Analysis
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max time kernel
299s -
max time network
304s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
26-08-2024 05:01
Behavioral task
behavioral1
Sample
2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe
Resource
win7-20240704-en
General
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Target
2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe
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Size
416KB
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MD5
f5d7b79ee6b6da6b50e536030bcc3b59
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SHA1
751b555a8eede96d55395290f60adc43b28ba5e2
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SHA256
2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459
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SHA512
532b17cd2a6ac5172b1ddba1e63edd51ab53a4527204415241e3a78e8ffeb9728071bde5ae1eefabefd2627f00963f8a5458668cd7b8df041c8683252ff56b46
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SSDEEP
12288:ISqMakU3v+GYLWIjD9dSbvBG5u2uQjdQco:jq53v+G4Wwub8Ljaco
Malware Config
Signatures
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XMRig Miner payload 9 IoCs
Processes:
resource yara_rule behavioral1/memory/1260-54-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/1260-53-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/1260-60-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/1260-59-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/1260-58-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/1260-57-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/1260-56-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/1260-61-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/1260-62-0x0000000140000000-0x0000000140848000-memory.dmp xmrig -
Blocklisted process makes network request 3 IoCs
Processes:
cmd.exeflow pid Process 9 1260 cmd.exe 11 1260 cmd.exe 13 1260 cmd.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepid Process 2264 powershell.exe 2432 powershell.exe -
Creates new service(s) 2 TTPs
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Downloads MZ/PE file
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Executes dropped EXE 4 IoCs
Processes:
Hkbsse.exeOffice2024.exerzyyvjydedax.exepid Process 2196 Hkbsse.exe 2900 Office2024.exe 476 2108 rzyyvjydedax.exe -
Loads dropped DLL 4 IoCs
Processes:
2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exeHkbsse.exepid Process 2688 2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe 2196 Hkbsse.exe 2196 Hkbsse.exe 476 -
Processes:
resource yara_rule behavioral1/memory/1260-46-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1260-49-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1260-54-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1260-52-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1260-48-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1260-47-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1260-53-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1260-60-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1260-59-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1260-58-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1260-57-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1260-56-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1260-61-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/1260-62-0x0000000140000000-0x0000000140848000-memory.dmp upx -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Power Settings 1 TTPs 8 IoCs
powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.
Processes:
powercfg.exepowercfg.exepowercfg.exepowercfg.exepowercfg.exepowercfg.exepowercfg.exepowercfg.exepid Process 1268 powercfg.exe 900 powercfg.exe 932 powercfg.exe 2020 powercfg.exe 2092 powercfg.exe 1976 powercfg.exe 2004 powercfg.exe 860 powercfg.exe -
Drops file in System32 directory 4 IoCs
Processes:
rzyyvjydedax.exepowershell.exeOffice2024.exepowershell.exedescription ioc Process File opened for modification C:\Windows\system32\MRT.exe rzyyvjydedax.exe File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe File opened for modification C:\Windows\system32\MRT.exe Office2024.exe File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
rzyyvjydedax.exedescription pid Process procid_target PID 2108 set thread context of 1464 2108 rzyyvjydedax.exe 85 PID 2108 set thread context of 1260 2108 rzyyvjydedax.exe 88 -
Drops file in Windows directory 3 IoCs
Processes:
2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exewusa.exewusa.exedescription ioc Process File created C:\Windows\Tasks\Hkbsse.job 2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe File created C:\Windows\wusa.lock wusa.exe File created C:\Windows\wusa.lock wusa.exe -
Launches sc.exe 14 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exesc.exesc.exesc.exesc.exesc.exesc.exesc.exesc.exesc.exesc.exesc.exesc.exesc.exepid Process 2948 sc.exe 2340 sc.exe 1872 sc.exe 108 sc.exe 2060 sc.exe 2952 sc.exe 2116 sc.exe 2096 sc.exe 2032 sc.exe 2828 sc.exe 808 sc.exe 852 sc.exe 1876 sc.exe 1544 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
Hkbsse.exe2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Hkbsse.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe -
Modifies data under HKEY_USERS 6 IoCs
Processes:
cmd.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates cmd.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\ROOT\CRLs cmd.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\ROOT\CTLs cmd.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = 30916c1f75f7da01 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\ROOT cmd.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
Office2024.exepowershell.exerzyyvjydedax.exepowershell.execmd.exepid Process 2900 Office2024.exe 2432 powershell.exe 2900 Office2024.exe 2900 Office2024.exe 2900 Office2024.exe 2900 Office2024.exe 2900 Office2024.exe 2900 Office2024.exe 2900 Office2024.exe 2900 Office2024.exe 2900 Office2024.exe 2900 Office2024.exe 2900 Office2024.exe 2900 Office2024.exe 2900 Office2024.exe 2900 Office2024.exe 2108 rzyyvjydedax.exe 2264 powershell.exe 2108 rzyyvjydedax.exe 2108 rzyyvjydedax.exe 2108 rzyyvjydedax.exe 2108 rzyyvjydedax.exe 2108 rzyyvjydedax.exe 2108 rzyyvjydedax.exe 2108 rzyyvjydedax.exe 2108 rzyyvjydedax.exe 2108 rzyyvjydedax.exe 2108 rzyyvjydedax.exe 2108 rzyyvjydedax.exe 2108 rzyyvjydedax.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe 1260 cmd.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
Processes:
powershell.exepowercfg.exepowercfg.exepowercfg.exepowercfg.exepowershell.exepowercfg.exepowercfg.exepowercfg.exepowercfg.execmd.exedescription pid Process Token: SeDebugPrivilege 2432 powershell.exe Token: SeShutdownPrivilege 2092 powercfg.exe Token: SeShutdownPrivilege 2004 powercfg.exe Token: SeShutdownPrivilege 2020 powercfg.exe Token: SeShutdownPrivilege 1976 powercfg.exe Token: SeDebugPrivilege 2264 powershell.exe Token: SeShutdownPrivilege 860 powercfg.exe Token: SeShutdownPrivilege 932 powercfg.exe Token: SeShutdownPrivilege 900 powercfg.exe Token: SeShutdownPrivilege 1268 powercfg.exe Token: SeLockMemoryPrivilege 1260 cmd.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exepid Process 2688 2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe -
Suspicious use of WriteProcessMemory 28 IoCs
Processes:
2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exeHkbsse.execmd.execmd.exerzyyvjydedax.exedescription pid Process procid_target PID 2688 wrote to memory of 2196 2688 2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe 30 PID 2688 wrote to memory of 2196 2688 2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe 30 PID 2688 wrote to memory of 2196 2688 2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe 30 PID 2688 wrote to memory of 2196 2688 2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe 30 PID 2196 wrote to memory of 2900 2196 Hkbsse.exe 33 PID 2196 wrote to memory of 2900 2196 Hkbsse.exe 33 PID 2196 wrote to memory of 2900 2196 Hkbsse.exe 33 PID 2196 wrote to memory of 2900 2196 Hkbsse.exe 33 PID 1860 wrote to memory of 2908 1860 cmd.exe 42 PID 1860 wrote to memory of 2908 1860 cmd.exe 42 PID 1860 wrote to memory of 2908 1860 cmd.exe 42 PID 2980 wrote to memory of 1100 2980 cmd.exe 72 PID 2980 wrote to memory of 1100 2980 cmd.exe 72 PID 2980 wrote to memory of 1100 2980 cmd.exe 72 PID 2108 wrote to memory of 1464 2108 rzyyvjydedax.exe 85 PID 2108 wrote to memory of 1464 2108 rzyyvjydedax.exe 85 PID 2108 wrote to memory of 1464 2108 rzyyvjydedax.exe 85 PID 2108 wrote to memory of 1464 2108 rzyyvjydedax.exe 85 PID 2108 wrote to memory of 1464 2108 rzyyvjydedax.exe 85 PID 2108 wrote to memory of 1464 2108 rzyyvjydedax.exe 85 PID 2108 wrote to memory of 1464 2108 rzyyvjydedax.exe 85 PID 2108 wrote to memory of 1464 2108 rzyyvjydedax.exe 85 PID 2108 wrote to memory of 1464 2108 rzyyvjydedax.exe 85 PID 2108 wrote to memory of 1260 2108 rzyyvjydedax.exe 88 PID 2108 wrote to memory of 1260 2108 rzyyvjydedax.exe 88 PID 2108 wrote to memory of 1260 2108 rzyyvjydedax.exe 88 PID 2108 wrote to memory of 1260 2108 rzyyvjydedax.exe 88 PID 2108 wrote to memory of 1260 2108 rzyyvjydedax.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe"C:\Users\Admin\AppData\Local\Temp\2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe"1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2688 -
