Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2024 20:25
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-23_669c8cc562e81ad860e00c411b9c7b58_bkransomware.exe
Resource
win7-20241010-en
General
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Target
2024-11-23_669c8cc562e81ad860e00c411b9c7b58_bkransomware.exe
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Size
6.2MB
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MD5
669c8cc562e81ad860e00c411b9c7b58
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SHA1
106a606964022260209e4d2d9f856a2b360f250f
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SHA256
86919a8a99f706812294e2c241ae602f611e0336f49f2699edb833ee9c88945f
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SHA512
2e4851e661a8039f3a9ec181b994073ec9882d31e191e4fb10b63a734ec6e332b810270612f7f5eeccd3796935ca8b12df58ccf7598baf6575db5882975aef23
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SSDEEP
98304:6bzPGKfLnqmZjQa/LOg6MmYykewKc2oClrqg78SJDsE7nw/aMnxT8:6bz1LDUCWB5sEdwxT8
Malware Config
Extracted
phorphiex
http://185.215.113.66/
http://91.202.233.141/
0xCa90599132C4D88907Bd8E046540284aa468a035
TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6
qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r
XryzFMFVpDUvU7famUGf214EXD3xNUSmQf
rsXCXBf9SagxV8JfC12d8Bybk84oPdMNN9
AULzfBuUAPfCGAXoG5Vq14aP9s6fx3AH4Z
LdgchXq1sKbAaAJ1EXAPSRBzLb8jnTZstT
MP8GEm8QpYgQYaMo8oM5NQhRBgDGiLZW5Q
4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK
15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC
1BzmrjmKPKSR2hH5BeJySfiVA676E8DYaK
ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp
3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc
3ESHude8zUHksQg1h6hHmzY79BS36L91Yn
DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA
t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh
stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj
bnb1msyt0djx4ecspfxg5en0ye465kg3kmv9utzml2
bc1ppypcmu3684n648gyj62gjp2rw0xy7w3vwfamatlg29ajp4z52desafa0sr
bc1qc9edl4hzl9jyt8twdad3zjeh2df2znq96tdezd
GBQJMXYXPRIWFMXIFJR35ZB7LRKMB4PHCIUAUFR3TKUL6RDBZVLZEUJ3
bitcoincash:qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r
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mutex
753f85d83d
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user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
Extracted
phorphiex
http://185.215.113.84
http://185.215.113.66
185.215.113.66
Signatures
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Phorphiex family
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Phorphiex payload 1 IoCs
resource yara_rule behavioral2/files/0x0008000000023ce5-15.dat family_phorphiex -
Suspicious use of NtCreateUserProcessOtherParentProcess 5 IoCs
description pid Process procid_target PID 2044 created 3520 2044 2696810396.exe 56 PID 2044 created 3520 2044 2696810396.exe 56 PID 4436 created 3520 4436 winupsecvmgr.exe 56 PID 4436 created 3520 4436 winupsecvmgr.exe 56 PID 4436 created 3520 4436 winupsecvmgr.exe 56 -
Xmrig family
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XMRig Miner payload 11 IoCs
resource yara_rule behavioral2/memory/4436-87-0x00007FF65D250000-0x00007FF65D7E7000-memory.dmp xmrig behavioral2/memory/1740-102-0x00007FF78E060000-0x00007FF78E84F000-memory.dmp xmrig behavioral2/memory/1740-105-0x00007FF78E060000-0x00007FF78E84F000-memory.dmp xmrig behavioral2/memory/1740-107-0x00007FF78E060000-0x00007FF78E84F000-memory.dmp xmrig behavioral2/memory/1740-109-0x00007FF78E060000-0x00007FF78E84F000-memory.dmp xmrig behavioral2/memory/1740-111-0x00007FF78E060000-0x00007FF78E84F000-memory.dmp xmrig behavioral2/memory/1740-113-0x00007FF78E060000-0x00007FF78E84F000-memory.dmp xmrig behavioral2/memory/1740-115-0x00007FF78E060000-0x00007FF78E84F000-memory.dmp xmrig behavioral2/memory/1740-118-0x00007FF78E060000-0x00007FF78E84F000-memory.dmp xmrig behavioral2/memory/1740-120-0x00007FF78E060000-0x00007FF78E84F000-memory.dmp xmrig behavioral2/memory/1740-122-0x00007FF78E060000-0x00007FF78E84F000-memory.dmp xmrig -
