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Analysis
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max time kernel
145s -
max time network
133s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
11/01/2024, 04:46
Static task
static1
Behavioral task
behavioral1
Sample
5f4371e9fcc21652c9fb3867f64d4941.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
5f4371e9fcc21652c9fb3867f64d4941.exe
Resource
win10v2004-20231222-en
General
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Target
5f4371e9fcc21652c9fb3867f64d4941.exe
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Size
4.5MB
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MD5
5f4371e9fcc21652c9fb3867f64d4941
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SHA1
a19d69302a3993f2aca91d73bdc128e47b6ce174
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SHA256
9397e1a3bd7e94ae5213d8dc4edef5e73fe8c6f0306196a1ffae832a3976e9ac
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SHA512
3c736528fd01383b6fb37a30b306ccd0cfa6b2129cea650263d0a5488e1052c6348acac115ad394c7c70b647d42dc55f4811bd2321b11c3c4c6a37f9c8d21536
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SSDEEP
98304:QDC5jNxoKkMBuu/KJmiuK3gqLkWSTGHVs49M4dm8:YCj6KPBuh8XUgqLXHLM4dD
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/1632-156-0x0000000002730000-0x00000000027D2000-memory.dmp family_socks5systemz behavioral1/memory/1632-155-0x0000000002730000-0x00000000027D2000-memory.dmp family_socks5systemz behavioral1/memory/1632-167-0x0000000002730000-0x00000000027D2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2288 5f4371e9fcc21652c9fb3867f64d4941.tmp 2884 dvdreportviewer.exe 1632 dvdreportviewer.exe -
Loads dropped DLL 6 IoCs
pid Process 2652 5f4371e9fcc21652c9fb3867f64d4941.exe 2288 5f4371e9fcc21652c9fb3867f64d4941.tmp 2288 5f4371e9fcc21652c9fb3867f64d4941.tmp 2288 5f4371e9fcc21652c9fb3867f64d4941.tmp 2288 5f4371e9fcc21652c9fb3867f64d4941.tmp 2288 5f4371e9fcc21652c9fb3867f64d4941.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc 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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Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2288 5f4371e9fcc21652c9fb3867f64d4941.tmp -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 2652 wrote to memory of 2288 2652 5f4371e9fcc21652c9fb3867f64d4941.exe 28 PID 2652 wrote to memory of 2288 2652 5f4371e9fcc21652c9fb3867f64d4941.exe 28 PID 2652 wrote to memory of 2288 2652 5f4371e9fcc21652c9fb3867f64d4941.exe 28 PID 2652 wrote to memory of 2288 2652 5f4371e9fcc21652c9fb3867f64d4941.exe 28 PID 2652 wrote to memory of 2288 2652 5f4371e9fcc21652c9fb3867f64d4941.exe 28 PID 2652 wrote to memory of 2288 2652 5f4371e9fcc21652c9fb3867f64d4941.exe 28 PID 2652 wrote to memory of 2288 2652 5f4371e9fcc21652c9fb3867f64d4941.exe 28 PID 2288 wrote to memory of 1972 2288 5f4371e9fcc21652c9fb3867f64d4941.tmp 29 PID 2288 wrote to memory of 1972 2288 5f4371e9fcc21652c9fb3867f64d4941.tmp 29 PID 2288 wrote to memory of 1972 2288 5f4371e9fcc21652c9fb3867f64d4941.tmp 29 PID 2288 wrote to memory of 1972 2288 5f4371e9fcc21652c9fb3867f64d4941.tmp 29 PID 2288 wrote to memory of 2884 2288 5f4371e9fcc21652c9fb3867f64d4941.tmp 31 PID 2288 wrote to memory of 2884 2288 5f4371e9fcc21652c9fb3867f64d4941.tmp 31 PID 2288 wrote to memory of 2884 2288 5f4371e9fcc21652c9fb3867f64d4941.tmp 31 PID 2288 wrote to memory of 2884 2288 5f4371e9fcc21652c9fb3867f64d4941.tmp 31 PID 1972 wrote to memory of 2932 1972 net.exe 32 PID 1972 wrote to memory of 2932 1972 net.exe 32 PID 1972 wrote to memory of 2932 1972 net.exe 32 PID 1972 wrote to memory of 2932 1972 net.exe 32 PID 2288 wrote to memory of 1632 2288 5f4371e9fcc21652c9fb3867f64d4941.tmp 33 PID 2288 wrote to memory of 1632 2288 5f4371e9fcc21652c9fb3867f64d4941.tmp 33 PID 2288 wrote to memory of 1632 2288 5f4371e9fcc21652c9fb3867f64d4941.tmp 33 PID 2288 wrote to memory of 1632 2288 5f4371e9fcc21652c9fb3867f64d4941.tmp 33
