Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20230831-en -
resource tags
arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system -
submitted
13-09-2023 15:20
Static task
static1
Behavioral task
behavioral1
Sample
Device/HarddiskVolume3/Users/Virtus/Downloads/teamviewer-for-remote-control_yU-iqt1.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Device/HarddiskVolume3/Users/Virtus/Downloads/teamviewer-for-remote-control_yU-iqt1.exe
Resource
win10v2004-20230831-en
General
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Target
Device/HarddiskVolume3/Users/Virtus/Downloads/teamviewer-for-remote-control_yU-iqt1.exe
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Size
1.7MB
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MD5
99a9fbd5fee72ce51585309390a46717
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SHA1
ff39c56312090a909c2c0c82629c552a3b252a98
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SHA256
833064195b0c96bce9a8c00dc95df6bd9fce1092c1260ba0e877810bfc44b0aa
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SHA512
97f9a98fb48c8281818163d3dbe66fa246e1fe6a5a67f15175419992b0ca389cbe086e457177c21ce9c99ff05a1e0b508812cdf30220090a438dd8c94f73c6b7
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SSDEEP
24576:R4nXubIQGyxbPV0db26Wmd0l4sv1Et9uGpckT52zedlq89Ws5uIzk5aM/phdO7:Rqe3f61mZSffPMWrQ0ZkA
Malware Config
Signatures
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Downloads MZ/PE file
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Checks for any installed AV software in registry 1 TTPs 6 IoCs
Processes:
file_yU-iqt1.tmpdescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\AVAST Software\Avast file_yU-iqt1.tmp Key opened \REGISTRY\MACHINE\SOFTWARE\AVAST Software\Avast file_yU-iqt1.tmp Key opened \REGISTRY\USER\S-1-5-21-2474409663-2236862430-1045297337-1000\SOFTWARE\AVAST Software\Avast file_yU-iqt1.tmp Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\AVG\AV\Dir file_yU-iqt1.tmp Key opened \REGISTRY\MACHINE\SOFTWARE\AVG\AV\Dir file_yU-iqt1.tmp Key opened \REGISTRY\USER\S-1-5-21-2474409663-2236862430-1045297337-1000\SOFTWARE\AVG\AV\Dir file_yU-iqt1.tmp -
Executes dropped EXE 3 IoCs
Processes:
teamviewer-for-remote-control_yU-iqt1.tmpfile_yU-iqt1.exefile_yU-iqt1.tmppid process 4320 teamviewer-for-remote-control_yU-iqt1.tmp 1532 file_yU-iqt1.exe 1108 file_yU-iqt1.tmp -
Loads dropped DLL 3 IoCs
Processes:
file_yU-iqt1.tmppid process 1108 file_yU-iqt1.tmp 1108 file_yU-iqt1.tmp 1108 file_yU-iqt1.tmp -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
file_yU-iqt1.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 file_yU-iqt1.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ file_yU-iqt1.tmp -
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 38 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
file_yU-iqt1.tmppid process 1108 file_yU-iqt1.tmp 1108 file_yU-iqt1.tmp 1108 file_yU-iqt1.tmp 1108 file_yU-iqt1.tmp 1108 file_yU-iqt1.tmp 1108 file_yU-iqt1.tmp 1108 file_yU-iqt1.tmp 1108 file_yU-iqt1.tmp 1108 file_yU-iqt1.tmp 1108 file_yU-iqt1.tmp 1108 file_yU-iqt1.tmp 1108 file_yU-iqt1.tmp 1108 file_yU-iqt1.tmp 1108 file_yU-iqt1.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
teamviewer-for-remote-control_yU-iqt1.tmppid process 4320 teamviewer-for-remote-control_yU-iqt1.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
