Analysis
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max time kernel
294s -
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
25-04-2024 00:43
Static task
static1
Behavioral task
behavioral1
Sample
04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe
Resource
win10-20240404-en
General
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Target
04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe
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Size
3.7MB
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MD5
f375e082326990558480fb34cfe991ed
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SHA1
17de935d0af3d942947cc32dc2218a3fa6402398
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SHA256
04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333
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SHA512
31e1a7f5ef4a34986deee02e0f026dbb48f772db27d9244e219d16bc727096c9f3faa3899f8a23e19df53aae48b731a3f194ba33e11f14a42eb7497eaa1249ee
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SSDEEP
98304:u1hEIb6OvnTw1Chl/aShN5qt+4IDQyLzqLcwfFPCc5H3lcToNN:GlmOvnTwkl7b5qs44Ti7fFPCc93lmA
Malware Config
Extracted
socks5systemz
http://csuxrre.net/search/?q=67e28dd86b55f62e435ba9187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978a371ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ffb11c0ea9c9a3b
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/3992-89-0x00000000008E0000-0x0000000000982000-memory.dmp family_socks5systemz behavioral2/memory/3992-91-0x00000000008E0000-0x0000000000982000-memory.dmp family_socks5systemz behavioral2/memory/3992-100-0x00000000008E0000-0x0000000000982000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmpmusicbee32.exemusicbee32.exepid process 4340 04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp 2396 musicbee32.exe 3992 musicbee32.exe -
Loads dropped DLL 1 IoCs
Processes:
04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmppid process 4340 04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.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 152.89.198.214 -
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 WriteProcessMemory 9 IoCs
Processes:
04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmpdescription pid process target process PID 2176 wrote to memory of 4340 2176 04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe 04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp PID 2176 wrote to memory of 4340 2176 04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe 04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp PID 2176 wrote to memory of 4340 2176 04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe 04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp PID 4340 wrote to memory of 2396 4340 04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp musicbee32.exe PID 4340 wrote to memory of 2396 4340 04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp musicbee32.exe PID 4340 wrote to memory of 2396 4340 04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp musicbee32.exe PID 4340 wrote to memory of 3992 4340 04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp musicbee32.exe PID 4340 wrote to memory of 3992 4340 04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp musicbee32.exe PID 4340 wrote to memory of 3992 4340 04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp musicbee32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe"C:\Users\Admin\AppData\Local\Temp\04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2176 -
C:\Users\Admin\AppData\Local\Temp\is-4N1F9.tmp\04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp"C:\Users\Admin\AppData\Local\Temp\is-4N1F9.tmp\04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp" /SL5="$A01E4,3670827,53248,C:\Users\Admin\AppData\Local\Temp\04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4340 -
C:\Users\Admin\AppData\Local\MusicBee\musicbee32.exe"C:\Users\Admin\AppData\Local\MusicBee\musicbee32.exe" -i3⤵
- Executes dropped EXE
PID:2396 -
C:\Users\Admin\AppData\Local\MusicBee\musicbee32.exe"C:\Users\Admin\AppData\Local\MusicBee\musicbee32.exe" -s3⤵
- Executes dropped EXE
PID:3992
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\MusicBee\musicbee32.exeFilesize
2.2MB
MD51416dc6ef2e4a5ba6d1b719892555f34
SHA19fbb30c52f33b2bdea56c92d5278f12bdcf02f5f
SHA2565e22b37a669c988532dd1728646c890cd93b2b6ef07771eedb6b07e346fd71b0
SHA51292c7969c550684650b9b373b35105705ac08d8e8f5fb48c045a597ac623654d8dd3ff4d0dd942f3bbccd637d71437adeb1c6417fa8274b9978737f4dfa1fbc1d
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C:\Users\Admin\AppData\Local\Temp\is-4N1F9.tmp\04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmpFilesize
669KB
MD58ea68e4190207a773b7aaa60a74c952c
SHA16897d342e21110c9d155f2eb40b59b76d069c093
SHA25620558b900bb7d2bb792c23550e7a5e7595308d2948352ddec54ca0ca806c6e53
SHA5128909ff57b616b4439c7ae8da54aa15dfbfde97978083ff1c1fc729daa02ca8ad02e200bc65bb509e31deba8cd7094c9d62e9ac442cc836a54e9b2be4be7d697f
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\Users\Admin\AppData\Local\Temp\is-HDTQG.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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memory/2176-69-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2176-2-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2176-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2396-59-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/2396-60-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/2396-64-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/3992-82-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/3992-91-0x00000000008E0000-0x0000000000982000-memory.dmpFilesize
648KB
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memory/3992-136-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/3992-66-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/3992-71-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/3992-131-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/3992-75-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/3992-76-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/3992-79-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/3992-128-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/3992-85-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/3992-89-0x00000000008E0000-0x0000000000982000-memory.dmpFilesize
648KB
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memory/3992-88-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/3992-68-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/3992-96-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/3992-99-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/3992-100-0x00000000008E0000-0x0000000000982000-memory.dmpFilesize
648KB
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memory/3992-103-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/3992-106-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/3992-109-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/3992-112-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/3992-116-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/3992-119-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/3992-122-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/3992-125-0x0000000000400000-0x0000000000637000-memory.dmpFilesize
2.2MB
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memory/4340-10-0x00000000001F0000-0x00000000001F1000-memory.dmpFilesize
4KB
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memory/4340-72-0x00000000001F0000-0x00000000001F1000-memory.dmpFilesize
4KB
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memory/4340-70-0x0000000000400000-0x00000000004B6000-memory.dmpFilesize
728KB