Analysis
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max time kernel
142s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
14-06-2024 01:32
Static task
static1
Behavioral task
behavioral1
Sample
815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.exe
Resource
win10v2004-20240611-en
General
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Target
815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.exe
-
Size
4.9MB
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MD5
e4f160d5a875eaf0507cf823b7420504
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SHA1
1a9dc94c7807d726d8ebee79ec6dd6e255143909
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SHA256
815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f
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SHA512
05c83d7e820e23ec5f3c482393280d6e58830f1a252895615b04f5092b2844141d0fbf144d924193af07fad2c531a4e0a7b1f55f31e90da22d8d5b3322400ba3
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SSDEEP
98304:m9EwqN6LJfqQFcNCqaAipTw7ge3ZVb1fePK5TquDNy/HhG2P5Me:9wqN6LrFcCzXKZZ1fekTLD8JGI/
Malware Config
Extracted
socks5systemz
ejchdxe.ua
http://ejchdxe.ua/search/?q=67e28dd8685ff37d4306f81a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff712c2e79d983d
http://ejchdxe.ua/search/?q=67e28dd8685ff37d4306f81a7c27d78406abdd88be4b12eab517aa5c96bd86e891814a865a8bbc896c58e713bc90c91b36b5281fc235a925ed3e51d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9939c5679410
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/4140-86-0x00000000009F0000-0x0000000000A92000-memory.dmp family_socks5systemz behavioral2/memory/4140-108-0x00000000009F0000-0x0000000000A92000-memory.dmp family_socks5systemz behavioral2/memory/4140-109-0x00000000009F0000-0x0000000000A92000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Detects executables packed with VMProtect. 17 IoCs
Processes:
resource yara_rule behavioral2/memory/1500-61-0x0000000000400000-0x0000000000711000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1500-60-0x0000000000400000-0x0000000000711000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1500-65-0x0000000000400000-0x0000000000711000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4140-71-0x0000000000400000-0x0000000000711000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4140-74-0x0000000000400000-0x0000000000711000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4140-77-0x0000000000400000-0x0000000000711000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4140-80-0x0000000000400000-0x0000000000711000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4140-83-0x0000000000400000-0x0000000000711000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4140-88-0x0000000000400000-0x0000000000711000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4140-93-0x0000000000400000-0x0000000000711000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4140-96-0x0000000000400000-0x0000000000711000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4140-99-0x0000000000400000-0x0000000000711000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4140-102-0x0000000000400000-0x0000000000711000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4140-105-0x0000000000400000-0x0000000000711000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4140-110-0x0000000000400000-0x0000000000711000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4140-114-0x0000000000400000-0x0000000000711000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4140-117-0x0000000000400000-0x0000000000711000-memory.dmp INDICATOR_EXE_Packed_VMProtect -
Executes dropped EXE 3 IoCs
Processes:
815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmpmoonvoiceassist32_64.exemoonvoiceassist32_64.exepid process 424 815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmp 1500 moonvoiceassist32_64.exe 4140 moonvoiceassist32_64.exe -
Loads dropped DLL 1 IoCs
Processes:
815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmppid process 424 815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.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 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:
815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmppid process 424 815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.exe815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmpdescription pid process target process PID 2296 wrote to memory of 424 2296 815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.exe 815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmp PID 2296 wrote to memory of 424 2296 815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.exe 815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmp PID 2296 wrote to memory of 424 2296 815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.exe 815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmp PID 424 wrote to memory of 1500 424 815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmp moonvoiceassist32_64.exe PID 424 wrote to memory of 1500 424 815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmp moonvoiceassist32_64.exe PID 424 wrote to memory of 1500 424 815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmp moonvoiceassist32_64.exe PID 424 wrote to memory of 4140 424 815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmp moonvoiceassist32_64.exe PID 424 wrote to memory of 4140 424 815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmp moonvoiceassist32_64.exe PID 424 wrote to memory of 4140 424 815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmp moonvoiceassist32_64.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.exe"C:\Users\Admin\AppData\Local\Temp\815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2296 -
