Analysis
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max time kernel
112s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02/08/2024, 22:58
Static task
static1
Behavioral task
behavioral1
Sample
14fd83efa15721e152b8f8fec9af80e0N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
14fd83efa15721e152b8f8fec9af80e0N.exe
Resource
win10v2004-20240802-en
General
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Target
14fd83efa15721e152b8f8fec9af80e0N.exe
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Size
4.7MB
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MD5
14fd83efa15721e152b8f8fec9af80e0
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SHA1
a48186400a0b77829d07950aff9dd797f5170f18
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SHA256
5c37bbaf5ef64b987f5e7d2e7ab5696b945ec6b2418e35e476354ed06974d0df
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SHA512
5326f0f6cd55cea30681882c5afb7fa309fa01234440916d3e49b0602459ac4428ef0137f8086f6815faebb8ebb31533102283d444c636b029f2da9bd52413f7
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SSDEEP
98304:NGj/8Ray4m1LcDZAbcBfFVRe2CRUp3nzwptcN9jbP7ixpq9sdo:YGa1m1LqWCfFVRU4C0vjiTN2
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral2/memory/860-85-0x0000000000B20000-0x0000000000BC2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1468 14fd83efa15721e152b8f8fec9af80e0N.tmp 880 directmidi2mp3converter.exe 860 directmidi2mp3converter.exe -
Loads dropped DLL 3 IoCs
pid Process 1468 14fd83efa15721e152b8f8fec9af80e0N.tmp 1468 14fd83efa15721e152b8f8fec9af80e0N.tmp 1468 14fd83efa15721e152b8f8fec9af80e0N.tmp -
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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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language directmidi2mp3converter.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 14fd83efa15721e152b8f8fec9af80e0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 14fd83efa15721e152b8f8fec9af80e0N.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language directmidi2mp3converter.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1468 14fd83efa15721e152b8f8fec9af80e0N.tmp 1468 14fd83efa15721e152b8f8fec9af80e0N.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1468 14fd83efa15721e152b8f8fec9af80e0N.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2932 wrote to memory of 1468 2932 14fd83efa15721e152b8f8fec9af80e0N.exe 84 PID 2932 wrote to memory of 1468 2932 14fd83efa15721e152b8f8fec9af80e0N.exe 84 PID 2932 wrote to memory of 1468 2932 14fd83efa15721e152b8f8fec9af80e0N.exe 84 PID 1468 wrote to memory of 880 1468 14fd83efa15721e152b8f8fec9af80e0N.tmp 85 PID 1468 wrote to memory of 880 1468 14fd83efa15721e152b8f8fec9af80e0N.tmp 85 PID 1468 wrote to memory of 880 1468 14fd83efa15721e152b8f8fec9af80e0N.tmp 85 PID 1468 wrote to memory of 860 1468 14fd83efa15721e152b8f8fec9af80e0N.tmp 86 PID 1468 wrote to memory of 860 1468 14fd83efa15721e152b8f8fec9af80e0N.tmp 86 PID 1468 wrote to memory of 860 1468 14fd83efa15721e152b8f8fec9af80e0N.tmp 86
Processes
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C:\Users\Admin\AppData\Local\Temp\14fd83efa15721e152b8f8fec9af80e0N.exe"C:\Users\Admin\AppData\Local\Temp\14fd83efa15721e152b8f8fec9af80e0N.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2932 -
C:\Users\Admin\AppData\Local\Temp\is-EAEMO.tmp\14fd83efa15721e152b8f8fec9af80e0N.tmp"C:\Users\Admin\AppData\Local\Temp\is-EAEMO.tmp\14fd83efa15721e152b8f8fec9af80e0N.tmp" /SL5="$90060,4634103,54272,C:\Users\Admin\AppData\Local\Temp\14fd83efa15721e152b8f8fec9af80e0N.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1468 -
C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\directmidi2mp3converter.exe"C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\directmidi2mp3converter.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:880
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C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\directmidi2mp3converter.exe"C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\directmidi2mp3converter.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:860
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4.3MB
MD5b39a7e7ca422d1ca0b74c51ca795eb0e
SHA1bfc6ee7f7b179ee16531a6a8eb0bf4399b53c867
SHA2568bf2fa2cd96a7c6fa873609f7716c55a98dd1b224873bce5263eb86f5896da8a
SHA51224a30ee12fbf77ab18fa4807e357b7194545078e1f6a87ed50ebc771e14bf7135558c5947cf2ba0026a2a3f20171ec0ac771cf7b2fd16913fe8198030e42e1bf
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Filesize
692KB
MD53762f8a096cfe22083d6c5b226263039
SHA1c827939ed24cd2100f22036407a18c03ba317082
SHA256747927b87649bc678fb189152989435985b60e8109975ebc88964e11451143be
SHA512be3fda17939e36ca1e53d3012dad7ce40322cdf1d7dd2caecf9726c6a5cede3e0d016bfa9c0d5b4f176c8a76903c73dd87825f97e7bb5f209611b42782698d63
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
13KB
MD5a813d18268affd4763dde940246dc7e5
SHA1c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4