Analysis
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max time kernel
147s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
13/06/2024, 23:01
Static task
static1
Behavioral task
behavioral1
Sample
6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral2
Sample
6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe
Resource
win11-20240419-en
General
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Target
6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe
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Size
4.9MB
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MD5
c917d38908a1d866f74b8a8f8b099bfa
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SHA1
49ad7582a96557b6c496a1e2721fb34a72d153f2
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SHA256
6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140
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SHA512
dd15de162fe2fb3bdd079eb2560180f0cee8b1b9a660fb0c8827f1333f4631c2e4c342b82d81ab42c60912b07cf5654ca35d1592037947798a9e0ab71e2a9f60
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SSDEEP
98304:mNlDtDC9uawhTVtGyqQjhcXrrJfYeWJDNgCvoYvX5dx6h3YKnhtK4Hbse:clDtDDT2yq0mrrJwee0YvXfxClnhtjp
Malware Config
Extracted
socks5systemz
bolitur.com
Signatures
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Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral2/memory/3548-86-0x0000000000A60000-0x0000000000B02000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 3916 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp 3304 moonvoiceassist32_64.exe 3548 moonvoiceassist32_64.exe -
Loads dropped DLL 1 IoCs
pid Process 3916 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp -
Unexpected DNS network traffic destination 3 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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
pid Process 3916 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2716 wrote to memory of 3916 2716 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe 77 PID 2716 wrote to memory of 3916 2716 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe 77 PID 2716 wrote to memory of 3916 2716 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe 77 PID 3916 wrote to memory of 3304 3916 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp 78 PID 3916 wrote to memory of 3304 3916 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp 78 PID 3916 wrote to memory of 3304 3916 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp 78 PID 3916 wrote to memory of 3548 3916 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp 79 PID 3916 wrote to memory of 3548 3916 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp 79 PID 3916 wrote to memory of 3548 3916 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp 79
Processes
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C:\Users\Admin\AppData\Local\Temp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe"C:\Users\Admin\AppData\Local\Temp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2716 -
C:\Users\Admin\AppData\Local\Temp\is-UTQ79.tmp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp"C:\Users\Admin\AppData\Local\Temp\is-UTQ79.tmp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp" /SL5="$40218,4836535,54272,C:\Users\Admin\AppData\Local\Temp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3916 -
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:3304
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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:3548
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.0MB
MD50e0e8f9a6f0d23b831c5ff76d0c7a15e
SHA1f53aa118c444f3da2f17f83748d22f6457702812
SHA256462f692b554343ad0b9f3a8af3f00588bbcf2fd94ae49bce8ed1dc74d9c4bf3d
SHA512370eddc63a77e1b448ee9dded76a7221d30746f3245fbabc8cd80e0d524c822c3d8925872ba2797f77bb09f3b7e61d00076f64a44b603dfcfdfe3f36e3a5f2db
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-UTQ79.tmp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp
Filesize680KB
MD5895d982b558dbe81e0d8d31e818f766e
SHA127d9e61b8edaf48db4c519be05f0f4ea33900a7a
SHA2563c0328c6c8c37a3e81cb28c46eeb4c98f033eaf28326903ac6e7204d23928cfb
SHA5124ab3f51fe1f4b7ce5bd6e21518de1ebae7b631bb4a968a424efff6db1a53755853478db108547492a2784c55f1d934f776388232f556880f682e401c45b7db97