Analysis
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max time kernel
141s -
max time network
130s -
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 13:07
Static task
static1
Behavioral task
behavioral1
Sample
6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.exe
Resource
win11-20240508-en
General
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Target
6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.exe
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Size
4.9MB
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MD5
d3b82b0fcfc916616bdaa8abc0ca5533
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SHA1
c475fb40a0bbeb50affa577192a49a44100e7493
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SHA256
6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9
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SHA512
925b47f4cac0eedd642ebfde0eb84748e3dc1b9381fe567f819a9ad4c42df2906c1c9106fe3c0b982116092f997b6c0f2b4ed97beaca05a578921dbcc85181cc
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SSDEEP
98304:mBKz9BOQJxX0su8oY0AV4udhnJKGpm1iUC5DKrk4qJDCHJ:O4OQJxX1vWPEXfp7N+fMCHJ
Malware Config
Extracted
socks5systemz
ddehewj.info
http://ddehewj.info/search/?q=67e28dd8380ffb281106fa1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978fe71ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff612c2ef9c9933
http://ddehewj.info/search/?q=67e28dd8380ffb281106fa1d7c27d78406abdd88be4b12eab517aa5c96bd86ec9d854d895a8bbc896c58e713bc90c91936b5281fc235a925ed3e5dd6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9c9939cd66951e
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/4304-87-0x0000000000AA0000-0x0000000000B42000-memory.dmp family_socks5systemz behavioral2/memory/4304-113-0x0000000000AA0000-0x0000000000B42000-memory.dmp family_socks5systemz behavioral2/memory/4304-112-0x0000000000AA0000-0x0000000000B42000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.tmpmp3ripfreeedition32.exemp3ripfreeedition32.exepid process 124 6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.tmp 3200 mp3ripfreeedition32.exe 4304 mp3ripfreeedition32.exe -
Loads dropped DLL 1 IoCs
Processes:
6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.tmppid process 124 6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.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:
6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.tmppid process 124 6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.exe6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.tmpdescription pid process target process PID 3820 wrote to memory of 124 3820 6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.exe 6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.tmp PID 3820 wrote to memory of 124 3820 6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.exe 6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.tmp PID 3820 wrote to memory of 124 3820 6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.exe 6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.tmp PID 124 wrote to memory of 3200 124 6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.tmp mp3ripfreeedition32.exe PID 124 wrote to memory of 3200 124 6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.tmp mp3ripfreeedition32.exe PID 124 wrote to memory of 3200 124 6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.tmp mp3ripfreeedition32.exe PID 124 wrote to memory of 4304 124 6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.tmp mp3ripfreeedition32.exe PID 124 wrote to memory of 4304 124 6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.tmp mp3ripfreeedition32.exe PID 124 wrote to memory of 4304 124 6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.tmp mp3ripfreeedition32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.exe"C:\Users\Admin\AppData\Local\Temp\6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3820 -
C:\Users\Admin\AppData\Local\Temp\is-SJ6T9.tmp\6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.tmp"C:\Users\Admin\AppData\Local\Temp\is-SJ6T9.tmp\6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.tmp" /SL5="$60102,4893059,54272,C:\Users\Admin\AppData\Local\Temp\6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:124 -
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:3200
-
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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:4304
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.0MB
MD5996b2aae3843b80bf9254c2094a988bb
SHA16fad18dc60840cc28825cb142aa2d2f45d139a9c
SHA2560e30d081254cf6f9f8dcbfb77466becdb12665b9821e028a6e5a9904ab6f18bf
SHA5126763d963a7e5bf3c0e7ab3fbfc9141916ed627b2c2fcdaac4e1e2eaa94078f612f29b54e732ceff32d08eb713aa02251129adedca04780178b9fc45e3f98587e
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-SJ6T9.tmp\6f47a85be9fd6a3dba1393c571fce6b7fa1d8d80355fd0604673bb26e8cc0bd9.tmp
Filesize680KB
MD52620d1ee4c2ea193c4cc310d985e2288
SHA1de6aed97e1aa90a602c746be1d8aba249773c884
SHA2566912e9b9c05e86753dabadc66c64118563ec7fb8905aa943abe288e08dc5524a
SHA512cf39eee2e27d6f944cffda162ff7285d4aa0fd9c70a923426c6e227497f9650c225634d75212a06cb30aa36041b77b0ff10df34ca6560edfea56bbfed46ded2b