Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
13/05/2024, 13:16
Static task
static1
Behavioral task
behavioral1
Sample
aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.exe
Resource
win11-20240419-en
General
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Target
aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.exe
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Size
5.1MB
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MD5
6800104620c314a1cb68080362eb8857
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SHA1
10b6a15e6338559e0b84353863961ee7af4fb22a
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SHA256
aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa
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SHA512
d7ff23e6b601c661f6714da56e9dbf4eb8cd228aa5ce62776794ecf50537be5490cc413331729b50c01184799530644b90c922bbe80cba44be71008968d37805
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SSDEEP
98304:N915R0LZrjMfiYaIz1SXwNTX1PfCt/U7mTcZBTtvtQo2x9vY/vBq:ND0LZrwfiYfbTkges/lq9vgvM
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral1/memory/2784-91-0x0000000002450000-0x00000000024F2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 4744 aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.tmp 944 voicemod32.exe 2784 voicemod32.exe -
Loads dropped DLL 3 IoCs
pid Process 4744 aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.tmp 4744 aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.tmp 4744 aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 45.155.250.90 -
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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Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2000 wrote to memory of 4744 2000 aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.exe 83 PID 2000 wrote to memory of 4744 2000 aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.exe 83 PID 2000 wrote to memory of 4744 2000 aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.exe 83 PID 4744 wrote to memory of 944 4744 aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.tmp 84 PID 4744 wrote to memory of 944 4744 aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.tmp 84 PID 4744 wrote to memory of 944 4744 aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.tmp 84 PID 4744 wrote to memory of 2784 4744 aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.tmp 85 PID 4744 wrote to memory of 2784 4744 aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.tmp 85 PID 4744 wrote to memory of 2784 4744 aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.tmp 85
Processes
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C:\Users\Admin\AppData\Local\Temp\aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.exe"C:\Users\Admin\AppData\Local\Temp\aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Users\Admin\AppData\Local\Temp\is-GA8HS.tmp\aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.tmp"C:\Users\Admin\AppData\Local\Temp\is-GA8HS.tmp\aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.tmp" /SL5="$7005E,5125098,54272,C:\Users\Admin\AppData\Local\Temp\aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4744 -
C:\Users\Admin\AppData\Local\Voicemod\voicemod32.exe"C:\Users\Admin\AppData\Local\Voicemod\voicemod32.exe" -i3⤵
- Executes dropped EXE
PID:944
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C:\Users\Admin\AppData\Local\Voicemod\voicemod32.exe"C:\Users\Admin\AppData\Local\Voicemod\voicemod32.exe" -s3⤵
- Executes dropped EXE
PID:2784
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
13KB
MD5a813d18268affd4763dde940246dc7e5
SHA1c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
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C:\Users\Admin\AppData\Local\Temp\is-GA8HS.tmp\aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.tmp
Filesize696KB
MD5d260617c076409788e1d3f1de1565f24
SHA195b4ee43e0855bd522703a0d100670d79868dd27
SHA25612ac4fcc396e4758253df1fdaa2f8fd0970045bd322a94edb3e9b74b3c23e508
SHA512cca8e2dca90b99c73a6ca22f1a22dcb7bbe57c4ef850f5390aa6e68a620b65d210848a26666f86b61d2aebb2fdfbea4f986c672d67b145d8a72d90d02d498e78
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Filesize
1.9MB
MD5876a839023b8f962a72d295da7495734
SHA162a7728679bc18784b1fbf1d013f7cece18cbec9
SHA256a757d773da406411fb977761f6e56f016d48d224aedaf3d875ed4d4a9ede6158
SHA512e1b23a2f5ec0100ff874ca075bbd0f90e9065a90fec66861f99df603d7aaa9db8e8ec326710fdc11ad41d01befe4ea3077136127acf613614d0d12ff23bec6c1
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Filesize
2.1MB
MD5a19c978df089c643eb5e32b5839f6f20
SHA1286d67a390d01339b7c9fb9280b6e449e8200b86
SHA25616e7de61eb306fe961dd629ce8b943a80e4ab9d141adfe0a656002cf934f61a0
SHA512a5ede66a86a40aa05e1ba823ad96931036176d90c1ce131521c0054bc87f5b6b11e8d5b9647901efb3bfae0c8ba781995e5b52bf1ed54a962890351ee29d9e21