Analysis
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max time kernel
294s -
max time network
290s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
30-05-2024 22:46
Static task
static1
Behavioral task
behavioral1
Sample
37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe
Resource
win10-20240404-en
General
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Target
37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe
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Size
5.9MB
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MD5
3f21c87343ac2570c3e8039ad1bb2dea
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SHA1
47dfa60ab6e601a53195dd14c6b727148a0ef185
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SHA256
37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d
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SHA512
a72b56ce19912bee26e6c5a10a799e819850309d65735eab98075c0766161435a4da08c44ff969d7d11bcbfb3f4c094f6a880f72f8cab8fadf97ab4a673e3436
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SSDEEP
98304:mt834logbLItG0Vaz3ad96LPhhwWQ06NaEM4qpJ2N+YgTUjAN/ZIqckI0ihWGXiO:rsI4BqghwxaftaN+PTUMN/ZRI02U7cLJ
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2492-95-0x00000000026A0000-0x0000000002742000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmpringtonemakerfe.exeringtonemakerfe.exepid process 2732 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp 2504 ringtonemakerfe.exe 2492 ringtonemakerfe.exe -
Loads dropped DLL 6 IoCs
Processes:
37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmppid process 2940 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe 2732 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp 2732 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp 2732 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp 2732 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp 2732 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.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 141.98.234.31 Destination IP 141.98.234.31 -
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:
37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmppid process 2732 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmpdescription pid process target process PID 2940 wrote to memory of 2732 2940 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp PID 2940 wrote to memory of 2732 2940 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp PID 2940 wrote to memory of 2732 2940 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp PID 2940 wrote to memory of 2732 2940 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp PID 2940 wrote to memory of 2732 2940 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp PID 2940 wrote to memory of 2732 2940 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp PID 2940 wrote to memory of 2732 2940 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp PID 2732 wrote to memory of 2504 2732 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp ringtonemakerfe.exe PID 2732 wrote to memory of 2504 2732 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp ringtonemakerfe.exe PID 2732 wrote to memory of 2504 2732 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp ringtonemakerfe.exe PID 2732 wrote to memory of 2504 2732 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp ringtonemakerfe.exe PID 2732 wrote to memory of 2492 2732 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp ringtonemakerfe.exe PID 2732 wrote to memory of 2492 2732 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp ringtonemakerfe.exe PID 2732 wrote to memory of 2492 2732 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp ringtonemakerfe.exe PID 2732 wrote to memory of 2492 2732 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp ringtonemakerfe.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe"C:\Users\Admin\AppData\Local\Temp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2940 -
C:\Users\Admin\AppData\Local\Temp\is-5U2KM.tmp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp"C:\Users\Admin\AppData\Local\Temp\is-5U2KM.tmp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp" /SL5="$30144,5977211,54272,C:\Users\Admin\AppData\Local\Temp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2732 -
C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe"C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe" -i3⤵
- Executes dropped EXE
PID:2504
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C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe"C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe" -s3⤵
- Executes dropped EXE
PID:2492
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.4MB
MD5eb200b018a96facd0570ab212ce06378
SHA1398743cc717dd4de5da468f77fb42202dbb33bc7
SHA2563349a0d56677d86ebc01adee03e306275216d8b9cdd50a9a373cd851342ad575
SHA512e78b2220a527c2dc6a1866492f50d8be491ecbc6e088ebbe6db8406cb60ce9bbd6574c47306b8e40ebd44b45760a41431282091331ad534217a5649782a02105
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\Users\Admin\AppData\Local\Temp\is-5U2KM.tmp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp
Filesize680KB
MD5b7289eddee858433e99222c056f54576
SHA14d972cde373fcf8df259be1b5fcafe44357ea64b
SHA2562bb15c78f05c5000fab1bded860ca7c0059345c5d29fd542210172cada980478
SHA51238eb10b404204958e1dc593118ef186feb647309d84f6396d533818b725ab434173101bc29f11b076ef5c23e406209be8c2be968cc20d7922ae9588b2b9ce22a
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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