Analysis
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max time kernel
147s -
max time network
158s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
13-06-2024 23:53
Static task
static1
Behavioral task
behavioral1
Sample
f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.exe
Resource
win11-20240508-en
General
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Target
f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.exe
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Size
4.8MB
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MD5
8f4cbb79fd1e48361807ca359c4a26d4
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SHA1
1ec3abd8abe11fb3955489b937cddcfe1c3d6e0d
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SHA256
f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554
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SHA512
b4a25bf4b15011869fabead8f052f82f8fda3672f991f598fda38d63e0407e0601df755a61e2760be85b95d3ded26d31cb67776d66299ca320dfc70bb522bd64
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SSDEEP
98304:mBABmsd8zKFJTPC8kLKcgKSfRFFfEYMQxxYUKJ8xVNCDBIBXgaYorO/9q1e:NziyJTP7cgKKRFFfDDxRKJwV8BIBQJi2
Malware Config
Extracted
socks5systemz
aivkbjg.ru
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1116-88-0x00000000009D0000-0x0000000000A72000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.tmpmoonvoiceassist32_64.exemoonvoiceassist32_64.exepid process 4376 f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.tmp 3576 moonvoiceassist32_64.exe 1116 moonvoiceassist32_64.exe -
Loads dropped DLL 1 IoCs
Processes:
f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.tmppid process 4376 f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.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 91.211.247.248 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 FindShellTrayWindow 1 IoCs
Processes:
f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.tmppid process 4376 f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.exef5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.tmpdescription pid process target process PID 2052 wrote to memory of 4376 2052 f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.exe f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.tmp PID 2052 wrote to memory of 4376 2052 f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.exe f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.tmp PID 2052 wrote to memory of 4376 2052 f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.exe f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.tmp PID 4376 wrote to memory of 3576 4376 f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.tmp moonvoiceassist32_64.exe PID 4376 wrote to memory of 3576 4376 f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.tmp moonvoiceassist32_64.exe PID 4376 wrote to memory of 3576 4376 f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.tmp moonvoiceassist32_64.exe PID 4376 wrote to memory of 1116 4376 f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.tmp moonvoiceassist32_64.exe PID 4376 wrote to memory of 1116 4376 f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.tmp moonvoiceassist32_64.exe PID 4376 wrote to memory of 1116 4376 f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.tmp moonvoiceassist32_64.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.exe"C:\Users\Admin\AppData\Local\Temp\f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Users\Admin\AppData\Local\Temp\is-LQUS4.tmp\f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.tmp"C:\Users\Admin\AppData\Local\Temp\is-LQUS4.tmp\f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.tmp" /SL5="$70062,4799375,54272,C:\Users\Admin\AppData\Local\Temp\f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4376 -
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:3576 -
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:1116
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
2.9MB
MD5dbed52ee0daf9768eca030d64fd8ccff
SHA1c38c18a3a969376925994b5676dab99b6ec8e289
SHA2561c5a75ea9ac09ccbb45a619e961c1dc36d3fba85abda42b0dd0fd84c7f989111
SHA5122cc9a5dc15fec3d578adfc1b027967b45b14d3233466ceb14d6710056034732519b35edf200f801591f42b7c778cedea3b4d63aaf70ddba7cdd004add497a538
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C:\Users\Admin\AppData\Local\Temp\is-49J7O.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-LQUS4.tmp\f5dfbe86b4f129b1744c1ee7d900959d9ac0694b25f7a11f7ff388727f3d7554.tmpFilesize
680KB
MD5895d982b558dbe81e0d8d31e818f766e
SHA127d9e61b8edaf48db4c519be05f0f4ea33900a7a
SHA2563c0328c6c8c37a3e81cb28c46eeb4c98f033eaf28326903ac6e7204d23928cfb
SHA5124ab3f51fe1f4b7ce5bd6e21518de1ebae7b631bb4a968a424efff6db1a53755853478db108547492a2784c55f1d934f776388232f556880f682e401c45b7db97
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memory/1116-91-0x0000000000400000-0x00000000006EF000-memory.dmpFilesize
2.9MB
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memory/1116-76-0x0000000000400000-0x00000000006EF000-memory.dmpFilesize
2.9MB
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memory/1116-117-0x0000000000400000-0x00000000006EF000-memory.dmpFilesize
2.9MB
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memory/1116-114-0x0000000000400000-0x00000000006EF000-memory.dmpFilesize
2.9MB
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memory/1116-111-0x0000000000400000-0x00000000006EF000-memory.dmpFilesize
2.9MB
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memory/1116-108-0x0000000000400000-0x00000000006EF000-memory.dmpFilesize
2.9MB
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memory/1116-105-0x0000000000400000-0x00000000006EF000-memory.dmpFilesize
2.9MB
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memory/1116-68-0x0000000000400000-0x00000000006EF000-memory.dmpFilesize
2.9MB
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memory/1116-69-0x0000000000400000-0x00000000006EF000-memory.dmpFilesize
2.9MB
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memory/1116-102-0x0000000000400000-0x00000000006EF000-memory.dmpFilesize
2.9MB
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memory/1116-99-0x0000000000400000-0x00000000006EF000-memory.dmpFilesize
2.9MB
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memory/1116-72-0x0000000000400000-0x00000000006EF000-memory.dmpFilesize
2.9MB
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memory/1116-75-0x0000000000400000-0x00000000006EF000-memory.dmpFilesize
2.9MB
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memory/1116-96-0x0000000000400000-0x00000000006EF000-memory.dmpFilesize
2.9MB
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memory/1116-79-0x0000000000400000-0x00000000006EF000-memory.dmpFilesize
2.9MB
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memory/1116-82-0x0000000000400000-0x00000000006EF000-memory.dmpFilesize
2.9MB
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memory/1116-85-0x0000000000400000-0x00000000006EF000-memory.dmpFilesize
2.9MB
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memory/1116-88-0x00000000009D0000-0x0000000000A72000-memory.dmpFilesize
648KB
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memory/2052-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2052-70-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2052-3-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/3576-65-0x0000000000400000-0x00000000006EF000-memory.dmpFilesize
2.9MB
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memory/3576-64-0x0000000000400000-0x00000000006EF000-memory.dmpFilesize
2.9MB
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memory/3576-59-0x0000000000400000-0x00000000006EF000-memory.dmpFilesize
2.9MB
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memory/3576-60-0x0000000000400000-0x00000000006EF000-memory.dmpFilesize
2.9MB
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memory/4376-16-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4376-71-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB