Analysis
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max time kernel
148s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
24-06-2024 13:49
Static task
static1
Behavioral task
behavioral1
Sample
126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral2
Sample
126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.exe
Resource
win11-20240508-en
General
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Target
126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.exe
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Size
4.8MB
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MD5
bf3b406ad7decba8bdd13cfd9a61763d
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SHA1
f6f6f489456de2c8e2de32edc9d0836aac99ac8e
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SHA256
126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49
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SHA512
9cffa155e6a14df654ccefd21840252f20e06cde964220715d9de65a0e130f5a3fad67b436150125a4c81bf0155efd892dd198e17a718528c79ff26ff5019f04
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SSDEEP
98304:mxnVMyq0gLPDE1fWlElq6PqnEUuQXzECXaV1mZAlqPnmTzGTU:4Vrq0aEpEELPqEUxzDXSoZ2qPn0J
Malware Config
Extracted
socks5systemz
erswddi.ua
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3628-86-0x0000000000A80000-0x0000000000B22000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.tmpwinypux32.exewinypux32.exepid process 2116 126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.tmp 1748 winypux32.exe 3628 winypux32.exe -
Loads dropped DLL 1 IoCs
Processes:
126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.tmppid process 2116 126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.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 152.89.198.214 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:
126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.tmppid process 2116 126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.exe126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.tmpdescription pid process target process PID 4760 wrote to memory of 2116 4760 126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.exe 126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.tmp PID 4760 wrote to memory of 2116 4760 126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.exe 126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.tmp PID 4760 wrote to memory of 2116 4760 126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.exe 126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.tmp PID 2116 wrote to memory of 1748 2116 126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.tmp winypux32.exe PID 2116 wrote to memory of 1748 2116 126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.tmp winypux32.exe PID 2116 wrote to memory of 1748 2116 126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.tmp winypux32.exe PID 2116 wrote to memory of 3628 2116 126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.tmp winypux32.exe PID 2116 wrote to memory of 3628 2116 126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.tmp winypux32.exe PID 2116 wrote to memory of 3628 2116 126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.tmp winypux32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.exe"C:\Users\Admin\AppData\Local\Temp\126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4760 -
C:\Users\Admin\AppData\Local\Temp\is-J81IR.tmp\126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.tmp"C:\Users\Admin\AppData\Local\Temp\is-J81IR.tmp\126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.tmp" /SL5="$70062,4756942,54272,C:\Users\Admin\AppData\Local\Temp\126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2116 -
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i3⤵
- Executes dropped EXE
PID:1748
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C:\Users\Admin\AppData\Local\Winypux\winypux32.exe"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -s3⤵
- Executes dropped EXE
PID:3628
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\is-J81IR.tmp\126e6e4e4903dbcd55eccd2728b16678ed7a8b76662b6939020b79298e2e1e49.tmp
Filesize680KB
MD56faef8d03f5a5daec4663607ffbfa3f2
SHA160d93a5d14dff756544f784051dfd98ea92ab8b0
SHA256e6b403dd1141a7fb21e3363ce6ea4b1a37703bada1ba39187e099ab035186cbe
SHA5129c68713fde2727d9853dcb375df6caa1bedd4b5956ff3fa92aded0d868667838912e1364cbe174be4b8f293424c9b6bccda1ff880bec25e6c7d141bf61cb772e
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
2.7MB
MD591d1f39cb3f5d0bdc28352b8c8b51c3e
SHA180df32f5c255cca0594e8feca01668ec9fc65947
SHA256a291579cd45507b237ad21b0f98ba9021d563bf5039b22c6f148d0d4694b6dee
SHA512badf6a747e7894c3993a3da07b9fbdaaf73bf5ab5e9578861a299ffa6517131859a4334430f8be2dcafc08e8abd2b9c935ef51035cb878d753b356a6cf942bf1