Analysis
- max time kernel
41s - max time network
182s - platform
windows7_x64 - resource
win7v20210408 - submitted
02/10/2021, 17:51
Static task
static1
Behavioral task
behavioral1
Sample
a6996a62d5cba00ab36058f315c2fb44.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
a6996a62d5cba00ab36058f315c2fb44.exe
Resource
win10-en-20210920
General
- Target a6996a62d5cba00ab36058f315c2fb44.exe
- Size 259KB
- Sample211002-we54eaefhj
- SHA256 0091825486c2d7cfdee49e98c6795be8d32a7f50a68e0d33542b1f047fb7ed7a
- MD5 a6996a62d5cba00ab36058f315c2fb44
- SHA1 3354f3f786ab4f0387281041016c56500885e9ea
- SHA512 50f289b716f6e068ba276901e6dde2919a24b869efbf73ec5cb738b454dc2bb43ecca26de1c32bb3e8696128fd9279d35de23588504d29ac0e8c56c1f26fb4fd
- MD5 SHA1 SHA512
Malware Config
Extracted
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smokeloader
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2020
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http://fiskahlilian16.top/
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http://paishancho17.top/
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http://ydiannetter18.top/
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http://azarehanelle19.top/
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http://quericeriant20.top/
Extracted
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redline
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new
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91.245.253.52:38439
Extracted
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raccoon
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5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4
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url4cnc
https://t.me/agrybirdsgamerept
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 3 IoCs
resource yara_rule behavioral1/memory/1660-101-0x000000000041C5D6-mapping.dmp family_redline behavioral1/memory/1660-100-0x0000000000400000-0x0000000000422000-memory.dmp family_redline behavioral1/memory/1660-104-0x0000000000400000-0x0000000000422000-memory.dmp family_redline - SmokeLoader
Modular backdoor trojan in use since 2014.
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
- XMRig Miner Payload 2 IoCs
resource yara_rule behavioral1/memory/2244-167-0x0000000000230000-0x0000000000321000-memory.dmp xmrig behavioral1/memory/2244-171-0x00000000002C259C-mapping.dmp xmrig - Creates new service(s) 1 TTPs
- Downloads MZ/PE file
- Executes dropped EXE 12 IoCs
pid Process 1172 421E.exe 1384 4347.exe 1752 421E.exe 1952 4AE6.exe 1532 4DC4.exe 548 560F.exe 1660 4347.exe 1112 5DCD.exe 1732 ayiggwfv.exe 1676 6473.exe 1800 6FF8.exe 1668 797B.exe - Modifies Windows Firewall 1 TTPs
- Sets service image path in registry 2 TTPs
- Checks BIOS information in registry 2 TTPs 8 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 6473.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 4DC4.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 4DC4.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 560F.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 560F.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 5DCD.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 5DCD.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 6473.exe - Deletes itself 1 IoCs
pid Process 1212 Process not Found - Loads dropped DLL 4 IoCs
pid Process 1172 421E.exe 1384 4347.exe 1212 Process not Found 1264 Process not Found -
resource yara_rule behavioral1/files/0x00040000000130d3-84.dat themida behavioral1/memory/1532-87-0x00000000001C0000-0x00000000001C1000-memory.dmp themida behavioral1/files/0x00040000000130d6-95.dat themida behavioral1/memory/548-107-0x0000000000C80000-0x0000000000C81000-memory.dmp themida behavioral1/files/0x00040000000130d7-113.dat themida behavioral1/memory/1112-119-0x0000000000DD0000-0x0000000000DD1000-memory.dmp themida behavioral1/files/0x00040000000130d8-124.dat themida behavioral1/memory/1676-127-0x0000000000850000-0x0000000000851000-memory.dmp themida behavioral1/files/0x001800000000565b-149.dat themida behavioral1/memory/1668-183-0x00000000002A0000-0x00000000002A1000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 4DC4.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 560F.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 5DCD.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 6473.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 1532 4DC4.exe 548 560F.exe 1112 5DCD.exe 1676 6473.exe - Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 1120 set thread context of 1268 1120 a6996a62d5cba00ab36058f315c2fb44.exe 25 PID 1172 set thread context of 1752 1172 421E.exe 31 PID 1384 set thread context of 1660 1384 4347.exe 33 PID 1732 set thread context of 1620 1732 ayiggwfv.exe 55 - Launches sc.exe