Downloads MZ/PE file
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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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation 2019928614.exe -
Executes dropped EXE 11 IoCs
pid Process 3012 D63C.exe 2520 2489820357.exe 1360 sysnldcvmr.exe 2216 2019928614.exe 3240 1031220184.exe 2044 2696810396.exe 5104 271708388.exe 4436 winupsecvmgr.exe 532 580229666.exe 1136 1203718683.exe 4696 2603710378.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysnldcvmr.exe" 2489820357.exe -
pid Process 4540 powershell.exe 5052 powershell.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4436 set thread context of 4224 4436 winupsecvmgr.exe 127 PID 4436 set thread context of 1740 4436 winupsecvmgr.exe 128 -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\sysnldcvmr.exe 2489820357.exe File opened for modification C:\Windows\sysnldcvmr.exe 2489820357.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 4736 372 WerFault.exe 84 -
System Location Discovery: System Language Discovery 1 TTPs 9 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 2024-11-23_669c8cc562e81ad860e00c411b9c7b58_bkransomware.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language D63C.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 271708388.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2489820357.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sysnldcvmr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1031220184.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 580229666.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1203718683.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2603710378.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS 2024-11-23_669c8cc562e81ad860e00c411b9c7b58_bkransomware.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer 2024-11-23_669c8cc562e81ad860e00c411b9c7b58_bkransomware.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName 2024-11-23_669c8cc562e81ad860e00c411b9c7b58_bkransomware.exe -
Suspicious behavior: EnumeratesProcesses 15 IoCs
pid Process 2216 2019928614.exe 2044 2696810396.exe 2044 2696810396.exe 5052 powershell.exe 5052 powershell.exe 2044 2696810396.exe 2044 2696810396.exe 4436 winupsecvmgr.exe 4436 winupsecvmgr.exe 4540 powershell.exe 4540 powershell.exe 4436 winupsecvmgr.exe 4436 winupsecvmgr.exe 4436 winupsecvmgr.exe 4436 winupsecvmgr.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2216 2019928614.exe Token: SeDebugPrivilege 5052 powershell.exe Token: SeIncreaseQuotaPrivilege 5052 powershell.exe Token: SeSecurityPrivilege 5052 powershell.exe Token: SeTakeOwnershipPrivilege 5052 powershell.exe Token: SeLoadDriverPrivilege 5052 powershell.exe Token: SeSystemProfilePrivilege 5052 powershell.exe Token: SeSystemtimePrivilege 5052 powershell.exe Token: SeProfSingleProcessPrivilege 5052 powershell.exe Token: SeIncBasePriorityPrivilege 5052 powershell.exe Token: SeCreatePagefilePrivilege 5052 powershell.exe Token: SeBackupPrivilege 5052 powershell.exe Token: SeRestorePrivilege 5052 powershell.exe Token: SeShutdownPrivilege 5052 powershell.exe Token: SeDebugPrivilege 5052 powershell.exe Token: SeSystemEnvironmentPrivilege 5052 powershell.exe Token: SeRemoteShutdownPrivilege 5052 powershell.exe Token: SeUndockPrivilege 5052 powershell.exe Token: SeManageVolumePrivilege 5052 powershell.exe Token: 33 5052 powershell.exe Token: 34 5052 powershell.exe Token: 35 5052 powershell.exe Token: 36 5052 powershell.exe Token: SeIncreaseQuotaPrivilege 5052 powershell.exe Token: SeSecurityPrivilege 5052 powershell.exe Token: SeTakeOwnershipPrivilege 5052 powershell.exe Token: SeLoadDriverPrivilege 5052 powershell.exe Token: SeSystemProfilePrivilege 5052 powershell.exe Token: SeSystemtimePrivilege 5052 powershell.exe Token: SeProfSingleProcessPrivilege 5052 powershell.exe Token: SeIncBasePriorityPrivilege 5052 