Analysis
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max time kernel
147s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-06-2024 01:00
Static task
static1
Behavioral task
behavioral1
Sample
27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.exe
Resource
win11-20240419-en
General
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Target
27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.exe
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Size
5.0MB
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MD5
72e9a5e9c7a4ab7b2808ccfff3724800
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SHA1
52e00e8426659bf0254ad37efcd635748733bc70
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SHA256
27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d
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SHA512
bc83faae57edd7c6dbb833c7f99ab08e8ce3ed46fa9592c39b79a71cb28c8ab8a1829175e557830583d1585993db6b7c0ecc38bf1a80016cd2b3bbf308e8539a
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SSDEEP
98304:mnEhhQ0CkErOO34gteQED1eNnz66A3763zZiDKXcHICsqRvP+wy+bXsk:JhhQ0CkErOy7SkzS3+jXAkgvyC8k
Malware Config
Extracted
socks5systemz
ezalebr.ua
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2748-88-0x0000000000A20000-0x0000000000AC2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.tmpaudialstunebite32_64.exeaudialstunebite32_64.exepid process 700 27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.tmp 336 audialstunebite32_64.exe 2748 audialstunebite32_64.exe -
Loads dropped DLL 1 IoCs
Processes:
27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.tmppid process 700 27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.tmp -
Unexpected DNS network traffic destination 3 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 Destination IP 152.89.198.214 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:
27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.tmppid process 700 27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.exe27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.tmpdescription pid process target process PID 3312 wrote to memory of 700 3312 27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.exe 27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.tmp PID 3312 wrote to memory of 700 3312 27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.exe 27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.tmp PID 3312 wrote to memory of 700 3312 27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.exe 27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.tmp PID 700 wrote to memory of 336 700 27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.tmp audialstunebite32_64.exe PID 700 wrote to memory of 336 700 27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.tmp audialstunebite32_64.exe PID 700 wrote to memory of 336 700 27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.tmp audialstunebite32_64.exe PID 700 wrote to memory of 2748 700 27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.tmp audialstunebite32_64.exe PID 700 wrote to memory of 2748 700 27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.tmp audialstunebite32_64.exe PID 700 wrote to memory of 2748 700 27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.tmp audialstunebite32_64.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.exe"C:\Users\Admin\AppData\Local\Temp\27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3312 -
C:\Users\Admin\AppData\Local\Temp\is-GVPPA.tmp\27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.tmp"C:\Users\Admin\AppData\Local\Temp\is-GVPPA.tmp\27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.tmp" /SL5="$4020E,5041087,54272,C:\Users\Admin\AppData\Local\Temp\27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:700 -
C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe" -i3⤵
- Executes dropped EXE
PID:336 -
C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe" -s3⤵
- Executes dropped EXE
PID:2748
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exeFilesize
2.6MB
MD567c8429120752e142f21afb3be0e77e6
SHA1e7a97f866aaa2502a27a33fbacc231c62014589c
SHA256860afa1238caff338048d57540d5627c340b2654580b33cc691ef9c3d0143885
SHA5126447c2cb899a1258b29b8b286580ddfdadec747006331adaaae0e00defa4bf817464ad9a4be9a7620fa1d3f3d20ae48f807652354ce08c837b089ed534e2de0e
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C:\Users\Admin\AppData\Local\Temp\is-CKDO9.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-GVPPA.tmp\27fcc68941217c5d8ccd83bb5b1f5ef8c1e4afed196a5d7d152084f88d8ab00d.tmpFilesize
680KB
MD59c0c87dbb79871a4914149cd5acefbf8
SHA135627d4c709114e03240747deb05d154743ccb59
SHA2560b29aab1bdbef4c1435541320b77e3a47d063f2cb0657018a918907d8ede18bf
SHA5126608bfbf67b572584cd068ca60eb71fa972384f7c3cfa87011e82e5c15cb10332d4dcc6db23fc3153104dd635e6b2eb9e27d6eb08a07f4a396b04757a20080bd
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memory/336-61-0x0000000000400000-0x0000000000693000-memory.dmpFilesize
2.6MB
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memory/336-59-0x0000000000400000-0x0000000000693000-memory.dmpFilesize
2.6MB
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memory/336-65-0x0000000000400000-0x000000000047E000-memory.dmpFilesize
504KB
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memory/336-64-0x0000000000400000-0x0000000000693000-memory.dmpFilesize
2.6MB
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memory/700-71-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/700-10-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/2748-72-0x0000000000400000-0x0000000000693000-memory.dmpFilesize
2.6MB
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memory/2748-88-0x0000000000A20000-0x0000000000AC2000-memory.dmpFilesize
648KB
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memory/2748-69-0x0000000000400000-0x0000000000693000-memory.dmpFilesize
2.6MB
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memory/2748-117-0x0000000000400000-0x0000000000693000-memory.dmpFilesize
2.6MB
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memory/2748-114-0x0000000000400000-0x0000000000693000-memory.dmpFilesize
2.6MB
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memory/2748-111-0x0000000000400000-0x0000000000693000-memory.dmpFilesize
2.6MB
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memory/2748-75-0x0000000000400000-0x0000000000693000-memory.dmpFilesize
2.6MB
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memory/2748-76-0x0000000000400000-0x0000000000693000-memory.dmpFilesize
2.6MB
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memory/2748-79-0x0000000000400000-0x0000000000693000-memory.dmpFilesize
2.6MB
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memory/2748-82-0x0000000000400000-0x0000000000693000-memory.dmpFilesize
2.6MB
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memory/2748-85-0x0000000000400000-0x0000000000693000-memory.dmpFilesize
2.6MB
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memory/2748-68-0x0000000000400000-0x0000000000693000-memory.dmpFilesize
2.6MB
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memory/2748-90-0x0000000000400000-0x0000000000693000-memory.dmpFilesize
2.6MB
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memory/2748-96-0x0000000000400000-0x0000000000693000-memory.dmpFilesize
2.6MB
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memory/2748-99-0x0000000000400000-0x0000000000693000-memory.dmpFilesize
2.6MB
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memory/2748-102-0x0000000000400000-0x0000000000693000-memory.dmpFilesize
2.6MB
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memory/2748-105-0x0000000000400000-0x0000000000693000-memory.dmpFilesize
2.6MB
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memory/2748-108-0x0000000000400000-0x0000000000693000-memory.dmpFilesize
2.6MB
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memory/3312-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/3312-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/3312-70-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB