Analysis
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max time kernel
141s -
max time network
127s -
platform
windows11-21h2_x64 -
resource
win11-20240214-en -
resource tags
arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system -
submitted
23/03/2024, 14:58
Static task
static1
Behavioral task
behavioral1
Sample
439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.exe
Resource
win11-20240214-en
General
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Target
439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.exe
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Size
2.2MB
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MD5
e4bbedd728a07b1b2941e5f59e90ccff
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SHA1
7ae938d9e714370991b7015423e7ecf1ca18f5b6
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SHA256
439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d
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SHA512
f89ce3ecbc86d5d91b8a83c805a67457f12bf7a72afb2aabea07b5dd6f2a5e9a80b30757bf9d9b64d6b39538f66c71eecaf143246141677c92438383468ec80c
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SSDEEP
49152:32bIF4983HKTmzVLWla5GtqkXlXs0RGtYgCIIyCAITIpHY47H:mbU4CUsLSa5wqO6CRIhX247H
Malware Config
Extracted
socks5systemz
http://bdglieu.com/search/?q=67e28dd83a58f22a160bab1e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a071ea771795af8e05c642db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe13c0ea9c9e32
http://bdglieu.com/search/?q=67e28dd83a58f22a160bab1e7c27d78406abdd88be4b12eab517aa5c96bd86ef968344815a8bbc896c58e713bc90c91936b5281fc235a925ed3e03d6bd974a95129070b611e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee94983bc866921f
Signatures
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Detect Socks5Systemz Payload 5 IoCs
resource yara_rule behavioral2/memory/3700-65-0x00000000023F0000-0x0000000002492000-memory.dmp family_socks5systemz behavioral2/memory/3700-69-0x00000000023F0000-0x0000000002492000-memory.dmp family_socks5systemz behavioral2/memory/3700-78-0x00000000023F0000-0x0000000002492000-memory.dmp family_socks5systemz behavioral2/memory/3700-91-0x00000000023F0000-0x0000000002492000-memory.dmp family_socks5systemz behavioral2/memory/3700-92-0x00000000023F0000-0x0000000002492000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1456 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp 4132 colorpicker.exe 3700 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 1456 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.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 152.89.198.214 -
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 4876 wrote to memory of 1456 4876 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.exe 77 PID 4876 wrote to memory of 1456 4876 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.exe 77 PID 4876 wrote to memory of 1456 4876 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.exe 77 PID 1456 wrote to memory of 4132 1456 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp 78 PID 1456 wrote to memory of 4132 1456 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp 78 PID 1456 wrote to memory of 4132 1456 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp 78 PID 1456 wrote to memory of 3700 1456 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp 79 PID 1456 wrote to memory of 3700 1456 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp 79 PID 1456 wrote to memory of 3700 1456 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp 79
Processes
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C:\Users\Admin\AppData\Local\Temp\439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.exe"C:\Users\Admin\AppData\Local\Temp\439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4876 -
C:\Users\Admin\AppData\Local\Temp\is-OPEQ6.tmp\439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp"C:\Users\Admin\AppData\Local\Temp\is-OPEQ6.tmp\439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp" /SL5="$4021E,1952650,54272,C:\Users\Admin\AppData\Local\Temp\439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1456 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:4132
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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:3700
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
793KB
MD5f647d6e3f0bf02b0e135167cfa849870
SHA1e970d81ecfe93cb6315993ec7c06c4ee8aa9e6f9
SHA256870788820d1c6eaaef7b92d741998570aec67f0be31cbf2a1e9d3ce5c794f0fa
SHA512d19e384e8a0003510eb7bea54e1eaaa3a1095dfdb49b9de94a71f301f031ff3eddac8cc995fed7724a38b09861145a908dab33dce109b447bb06c3752991b700
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Filesize
515KB
MD5b6bb8fe2a7245a61943e530967af5c7a
SHA1466689829c07f42b7897e91d6afaea3862fda7ed
SHA2568e73cef30b4e40cb42735ea168d584a77231eeffa69146803524333ab585d410
SHA512d3ece1e10495fbce7e5e81404a0f904dd3db30317805de6a844d4c278897fe2349b5d5e348dee395760b561e5f9731839608b4ce7c9885470dacaf4967696954
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Filesize
607KB
MD589b40eba6a3b17d0930f85a600eb7274
SHA1be3bf06fbc6038d7d10d18eda5638a61330400cf
SHA256d0ea95499c2b4d801bea5ab446fbb3309d8ad69915977b90606abef1e9544a57
SHA512cb152ef521830b3d437d1faad1a050c8a7d55a3414136c4de4a20365dcf81b249e27931ec0d4c84b89448a93e1ba076c75a8c326ee917087a37daa1b3fff59da
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-OPEQ6.tmp\439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp
Filesize66KB
MD572e3eb8a01cadb1b21e4b4d62f12fc50
SHA1f4a27887ee400e9f094d5e8d45d240c59e0b56f2
SHA256a715e886ffb743f9a5e99b0d15cc84c92780ef0f41b105ccf8508ab52d5ef94d
SHA5123a12c40836a0fff642b2bd22427a80a91e554854a293086f6a40f3279ba37466ebd78a6bbcef8cddd4e1f9adafa2a2803b81ce1380a392325b0d1db20b5b1228
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C:\Users\Admin\AppData\Local\Temp\is-OPEQ6.tmp\439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp
Filesize73KB
MD5e631c2542041407f09d085679f6f9b40
SHA156b6ccbb9d749ac3acb792a66be1e9534107ad8c
SHA2569545fbe57daec3e8471116da9ac39b71fa53aedd4bcf3027ad1153c6c6bf7451
SHA512505b4d6db00c78e806494ae161081d2bafda5d83143a20f86d307278a6b9e7410f833691546f08157c851d57010e113b433b779c82c424eebc3352ed4eae6056