Processes
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C:\Users\Admin\AppData\Local\Temp\5f4371e9fcc21652c9fb3867f64d4941.exe"C:\Users\Admin\AppData\Local\Temp\5f4371e9fcc21652c9fb3867f64d4941.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2652 -
C:\Users\Admin\AppData\Local\Temp\is-ALCPP.tmp\5f4371e9fcc21652c9fb3867f64d4941.tmp"C:\Users\Admin\AppData\Local\Temp\is-ALCPP.tmp\5f4371e9fcc21652c9fb3867f64d4941.tmp" /SL5="$30150,4446766,54272,C:\Users\Admin\AppData\Local\Temp\5f4371e9fcc21652c9fb3867f64d4941.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2288 -
C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 11033⤵
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 11034⤵PID:2932
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C:\Users\Admin\AppData\Local\DVD Drive report viewer\dvdreportviewer.exe"C:\Users\Admin\AppData\Local\DVD Drive report viewer\dvdreportviewer.exe" -i3⤵
- Executes dropped EXE
PID:2884
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C:\Users\Admin\AppData\Local\DVD Drive report viewer\dvdreportviewer.exe"C:\Users\Admin\AppData\Local\DVD Drive report viewer\dvdreportviewer.exe" -s3⤵
- Executes dropped EXE
PID:1632
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
648KB
MD5fa32d12b2dd88c3a6c022a5eca44ec2e
SHA10b755b61a8281075ee01d7e717a93a8087883e68
SHA25646a782559d3f61a55faa65da4ee89b1e058874fdeea33ac285dd27c440cc0739
SHA51209d9077443acae7b64193587c42aa83c88b7e3821294d41b3c3f29eaad6c666b3d497165b17cf2eae853c53d0570da9b5044c955255de0b2787b96dbe2776191
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Filesize
74KB
MD5a56aa62a6261a89638cd55d932a94e44
SHA1068a3db90c26b8520c80ebab9ca687bde78e4e13
SHA256ba34b5f671cbd5eca78f481a450efda1b75d1c1995850e49f967460a04e2eaa0
SHA5129c28aafb152324139c08400e7c404cb6ef2437dde614f6649dd4f0da3a2e8dc2386ee5e3edb83e31bf3cdc25b259f58ed0e4c4a7505a96b55ddea8fd756e8ed2
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Filesize
645KB
MD58242d28a7ea8a052b8f60c0839b31584
SHA1a946f25f2fccd6071eee92201e9b2563f146e3be
SHA2560c4ed52165a0d8d86a2f69ed8242ebf9922787b33ed92b2d478b2aa113442d28
SHA512b47e868de1f45ba935d03dc41ecfbbe91292e6d4229a3124fb5d7ed6db99c5206a53255e5e38ad174e92c78d91faeb163bdf75570d88d1eae7566231ff3ac5b3
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Filesize
688KB
MD5a7662827ecaeb4fc68334f6b8791b917
SHA1f93151dd228d680aa2910280e51f0a84d0cad105
SHA25605f159722d6905719d2d6f340981a293f40ab8a0d2d4a282c948066809d4af6d
SHA512e9880b3f3ec9201e59114850e9c570d0ad6d3b0e04c60929a03cf983c62c505fcb6bb9dc3adeee88c78d43bd484159626b4a2f000a34b8883164c263f21e6f4a
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Filesize
1.6MB
MD5318cd1cf0a1e96ed5bfbf8679833e385
SHA1e4b6d1aa044843c7c774c81625b2bd1bcf7d48dd
SHA256af654c7a101f940b8acddfdcaf730f3df80f4fe6993597cba96f00fd2bfad982
SHA5121407d7252af6f84a4f55c9eccf18a092a6404414283b09dfdba201718196e13c9a2605bb53a409246db59f0b2234027ffa4bb9f669cb9c17c45840ff02cd0025
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Filesize
608KB
MD5b43d74fa6adb3f52af55acba5a74d660
SHA163975bbf05865fce22ffa58e13a93762ffb8cb0b
SHA256835f1f672859761160dd969febb80c99f64681bf1e3269a30edb9a40990a3c73
SHA512b8923b0c2c63211300556b60f05c9673a4e4d73c2e2d652fdf42e256fe1e70796ce68644a9282eed6dd5b85c28d8b14f6175f7addc01da816b91dfdb4bb00166
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
13KB
MD5a813d18268affd4763dde940246dc7e5
SHA1c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3