powershell.exe Token: SeCreatePagefilePrivilege 5052 powershell.exe Token: SeBackupPrivilege 5052 powershell.exe Token: SeRestorePrivilege 5052 powershell.exe Token: SeShutdownPrivilege 5052 powershell.exe Token: SeDebugPrivilege 5052 powershell.exe Token: SeSystemEnvironmentPrivilege 5052 powershell.exe Token: SeRemoteShutdownPrivilege 5052 powershell.exe Token: SeUndockPrivilege 5052 powershell.exe Token: SeManageVolumePrivilege 5052 powershell.exe Token: 33 5052 powershell.exe Token: 34 5052 powershell.exe Token: 35 5052 powershell.exe Token: 36 5052 powershell.exe Token: SeIncreaseQuotaPrivilege 5052 powershell.exe Token: SeSecurityPrivilege 5052 powershell.exe Token: SeTakeOwnershipPrivilege 5052 powershell.exe Token: SeLoadDriverPrivilege 5052 powershell.exe Token: SeSystemProfilePrivilege 5052 powershell.exe Token: SeSystemtimePrivilege 5052 powershell.exe Token: SeProfSingleProcessPrivilege 5052 powershell.exe Token: SeIncBasePriorityPrivilege 5052 powershell.exe Token: SeCreatePagefilePrivilege 5052 powershell.exe Token: SeBackupPrivilege 5052 powershell.exe Token: SeRestorePrivilege 5052 powershell.exe Token: SeShutdownPrivilege 5052 powershell.exe Token: SeDebugPrivilege 5052 powershell.exe Token: SeSystemEnvironmentPrivilege 5052 powershell.exe Token: SeRemoteShutdownPrivilege 5052 powershell.exe Token: SeUndockPrivilege 5052 powershell.exe Token: SeManageVolumePrivilege 5052 powershell.exe Token: 33 5052 powershell.exe Token: 34 5052 powershell.exe Token: 35 5052 powershell.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe 1740 dwm.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 372 wrote to memory of 3012 372 2024-11-23_669c8cc562e81ad860e00c411b9c7b58_bkransomware.exe 85 PID 372 wrote to memory of 3012 372 2024-11-23_669c8cc562e81ad860e00c411b9c7b58_bkransomware.exe 85 PID 372 wrote to memory of 3012 372 2024-11-23_669c8cc562e81ad860e00c411b9c7b58_bkransomware.exe 85 PID 3012 wrote to memory of 2520 3012 D63C.exe 96 PID 3012 wrote to memory of 2520 3012 D63C.exe 96 PID 3012 wrote to memory of 2520 3012 D63C.exe 96 PID 2520 wrote to memory of 1360 2520 2489820357.exe 100 PID 2520 wrote to memory of 1360 2520 2489820357.exe 100 PID 2520 wrote to memory of 1360 2520 2489820357.exe 100 PID 1360 wrote to memory of 2216 1360 sysnldcvmr.exe 105 PID 1360 wrote to memory of 2216 1360 sysnldcvmr.exe 105 PID 2216 wrote to memory of 4364 2216 2019928614.exe 106 PID 2216 wrote to memory of 4364 2216 2019928614.exe 106 PID 2216 wrote to memory of 4772 2216 2019928614.exe 108 PID 2216 wrote to memory of 4772 2216 2019928614.exe 108 PID 4364 wrote to memory of 2652 4364 cmd.exe 110 PID 4364 wrote to memory of 2652 4364 cmd.exe 110 PID 4772 wrote to memory of 2252 4772 cmd.exe 111 PID 4772 wrote to memory of 2252 4772 cmd.exe 111 PID 1360 wrote to memory of 3240 1360 sysnldcvmr.exe 112 PID 1360 wrote to memory of 3240 1360 sysnldcvmr.exe 112 PID 1360 wrote to memory of 3240 1360 sysnldcvmr.exe 112 PID 3240 wrote to memory of 2044 3240 1031220184.exe 115 PID 3240 wrote to memory of 2044 3240 1031220184.exe 115 PID 1360 wrote to memory of 5104 1360 sysnldcvmr.exe 116 PID 1360 wrote to memory of 5104 1360 sysnldcvmr.exe 116 PID 1360 wrote to memory of 5104 1360 sysnldcvmr.exe 116 PID 1360 wrote to memory of 532 1360 sysnldcvmr.exe 124 PID 1360 wrote to memory of 532 1360 sysnldcvmr.exe 124 PID 1360 wrote to memory of 532 1360 sysnldcvmr.exe 124 PID 4436 wrote to memory of 4224 4436 winupsecvmgr.exe 127 PID 4436 wrote to memory of 1740 4436 winupsecvmgr.exe 128 PID 1360 wrote to memory of 1136 1360 sysnldcvmr.exe 130 PID 1360 wrote to memory of 1136 1360 sysnldcvmr.exe 130 PID 1360 wrote to memory of 1136 1360 sysnldcvmr.exe 130 PID 1136 wrote to memory of 4696 1136 1203718683.exe 131 PID 1136 wrote to memory of 4696 1136 1203718683.exe 131 PID 1136 wrote to memory of 4696 1136 1203718683.exe 131 -
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:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3520
