Analysis
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max time kernel
142s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
15-06-2024 21:52
Static task
static1
Behavioral task
behavioral1
Sample
737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral2
Sample
737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe
Resource
win11-20240611-en
General
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Target
737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe
-
Size
5.6MB
-
MD5
3680843b1da7273e5a45aa4be317e13f
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SHA1
0f1609b1a2bdf5fd9023b61228bd6e8cab1af5d8
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SHA256
737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc
-
SHA512
f22cd60e5164d8ee994cd3196c272262c9c88f138e38668dd7f63369254d53c6564a702ff8ebc4997256608ebdf9be8314264653538276636537f38618fd8486
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SSDEEP
98304:mZHXKsVUZzKdcMgroILMWZLL8XFIYhC+m/1ic+fnQXI/0rc2VaAMq7xhgDWA8u:MadDMgrlLbn+FIYhCh/0Flr2bz3kHr
Malware Config
Extracted
socks5systemz
cemsfri.net
http://cemsfri.net/search/?q=67e28dd86f08f27d120eff4b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1fe8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff715c8e7919939
http://cemsfri.net/search/?q=67e28dd86f08f27d120eff4b7c27d78406abdd88be4b12eab517aa5c96bd86ef928044845a8bbc896c58e713bc90c94a36b5281fc235a925ed3e51d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9e33c56b9514
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1892-92-0x0000000002900000-0x00000000029A2000-memory.dmp family_socks5systemz behavioral1/memory/1892-116-0x0000000002900000-0x00000000029A2000-memory.dmp family_socks5systemz behavioral1/memory/1892-115-0x0000000002900000-0x00000000029A2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmpsvomediaplayer32.exesvomediaplayer32.exepid process 3668 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp 1600 svomediaplayer32.exe 1892 svomediaplayer32.exe -
Loads dropped DLL 3 IoCs
Processes:
737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmppid process 3668 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp 3668 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp 3668 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
description ioc Destination IP 91.211.247.248 -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmppid process 3668 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmpdescription pid process target process PID 2196 wrote to memory of 3668 2196 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp PID 2196 wrote to memory of 3668 2196 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp PID 2196 wrote to memory of 3668 2196 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp PID 3668 wrote to memory of 1600 3668 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp svomediaplayer32.exe PID 3668 wrote to memory of 1600 3668 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp svomediaplayer32.exe PID 3668 wrote to memory of 1600 3668 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp svomediaplayer32.exe PID 3668 wrote to memory of 1892 3668 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp svomediaplayer32.exe PID 3668 wrote to memory of 1892 3668 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp svomediaplayer32.exe PID 3668 wrote to memory of 1892 3668 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp svomediaplayer32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe"C:\Users\Admin\AppData\Local\Temp\737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-3GAHC.tmp\737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp"C:\Users\Admin\AppData\Local\Temp\is-3GAHC.tmp\737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp" /SL5="$90052,5636241,54272,C:\Users\Admin\AppData\Local\Temp\737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -s3⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exeFilesize
3.3MB
MD578cf60acba62a291521368797e9fc3dd
SHA19f37a3c6efc04bf546483919d19db3abd4ea5988
SHA256d589f2c67469c167c0abd9c6ac91949de6c732cc0c067331515add6f4dd8db25
SHA5127375f0c9dd71257bb92ae9a4721c1d20016bc3cba02ab07fc5ea3c9c1295edc65dfcb998e89fb09ce9db37ee6f47d4fc8e2c69ea0db652bfb8c19b29ea1f0caa
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C:\Users\Admin\AppData\Local\Temp\is-3GAHC.tmp\737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmpFilesize
680KB
MD54468da54a8b07613269ca5537be5e235
SHA19aded70f0853385c5561fa275a77508edae15111
SHA2560177788e41f30da5d5ac6c66c54fd51c8eac03a1eddc9deb5ff6aefff7821153
SHA5123b7c3a3bfe4e9ec20ba4d04d06270aa9e26a342bc806c092b37d6a97064c0c7b54f75c9242295f03899d1b5deac99b91480d0c4ba23a6bc33f3739f322279313
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C:\Users\Admin\AppData\Local\Temp\is-G76SJ.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-G76SJ.tmp\_isetup\_isdecmp.dllFilesize
13KB
MD5a813d18268affd4763dde940246dc7e5
SHA1c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
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memory/1600-66-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/1600-69-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/1600-71-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/1600-65-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/1892-77-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/1892-108-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/1892-123-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/1892-74-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/1892-120-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/1892-115-0x0000000002900000-0x00000000029A2000-memory.dmpFilesize
648KB
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memory/1892-116-0x0000000002900000-0x00000000029A2000-memory.dmpFilesize
648KB
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memory/1892-80-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/1892-83-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/1892-86-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/1892-89-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/1892-92-0x0000000002900000-0x00000000029A2000-memory.dmpFilesize
648KB
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memory/1892-96-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/1892-99-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/1892-102-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/1892-105-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/1892-114-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/1892-111-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/2196-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2196-75-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2196-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/3668-13-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/3668-76-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB