Analysis
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max time kernel
141s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
23/03/2024, 12:48
Static task
static1
Behavioral task
behavioral1
Sample
52163387ac79fcae8f19d7801ebd967cb8399bf029b992aa4d19dcb952f36fe8.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral2
Sample
52163387ac79fcae8f19d7801ebd967cb8399bf029b992aa4d19dcb952f36fe8.exe
Resource
win11-20240221-en
General
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Target
52163387ac79fcae8f19d7801ebd967cb8399bf029b992aa4d19dcb952f36fe8.exe
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Size
2.0MB
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MD5
15f5ede7f8cbfde19d9771f8e5e5f70e
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SHA1
ed70338066bd55ebef1553505b53106c9646cb1e
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SHA256
52163387ac79fcae8f19d7801ebd967cb8399bf029b992aa4d19dcb952f36fe8
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SHA512
eb2e41dbf0e0f65ba667ad5e73fb5410999d1d829c8657b07c67e03e1f13b182e30cebf8a71ad649dc26df374180ad2fc14015f6701497975ec1cb823aeef6c6
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SSDEEP
49152:323zq2BfD+megndQOaeTSAImO6VPQb5SwYWLI50wYe7D:m3m2BfDUgdQEHZVoFSwYWclYc
Malware Config
Extracted
socks5systemz
http://bxguffj.com/search/?q=67e28dd86e0bf32a420fa9187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c9e794923c
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/900-65-0x00000000008A0000-0x0000000000942000-memory.dmp family_socks5systemz behavioral1/memory/900-70-0x00000000008A0000-0x0000000000942000-memory.dmp family_socks5systemz behavioral1/memory/900-79-0x00000000008A0000-0x0000000000942000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 948 52163387ac79fcae8f19d7801ebd967cb8399bf029b992aa4d19dcb952f36fe8.tmp 2980 colorpicker.exe 900 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 948 52163387ac79fcae8f19d7801ebd967cb8399bf029b992aa4d19dcb952f36fe8.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 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 WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1180 wrote to memory of 948 1180 52163387ac79fcae8f19d7801ebd967cb8399bf029b992aa4d19dcb952f36fe8.exe 85 PID 1180 wrote to memory of 948 1180 52163387ac79fcae8f19d7801ebd967cb8399bf029b992aa4d19dcb952f36fe8.exe 85 PID 1180 wrote to memory of 948 1180 52163387ac79fcae8f19d7801ebd967cb8399bf029b992aa4d19dcb952f36fe8.exe 85 PID 948 wrote to memory of 2980 948 52163387ac79fcae8f19d7801ebd967cb8399bf029b992aa4d19dcb952f36fe8.tmp 86 PID 948 wrote to memory of 2980 948 52163387ac79fcae8f19d7801ebd967cb8399bf029b992aa4d19dcb952f36fe8.tmp 86 PID 948 wrote to memory of 2980 948 52163387ac79fcae8f19d7801ebd967cb8399bf029b992aa4d19dcb952f36fe8.tmp 86 PID 948 wrote to memory of 900 948 52163387ac79fcae8f19d7801ebd967cb8399bf029b992aa4d19dcb952f36fe8.tmp 87 PID 948 wrote to memory of 900 948 52163387ac79fcae8f19d7801ebd967cb8399bf029b992aa4d19dcb952f36fe8.tmp 87 PID 948 wrote to memory of 900 948 52163387ac79fcae8f19d7801ebd967cb8399bf029b992aa4d19dcb952f36fe8.tmp 87
Processes
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C:\Users\Admin\AppData\Local\Temp\52163387ac79fcae8f19d7801ebd967cb8399bf029b992aa4d19dcb952f36fe8.exe"C:\Users\Admin\AppData\Local\Temp\52163387ac79fcae8f19d7801ebd967cb8399bf029b992aa4d19dcb952f36fe8.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1180 -
C:\Users\Admin\AppData\Local\Temp\is-PV343.tmp\52163387ac79fcae8f19d7801ebd967cb8399bf029b992aa4d19dcb952f36fe8.tmp"C:\Users\Admin\AppData\Local\Temp\is-PV343.tmp\52163387ac79fcae8f19d7801ebd967cb8399bf029b992aa4d19dcb952f36fe8.tmp" /SL5="$6006A,1766439,54272,C:\Users\Admin\AppData\Local\Temp\52163387ac79fcae8f19d7801ebd967cb8399bf029b992aa4d19dcb952f36fe8.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:948 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:2980
-
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C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s3⤵
- Executes dropped EXE
PID:900
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
423KB
MD5d57e810c6b6d68dbd2c527544ec2ec93
SHA1b7e285779c0f50715b448b4d54ff727cb7d57fbe
SHA25647a1b889853a59083fc983c87f5600ed58d8679ee46869165ef9479fc5092d9f
SHA512ed03a86ad0978eb0dbd234e151d9e5213515971c09d0d8bdecdca5a5edd9a475291ad00598a4dead44e71e9a07c95a326e20377c89e7fc04558915f6490ee106
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Filesize
2.1MB
MD53a5e4e943ed34a40d43ee82d0c515eee
SHA1f31e0f03a5636619378d5acd590e430fc02c95ff
SHA2568a295030127fd8f738756a907195bcbdfdd0637865cc4e6507c4abcac790fc00
SHA512938326696049cf60db866364d6589f58eef5733f59b145f07b73343575918a792b42fc1e8659d6409fd90dba3ea4efd3c4f1b834a958cfae5e306fa2882d3ab2
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-PV343.tmp\52163387ac79fcae8f19d7801ebd967cb8399bf029b992aa4d19dcb952f36fe8.tmp
Filesize677KB
MD592f7775908bb12183914bb0753782913
SHA18d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA5127e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39