Analysis
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max time kernel
293s -
max time network
250s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
20-06-2024 22:43
Static task
static1
Behavioral task
behavioral1
Sample
4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe
Resource
win10-20240404-en
General
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Target
4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe
-
Size
5.6MB
-
MD5
22421038cc9edadfba058173043f5421
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SHA1
43d4fadd5d2d0184a09775685e1812982e7a8a63
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SHA256
4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05
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SHA512
3fe5f55264061ff4ef2e6b66b9c80ec9209183e1dd8877547b2daa596d71e27b45be7fbf358155aefbef2e731bc26dd4b6c27c3c4539b1672ab2d7ba9456bd98
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SSDEEP
98304:mAJgAAgVw3giseKjNISco3ujkrJpB4/9Qh5qIGCnB5XUC/98g6Q9Db2fFx4MJRQn:BgA9w3vKBIS7uIBX7Hr6G0rPccx4
Malware Config
Extracted
socks5systemz
bfrnpye.com
http://bfrnpye.com/search/?q=67e28dd86a5ef62a130aa5197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f87fd12c4e791
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/840-95-0x0000000002600000-0x00000000026A2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
-
Executes dropped EXE 3 IoCs
Processes:
4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmpsvomediaplayer32.exesvomediaplayer32.exepid process 1676 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp 2616 svomediaplayer32.exe 840 svomediaplayer32.exe -
Loads dropped DLL 6 IoCs
Processes:
4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmppid process 2528 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe 1676 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp 1676 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp 1676 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp 1676 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp 1676 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.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:
4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmppid process 1676 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmpdescription pid process target process PID 2528 wrote to memory of 1676 2528 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp PID 2528 wrote to memory of 1676 2528 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp PID 2528 wrote to memory of 1676 2528 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp PID 2528 wrote to memory of 1676 2528 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp PID 2528 wrote to memory of 1676 2528 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp PID 2528 wrote to memory of 1676 2528 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp PID 2528 wrote to memory of 1676 2528 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp PID 1676 wrote to memory of 2616 1676 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp svomediaplayer32.exe PID 1676 wrote to memory of 2616 1676 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp svomediaplayer32.exe PID 1676 wrote to memory of 2616 1676 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp svomediaplayer32.exe PID 1676 wrote to memory of 2616 1676 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp svomediaplayer32.exe PID 1676 wrote to memory of 840 1676 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp svomediaplayer32.exe PID 1676 wrote to memory of 840 1676 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp svomediaplayer32.exe PID 1676 wrote to memory of 840 1676 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp svomediaplayer32.exe PID 1676 wrote to memory of 840 1676 4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp svomediaplayer32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe"C:\Users\Admin\AppData\Local\Temp\4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-7TBIU.tmp\4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp"C:\Users\Admin\AppData\Local\Temp\is-7TBIU.tmp\4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmp" /SL5="$400F4,5612463,54272,C:\Users\Admin\AppData\Local\Temp\4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.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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\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exeFilesize
3.3MB
MD5f307eaabdb5c728b616b8a9325854489
SHA146822f870691468c2ccaafbba547e6fe38c14069
SHA2567e6f6e05502b3f87d7f0c157793348cf1571ae2b2098ffd42ddde0db33ee393c
SHA512369cb953b8998825f1e4f41898dfda620fca8d0e251db5443e8b3e44bb602b16cb9d6cc3897521394ca84d11eb2de449698f869d1d8f27f5c571380877737ff7
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\Users\Admin\AppData\Local\Temp\is-7TBIU.tmp\4755fee796f6ac1c16f175e143f9e8bb1e1dbbd9e9725aef7f37d2d798937b05.tmpFilesize
680KB
MD54468da54a8b07613269ca5537be5e235
SHA19aded70f0853385c5561fa275a77508edae15111
SHA2560177788e41f30da5d5ac6c66c54fd51c8eac03a1eddc9deb5ff6aefff7821153
SHA5123b7c3a3bfe4e9ec20ba4d04d06270aa9e26a342bc806c092b37d6a97064c0c7b54f75c9242295f03899d1b5deac99b91480d0c4ba23a6bc33f3739f322279313
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\Users\Admin\AppData\Local\Temp\is-DJA4C.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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\Users\Admin\AppData\Local\Temp\is-DJA4C.tmp\_isetup\_isdecmp.dllFilesize
13KB
MD5a813d18268affd4763dde940246dc7e5
SHA1c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
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\Users\Admin\AppData\Local\Temp\is-DJA4C.tmp\_isetup\_shfoldr.dllFilesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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memory/840-113-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/840-85-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/840-140-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/840-120-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/840-135-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/840-132-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/840-129-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/840-74-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/840-116-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/840-126-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/840-78-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/840-110-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/840-82-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/840-123-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/840-88-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/840-91-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/840-94-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/840-95-0x0000000002600000-0x00000000026A2000-memory.dmpFilesize
648KB
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memory/840-101-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/840-104-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/840-107-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/1676-81-0x0000000003B60000-0x0000000003EA7000-memory.dmpFilesize
3.3MB
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memory/1676-77-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1676-9-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1676-66-0x0000000003B60000-0x0000000003EA7000-memory.dmpFilesize
3.3MB
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memory/2528-76-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2528-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/2528-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2616-72-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/2616-69-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB
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memory/2616-68-0x0000000000400000-0x0000000000747000-memory.dmpFilesize
3.3MB