Analysis
- max time kernel
106s - max time network
55s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
20/06/2024, 14:47
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
PCToaster.exe
Resource
win7-20231129-en
1 signatures
150 seconds
Errors
Reason
Machine shutdown
General
- Target PCToaster.exe
- Size 411KB
- Sample240620-r6de9axcpr
- SHA256 85a58aa96dccd94316a34608ba996656a22c8158d5156b6e454d9d69e6ff38c3
- MD5 04251a49a240dbf60975ac262fc6aeb7
- SHA1 e211ca63af2ab85ffab1e5fbbdf28a4ef8f77de0
- SHA512 3422a231e1dadb68d3567a99d46791392ecf5883fd3bbc2cae19a595364dac46e4b2712db70b61b488937d906413d39411554034ffd3058389700a93c17568d2
- SSDEEP 3072:quJFS5Aqu+WwjxeI/0gVnfKl0FA+aPobO24yNz88iu8vDYHTlI5EJD5Hbibfd6PK:/JM0mCsWq1/qpz+nF5c
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Possible privilege escalation attempt 3 IoCs
pid Process 2228 icacls.exe 3780 takeown.exe 4980 takeown.exe - Modifies file permissions 1 TTPs 3 IoCs
pid Process 2228 icacls.exe 3780 takeown.exe 4980 takeown.exe - Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\K: mountvol.exe File opened (read-only) \??\M: mountvol.exe File opened (read-only) \??\N: mountvol.exe File opened (read-only) \??\O: mountvol.exe File opened (read-only) \??\Q: mountvol.exe File opened (read-only) \??\V: takeown.exe File opened (read-only) \??\H: mountvol.exe File opened (read-only) \??\J: mountvol.exe File opened (read-only) \??\S: mountvol.exe File opened (read-only) \??\V: takeown.exe File opened (read-only) \??\W: mountvol.exe File opened (read-only) \??\X: mountvol.exe File opened (read-only) \??\I: mountvol.exe File opened (read-only) \??\L: mountvol.exe File opened (read-only) \??\R: mountvol.exe File opened (read-only) \??\Z: mountvol.exe File opened (read-only) \??\A: mountvol.exe File opened (read-only) \??\B: mountvol.exe File opened (read-only) \??\E: mountvol.exe File opened (read-only) \??\U: mountvol.exe File opened (read-only) \??\Y: mountvol.exe File opened (read-only) \??\G: mountvol.exe File opened (read-only) \??\P: mountvol.exe File opened (read-only) \??\T: mountvol.exe - Checks SCSI registry key(s) 3 TTPs 7 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName vds.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName vds.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000 vds.exe - Kills process with taskkill 1 IoCs
pid Process 3708 taskkill.exe - Suspicious behavior: EnumeratesProcesses 13 IoCs
pid Process 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe - Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeTakeOwnershipPrivilege 3780 takeown.exe Token: SeDebugPrivilege 3212 taskmgr.exe Token: SeSystemProfilePrivilege 3212 taskmgr.exe Token: SeCreateGlobalPrivilege 3212 taskmgr.exe Token: 33 3212 taskmgr.exe Token: SeIncBasePriorityPrivilege 3212 taskmgr.exe Token: SeDebugPrivilege 3708 taskkill.exe - Suspicious use of FindShellTrayWindow 40 IoCs
pid Process 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe - Suspicious use of SendNotifyMessage 39 IoCs
pid Process 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe 3212 taskmgr.exe - Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3976 javaw.exe 3976 javaw.exe 3976 javaw.exe 3976 javaw.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4504 wrote to memory of 3976 4504 PCToaster.exe 82 PID 4504 wrote to memory of 3976 4504 PCToaster.exe 82 PID 3976 wrote to memory of 2228 3976 javaw.exe 83 PID 3976 wrote to memory of 2228 3976 javaw.exe 83 PID 3976 wrote to memory of 440 3976 javaw.exe 88 PID 3976 wrote to memory of 440 3976 javaw.exe 88 PID 3976 wrote to memory of 688 3976 javaw.exe 90 PID 3976 wrote to memory of 688 3976 javaw.exe 90 PID 3976 wrote to memory of 3780 3976 javaw.exe 95 PID 3976 wrote to memory of 3780 3976 javaw.exe 95 PID 3976 wrote to memory of 4980 3976 javaw.exe 97 PID 3976 wrote to memory of 4980 3976 javaw.exe 97 PID 3976 wrote to memory of 3708 3976 javaw.exe 109 PID 3976 wrote to memory of 3708 3976 javaw.exe 109 PID 3976 wrote to memory of 776 3976 javaw.exe 114 PID 3976 wrote to memory of 776 3976 javaw.exe 114 PID 3976 wrote to memory of 3524 3976 javaw.exe 116 PID 3976 wrote to memory of 3524 3976 