Analysis
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max time kernel
292s -
max time network
297s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
20-06-2024 22:51
Static task
static1
Behavioral task
behavioral1
Sample
737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe
Resource
win10-20240404-en
General
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Target
737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe
-
Size
5.6MB
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MD5
3680843b1da7273e5a45aa4be317e13f
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SHA1
0f1609b1a2bdf5fd9023b61228bd6e8cab1af5d8
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SHA256
737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc
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SHA512
f22cd60e5164d8ee994cd3196c272262c9c88f138e38668dd7f63369254d53c6564a702ff8ebc4997256608ebdf9be8314264653538276636537f38618fd8486
-
SSDEEP
98304:mZHXKsVUZzKdcMgroILMWZLL8XFIYhC+m/1ic+fnQXI/0rc2VaAMq7xhgDWA8u:MadDMgrlLbn+FIYhCh/0Flr2bz3kHr
Malware Config
Extracted
socks5systemz
bvimcdp.com
http://bvimcdp.com/search/?q=67e28dd86c0ca77c400cfe4c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ec9c9d38
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4800-88-0x0000000002920000-0x00000000029C2000-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 1604 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp 3140 svomediaplayer32.exe 4800 svomediaplayer32.exe -
Loads dropped DLL 3 IoCs
Processes:
737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmppid process 1604 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp 1604 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp 1604 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.
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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 1604 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmpdescription pid process target process PID 1608 wrote to memory of 1604 1608 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp PID 1608 wrote to memory of 1604 1608 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp PID 1608 wrote to memory of 1604 1608 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp PID 1604 wrote to memory of 3140 1604 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp svomediaplayer32.exe PID 1604 wrote to memory of 3140 1604 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp svomediaplayer32.exe PID 1604 wrote to memory of 3140 1604 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp svomediaplayer32.exe PID 1604 wrote to memory of 4800 1604 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp svomediaplayer32.exe PID 1604 wrote to memory of 4800 1604 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp svomediaplayer32.exe PID 1604 wrote to memory of 4800 1604 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
PID:1608 -
C:\Users\Admin\AppData\Local\Temp\is-URF1P.tmp\737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp"C:\Users\Admin\AppData\Local\Temp\is-URF1P.tmp\737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp" /SL5="$1101F4,5636241,54272,C:\Users\Admin\AppData\Local\Temp\737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1604 -
C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -i3⤵
- Executes dropped EXE
PID:3140 -
C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -s3⤵
- Executes dropped EXE
PID:4800
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3.3MB
MD578cf60acba62a291521368797e9fc3dd
SHA19f37a3c6efc04bf546483919d19db3abd4ea5988
SHA256d589f2c67469c167c0abd9c6ac91949de6c732cc0c067331515add6f4dd8db25
SHA5127375f0c9dd71257bb92ae9a4721c1d20016bc3cba02ab07fc5ea3c9c1295edc65dfcb998e89fb09ce9db37ee6f47d4fc8e2c69ea0db652bfb8c19b29ea1f0caa
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C:\Users\Admin\AppData\Local\Temp\is-URF1P.tmp\737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
Filesize680KB
MD54468da54a8b07613269ca5537be5e235
SHA19aded70f0853385c5561fa275a77508edae15111
SHA2560177788e41f30da5d5ac6c66c54fd51c8eac03a1eddc9deb5ff6aefff7821153
SHA5123b7c3a3bfe4e9ec20ba4d04d06270aa9e26a342bc806c092b37d6a97064c0c7b54f75c9242295f03899d1b5deac99b91480d0c4ba23a6bc33f3739f322279313
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
13KB
MD5a813d18268affd4763dde940246dc7e5
SHA1c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4