Analysis
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max time kernel
150s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
10-10-2023 22:22
Static task
static1
Behavioral task
behavioral1
Sample
bloodshed-dev-c_VWin-21.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
bloodshed-dev-c_VWin-21.exe
Resource
win10v2004-20230915-en
General
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Target
bloodshed-dev-c_VWin-21.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_VWin-21.tmpdescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\AVAST Software\Avast file_VWin-21.tmp Key opened \REGISTRY\MACHINE\SOFTWARE\AVAST Software\Avast file_VWin-21.tmp Key opened \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\AVAST Software\Avast file_VWin-21.tmp Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\AVG\AV\Dir file_VWin-21.tmp Key opened \REGISTRY\MACHINE\SOFTWARE\AVG\AV\Dir file_VWin-21.tmp Key opened \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\AVG\AV\Dir file_VWin-21.tmp -
Executes dropped EXE 3 IoCs
Processes:
bloodshed-dev-c_VWin-21.tmpfile_VWin-21.exefile_VWin-21.tmppid process 5004 bloodshed-dev-c_VWin-21.tmp 3976 file_VWin-21.exe 5116 file_VWin-21.tmp -
Loads dropped DLL 3 IoCs
Processes:
file_VWin-21.tmppid process 5116 file_VWin-21.tmp 5116 file_VWin-21.tmp 5116 file_VWin-21.tmp -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
file_VWin-21.tmpdescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 file_VWin-21.tmp Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ file_VWin-21.tmp -
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 46 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
file_VWin-21.tmppid process 5116 file_VWin-21.tmp 5116 file_VWin-21.tmp 5116 file_VWin-21.tmp 5116 file_VWin-21.tmp 5116 file_VWin-21.tmp 5116 file_VWin-21.tmp 5116 file_VWin-21.tmp 5116 file_VWin-21.tmp 5116 file_VWin-21.tmp 5116 file_VWin-21.tmp 5116 file_VWin-21.tmp 5116 file_VWin-21.tmp 5116 file_VWin-21.tmp 5116 file_VWin-21.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
bloodshed-dev-c_VWin-21.tmppid process 5004 bloodshed-dev-c_VWin-21.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
bloodshed-dev-c_VWin-21.exebloodshed-dev-c_VWin-21.tmpfile_VWin-21.exedescription pid process target process PID 3392 wrote to memory of 5004 3392 bloodshed-dev-c_VWin-21.exe bloodshed-dev-c_VWin-21.tmp PID 3392 wrote to memory of 5004 3392 bloodshed-dev-c_VWin-21.exe bloodshed-dev-c_VWin-21.tmp PID 3392 wrote to memory of 5004 3392 bloodshed-dev-c_VWin-21.exe bloodshed-dev-c_VWin-21.tmp PID 5004 wrote to memory of 3976 5004 bloodshed-dev-c_VWin-21.tmp file_VWin-21.exe PID 5004 wrote to memory of 3976 5004 bloodshed-dev-c_VWin-21.tmp file_VWin-21.exe PID 5004 wrote to memory of 3976 5004 bloodshed-dev-c_VWin-21.tmp file_VWin-21.exe PID 3976 wrote to memory of 5116 3976 file_VWin-21.exe file_VWin-21.tmp PID 3976 wrote to memory of 5116 3976 file_VWin-21.exe file_VWin-21.tmp PID 3976 wrote to memory of 5116 3976 file_VWin-21.exe file_VWin-21.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\bloodshed-dev-c_VWin-21.exe"C:\Users\Admin\AppData\Local\Temp\bloodshed-dev-c_VWin-21.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-7OU68.tmp\bloodshed-dev-c_VWin-21.tmp"C:\Users\Admin\AppData\Local\Temp\is-7OU68.tmp\bloodshed-dev-c_VWin-21.tmp" /SL5="$150226,831488,831488,C:\Users\Admin\AppData\Local\Temp\bloodshed-dev-c_VWin-21.exe"2⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-U9UG9.tmp\file_VWin-21.exe"C:\Users\Admin\AppData\Local\Temp\is-U9UG9.tmp\file_VWin-21.exe" /LANG=en /NA=Rh85hR643⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-NFH6L.tmp\file_VWin-21.tmp"C:\Users\Admin\AppData\Local\Temp\is-NFH6L.tmp\file_VWin-21.tmp" /SL5="$A0190,1559708,780800,C:\Users\Admin\AppData\Local\Temp\is-U9UG9.tmp\file_VWin-21.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-069QQ.tmp\Helper.dllFilesize
2.0MB
MD54eb0347e66fa465f602e52c03e5c0b4b
SHA1fdfedb72614d10766565b7f12ab87f1fdca3ea81
SHA256c73e53cbb7b98feafe27cc7de8fdad51df438e2235e91891461c5123888f73cc
SHA5124c909a451059628119f92b2f0c8bcd67b31f63b57d5339b6ce8fd930be5c9baf261339fdd9da820321be497df8889ce7594b7bfaadbaa43c694156651bf6c1fd
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C:\Users\Admin\AppData\Local\Temp\is-069QQ.tmp\botva2.dllFilesize
37KB
MD567965a5957a61867d661f05ae1f4773e