javaw.exe 116 PID 3976 wrote to memory of 4620 3976 javaw.exe 118 PID 3976 wrote to memory of 4620 3976 javaw.exe 118 PID 3976 wrote to memory of 5000 3976 javaw.exe 120 PID 3976 wrote to memory of 5000 3976 javaw.exe 120 PID 3976 wrote to memory of 4396 3976 javaw.exe 122 PID 3976 wrote to memory of 4396 3976 javaw.exe 122 PID 3976 wrote to memory of 3532 3976 javaw.exe 124 PID 3976 wrote to memory of 3532 3976 javaw.exe 124 PID 3976 wrote to memory of 1408 3976 javaw.exe 126 PID 3976 wrote to memory of 1408 3976 javaw.exe 126 PID 3976 wrote to memory of 2344 3976 javaw.exe 128 PID 3976 wrote to memory of 2344 3976 javaw.exe 128 PID 3976 wrote to memory of 3088 3976 javaw.exe 130 PID 3976 wrote to memory of 3088 3976 javaw.exe 130 PID 3976 wrote to memory of 2904 3976 javaw.exe 132 PID 3976 wrote to memory of 2904 3976 javaw.exe 132 PID 3976 wrote to memory of 3604 3976 javaw.exe 134 PID 3976 wrote to memory of 3604 3976 javaw.exe 134 PID 3976 wrote to memory of 2028 3976 javaw.exe 136 PID 3976 wrote to memory of 2028 3976 javaw.exe 136 PID 3976 wrote to memory of 5100 3976 javaw.exe 138 PID 3976 wrote to memory of 5100 3976 javaw.exe 138 PID 3976 wrote to memory of 5116 3976 javaw.exe 140 PID 3976 wrote to memory of 5116 3976 javaw.exe 140 PID 3976 wrote to memory of 5012 3976 javaw.exe 142 PID 3976 wrote to memory of 5012 3976 javaw.exe 142 PID 3976 wrote to memory of 3732 3976 javaw.exe 144 PID 3976 wrote to memory of 3732 3976 javaw.exe 144 PID 3976 wrote to memory of 4520 3976 javaw.exe 146 PID 3976 wrote to memory of 4520 3976 javaw.exe 146 PID 3976 wrote to memory of 4956 3976 javaw.exe 148 PID 3976 wrote to memory of 4956 3976 javaw.exe 148 PID 3976 wrote to memory of 728 3976 javaw.exe 150 PID 3976 wrote to memory of 728 3976 javaw.exe 150 PID 3976 wrote to memory of 4472 3976 javaw.exe 152 PID 3976 wrote to memory of 4472 3976 javaw.exe 152 PID 3976 wrote to memory of 3220 3976 javaw.exe 154 PID 3976 wrote to memory of 3220 3976 javaw.exe 154 PID 3976 wrote to memory of 232 3976 javaw.exe 156 PID 3976 wrote to memory of 232 3976 javaw.exe 156 PID 3976 wrote to memory of 2308 3976 javaw.exe 158 PID 3976 wrote to memory of 2308 3976 javaw.exe 158 PID 3976 wrote to memory of 3848 3976 javaw.exe 160 PID 3976 wrote to memory of 3848 3976 javaw.exe 160 PID 3976 wrote to memory of 860 3976 javaw.exe 162 PID 3976 wrote to memory of 860 3976 javaw.exe 162 - Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 440 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PCToaster.exe"C:\Users\Admin\AppData\Local\Temp\PCToaster.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4504 -
C:\Program Files\Java\jre-1.8\bin\javaw.exe"C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\PCToaster.exe"2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3976 -
C:\Windows\system32\icacls.exeC:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2228
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C:\Windows\SYSTEM32\attrib.exeattrib +h C:\Users\Admin\AppData\Local\Temp\scr.txt3⤵
- Views/modifies file attributes
PID:440
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C:\Windows\SYSTEM32\diskpart.exediskpart /s C:\Users\Admin\AppData\Local\Temp\scr.txt3⤵PID:688
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C:\Windows\SYSTEM32\takeown.exetakeown /f V:\Boot /r3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
PID:3780
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C:\Windows\SYSTEM32\takeown.exetakeown /f V:\Recovery /r3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Enumerates connected drives
PID:4980
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C:\Windows\SYSTEM32\taskkill.exetaskkill /im lsass.exe /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3708
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C:\Windows\SYSTEM32\mountvol.exemountvol A: /d3⤵
- Enumerates connected drives
PID:776
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C:\Windows\SYSTEM32\mountvol.exemountvol B: /d3⤵
- Enumerates connected drives
PID:3524
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C:\Windows\SYSTEM32\mountvol.exemountvol D: /d3⤵PID:4620
