Analysis
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max time kernel
293s -
max time network
256s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
17-06-2024 05:09
Static task
static1
Behavioral task
behavioral1
Sample
abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.exe
Resource
win10-20240404-en
General
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Target
abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.exe
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Size
4.8MB
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MD5
5becf01c4117b3ef5f9dc2b300d1a6cd
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SHA1
9cf9f489d76b68390eaa3abdcc8b5fc3aa780fab
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SHA256
abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d
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SHA512
5306b924d73146a9be69303cf6bce7620365d87922223dec1eb2df61cd53abe78ecb00de11d45336e18df391c018caa195a7831f3c4de31bc7e3f952437294eb
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SSDEEP
98304:m1MzvAmHb2DjMwHPuMacnSQii4FUMITFB0p8yqovQN33SkkQh:Qtm721vZSQixjIkqooN35r
Malware Config
Extracted
socks5systemz
bbdsore.com
http://bbdsore.com/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff717c0ee959933
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3808-83-0x0000000000800000-0x00000000008A2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.tmpm4atomp3freeconverter.exem4atomp3freeconverter.exepid process 3848 abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.tmp 3752 m4atomp3freeconverter.exe 3808 m4atomp3freeconverter.exe -
Loads dropped DLL 1 IoCs
Processes:
abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.tmppid process 3848 abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.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 141.98.234.31 -
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:
abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.tmppid process 3848 abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.exeabd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.tmpdescription pid process target process PID 4684 wrote to memory of 3848 4684 abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.exe abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.tmp PID 4684 wrote to memory of 3848 4684 abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.exe abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.tmp PID 4684 wrote to memory of 3848 4684 abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.exe abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.tmp PID 3848 wrote to memory of 3752 3848 abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.tmp m4atomp3freeconverter.exe PID 3848 wrote to memory of 3752 3848 abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.tmp m4atomp3freeconverter.exe PID 3848 wrote to memory of 3752 3848 abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.tmp m4atomp3freeconverter.exe PID 3848 wrote to memory of 3808 3848 abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.tmp m4atomp3freeconverter.exe PID 3848 wrote to memory of 3808 3848 abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.tmp m4atomp3freeconverter.exe PID 3848 wrote to memory of 3808 3848 abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.tmp m4atomp3freeconverter.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.exe"C:\Users\Admin\AppData\Local\Temp\abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-L3QJ3.tmp\abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.tmp"C:\Users\Admin\AppData\Local\Temp\is-L3QJ3.tmp\abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.tmp" /SL5="$E01E2,4789193,54272,C:\Users\Admin\AppData\Local\Temp\abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.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\M4A to MP3 Free Converter\m4atomp3freeconverter.exe"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.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\M4A to MP3 Free Converter\m4atomp3freeconverter.exeFilesize
2.9MB
MD55f6bf192e098a390da1debc6b3fcd89a
SHA1909cc1ea2cde20961759e7816391bc675d88f506
SHA25648fbe9f34785a6a4538d4db3f74826a21055af69fa04f434f6888f0dde1c4ab0
SHA512737cc0ed16ca878b5b65560723f7ca1f4d79abb90d9b403d8ebb887975f1795a2152c3c9334c098d495e03e31eea56ec74ff17f8f4bdb641af28abd358ac7311
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C:\Users\Admin\AppData\Local\Temp\is-L3QJ3.tmp\abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.tmpFilesize
680KB
MD5dafff71ba13e58daac2c21ed0ed54458
SHA1ec169d6088ee3a539030ef630164dae1dd7d9a80
SHA256167c4af51c1b261fc6bc53d7e4eab5cc5408ac4953518f1dcd129dbe62aca9fb
SHA512ecd2f14d391892f82efea278949c0a20367bec0eefef159ad44915d008b462ba0ffb5b00175c5b7f9b9e1f2779f9ed562eb39cf143dd9f44b550f96a7c9bc719
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\Users\Admin\AppData\Local\Temp\is-02UTS.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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memory/3752-59-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/3752-63-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/3752-60-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/3808-77-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/3808-93-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/3808-129-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/3808-124-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/3808-121-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/3808-68-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/3808-71-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/3808-74-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/3808-118-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/3808-80-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/3808-83-0x0000000000800000-0x00000000008A2000-memory.dmpFilesize
648KB
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memory/3808-85-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/3808-90-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/3808-115-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/3808-96-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/3808-99-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/3808-102-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/3808-105-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/3808-109-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/3808-112-0x0000000000400000-0x00000000006EE000-memory.dmpFilesize
2.9MB
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memory/3848-13-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/3848-67-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4684-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4684-66-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4684-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB