Analysis
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max time kernel
293s -
max time network
303s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
17-06-2024 05:05
Static task
static1
Behavioral task
behavioral1
Sample
6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe
Resource
win10-20240404-en
General
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Target
6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe
-
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
bfoutgb.com
gouwopl.com
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2516-92-0x0000000002390000-0x0000000002432000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmpmoonvoiceassist32_64.exemoonvoiceassist32_64.exepid process 3064 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp 2724 moonvoiceassist32_64.exe 2516 moonvoiceassist32_64.exe -
Loads dropped DLL 5 IoCs
Processes:
6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmppid process 2596 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe 3064 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp 3064 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp 3064 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp 3064 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp -
Unexpected DNS network traffic destination 13 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 Destination IP 45.155.250.90 Destination IP 91.211.247.248 Destination IP 141.98.234.31 Destination IP 45.155.250.90 Destination IP 152.89.198.214 Destination IP 81.31.197.38 Destination IP 152.89.198.214 Destination IP 45.155.250.90 Destination IP 81.31.197.38 Destination IP 45.155.250.90 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
Processes:
6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmppid process 3064 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmpdescription pid process target process PID 2596 wrote to memory of 3064 2596 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp PID 2596 wrote to memory of 3064 2596 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp PID 2596 wrote to memory of 3064 2596 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp PID 2596 wrote to memory of 3064 2596 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp PID 2596 wrote to memory of 3064 2596 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp PID 2596 wrote to memory of 3064 2596 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp PID 2596 wrote to memory of 3064 2596 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp PID 3064 wrote to memory of 2724 3064 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp moonvoiceassist32_64.exe PID 3064 wrote to memory of 2724 3064 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp moonvoiceassist32_64.exe PID 3064 wrote to memory of 2724 3064 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp moonvoiceassist32_64.exe PID 3064 wrote to memory of 2724 3064 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp moonvoiceassist32_64.exe PID 3064 wrote to memory of 2516 3064 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp moonvoiceassist32_64.exe PID 3064 wrote to memory of 2516 3064 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp moonvoiceassist32_64.exe PID 3064 wrote to memory of 2516 3064 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp moonvoiceassist32_64.exe PID 3064 wrote to memory of 2516 3064 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp moonvoiceassist32_64.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe"C:\Users\Admin\AppData\Local\Temp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-SAKLE.tmp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp"C:\Users\Admin\AppData\Local\Temp\is-SAKLE.tmp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp" /SL5="$3012E,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
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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" -i3⤵
- Executes dropped EXE
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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
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exeFilesize
3.0MB
MD50e0e8f9a6f0d23b831c5ff76d0c7a15e
SHA1f53aa118c444f3da2f17f83748d22f6457702812
SHA256462f692b554343ad0b9f3a8af3f00588bbcf2fd94ae49bce8ed1dc74d9c4bf3d
SHA512370eddc63a77e1b448ee9dded76a7221d30746f3245fbabc8cd80e0d524c822c3d8925872ba2797f77bb09f3b7e61d00076f64a44b603dfcfdfe3f36e3a5f2db
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\Users\Admin\AppData\Local\Temp\is-KURRK.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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\Users\Admin\AppData\Local\Temp\is-KURRK.tmp\_isetup\_shfoldr.dllFilesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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\Users\Admin\AppData\Local\Temp\is-SAKLE.tmp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmpFilesize
680KB
MD5895d982b558dbe81e0d8d31e818f766e
SHA127d9e61b8edaf48db4c519be05f0f4ea33900a7a
SHA2563c0328c6c8c37a3e81cb28c46eeb4c98f033eaf28326903ac6e7204d23928cfb
SHA5124ab3f51fe1f4b7ce5bd6e21518de1ebae7b631bb4a968a424efff6db1a53755853478db108547492a2784c55f1d934f776388232f556880f682e401c45b7db97
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memory/2516-104-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/2516-110-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/2516-134-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/2516-131-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/2516-128-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/2516-125-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/2516-122-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/2516-71-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/2516-119-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/2516-116-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/2516-75-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/2516-113-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/2516-79-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/2516-82-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/2516-85-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/2516-88-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/2516-91-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/2516-92-0x0000000002390000-0x0000000002432000-memory.dmpFilesize
648KB
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memory/2516-98-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/2516-101-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/2516-107-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/2596-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2596-73-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2596-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/2724-69-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/2724-66-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/2724-65-0x0000000000400000-0x0000000000704000-memory.dmpFilesize
3.0MB
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memory/3064-11-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/3064-78-0x0000000004260000-0x0000000004564000-memory.dmpFilesize
3.0MB
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memory/3064-74-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/3064-62-0x0000000004260000-0x0000000004564000-memory.dmpFilesize
3.0MB