Analysis
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max time kernel
137s -
max time network
158s -
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 01:19
Static task
static1
Behavioral task
behavioral1
Sample
5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe
Resource
win10v2004-20240226-en
General
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Target
5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe
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Size
5.0MB
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MD5
cbce10895aa435fa2807ee0253ca81bd
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SHA1
88e74be5a02a4698d299a452b302068cbfc4aa4b
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SHA256
5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f
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SHA512
1912f8d8770f1c5f9c946ca1a087f53d5e87d51dd6a934bbeda77af5b361c437cd1caa335e5d03759901ee0e02dc1d17a4acf1c1b09a18ac1aab02e132518927
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SSDEEP
98304:mMySNAIcdttL9vzzPH9VbK48HxV1Z8iK9bm6cF/fx7B8t8Hay8jat:v/AImhvzrHPl8H1M9b6/VB8ST8jO
Malware Config
Extracted
socks5systemz
bxuikyk.com
http://bxuikyk.com/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff712c2e7959938
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3560-87-0x0000000000860000-0x0000000000902000-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/1128-61-0x0000000000400000-0x0000000000733000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1128-62-0x0000000000400000-0x0000000000733000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1128-66-0x0000000000400000-0x0000000000733000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3560-71-0x0000000000400000-0x0000000000733000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3560-74-0x0000000000400000-0x0000000000733000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3560-77-0x0000000000400000-0x0000000000733000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3560-80-0x0000000000400000-0x0000000000733000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3560-83-0x0000000000400000-0x0000000000733000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3560-86-0x0000000000400000-0x0000000000733000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3560-93-0x0000000000400000-0x0000000000733000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3560-96-0x0000000000400000-0x0000000000733000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3560-99-0x0000000000400000-0x0000000000733000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3560-102-0x0000000000400000-0x0000000000733000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3560-105-0x0000000000400000-0x0000000000733000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3560-108-0x0000000000400000-0x0000000000733000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3560-112-0x0000000000400000-0x0000000000733000-memory.dmp INDICATOR_EXE_Packed_VMProtect -
Executes dropped EXE 3 IoCs
Processes:
5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmpmoonvoiceassist32.exemoonvoiceassist32.exepid process 4660 5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp 1128 moonvoiceassist32.exe 3560 moonvoiceassist32.exe -
Loads dropped DLL 1 IoCs
Processes:
5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmppid process 4660 5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.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:
5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmppid process 4660 5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmpdescription pid process target process PID 5064 wrote to memory of 4660 5064 5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe 5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp PID 5064 wrote to memory of 4660 5064 5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe 5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp PID 5064 wrote to memory of 4660 5064 5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe 5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp PID 4660 wrote to memory of 1128 4660 5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp moonvoiceassist32.exe PID 4660 wrote to memory of 1128 4660 5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp moonvoiceassist32.exe PID 4660 wrote to memory of 1128 4660 5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp moonvoiceassist32.exe PID 4660 wrote to memory of 3560 4660 5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp moonvoiceassist32.exe PID 4660 wrote to memory of 3560 4660 5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp moonvoiceassist32.exe PID 4660 wrote to memory of 3560 4660 5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp moonvoiceassist32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe"C:\Users\Admin\AppData\Local\Temp\5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:5064 -
C:\Users\Admin\AppData\Local\Temp\is-HK4K8.tmp\5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp"C:\Users\Admin\AppData\Local\Temp\is-HK4K8.tmp\5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp" /SL5="$70214,4941426,54272,C:\Users\Admin\AppData\Local\Temp\5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4660 -
C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe" -i3⤵
- Executes dropped EXE
PID:1128 -
C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe" -s3⤵
- Executes dropped EXE
PID:3560
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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=3948 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:81⤵PID:376
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.exeFilesize
3.2MB
MD5b0f378e6e78681b2a6ddf83bc21337ef
SHA1101bc5784b4930820e06ed3d684dc2dac0897fcc
SHA256b95c8e5a05e89670291994da9d79ecd726791edf0f703619aa26dda91db553c8
SHA512e9791d3bdeaa227cf828d13c258beada6af702a0a14f42b29c2c48862aa5033372724f28da27b69b50b5b1286115b914ce2a2fb894492f70a540b87c70638605
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C:\Users\Admin\AppData\Local\Temp\is-HK4K8.tmp\5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmpFilesize
680KB
MD5b69bf30e5f252cfcf7d82c84f8374a82
SHA14730c8a8a06df84e640f6ebc2aaa6f1236405f04
SHA256d84b7d9a290803b0f334562ef81c1048c271d37fb9bc2d819fce473f26cb364b
SHA512278be468edc57b6774c81755b8334eb9084eb683eeedc7d7537e6b6fdc2c104ba5392e98853dcd4e8ae052e7ca92a880b34b10c46096cfc2bc5034a15e46e52a
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C:\Users\Admin\AppData\Local\Temp\is-QJNUR.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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memory/1128-60-0x0000000000400000-0x0000000000733000-memory.dmpFilesize
3.2MB
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memory/1128-66-0x0000000000400000-0x0000000000733000-memory.dmpFilesize
3.2MB
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memory/1128-62-0x0000000000400000-0x0000000000733000-memory.dmpFilesize
3.2MB
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memory/1128-61-0x0000000000400000-0x0000000000733000-memory.dmpFilesize
3.2MB
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memory/3560-71-0x0000000000400000-0x0000000000733000-memory.dmpFilesize
3.2MB
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memory/3560-96-0x0000000000400000-0x0000000000733000-memory.dmpFilesize
3.2MB
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memory/3560-112-0x0000000000400000-0x0000000000733000-memory.dmpFilesize
3.2MB
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memory/3560-108-0x0000000000400000-0x0000000000733000-memory.dmpFilesize
3.2MB
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memory/3560-105-0x0000000000400000-0x0000000000733000-memory.dmpFilesize
3.2MB
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memory/3560-102-0x0000000000400000-0x0000000000733000-memory.dmpFilesize
3.2MB
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memory/3560-74-0x0000000000400000-0x0000000000733000-memory.dmpFilesize
3.2MB
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memory/3560-77-0x0000000000400000-0x0000000000733000-memory.dmpFilesize
3.2MB
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memory/3560-80-0x0000000000400000-0x0000000000733000-memory.dmpFilesize
3.2MB
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memory/3560-83-0x0000000000400000-0x0000000000733000-memory.dmpFilesize
3.2MB
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memory/3560-86-0x0000000000400000-0x0000000000733000-memory.dmpFilesize
3.2MB
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memory/3560-87-0x0000000000860000-0x0000000000902000-memory.dmpFilesize
648KB
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memory/3560-93-0x0000000000400000-0x0000000000733000-memory.dmpFilesize
3.2MB
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memory/3560-99-0x0000000000400000-0x0000000000733000-memory.dmpFilesize
3.2MB
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memory/4660-69-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4660-7-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/5064-53-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/5064-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/5064-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB