Analysis
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max time kernel
293s -
max time network
284s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
30-05-2024 22:33
Static task
static1
Behavioral task
behavioral1
Sample
0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe
Resource
win10-20240404-en
General
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Target
0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe
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Size
4.9MB
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MD5
b85f055ad96d7bbe8aa09fd7ec41d040
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SHA1
05c62693bc71041fea6ee4404e6d5968c98cff3f
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SHA256
0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a
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SHA512
d070675fbf09f0e5c387f7b632c85ca4617ca99336e1a12db7442436ff03fa25f00da9acd2f4bb31c823e3959f2394c34e93ce20fa188cb3f96c9a969e001809
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SSDEEP
98304:mJyVUe+HiqazWPzT97VGWEiHvgAO2d+xJDu9U4N6Kz8mpigk6dIYLhLI:QyVerPdVyAO2MLEUU8mpigk6djNLI
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2944-91-0x0000000002330000-0x00000000023D2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp5kplayer.exe5kplayer.exepid process 2952 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp 2456 5kplayer.exe 2944 5kplayer.exe -
Loads dropped DLL 5 IoCs
Processes:
0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmppid process 2728 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe 2952 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp 2952 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp 2952 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp 2952 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp -
Unexpected DNS network traffic destination 2 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
description ioc Destination IP 45.155.250.90 Destination IP 45.155.250.90 -
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:
0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmppid process 2952 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmpdescription pid process target process PID 2728 wrote to memory of 2952 2728 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp PID 2728 wrote to memory of 2952 2728 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp PID 2728 wrote to memory of 2952 2728 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp PID 2728 wrote to memory of 2952 2728 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp PID 2728 wrote to memory of 2952 2728 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp PID 2728 wrote to memory of 2952 2728 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp PID 2728 wrote to memory of 2952 2728 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp PID 2952 wrote to memory of 2456 2952 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp 5kplayer.exe PID 2952 wrote to memory of 2456 2952 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp 5kplayer.exe PID 2952 wrote to memory of 2456 2952 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp 5kplayer.exe PID 2952 wrote to memory of 2456 2952 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp 5kplayer.exe PID 2952 wrote to memory of 2944 2952 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp 5kplayer.exe PID 2952 wrote to memory of 2944 2952 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp 5kplayer.exe PID 2952 wrote to memory of 2944 2952 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp 5kplayer.exe PID 2952 wrote to memory of 2944 2952 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp 5kplayer.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe"C:\Users\Admin\AppData\Local\Temp\0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2728 -
C:\Users\Admin\AppData\Local\Temp\is-CNBP2.tmp\0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp"C:\Users\Admin\AppData\Local\Temp\is-CNBP2.tmp\0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp" /SL5="$400F4,4885427,54272,C:\Users\Admin\AppData\Local\Temp\0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2952 -
C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe" -i3⤵
- Executes dropped EXE
PID:2456
-
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C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe" -s3⤵
- Executes dropped EXE
PID:2944
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-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.2MB
MD54ce76465cb04cd5b404185a973f330f5
SHA1ae03025a421f7cd4db70d305c5fe4ba501925540
SHA25634ae2eb450c43e2a64191f6976408dccd21efd90aac803ac7b4efef8b4ff312e
SHA512113fc4f0ab9567f97e02dbaf3a5a49509da4869f89a4a262817a9c6be77cb74e497dee229706dcd8524619582bfef66942a5f0ac63884898165403058ccb75bb
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\Users\Admin\AppData\Local\Temp\is-CNBP2.tmp\0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp
Filesize680KB
MD54dc224bb697f1ac21a2615f277db675c
SHA162308fb4f79b9ccd60a1a4d13c0506fbb7795688
SHA256c318aaf77ffb1475e65d9670d31972602e97727906315bbb012893a40252b6b6
SHA51282373f8d81729e8fa24a881f4af93c892a371f4de6ac506e61c534dd6b8b796d9ab46d9ab81e3e81a9997c7d27d8b409d4a377ed8b0606f7d9192a4e372b3b8e
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3