Analysis
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max time kernel
154s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
14-06-2024 01:42
Static task
static1
Behavioral task
behavioral1
Sample
a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.exe
Resource
win10v2004-20240226-en
General
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Target
a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.exe
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Size
4.8MB
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MD5
653fef3d5a01ff6c6d2730be37faf50b
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SHA1
8e68d741e96756d8b1d58cfe0d1584c9f0c81aeb
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SHA256
a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5
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SHA512
68ba22c75dfe43ea303aa4217a1d81ddfc7e8e5b6e00b8abcb093bdb2db7d5402db71358a5fd147d022c3cc264f37d90105dd210debe9b547a20f0e1a2efc404
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SSDEEP
98304:mSjJeiLrZa1cPEdJPsckWtd+Cf1LBdW9CGyWd3lno/g0ZKC95EMiBga2K2:njLPsdkWtd+iU5yWgYP26ga2z
Malware Config
Extracted
socks5systemz
ejktusk.ua
http://ejktusk.ua/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff712c2e6919b39
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4724-87-0x0000000000980000-0x0000000000A22000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Detects executables packed with VMProtect. 16 IoCs
Processes:
resource yara_rule behavioral2/memory/4456-61-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4456-64-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4456-66-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-72-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-75-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-78-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-81-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-84-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-89-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-94-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-97-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-100-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-103-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-106-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-109-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-113-0x0000000000400000-0x00000000006EA000-memory.dmp INDICATOR_EXE_Packed_VMProtect -
Executes dropped EXE 3 IoCs
Processes:
a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.tmpaudioconverter.exeaudioconverter.exepid process 3048 a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.tmp 4456 audioconverter.exe 4724 audioconverter.exe -
Loads dropped DLL 1 IoCs
Processes:
a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.tmppid process 3048 a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.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:
a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.tmppid process 3048 a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.exea10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.tmpdescription pid process target process PID 3484 wrote to memory of 3048 3484 a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.exe a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.tmp PID 3484 wrote to memory of 3048 3484 a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.exe a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.tmp PID 3484 wrote to memory of 3048 3484 a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.exe a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.tmp PID 3048 wrote to memory of 4456 3048 a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.tmp audioconverter.exe PID 3048 wrote to memory of 4456 3048 a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.tmp audioconverter.exe PID 3048 wrote to memory of 4456 3048 a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.tmp audioconverter.exe PID 3048 wrote to memory of 4724 3048 a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.tmp audioconverter.exe PID 3048 wrote to memory of 4724 3048 a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.tmp audioconverter.exe PID 3048 wrote to memory of 4724 3048 a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.tmp audioconverter.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.exe"C:\Users\Admin\AppData\Local\Temp\a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3484 -
C:\Users\Admin\AppData\Local\Temp\is-80VR6.tmp\a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.tmp"C:\Users\Admin\AppData\Local\Temp\is-80VR6.tmp\a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.tmp" /SL5="$70214,4803412,54272,C:\Users\Admin\AppData\Local\Temp\a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3048 -
C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter.exe"C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter.exe" -i3⤵
- Executes dropped EXE
PID:4456 -
C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter.exe"C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter.exe" -s3⤵
- Executes dropped EXE
PID:4724
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4240 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:81⤵PID:3176
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter.exeFilesize
2.9MB
MD58281e87615f5dafb734c39c51a2dc321
SHA1e475adfe193d54194b4e2b020c3c8056a92068da
SHA256c2c2728023887b2ddc578e0a04d819145b1d949b52e00d73a2cadb6ad60801a4
SHA512d5c7e90ff561586b2dfbed5309472ba8adb1fa1b3cfb1893059593213c08f768856c9a1aea4ed5c2bbbbee48fcd973d9146efbc6e3fba225d7ad0bbc7bf52fc8
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C:\Users\Admin\AppData\Local\Temp\is-80VR6.tmp\a10926a22bdb4ab1419c00e04b266d001c60752df6b7d320380c6bbe284571e5.tmpFilesize
680KB
MD544b9ca6a625740ff4684e46b706c1079
SHA1e1437bee59b5335ef6fe7b61ff815b5098f2e402
SHA256a32a6913b656b5e99bccaae183f08024a2118372c86c4bc6a45e8ae6816f2831
SHA51259738c2e69631c98aeb33c8c70fc0b85cc9f139d2fa462c03eee3d3c0ab94bf33d669f5ca50b3ae9b370805d446ed43985d711f0817fd228708045c269728a87
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C:\Users\Admin\AppData\Local\Temp\is-UPS9N.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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memory/3048-70-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/3048-7-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/3484-59-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/3484-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/3484-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4456-60-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/4456-61-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/4456-64-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/4456-66-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/4724-81-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/4724-89-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/4724-75-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/4724-78-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/4724-68-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/4724-84-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/4724-87-0x0000000000980000-0x0000000000A22000-memory.dmpFilesize
648KB
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memory/4724-72-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/4724-94-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/4724-97-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/4724-100-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/4724-103-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/4724-106-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/4724-109-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB
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memory/4724-113-0x0000000000400000-0x00000000006EA000-memory.dmpFilesize
2.9MB