teamviewer-for-remote-control_yU-iqt1.exeteamviewer-for-remote-control_yU-iqt1.tmpfile_yU-iqt1.exedescription pid process target process PID 3476 wrote to memory of 4320 3476 teamviewer-for-remote-control_yU-iqt1.exe teamviewer-for-remote-control_yU-iqt1.tmp PID 3476 wrote to memory of 4320 3476 teamviewer-for-remote-control_yU-iqt1.exe teamviewer-for-remote-control_yU-iqt1.tmp PID 3476 wrote to memory of 4320 3476 teamviewer-for-remote-control_yU-iqt1.exe teamviewer-for-remote-control_yU-iqt1.tmp PID 4320 wrote to memory of 1532 4320 teamviewer-for-remote-control_yU-iqt1.tmp file_yU-iqt1.exe PID 4320 wrote to memory of 1532 4320 teamviewer-for-remote-control_yU-iqt1.tmp file_yU-iqt1.exe PID 4320 wrote to memory of 1532 4320 teamviewer-for-remote-control_yU-iqt1.tmp file_yU-iqt1.exe PID 1532 wrote to memory of 1108 1532 file_yU-iqt1.exe file_yU-iqt1.tmp PID 1532 wrote to memory of 1108 1532 file_yU-iqt1.exe file_yU-iqt1.tmp PID 1532 wrote to memory of 1108 1532 file_yU-iqt1.exe file_yU-iqt1.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\Virtus\Downloads\teamviewer-for-remote-control_yU-iqt1.exe"C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\Virtus\Downloads\teamviewer-for-remote-control_yU-iqt1.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-8BNFG.tmp\teamviewer-for-remote-control_yU-iqt1.tmp"C:\Users\Admin\AppData\Local\Temp\is-8BNFG.tmp\teamviewer-for-remote-control_yU-iqt1.tmp" /SL5="$9011C,831488,831488,C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\Virtus\Downloads\teamviewer-for-remote-control_yU-iqt1.exe"2⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-PABGP.tmp\file_yU-iqt1.exe"C:\Users\Admin\AppData\Local\Temp\is-PABGP.tmp\file_yU-iqt1.exe" /LANG=en /NA=Rh85hR643⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-U3H79.tmp\file_yU-iqt1.tmp"C:\Users\Admin\AppData\Local\Temp\is-U3H79.tmp\file_yU-iqt1.tmp" /SL5="$8004A,1559708,780800,C:\Users\Admin\AppData\Local\Temp\is-PABGP.tmp\file_yU-iqt1.exe" /LANG=en /NA=Rh85hR644⤵
- Checks for any installed AV software in registry
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\is-8BNFG.tmp\teamviewer-for-remote-control_yU-iqt1.tmpFilesize
3.0MB
MD50c229cd26910820581b5809c62fe5619
SHA128c0630385b21f29e3e2bcc34865e5d15726eaa0
SHA256abfa49a915d2e0a82561ca440365e6a2d59f228533b56a8f78addf000a1081b3
SHA512b8ff3dc65f7c0e03721572af738ec4886ba895dc70c1a41a3ce8c8abe0946d167cec71913017fd11d5892452db761ea88901a5a09a681ae779dd531edbb83a2a
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C:\Users\Admin\AppData\Local\Temp\is-AR5FS.tmp\Helper.dllFilesize
2.0MB
MD54eb0347e66fa465f602e52c03e5c0b4b
SHA1fdfedb72614d10766565b7f12ab87f1fdca3ea81
SHA256c73e53cbb7b98feafe27cc7de8fdad51df438e2235e91891461c5123888f73cc
SHA5124c909a451059628119f92b2f0c8bcd67b31f63b57d5339b6ce8fd930be5c9baf261339fdd9da820321be497df8889ce7594b7bfaadbaa43c694156651bf6c1fd
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C:\Users\Admin\AppData\Local\Temp\is-AR5FS.tmp\botva2.dllFilesize
37KB
MD567965a5957a61867d661f05ae1f4773e
SHA1f14c0a4f154dc685bb7c65b2d804a02a0fb2360d
SHA256450b9b0ba25bf068afbc2b23d252585a19e282939bf38326384ea9112dfd0105
SHA512c6942818b9026dc5db2d62999d32cf99fe7289f79a28b8345af17acf9d13b2229a5e917a48ff1f6d59715bdbcb00c1625e0302abcfe10ca7e0475762e0a3f41b
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C:\Users\Admin\AppData\Local\Temp\is-AR5FS.tmp\botva2.dllFilesize
37KB
MD567965a5957a61867d661f05ae1f4773e
SHA1f14c0a4f154dc685bb7c65b2d804a02a0fb2360d
SHA256450b9b0ba25bf068afbc2b23d252585a19e282939bf38326384ea9112dfd0105
SHA512c6942818b9026dc5db2d62999d32cf99fe7289f79a28b8345af17acf9d13b2229a5e917a48ff1f6d59715bdbcb00c1625e0302abcfe10ca7e0475762e0a3f41b
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C:\Users\Admin\AppData\Local\Temp\is-PABGP.tmp\file_yU-iqt1.exeFilesize
2.3MB
MD53c25d85028d17210f5e892238404b6ac
SHA1f28ccb008645164e2e01231a165f33b028d67f0b
SHA256b4c3de293a16c523481902e66c4a26eae31d000de8f0b1f00d6d3ab6f2094f82
SHA51264d351b7ab3afeefc55ca1067e8eaae7a3bce116e25cc42f66eec1d93f5973bb7bc68584865e905077eb2dff4132e49d1b570f50d33ced6a1016f4f3b9d74d6f
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C:\Users\Admin\AppData\Local\Temp\is-PABGP.tmp\file_yU-iqt1.exeFilesize
2.3MB
MD53c25d85028d17210f5e892238404b6ac
SHA1f28ccb008645164e2e01231a165f33b028d67f0b
SHA256b4c3de293a16c523481902e66c4a26eae31d000de8f0b1f00d6d3ab6f2094f82
SHA51264d351b7ab3afeefc55ca1067e8eaae7a3bce116e25cc42f66eec1d93f5973bb7bc68584865e905077eb2dff4132e49d1b570f50d33ced6a1016f4f3b9d74d6f
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C:\Users\Admin\AppData\Local\Temp\is-U3H79.tmp\file_yU-iqt1.tmpFilesize
2.9MB
MD5623a3abd7b318e1f410b1e12a42c7b71
SHA188e34041850ec4019dae469adc608e867b936d21
SHA256fe1a4555d18617532248d2eaa8d3fcc2c74182f994a964a62cf418295e8554d3
SHA5129afea88e4617e0f11416c2a2c416a6aa2d5d1f702d98d2cc223b399736191a6d002d1b717020ca6aae09e835c6356b7ddafad71e101dacab15967d89a105e391
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memory/1108-40-0x00000000063A0000-0x00000000063AF000-memory.dmpFilesize
60KB
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memory/1108-19-0x00000000008C0000-0x00000000008C1000-memory.dmpFilesize
4KB
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memory/1108-51-0x00000000008C0000-0x00000000008C1000-memory.dmpFilesize
4KB
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memory/1108-50-0x00000000063A0000-0x00000000063AF000-memory.dmpFilesize
60KB
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memory/1108-49-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/1532-48-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/1532-13-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/3476-47-0x0000000000400000-0x00000000004D8000-memory.dmpFilesize
864KB
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memory/3476-1-0x0000000000400000-0x00000000004D8000-memory.dmpFilesize
864KB
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memory/3476-28-0x0000000000400000-0x00000000004D8000-memory.dmpFilesize
864KB
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memory/4320-43-0x0000000000D30000-0x0000000000D31000-memory.dmpFilesize
4KB
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memory/4320-44-0x0000000000400000-0x000000000071A000-memory.dmpFilesize
3.1MB
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memory/4320-45-0x0000000000400000-0x000000000071A000-memory.dmpFilesize
3.1MB
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memory/4320-6-0x0000000000D30000-0x0000000000D31000-memory.dmpFilesize
4KB