSH T1C53633AB2FC2F55F5582315954D8E0216D7FFEC626CA2B5D6E7888F7A32210A04BD24C
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\YoBB48\msadox.tb
- Size 8KB
- SHA256 d4628af53e512c8252fe834da786031c6c322b29898f2cc06bafe138dbf51d79
- MD5 4b6393d5528e2aa3876721c4b156fb95
- SHA1 6fc76117ba0db26c346a7615cf67c034af65eb03
- SHA512 a1180565e9cebacad1286cea96e2f17978969bf064187b42a1d08766dd19056a9b595fbe3383783ef78c4cb2c18d8626081460056cbe9359c57eee08ea0e1ba5
- SSDEEP 192:4qbZajnZ45X1q3JXglD+3vR8cwNhIMCGe2y0PQp:4sZqZOXQ3uqvR2Kfzp
- TLSH T151029E05D7A20CC3D2016C71CD9EB2F5AB23A1DADA3926719C67D4C167072DD2CE620D
- MD5 SHA1 SHA512 SSDEEP TLSH