Analysis
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max time kernel
141s -
max time network
126s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
25-06-2024 15:12
Static task
static1
Behavioral task
behavioral1
Sample
e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral2
Sample
e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.exe
Resource
win11-20240508-en
General
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Target
e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.exe
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Size
4.9MB
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MD5
5d48aeeb5d7b0b1bffa9fefe76399c99
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SHA1
6793364dffef847bd4e37dce174fa769b5844373
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SHA256
e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5
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SHA512
8242b1469f02821935629f6119c2af66672445bdfd4416c990fd7de9fbead6df35de6cd5219ea7978ae755296e44b6b18c1a6b9858e83cf912bc1c68dd21f8b7
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SSDEEP
98304:mCG8f2fktx38UcSfxAdq0ygdITU6Kc8gLJCmw/rdQW/S4GFkgM:vGqYyG2pZ6v6zRomw/hW4u+
Malware Config
Extracted
socks5systemz
dishvuc.info
http://dishvuc.info/search/?q=67e28dd8380ffb281106fa1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978fe71ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff612c2e7969233
http://dishvuc.info/search/?q=67e28dd8380ffb281106fa1d7c27d78406abdd88be4b12eab517aa5c96bd86ec9d854d895a8bbc896c58e713bc90c91936b5281fc235a925ed3e5dd6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9c9939c56c9e1e
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/2360-86-0x0000000000A80000-0x0000000000B22000-memory.dmp family_socks5systemz behavioral2/memory/2360-111-0x0000000000A80000-0x0000000000B22000-memory.dmp family_socks5systemz behavioral2/memory/2360-112-0x0000000000A80000-0x0000000000B22000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.tmpmp3ripfreeedition32.exemp3ripfreeedition32.exepid process 2484 e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.tmp 3680 mp3ripfreeedition32.exe 2360 mp3ripfreeedition32.exe -
Loads dropped DLL 1 IoCs
Processes:
e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.tmppid process 2484 e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.tmp -
Unexpected DNS network traffic destination 1 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 -
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:
e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.tmppid process 2484 e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.exee4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.tmpdescription pid process target process PID 1540 wrote to memory of 2484 1540 e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.exe e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.tmp PID 1540 wrote to memory of 2484 1540 e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.exe e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.tmp PID 1540 wrote to memory of 2484 1540 e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.exe e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.tmp PID 2484 wrote to memory of 3680 2484 e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.tmp mp3ripfreeedition32.exe PID 2484 wrote to memory of 3680 2484 e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.tmp mp3ripfreeedition32.exe PID 2484 wrote to memory of 3680 2484 e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.tmp mp3ripfreeedition32.exe PID 2484 wrote to memory of 2360 2484 e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.tmp mp3ripfreeedition32.exe PID 2484 wrote to memory of 2360 2484 e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.tmp mp3ripfreeedition32.exe PID 2484 wrote to memory of 2360 2484 e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.tmp mp3ripfreeedition32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.exe"C:\Users\Admin\AppData\Local\Temp\e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1540 -
C:\Users\Admin\AppData\Local\Temp\is-6US5N.tmp\e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.tmp"C:\Users\Admin\AppData\Local\Temp\is-6US5N.tmp\e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.tmp" /SL5="$5006E,4905592,54272,C:\Users\Admin\AppData\Local\Temp\e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2484 -
C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe" -i3⤵
- Executes dropped EXE
PID:3680
-
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C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe" -s3⤵
- Executes dropped EXE
PID:2360
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.0MB
MD523d16a31a7a558a57af5df3ccad38d0c
SHA19637c3944e59d68fb4d5a8823f2b9623ec48fabd
SHA25626922abfdf90c48b2ffeaaf77fd4fb28df7aecf7ca585753d0a7f32976b2a4b5
SHA51215de6a6989a221e44645c83560221257d423c6f60fd10f69b18c5fb117e0b44454c46b70b56033ffbdd52d68948ed0808abef8f2d220026fb8f39bfeceed4b61
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C:\Users\Admin\AppData\Local\Temp\is-6US5N.tmp\e4c7a717716c1cac5efbd09e6ea5a497389d0b4f870213deefdddb9c8c852dd5.tmp
Filesize680KB
MD5d127f8888027261f305c5f3f49010ecd
SHA13c74fca88feb692e6cfc7404ff359b50ee63e3ae
SHA256804c947fa51a838dbaebb328f5470e01df04288de8185ccdf2aad5023c918b05
SHA512bb225a2bf9e347f8c83ecc4ac028c849ccb7aafee814870010a261538c9eadbb7f5ca36ba30c95d84ec01fe0f3a97aadbc0fadf71c5f3018f18632359dba095e
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63