C:\Users\Admin\AppData\Local\Temp\is-9L9IK.tmp\815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmp"C:\Users\Admin\AppData\Local\Temp\is-9L9IK.tmp\815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmp" /SL5="$901C0,4896245,54272,C:\Users\Admin\AppData\Local\Temp\815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:424 -
C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe" -i3⤵
- Executes dropped EXE
PID:1500 -
C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe" -s3⤵
- Executes dropped EXE
PID:4140
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exeFilesize
3.1MB
MD5be706b01a421e7c325a978d7d945cf8c
SHA18dd3d0477688704c5d703cbbb956a8bb7e3e5f10
SHA2567532d9a33a9aa219b7abc736c780527d4f0c36302e38251617f8e463bb6fd83b
SHA512ff45661b5f7eceb48a756b9107840077b58625d4a2f84e3acb7a64dc8fd2ed97d49c4be4c25b5e6fe4c9d3d01aa4bb401230a821cf7bdcbb8e1fa662feb39889
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C:\Users\Admin\AppData\Local\Temp\is-6A1PQ.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-9L9IK.tmp\815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmpFilesize
680KB
MD5895d982b558dbe81e0d8d31e818f766e
SHA127d9e61b8edaf48db4c519be05f0f4ea33900a7a
SHA2563c0328c6c8c37a3e81cb28c46eeb4c98f033eaf28326903ac6e7204d23928cfb
SHA5124ab3f51fe1f4b7ce5bd6e21518de1ebae7b631bb4a968a424efff6db1a53755853478db108547492a2784c55f1d934f776388232f556880f682e401c45b7db97
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memory/424-70-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/424-10-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1500-59-0x0000000000400000-0x0000000000711000-memory.dmpFilesize
3.1MB
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memory/1500-61-0x0000000000400000-0x0000000000711000-memory.dmpFilesize
3.1MB
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memory/1500-60-0x0000000000400000-0x0000000000711000-memory.dmpFilesize
3.1MB
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memory/1500-65-0x0000000000400000-0x0000000000711000-memory.dmpFilesize
3.1MB
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memory/2296-3-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/2296-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2296-69-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4140-74-0x0000000000400000-0x0000000000711000-memory.dmpFilesize
3.1MB
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memory/4140-96-0x0000000000400000-0x0000000000711000-memory.dmpFilesize
3.1MB
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memory/4140-67-0x0000000000400000-0x0000000000711000-memory.dmpFilesize
3.1MB
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memory/4140-77-0x0000000000400000-0x0000000000711000-memory.dmpFilesize
3.1MB
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memory/4140-80-0x0000000000400000-0x0000000000711000-memory.dmpFilesize
3.1MB
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memory/4140-83-0x0000000000400000-0x0000000000711000-memory.dmpFilesize
3.1MB
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memory/4140-86-0x00000000009F0000-0x0000000000A92000-memory.dmpFilesize
648KB
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memory/4140-88-0x0000000000400000-0x0000000000711000-memory.dmpFilesize
3.1MB
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memory/4140-93-0x0000000000400000-0x0000000000711000-memory.dmpFilesize
3.1MB
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memory/4140-71-0x0000000000400000-0x0000000000711000-memory.dmpFilesize
3.1MB
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memory/4140-99-0x0000000000400000-0x0000000000711000-memory.dmpFilesize
3.1MB
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memory/4140-102-0x0000000000400000-0x0000000000711000-memory.dmpFilesize
3.1MB
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memory/4140-105-0x0000000000400000-0x0000000000711000-memory.dmpFilesize
3.1MB
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memory/4140-108-0x00000000009F0000-0x0000000000A92000-memory.dmpFilesize
648KB
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memory/4140-109-0x00000000009F0000-0x0000000000A92000-memory.dmpFilesize
648KB
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memory/4140-110-0x0000000000400000-0x0000000000711000-memory.dmpFilesize
3.1MB
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memory/4140-114-0x0000000000400000-0x0000000000711000-memory.dmpFilesize
3.1MB
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memory/4140-117-0x0000000000400000-0x0000000000711000-memory.dmpFilesize
3.1MB