Sc.exe is a Windows utlilty to control services on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 421E.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 421E.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 421E.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a6996a62d5cba00ab36058f315c2fb44.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a6996a62d5cba00ab36058f315c2fb44.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a6996a62d5cba00ab36058f315c2fb44.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1268 a6996a62d5cba00ab36058f315c2fb44.exe 1268 a6996a62d5cba00ab36058f315c2fb44.exe 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1268 a6996a62d5cba00ab36058f315c2fb44.exe 1752 421E.exe - Suspicious use of AdjustPrivilegeToken 19 IoCs
description pid Process Token: SeShutdownPrivilege 1212 Process not Found Token: SeShutdownPrivilege 1212 Process not Found Token: SeShutdownPrivilege 1212 Process not Found Token: SeShutdownPrivilege 1212 Process not Found Token: SeShutdownPrivilege 1212 Process not Found Token: SeShutdownPrivilege 1212 Process not Found Token: SeShutdownPrivilege 1212 Process not Found Token: SeShutdownPrivilege 1212 Process not Found Token: SeShutdownPrivilege 1212 Process not Found Token: SeShutdownPrivilege 1212 Process not Found Token: SeShutdownPrivilege 1212 Process not Found Token: SeDebugPrivilege 548 560F.exe Token: SeDebugPrivilege 1800 6FF8.exe Token: SeShutdownPrivilege 1212 Process not Found Token: SeDebugPrivilege 1532 4DC4.exe Token: SeDebugPrivilege 1660 4347.exe Token: SeDebugPrivilege 1952 powershell.exe Token: SeDebugPrivilege 1112 5DCD.exe Token: SeShutdownPrivilege 1212 Process not Found - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1212 Process not Found - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1120 wrote to memory of 1268 1120 a6996a62d5cba00ab36058f315c2fb44.exe 25 PID 1120 wrote to memory of 1268 1120 a6996a62d5cba00ab36058f315c2fb44.exe 25 PID 1120 wrote to memory of 1268 1120 a6996a62d5cba00ab36058f315c2fb44.exe 25 PID 1120 wrote to memory of 1268 1120 a6996a62d5cba00ab36058f315c2fb44.exe 25 PID 1120 wrote to memory of 1268 1120 a6996a62d5cba00ab36058f315c2fb44.exe 25 PID 1120 wrote to memory of 1268 1120 a6996a62d5cba00ab36058f315c2fb44.exe 25 PID 1120 wrote to memory of 1268 1120 a6996a62d5cba00ab36058f315c2fb44.exe 25 PID 1212 wrote to memory of 1172 1212 Process not Found 28 PID 1212 wrote to memory of 1172 1212 Process not Found 28 PID 1212 wrote to memory of 1172 1212 Process not Found 28 PID 1212 wrote to memory of 1172 1212 Process not Found 28 PID 1212 wrote to memory of 1384 1212 Process not Found 29 PID 1212 wrote to memory of 1384 1212 Process not Found 29 PID 1212 wrote to memory of 1384 1212 Process not Found 29 PID 1212 wrote to memory of 1384 1212 Process not Found 29 PID 1172 wrote to memory of 1752 1172 421E.exe 31 PID 1172 wrote to memory of 1752 1172 421E.exe 31 PID 1172 wrote to memory of 1752 1172 421E.exe 31 PID 1172 wrote to memory of 1752 1172 421E.exe 31 PID 1172 wrote to memory of 1752 1172 421E.exe 31 PID 1172 wrote to memory of 1752 1172 421E.exe 31 PID 1172 wrote to memory of 1752 1172 421E.exe 31 PID 1212 wrote to memory of 1952 1212 Process not Found 32 PID 1212 wrote to memory of 1952 1212 Process not Found 32 PID 1212 wrote to memory of 1952 1212 Process not Found 32 PID 1212 wrote to memory of 1952 1212 Process not Found 32 PID 1384 wrote to memory of 1660 1384 4347.exe 33 PID 1384 wrote to memory of 1660 1384 4347.exe 33 PID 1384 wrote to memory of 1660 1384 4347.exe 33 PID 1384 wrote to memory of 1660 1384 4347.exe 33 PID 1212 wrote to memory of 1532 1212 Process not Found 34 PID 1212 wrote to memory of 1532 1212 Process not Found 34 PID 1212 wrote to memory of 1532 1212 Process not Found 34 PID 1212 wrote to memory of 1532 1212 Process not Found 34 PID 1952 wrote to memory of 788 1952 4AE6.exe 36 PID 1952 wrote to memory of 788 1952 4AE6.exe 36 PID 1952 wrote to memory of 788 1952 4AE6.exe 36 PID 1952 wrote to memory of 788 1952 4AE6.exe 36 PID 1212 wrote to memory of 548 1212 Process not Found 38 PID 1212 wrote to memory of 548 1212 Process not Found 38 PID 1212 wrote to memory of 548 1212 Process not Found 38 PID 1212 wrote to memory of 548 1212 Process not Found 38 PID 1952 wrote to memory of 1044 1952 4AE6.exe 40 PID 1952 wrote to memory of 1044 1952 4AE6.exe 40 PID 1952 wrote to memory of 1044 1952 4AE6.exe 40 PID 1952 wrote to memory of 1044 1952 4AE6.exe 40 PID 1384 wrote to memory of 1660 1384 4347.exe 33 PID 1384 wrote to memory of 1660 1384 4347.exe 33 PID 1384 wrote to memory of 1660 1384 4347.exe 33 PID 1384 wrote to memory of 1660 1384 4347.exe 33 PID 1384 wrote to memory of 1660 1384 4347.exe 33 PID 1952 wrote to memory of 1832 1952 4AE6.exe 42 PID 1952 wrote to memory of 1832 1952 4AE6.exe 42 PID 1952 wrote to memory of 1832 1952 4AE6.exe 42 PID 1952 wrote to memory of 1832 1952 4AE6.exe 42 PID 1952 wrote to memory of 1848 1952 4AE6.exe 44 PID 1952 wrote to memory of 1848 1952 4AE6.exe 44 PID 1952 wrote to memory of 1848 1952 4AE6.exe 44 PID 1952 wrote to memory of 1848 1952 4AE6.exe 44 PID 1212 wrote to memory of 1112 1212 Process not Found 46 PID 1212 wrote to memory of 1112 1212 Process not Found 46 PID 1212 wrote to memory of 1112 1212 Process not Found 46 PID 1212 wrote to memory of 1112 1212 Process not Found 46 PID 1952 wrote to memory of 1748 1952 4AE6.exe 48
Processes
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C:\Users\Admin\AppData\Local\Temp\a6996a62d5cba00ab36058f315c2fb44.exe"C:\Users\Admin\AppData\Local\Temp\a6996a62d5cba00ab36058f315c2fb44.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1120 -
C:\Users\Admin\AppData\Local\Temp\a6996a62d5cba00ab36058f315c2fb44.exe"C:\Users\Admin\AppData\Local\Temp\a6996a62d5cba00ab36058f315c2fb44.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1268
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C:\Users\Admin\AppData\Local\Temp\421E.exeC:\Users\Admin\AppData\Local\Temp\421E.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1172 -
C:\Users\Admin\AppData\Local\Temp\421E.exeC:\Users\Admin\AppData\Local\Temp\421E.exe2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1752
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C:\Users\Admin\AppData\Local\Temp\4347.exeC:\Users\Admin\AppData\Local\Temp\4347.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1384 -
C:\Users\Admin\AppData\Local\Temp\4347.exeC:\Users\Admin\AppData\Local\Temp\4347.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1660
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C:\Users\Admin\AppData\Local\Temp\4AE6.exeC:\Users\Admin\AppData\Local\Temp\4AE6.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1952 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xglzrjvv\2⤵PID:788
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ayiggwfv.exe" C:\Windows\SysWOW64\xglzrjvv\2⤵PID:1044
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create xglzrjvv binPath= "C:\Windows\SysWOW64\xglzrjvv\ayiggwfv.exe /d\"C:\Users\Admin\AppData\Local\Temp\4AE6.exe\"" type= own start= auto DisplayName= "wifi support"2⤵PID:1832
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description xglzrjvv "wifi internet conection"2⤵PID:1848
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start xglzrjvv2⤵PID:1748
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C:\Windows\SysWOW64\netsh.exe"C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul2⤵PID:592
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C:\Users\Admin\AppData\Local\Temp\4DC4.exeC:\Users\Admin\AppData\Local\Temp\4DC4.exe1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:1532
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C:\Users\Admin\AppData\Local\Temp\560F.exeC:\Users\Admin\AppData\Local\Temp\560F.exe1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:548
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C:\Users\Admin\AppData\Local\Temp\5DCD.exeC:\Users\Admin\AppData\Local\Temp\5DCD.exe1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:1112
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C:\Windows\SysWOW64\xglzrjvv\ayiggwfv.exeC:\Windows\SysWOW64\xglzrjvv\ayiggwfv.exe /d"C:\Users\Admin\AppData\Local\Temp\4AE6.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:1732 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵PID:1620
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C:\Windows\SysWOW64\svchost.exesvchost.exe -o fastpool.xyz:10060 -u 9rLbTvsApFs3i3ojk5hDKicMNRQbxxFGwJA2hNC6NoZZDQN5tTFbhviFm4W3koxSrPg87Lnif7qxFYh9xpTJz1cT6B17Ph4.50000 -p x -k -a cn/half3⤵PID:2244
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C:\Users\Admin\AppData\Local\Temp\6473.exeC:\Users\Admin\AppData\Local\Temp\6473.exe1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:1676
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C:\Users\Admin\AppData\Local\Temp\6FF8.exeC:\Users\Admin\AppData\Local\Temp\6FF8.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1800 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-NetConnection -TraceRoute youtube.com2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1952
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-NetConnection -TraceRoute youtube.com2⤵PID:2412
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C:\Users\Admin\AppData\Local\Temp\6FF8.exeC:\Users\Admin\AppData\Local\Temp\6FF8.exe2⤵PID:2888
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C:\Users\Admin\AppData\Local\Temp\797B.exeC:\Users\Admin\AppData\Local\Temp\797B.exe1⤵
- Executes dropped EXE
PID:1668
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C:\Users\Admin\AppData\Local\Temp\8A6C.exeC:\Users\Admin\AppData\Local\Temp\8A6C.exe1⤵PID:592