SHA1f14c0a4f154dc685bb7c65b2d804a02a0fb2360d
SHA256450b9b0ba25bf068afbc2b23d252585a19e282939bf38326384ea9112dfd0105
SHA512c6942818b9026dc5db2d62999d32cf99fe7289f79a28b8345af17acf9d13b2229a5e917a48ff1f6d59715bdbcb00c1625e0302abcfe10ca7e0475762e0a3f41b
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C:\Users\Admin\AppData\Local\Temp\is-069QQ.tmp\botva2.dllFilesize
37KB
MD567965a5957a61867d661f05ae1f4773e
SHA1f14c0a4f154dc685bb7c65b2d804a02a0fb2360d
SHA256450b9b0ba25bf068afbc2b23d252585a19e282939bf38326384ea9112dfd0105
SHA512c6942818b9026dc5db2d62999d32cf99fe7289f79a28b8345af17acf9d13b2229a5e917a48ff1f6d59715bdbcb00c1625e0302abcfe10ca7e0475762e0a3f41b
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C:\Users\Admin\AppData\Local\Temp\is-069QQ.tmp\mainlogo.pngFilesize
10KB
MD53cfc08eed85f8dae1d7b26788302d3ce
SHA148cb3a5fbff3864153360175d164907ad3899ebf
SHA256c398a1d12d1f10e137a682a8a2b138e57f4cd8944bcf57139ca693ef1dfb9936
SHA5125b8ffe3da108580e37b29d15c5153209c5681dff7f949e997fbded65167e3bf2975e19e4b33d8d18fd586625895210cc4667b367699e0022d2fe835666630bbe
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C:\Users\Admin\AppData\Local\Temp\is-7OU68.tmp\bloodshed-dev-c_VWin-21.tmpFilesize
3.0MB
MD50c229cd26910820581b5809c62fe5619
SHA128c0630385b21f29e3e2bcc34865e5d15726eaa0
SHA256abfa49a915d2e0a82561ca440365e6a2d59f228533b56a8f78addf000a1081b3
SHA512b8ff3dc65f7c0e03721572af738ec4886ba895dc70c1a41a3ce8c8abe0946d167cec71913017fd11d5892452db761ea88901a5a09a681ae779dd531edbb83a2a
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C:\Users\Admin\AppData\Local\Temp\is-NFH6L.tmp\file_VWin-21.tmpFilesize
2.9MB
MD5623a3abd7b318e1f410b1e12a42c7b71
SHA188e34041850ec4019dae469adc608e867b936d21
SHA256fe1a4555d18617532248d2eaa8d3fcc2c74182f994a964a62cf418295e8554d3
SHA5129afea88e4617e0f11416c2a2c416a6aa2d5d1f702d98d2cc223b399736191a6d002d1b717020ca6aae09e835c6356b7ddafad71e101dacab15967d89a105e391
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C:\Users\Admin\AppData\Local\Temp\is-U9UG9.tmp\file_VWin-21.exeFilesize
2.3MB
MD583e671ba3a242b33b3b65b1ac949f33b
SHA1d21d1e7de3112026500c29c3ec4db4dd0a83998e
SHA256b611b41f97a50270d881f52b15c3d13e0dad28cf664f46bbb2666a3d9403ca17
SHA512d7fa5f3822a66b1c58635ffc5a0dea6a5bae5028326d785894a6801c7eb3895e33fed22524e2a307f48a673424c62a5c76a405679ee89cfc855ca23e15ee1b42
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C:\Users\Admin\AppData\Local\Temp\is-U9UG9.tmp\file_VWin-21.exeFilesize
2.3MB
MD583e671ba3a242b33b3b65b1ac949f33b
SHA1d21d1e7de3112026500c29c3ec4db4dd0a83998e
SHA256b611b41f97a50270d881f52b15c3d13e0dad28cf664f46bbb2666a3d9403ca17
SHA512d7fa5f3822a66b1c58635ffc5a0dea6a5bae5028326d785894a6801c7eb3895e33fed22524e2a307f48a673424c62a5c76a405679ee89cfc855ca23e15ee1b42
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memory/3392-19-0x0000000000400000-0x00000000004D8000-memory.dmpFilesize
864KB
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memory/3392-51-0x0000000000400000-0x00000000004D8000-memory.dmpFilesize
864KB
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memory/3392-1-0x0000000000400000-0x00000000004D8000-memory.dmpFilesize
864KB
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memory/3976-52-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/3976-13-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/5004-49-0x0000000000400000-0x000000000071A000-memory.dmpFilesize
3.1MB
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memory/5004-6-0x0000000000A40000-0x0000000000A41000-memory.dmpFilesize
4KB
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memory/5004-31-0x0000000000400000-0x000000000071A000-memory.dmpFilesize
3.1MB
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memory/5004-20-0x0000000000A40000-0x0000000000A41000-memory.dmpFilesize
4KB
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memory/5116-43-0x0000000006240000-0x000000000624F000-memory.dmpFilesize
60KB
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memory/5116-22-0x0000000000870000-0x0000000000871000-memory.dmpFilesize
4KB
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memory/5116-53-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/5116-54-0x0000000006240000-0x000000000624F000-memory.dmpFilesize
60KB
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memory/5116-55-0x0000000000870000-0x0000000000871000-memory.dmpFilesize
4KB