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C:\Users\Admin\AppData\Local\Temp\2024-11-23_669c8cc562e81ad860e00c411b9c7b58_bkransomware.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-23_669c8cc562e81ad860e00c411b9c7b58_bkransomware.exe"2⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious use of WriteProcessMemory
PID:372 -
C:\Users\Admin\AppData\Local\Temp\D63C.exe"C:\Users\Admin\AppData\Local\Temp\D63C.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Users\Admin\AppData\Local\Temp\2489820357.exeC:\Users\Admin\AppData\Local\Temp\2489820357.exe4⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520 -
C:\Windows\sysnldcvmr.exeC:\Windows\sysnldcvmr.exe5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1360 -
C:\Users\Admin\AppData\Local\Temp\2019928614.exeC:\Users\Admin\AppData\Local\Temp\2019928614.exe6⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2216 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f7⤵
- Suspicious use of WriteProcessMemory
PID:4364 -
C:\Windows\system32\reg.exereg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f8⤵PID:2652
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "Windows Upgrade Manager"7⤵
- Suspicious use of WriteProcessMemory
PID:4772 -
C:\Windows\system32\schtasks.exeschtasks /delete /f /tn "Windows Upgrade Manager"8⤵PID:2252
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C:\Users\Admin\AppData\Local\Temp\1031220184.exeC:\Users\Admin\AppData\Local\Temp\1031220184.exe6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3240 -
C:\Users\Admin\AppData\Local\Temp\2696810396.exeC:\Users\Admin\AppData\Local\Temp\2696810396.exe7⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2044
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C:\Users\Admin\AppData\Local\Temp\271708388.exeC:\Users\Admin\AppData\Local\Temp\271708388.exe6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5104
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C:\Users\Admin\AppData\Local\Temp\580229666.exeC:\Users\Admin\AppData\Local\Temp\580229666.exe6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:532
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C:\Users\Admin\AppData\Local\Temp\1203718683.exeC:\Users\Admin\AppData\Local\Temp\1203718683.exe6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1136 -
C:\Users\Admin\AppData\Local\Temp\2603710378.exeC:\Users\Admin\AppData\Local\Temp\2603710378.exe7⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4696
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 372 -s 15403⤵
- Program crash
PID:4736
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#evrkcgqew#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Microsoft Windows Security' /tr '''C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Microsoft Windows Security' -RunLevel 'Highest' -Force; }2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5052
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C:\Windows\System32\schtasks.exeC:\Windows\System32\schtasks.exe /run /tn "Microsoft Windows Security"2⤵PID:1868
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#evrkcgqew#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Microsoft Windows Security' /tr '''C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Microsoft Windows Security' -RunLevel 'Highest' -Force; }2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:4540
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C:\Windows\System32\conhost.exeC:\Windows\System32\conhost.exe2⤵PID:4224
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C:\Windows\System32\dwm.exeC:\Windows\System32\dwm.exe2⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1740
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 372 -ip 3721⤵PID:1900
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C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe"C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe"1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4436