C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe"C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2196 -
C:\Users\Admin\AppData\Local\Temp\1000004001\Office2024.exe"C:\Users\Admin\AppData\Local\Temp\1000004001\Office2024.exe"3⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:2900 -
C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force4⤵
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2432
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart4⤵
- Suspicious use of WriteProcessMemory
PID:1860 -
C:\Windows\system32\wusa.exewusa /uninstall /kb:890830 /quiet /norestart5⤵
- Drops file in Windows directory
PID:2908
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop UsoSvc4⤵
- Launches sc.exe
PID:1876
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop WaaSMedicSvc4⤵
- Launches sc.exe
PID:2828
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop wuauserv4⤵
- Launches sc.exe
PID:2952
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop bits4⤵
- Launches sc.exe
PID:2948
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop dosvc4⤵
- Launches sc.exe
PID:808
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 04⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:2020
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 04⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:2092
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -standby-timeout-ac 04⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:2004
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -standby-timeout-dc 04⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:1976
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe delete "QKJNEQWA"4⤵
- Launches sc.exe
PID:2032
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe create "QKJNEQWA" binpath= "C:\ProgramData\hsbpaqlrqhmp\rzyyvjydedax.exe" start= "auto"4⤵
- Launches sc.exe
PID:2340
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop eventlog4⤵
- Launches sc.exe
PID:2096
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start "QKJNEQWA"4⤵
- Launches sc.exe
PID:2116
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C:\ProgramData\hsbpaqlrqhmp\rzyyvjydedax.exeC:\ProgramData\hsbpaqlrqhmp\rzyyvjydedax.exe1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2108 -
C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2264
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart2⤵
- Suspicious use of WriteProcessMemory
PID:2980 -
C:\Windows\system32\wusa.exewusa /uninstall /kb:890830 /quiet /norestart3⤵
- Drops file in Windows directory
PID:1100
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop UsoSvc2⤵
- Launches sc.exe
PID:852
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop WaaSMedicSvc2⤵
- Launches sc.exe
PID:1544
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop wuauserv2⤵
- Launches sc.exe
PID:1872
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop bits2⤵
- Launches sc.exe
PID:108
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop dosvc2⤵
- Launches sc.exe
PID:2060
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 02⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:860
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 02⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:1268
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -standby-timeout-ac 02⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:900
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -standby-timeout-dc 02⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:932
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C:\Windows\system32\conhost.exeC:\Windows\system32\conhost.exe2⤵PID:1464
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C:\Windows\system32\cmd.execmd.exe2⤵
- Blocklisted process makes network request
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1260
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
416KB
MD5f5d7b79ee6b6da6b50e536030bcc3b59
SHA1751b555a8eede96d55395290f60adc43b28ba5e2
SHA2562f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459
SHA512532b17cd2a6ac5172b1ddba1e63edd51ab53a4527204415241e3a78e8ffeb9728071bde5ae1eefabefd2627f00963f8a5458668cd7b8df041c8683252ff56b46
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Filesize
2.7MB
MD5df92abd264b50c9f069246a6e65453f0
SHA1f5025a44910ceddf26fb3fffb5da28ea93ee1a20
SHA256bc7d010eb971dbc9cbeedc543f93bb1b6924d57597e213dbe10c2c1efd8d0296
SHA512a3f48831efa65cea6a2cf313f698b59d84119023196e11b1266d937a5b4c05aa4aab67c6d40450bef5c9245b46316980906fa73196d892f2880abc2b1b863455