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C:\Windows\SYSTEM32\mountvol.exemountvol E: /d3⤵
- Enumerates connected drives
PID:5000
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C:\Windows\SYSTEM32\mountvol.exemountvol F: /d3⤵PID:4396
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C:\Windows\SYSTEM32\mountvol.exemountvol G: /d3⤵
- Enumerates connected drives
PID:3532
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C:\Windows\SYSTEM32\mountvol.exemountvol H: /d3⤵
- Enumerates connected drives
PID:1408
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C:\Windows\SYSTEM32\mountvol.exemountvol I: /d3⤵
- Enumerates connected drives
PID:2344
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C:\Windows\SYSTEM32\mountvol.exemountvol J: /d3⤵
- Enumerates connected drives
PID:3088
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C:\Windows\SYSTEM32\mountvol.exemountvol K: /d3⤵
- Enumerates connected drives
PID:2904
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C:\Windows\SYSTEM32\mountvol.exemountvol L: /d3⤵
- Enumerates connected drives
PID:3604
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C:\Windows\SYSTEM32\mountvol.exemountvol M: /d3⤵
- Enumerates connected drives
PID:2028
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C:\Windows\SYSTEM32\mountvol.exemountvol N: /d3⤵
- Enumerates connected drives
PID:5100
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C:\Windows\SYSTEM32\mountvol.exemountvol O: /d3⤵
- Enumerates connected drives
PID:5116
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C:\Windows\SYSTEM32\mountvol.exemountvol P: /d3⤵
- Enumerates connected drives
PID:5012
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C:\Windows\SYSTEM32\mountvol.exemountvol Q: /d3⤵
- Enumerates connected drives
PID:3732
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C:\Windows\SYSTEM32\mountvol.exemountvol R: /d3⤵
- Enumerates connected drives
PID:4520
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C:\Windows\SYSTEM32\mountvol.exemountvol S: /d3⤵
- Enumerates connected drives
PID:4956
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C:\Windows\SYSTEM32\mountvol.exemountvol T: /d3⤵
- Enumerates connected drives
PID:728
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C:\Windows\SYSTEM32\mountvol.exemountvol U: /d3⤵
- Enumerates connected drives
PID:4472
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C:\Windows\SYSTEM32\mountvol.exemountvol V: /d3⤵PID:3220
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C:\Windows\SYSTEM32\mountvol.exemountvol W: /d3⤵
- Enumerates connected drives
PID:232
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C:\Windows\SYSTEM32\mountvol.exemountvol X: /d3⤵
- Enumerates connected drives
PID:2308
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C:\Windows\SYSTEM32\mountvol.exemountvol Y: /d3⤵
- Enumerates connected drives
PID:3848
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C:\Windows\SYSTEM32\mountvol.exemountvol Z: /d3⤵
- Enumerates connected drives
PID:860
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C:\Windows\SYSTEM32\mountvol.exemountvol C: /d3⤵PID:1616
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:2112
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:3140
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3212
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:1920
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s fdPHost1⤵PID:3128
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
- Size 46B
- SHA256 a9aaac48e94fd8b5e296ccd99e2a4d73639f7c2b3b2c35bc02e8fc6cb5040856
- MD5 ce0f4cdd8c73e8bfdd8f7c36fc51989c
- SHA1 cbfee3a71a6a4a269105b87f90d7f38a45c3da0b
- SHA512 0a597b9a1a26193041e911f29b688db8015e28de713030832818d27e536d28f033a20aa44a4f994d31903ba8adfb2d8d6548018d4fac45dbd9eb2a49bda7be16
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\scr.txt
- Size 45B
- SHA256 7e9cde40095f2a877375cb30fecd4f64cf328e3ab11baed5242f73cbb94bd394
- MD5 ad1869d6f0b2b809394605d3e73eeb74
- SHA1 4bdedd14bfea9f891b98c4cc82c5f82a58df67f6
- SHA512 8fe0f269daf94feaa246a644dbeeda52916855f1d2bfd2c6c876c7c9c80b0ceb7e42caf0b64a70bda9a64d4529b885aaa38998a515d6abbe88ad367e72324136
- MD5 SHA1 SHA512