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3KB
MD5fee026663fcb662152188784794028ee
SHA13c02a26a9cb16648fad85c6477b68ced3cb0cb45
SHA256dbd4136bc342e3e92902ec3a30d165452c82997a7ae24ac90775e42d88959e6b
SHA5127b12bd5c8fc4356b9123d6586b4980cf76012663b41c0dab6f6f21567e2f4005c5bcea2cc2158d157e4f801a281f3e04bad3774cddb3122db309ccf662184bd6
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Filesize
1KB
MD52ac3c9ba89b8c2ef19c601ecebb82157
SHA1a239a4b11438c00e5ff89ebd4a804ede6a01935b
SHA2563c2714ce07f8c04b3f8222dfe50d8ae08f548b0e6e79fe33d08bf6f4c2e5143e
SHA512b1221d29e747b37071761b2509e9109b522cce6411f73f27c9428ac332d26b9f413ae6b8c0aeac1afb7fab2d0b3b1c4af189da12fe506287596df2ef8f083432
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Filesize
10KB
MD596509ab828867d81c1693b614b22f41d
SHA1c5f82005dbda43cedd86708cc5fc3635a781a67e
SHA256a9de2927b0ec45cf900508fec18531c04ee9fa8a5dfe2fc82c67d9458cf4b744
SHA512ff603117a06da8fb2386c1d2049a5896774e41f34d05951ecd4e7b5fc9da51a373e3fcf61af3577ff78490cf898471ce8e71eae848a12812fe98cd7e76e1a9ca
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Filesize
10KB
MD5bf42134abc9396d90ef04f3ff2a99864
SHA16cee84cb1b5fbf9eddf22baea16540496698e3a4
SHA256e5d2a0c8ce4567ff22d6e3b2107c3761f4cecdd5782701ae10017ff8e4605980
SHA512ff3c0af697bb38ff65c11195c1d39a78645dbd88cc39ff53f86500b9fc63b9df1bfeb58ace00196349dbb7c46d0e595adcba52952d0743ddfd68f949fb62663b
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Filesize
8KB
MD5cb8420e681f68db1bad5ed24e7b22114
SHA1416fc65d538d3622f5ca71c667a11df88a927c31
SHA2565850892f67f85991b31fc90f62c8b7791afeb3c08ae1877d857aa2b59471a2ea
SHA512baaabcc4ad5d409267a34ed7b20e4afb4d247974bfc581d39aae945e5bf8a673a1f8eacae2e6783480c8baaeb0a80d028274a202d456f13d0af956afa0110fdf
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Filesize
79KB
MD50c883b1d66afce606d9830f48d69d74b
SHA1fe431fe73a4749722496f19b3b3ca0b629b50131
SHA256d921fc993574c8be76553bcf4296d2851e48ee39b958205e69bdfd7cf661d2b1
SHA512c047452a23efad4262479fbfeb5e23f9497d7cefd4cbb58e869801206669c2a0759698c70d18050316798d5d939b989537fdce3842aa742449f5e08ed7fa60a5
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Filesize
20KB
MD5b8f5d9790eefcbc350438023228e2299
SHA10119029c630b10465f79f3ba4cbc4c5e56aa3c83
SHA25663eef8c5f6f413655960d5ed84409441840ab669501e5e6d36f97341467a24c5
SHA5127f3204e3e794a9fa1e54f0ddee449cfff1d92ee96ec1ccb3197ccc3f86ad6409f7a6859645bb56a7c20a09b9dffadbd677a7aa15a4d19fe8ee86da3eb78767f3
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Filesize
5.6MB
MD513b26b2c7048a92d6a843c1302618fad
SHA189c2dfc01ac12ef2704c7669844ec69f1700c1ca
SHA2561753ad35ece25ab9a19048c70062e9170f495e313d7355ebbba59c38f5d90256
SHA512d6aff89b61c9945002a6798617ad304612460a607ef1cfbdcb32f8932ca648bcee1d5f2e0321bb4c58c1f4642b1e0ececc1eb82450fdec7dff69b5389f195455
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Filesize
15KB
MD50c37ee292fec32dba0420e6c94224e28
SHA1012cbdddaddab319a4b3ae2968b42950e929c46b
SHA256981d724feebc36777e99513dc061d1f009e589f965c920797285c46d863060d1
SHA5122b60b571c55d0441ba0cfc695f9db5cd12660ebec7effc7e893c3b7a1c6cb6149df487c31b8d748697e260cbc4af29331592b705ea9638f64a711c7a6164628b
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Filesize
49KB
MD5c38ea1b0838858f21ea572f60c69de0c
SHA1f5e34c47b0630056ba00df97641926f9579b384a
SHA256cae7ef69cce550af020bfc474c6e035882383b022d63e926c52bd8c3ad1d78e4
SHA512f9c55f31b9466c412711462322c167aadb72492d70fe5fe89ab5500b86eae8f42de29bc3e469b3f73eab9dd47061b51410d5bee444da0bad719c94c897c59d72
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Filesize
9KB
MD58d8e6c7952a9dc7c0c73911c4dbc5518
SHA19098da03b33b2c822065b49d5220359c275d5e94
SHA256feb4c3ae4566f0acbb9e0f55417b61fefd89dc50a4e684df780813fb01d61278
SHA51291a573843c28dd32a9f31a60ba977f9a3d4bb19ffd1b7254333e09bcecef348c1b3220a348ebb2cb08edb57d56cb7737f026519da52199c9dc62c10aea236645
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82