Analysis
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max time kernel
147s -
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 23:56
Static task
static1
Behavioral task
behavioral1
Sample
334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe
Resource
win11-20240508-en
General
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Target
334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe
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Size
4.8MB
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MD5
8836d2a69d2d59e0beb368534207b667
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SHA1
a5089bc672b7f5916d06c0522321e8bdfffdcaa6
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SHA256
334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f
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SHA512
00a178c41589c93da4b1385d4da2062f33d5f499fcc8916c0fca2a463cee34cf2d6c4fd365c8dfe475341475c8f47c8b7efc409844a280fae45a1cfc73f11452
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SSDEEP
98304:msAua+ZFYilw5ujPX0KliS8iVFag25zmL2MXJRFQID/:1BZwMjf0K7F/wCyMr+IT
Malware Config
Extracted
socks5systemz
ccjyjoo.net
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3896-88-0x0000000000AC0000-0x0000000000B62000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmpwinypux32.exewinypux32.exepid process 2628 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp 2944 winypux32.exe 3896 winypux32.exe -
Loads dropped DLL 1 IoCs
Processes:
334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmppid process 2628 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.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 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:
334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmppid process 2628 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmpdescription pid process target process PID 3004 wrote to memory of 2628 3004 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp PID 3004 wrote to memory of 2628 3004 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp PID 3004 wrote to memory of 2628 3004 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp PID 2628 wrote to memory of 2944 2628 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp winypux32.exe PID 2628 wrote to memory of 2944 2628 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp winypux32.exe PID 2628 wrote to memory of 2944 2628 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp winypux32.exe PID 2628 wrote to memory of 3896 2628 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp winypux32.exe PID 2628 wrote to memory of 3896 2628 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp winypux32.exe PID 2628 wrote to memory of 3896 2628 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp winypux32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe"C:\Users\Admin\AppData\Local\Temp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3004 -
C:\Users\Admin\AppData\Local\Temp\is-7KGVT.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp"C:\Users\Admin\AppData\Local\Temp\is-7KGVT.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp" /SL5="$70232,4744462,54272,C:\Users\Admin\AppData\Local\Temp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2628 -
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i3⤵
- Executes dropped EXE
PID:2944
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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:3896
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-7KGVT.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp
Filesize680KB
MD5893bd2f08862ec5904f78d072c7a274c
SHA1d6e87230b90b418345000a8d696bd552469d8d06
SHA2560fa65c54cf864083c000adcc62456314b7f3b882e120de4de1ba08c565dd40a5
SHA512940abebb53504b2a4fc252eb36ab75a1523abe72aa5a5ace6f15deacc59f259177d5c7f23af9e2a85ccde43126d0ae4b10bde56fb0b3380b97851a39e6569fc3
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Filesize
2.8MB
MD5e7e9871d5b763bb1d8c75f98bfd32b99
SHA13b39b35f1fdee524b0b841f56eaa21f346d7d501
SHA2566251f2d8bd3ad9482b20f7425b0163ec37deddf2594880f824978251f43c8e2a
SHA512e1968c869e44da79e9725926fddcb8b3dc139f8c4833557191b3e8bfcb4639e2e0bedf26bdbdfc71f44a878c56bb8c3adeb75066cd9864e2177154d10bafc230