Analysis
-
max time kernel
148s -
max time network
148s -
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 16:01
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
-
Target
Device/HarddiskVolume3/Users/Virtus/Downloads/teamviewer-for-remote-control_yU-iqt1.exe
-
Size
1.7MB
-
MD5
99a9fbd5fee72ce51585309390a46717
-
SHA1
ff39c56312090a909c2c0c82629c552a3b252a98
-
SHA256
833064195b0c96bce9a8c00dc95df6bd9fce1092c1260ba0e877810bfc44b0aa
-
SHA512
97f9a98fb48c8281818163d3dbe66fa246e1fe6a5a67f15175419992b0ca389cbe086e457177c21ce9c99ff05a1e0b508812cdf30220090a438dd8c94f73c6b7
-
SSDEEP
24576:R4nXubIQGyxbPV0db26Wmd0l4sv1Et9uGpckT52zedlq89Ws5uIzk5aM/phdO7:Rqe3f61mZSffPMWrQ0ZkA
Malware Config
Signatures
-
Downloads MZ/PE file
-
Checks for any installed AV software in registry 1 TTPs 6 IoCs
Processes:
file_yU-iqt1.tmpdescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\AVAST Software\Avast file_yU-iqt1.tmp Key opened \REGISTRY\USER\S-1-5-21-2415528079-3794552930-4264847036-1000\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-1-5-21-2415528079-3794552930-4264847036-1000\SOFTWARE\AVG\AV\Dir file_yU-iqt1.tmp Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\AVAST Software\Avast file_yU-iqt1.tmp -
Executes dropped EXE 3 IoCs
Processes:
teamviewer-for-remote-control_yU-iqt1.tmpfile_yU-iqt1.exefile_yU-iqt1.tmppid process 4596 teamviewer-for-remote-control_yU-iqt1.tmp 3628 file_yU-iqt1.exe 4792 file_yU-iqt1.tmp -
Loads dropped DLL 3 IoCs
Processes:
file_yU-iqt1.tmppid process 4792 file_yU-iqt1.tmp 4792 file_yU-iqt1.tmp 4792 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 44 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
file_yU-iqt1.tmppid process 4792 file_yU-iqt1.tmp 4792 file_yU-iqt1.tmp 4792 file_yU-iqt1.tmp 4792 file_yU-iqt1.tmp 4792 file_yU-iqt1.tmp 4792 file_yU-iqt1.tmp 4792 file_yU-iqt1.tmp 4792 file_yU-iqt1.tmp 4792 file_yU-iqt1.tmp 4792 file_yU-iqt1.tmp 4792 file_yU-iqt1.tmp 4792 file_yU-iqt1.tmp 4792 file_yU-iqt1.tmp 4792 file_yU-iqt1.tmp -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
svchost.exedescription pid process Token: SeManageVolumePrivilege 4560 svchost.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
teamviewer-for-remote-control_yU-iqt1.tmppid process 4596 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 1792 wrote to memory of 4596 1792 teamviewer-for-remote-control_yU-iqt1.exe teamviewer-for-remote-control_yU-iqt1.tmp PID 1792 wrote to memory of 4596 1792 teamviewer-for-remote-control_yU-iqt1.exe teamviewer-for-remote-control_yU-iqt1.tmp PID 1792 wrote to memory of 4596 1792 teamviewer-for-remote-control_yU-iqt1.exe teamviewer-for-remote-control_yU-iqt1.tmp PID 4596 wrote to memory of 3628 4596 teamviewer-for-remote-control_yU-iqt1.tmp file_yU-iqt1.exe PID 4596 wrote to memory of 3628 4596 teamviewer-for-remote-control_yU-iqt1.tmp file_yU-iqt1.exe PID 4596 wrote to memory of 3628 4596 teamviewer-for-remote-control_yU-iqt1.tmp file_yU-iqt1.exe PID 3628 wrote to memory of 4792 3628 file_yU-iqt1.exe file_yU-iqt1.tmp PID 3628 wrote to memory of 4792 3628 file_yU-iqt1.exe file_yU-iqt1.tmp PID 3628 wrote to memory of 4792 3628 file_yU-iqt1.exe file_yU-iqt1.tmp
Processes
-
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
-
C:\Users\Admin\AppData\Local\Temp\is-K621C.tmp\teamviewer-for-remote-control_yU-iqt1.tmp"C:\Users\Admin\AppData\Local\Temp\is-K621C.tmp\teamviewer-for-remote-control_yU-iqt1.tmp" /SL5="$C0042,831488,831488,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
-
C:\Users\Admin\AppData\Local\Temp\is-3SHTP.tmp\file_yU-iqt1.exe"C:\Users\Admin\AppData\Local\Temp\is-3SHTP.tmp\file_yU-iqt1.exe" /LANG=en /NA=Rh85hR643⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-DQF4L.tmp\file_yU-iqt1.tmp"C:\Users\Admin\AppData\Local\Temp\is-DQF4L.tmp\file_yU-iqt1.tmp" /SL5="$30228,1559708,780800,C:\Users\Admin\AppData\Local\Temp\is-3SHTP.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
-
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Comms\UnistoreDB\store.jfmFilesize
16KB
MD567a1d33be10f9b10948743bb1933a03e
SHA151f452cbc91e54f37c42651d3a2530ab059a3aa6
SHA256d227eb80e1974872b9bd6c40f9a124791dc547050bc8b9758b97a551ff0d2755
SHA512d8c398fe26e0fd49f88b04ddb1a8957a1daad7c6994e02d7761eda1730383f3a919f89033cb97c82c4bd39ebca2cbebc5ac6a34f19f6f63b1d3c1cb7ee2e43a2
-
C:\Users\Admin\AppData\Local\Temp\is-3SHTP.tmp\file_yU-iqt1.exeFilesize
2.3MB
MD53c25d85028d17210f5e892238404b6ac
SHA1f28ccb008645164e2e01231a165f33b028d67f0b
SHA256b4c3de293a16c523481902e66c4a26eae31d000de8f0b1f00d6d3ab6f2094f82
SHA51264d351b7ab3afeefc55ca1067e8eaae7a3bce116e25cc42f66eec1d93f5973bb7bc68584865e905077eb2dff4132e49d1b570f50d33ced6a1016f4f3b9d74d6f
-
C:\Users\Admin\AppData\Local\Temp\is-3SHTP.tmp\file_yU-iqt1.exeFilesize
2.3MB
MD53c25d85028d17210f5e892238404b6ac
SHA1f28ccb008645164e2e01231a165f33b028d67f0b
SHA256b4c3de293a16c523481902e66c4a26eae31d000de8f0b1f00d6d3ab6f2094f82
SHA51264d351b7ab3afeefc55ca1067e8eaae7a3bce116e25cc42f66eec1d93f5973bb7bc68584865e905077eb2dff4132e49d1b570f50d33ced6a1016f4f3b9d74d6f
-
C:\Users\Admin\AppData\Local\Temp\is-A3A59.tmp\Helper.dllFilesize
2.0MB
MD54eb0347e66fa465f602e52c03e5c0b4b
SHA1fdfedb72614d10766565b7f12ab87f1fdca3ea81
SHA256c73e53cbb7b98feafe27cc7de8fdad51df438e2235e91891461c5123888f73cc
SHA5124c909a451059628119f92b2f0c8bcd67b31f63b57d5339b6ce8fd930be5c9baf261339fdd9da820321be497df8889ce7594b7bfaadbaa43c694156651bf6c1fd
-
C:\Users\Admin\AppData\Local\Temp\is-A3A59.tmp\botva2.dllFilesize
37KB
MD567965a5957a61867d661f05ae1f4773e
SHA1f14c0a4f154dc685bb7c65b2d804a02a0fb2360d
SHA256450b9b0ba25bf068afbc2b23d252585a19e282939bf38326384ea9112dfd0105
SHA512c6942818b9026dc5db2d62999d32cf99fe7289f79a28b8345af17acf9d13b2229a5e917a48ff1f6d59715bdbcb00c1625e0302abcfe10ca7e0475762e0a3f41b
-
C:\Users\Admin\AppData\Local\Temp\is-A3A59.tmp\botva2.dllFilesize
37KB
MD567965a5957a61867d661f05ae1f4773e
SHA1f14c0a4f154dc685bb7c65b2d804a02a0fb2360d
SHA256450b9b0ba25bf068afbc2b23d252585a19e282939bf38326384ea9112dfd0105
SHA512c6942818b9026dc5db2d62999d32cf99fe7289f79a28b8345af17acf9d13b2229a5e917a48ff1f6d59715bdbcb00c1625e0302abcfe10ca7e0475762e0a3f41b
-
C:\Users\Admin\AppData\Local\Temp\is-DQF4L.tmp\file_yU-iqt1.tmpFilesize
2.9MB
MD5623a3abd7b318e1f410b1e12a42c7b71
SHA188e34041850ec4019dae469adc608e867b936d21
SHA256fe1a4555d18617532248d2eaa8d3fcc2c74182f994a964a62cf418295e8554d3
SHA5129afea88e4617e0f11416c2a2c416a6aa2d5d1f702d98d2cc223b399736191a6d002d1b717020ca6aae09e835c6356b7ddafad71e101dacab15967d89a105e391
-
C:\Users\Admin\AppData\Local\Temp\is-K621C.tmp\teamviewer-for-remote-control_yU-iqt1.tmpFilesize
3.0MB
MD50c229cd26910820581b5809c62fe5619
SHA128c0630385b21f29e3e2bcc34865e5d15726eaa0
SHA256abfa49a915d2e0a82561ca440365e6a2d59f228533b56a8f78addf000a1081b3
SHA512b8ff3dc65f7c0e03721572af738ec4886ba895dc70c1a41a3ce8c8abe0946d167cec71913017fd11d5892452db761ea88901a5a09a681ae779dd531edbb83a2a
-
memory/1792-7-0x0000000000400000-0x00000000004D8000-memory.dmpFilesize
864KB
-
memory/1792-1-0x0000000000400000-0x00000000004D8000-memory.dmpFilesize
864KB
-
memory/1792-48-0x0000000000400000-0x00000000004D8000-memory.dmpFilesize
864KB
-
memory/3628-16-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
-
memory/3628-49-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
-
memory/4560-72-0x000001B2C4140000-0x000001B2C4150000-memory.dmpFilesize
64KB
-
memory/4560-88-0x000001B2C4240000-0x000001B2C4250000-memory.dmpFilesize
64KB
-
memory/4596-9-0x0000000000880000-0x0000000000881000-memory.dmpFilesize
4KB
-
memory/4596-6-0x0000000000880000-0x0000000000881000-memory.dmpFilesize
4KB
-
memory/4596-8-0x0000000000400000-0x000000000071A000-memory.dmpFilesize
3.1MB
-
memory/4596-45-0x0000000000400000-0x000000000071A000-memory.dmpFilesize
3.1MB
-
memory/4596-46-0x0000000000400000-0x000000000071A000-memory.dmpFilesize
3.1MB
-
memory/4792-22-0x00000000008B0000-0x00000000008B1000-memory.dmpFilesize
4KB
-
memory/4792-52-0x00000000008B0000-0x00000000008B1000-memory.dmpFilesize
4KB
-
memory/4792-51-0x0000000003EF0000-0x0000000003EFF000-memory.dmpFilesize
60KB
-
memory/4792-50-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
-
memory/4792-42-0x0000000003EF0000-0x0000000003EFF000-memory.dmpFilesize
60KB