Analysis
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max time kernel
143s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
25-03-2024 12:17
General
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Target
ddfdcd1867cf1462a6b507d71eb15dd91703c06f55def388c81277c406c3f76d.exe
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Size
6.7MB
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MD5
1db2a35c4d921cd6bb7a2fb3e090c6d0
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SHA1
65f0b48e931cdec3b4682781771b33a57bdcb6c3
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SHA256
ddfdcd1867cf1462a6b507d71eb15dd91703c06f55def388c81277c406c3f76d
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SHA512
ed208da1ab29ba9883a91483f92cf5a322ee2637bfb5efea0c415a7df9af342290e2d19ed08b4589a13d49d54b5f0348f011d872d5daa0607b3724e9b5d7ec85
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SSDEEP
196608:iALDrbajVlKIMFEuvgGD4sfovnvdn3A9UvudDoiC4dD:dDqJKEGWk+lAkirdD
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
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Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
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Loads dropped DLL 6 IoCs
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Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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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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Drops file in Program Files directory 59 IoCs
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Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
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Suspicious use of WriteProcessMemory 23 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\ddfdcd1867cf1462a6b507d71eb15dd91703c06f55def388c81277c406c3f76d.exe"C:\Users\Admin\AppData\Local\Temp\ddfdcd1867cf1462a6b507d71eb15dd91703c06f55def388c81277c406c3f76d.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-A2I4O.tmp\ddfdcd1867cf1462a6b507d71eb15dd91703c06f55def388c81277c406c3f76d.tmp"C:\Users\Admin\AppData\Local\Temp\is-A2I4O.tmp\ddfdcd1867cf1462a6b507d71eb15dd91703c06f55def388c81277c406c3f76d.tmp" /SL5="$50150,6794025,328192,C:\Users\Admin\AppData\Local\Temp\ddfdcd1867cf1462a6b507d71eb15dd91703c06f55def388c81277c406c3f76d.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 243⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 244⤵
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C:\Program Files (x86)\DB Smart Refer\dbsmartref.exe"C:\Program Files (x86)\DB Smart Refer\dbsmartref.exe" -i3⤵
- Executes dropped EXE
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C:\Program Files (x86)\DB Smart Refer\dbsmartref.exe"C:\Program Files (x86)\DB Smart Refer\dbsmartref.exe" -s3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.7MB
MD54cb3e39998474774364ee9e0dfc9d7b3
SHA14098ff5f8545d0457822adfa35d6850117e60dc1
SHA256eab9ace81611f33c7d3eafb88252719cd99ac12c561462334489bf520f1397b5
SHA512c74f6125922a1fbfec9c67ace66ffc22bd45268913af5cecce35526868b17ef6a650654218b93bb32f4dd53dc5c37d79c39ab4eb97e4ed446d8f8e5b2e04a4ed
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
688KB
MD5a7662827ecaeb4fc68334f6b8791b917
SHA1f93151dd228d680aa2910280e51f0a84d0cad105
SHA25605f159722d6905719d2d6f340981a293f40ab8a0d2d4a282c948066809d4af6d
SHA512e9880b3f3ec9201e59114850e9c570d0ad6d3b0e04c60929a03cf983c62c505fcb6bb9dc3adeee88c78d43bd484159626b4a2f000a34b8883164c263f21e6f4a
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Filesize
1.7MB
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Filesize
648KB
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Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
1.7MB
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Filesize
648KB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
1.7MB
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Filesize
648KB
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Filesize
1.7MB
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Filesize
4KB
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Filesize
752KB
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Filesize
1.7MB
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Filesize
4KB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
348KB
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Filesize
348KB