Analysis
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max time kernel
143s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
23/03/2024, 15:46
Static task
static1
Behavioral task
behavioral1
Sample
245feb1863027e245b3de9957ae20ae6.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
245feb1863027e245b3de9957ae20ae6.exe
Resource
win10v2004-20240226-en
General
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Target
245feb1863027e245b3de9957ae20ae6.exe
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Size
2.0MB
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MD5
245feb1863027e245b3de9957ae20ae6
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SHA1
17ca0ff141577f13e1c5194c03f49c894037a709
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SHA256
6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5
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SHA512
0f0470294de37c2988c66b0268f85108e5c4f641d6df0beba6198e1d60401fd992929c158f20aacc515af192af1a2ca2a27cf8f4a599fd840c38010c5b19c2e9
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SSDEEP
49152:326cyROWJGguankmaHmFxdPr9Pz/I4pHCH:mFyLYAkmaGBPJzCH
Malware Config
Extracted
socks5systemz
http://ejfyzbo.ua/search/?q=67e28dd83f0bf1291606a9177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f171ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668cff19c8ec97
http://ejfyzbo.ua/search/?q=67e28dd83f0bf1291606a9177c27d78406abdd88be4b12eab517aa5c96bd86e99d824a815a8bbc896c58e713bc90c91836b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c1ed959233ce6d
Signatures
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Detect Socks5Systemz Payload 5 IoCs
resource yara_rule behavioral1/memory/2436-74-0x0000000002600000-0x00000000026A2000-memory.dmp family_socks5systemz behavioral1/memory/2436-77-0x0000000002600000-0x00000000026A2000-memory.dmp family_socks5systemz behavioral1/memory/2436-86-0x0000000002600000-0x00000000026A2000-memory.dmp family_socks5systemz behavioral1/memory/2436-99-0x0000000002600000-0x00000000026A2000-memory.dmp family_socks5systemz behavioral1/memory/2436-100-0x0000000002600000-0x00000000026A2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2988 245feb1863027e245b3de9957ae20ae6.tmp 2716 colorpicker.exe 2436 colorpicker.exe -
Loads dropped DLL 5 IoCs
pid Process 2204 245feb1863027e245b3de9957ae20ae6.exe 2988 245feb1863027e245b3de9957ae20ae6.tmp 2988 245feb1863027e245b3de9957ae20ae6.tmp 2988 245feb1863027e245b3de9957ae20ae6.tmp 2988 245feb1863027e245b3de9957ae20ae6.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 15 IoCs
description pid Process procid_target PID 2204 wrote to memory of 2988 2204 245feb1863027e245b3de9957ae20ae6.exe 28 PID 2204 wrote to memory of 2988 2204 245feb1863027e245b3de9957ae20ae6.exe 28 PID 2204 wrote to memory of 2988 2204 245feb1863027e245b3de9957ae20ae6.exe 28 PID 2204 wrote to memory of 2988 2204 245feb1863027e245b3de9957ae20ae6.exe 28 PID 2204 wrote to memory of 2988 2204 245feb1863027e245b3de9957ae20ae6.exe 28 PID 2204 wrote to memory of 2988 2204 245feb1863027e245b3de9957ae20ae6.exe 28 PID 2204 wrote to memory of 2988 2204 245feb1863027e245b3de9957ae20ae6.exe 28 PID 2988 wrote to memory of 2716 2988 245feb1863027e245b3de9957ae20ae6.tmp 29 PID 2988 wrote to memory of 2716 2988 245feb1863027e245b3de9957ae20ae6.tmp 29 PID 2988 wrote to memory of 2716 2988 245feb1863027e245b3de9957ae20ae6.tmp 29 PID 2988 wrote to memory of 2716 2988 245feb1863027e245b3de9957ae20ae6.tmp 29 PID 2988 wrote to memory of 2436 2988 245feb1863027e245b3de9957ae20ae6.tmp 30 PID 2988 wrote to memory of 2436 2988 245feb1863027e245b3de9957ae20ae6.tmp 30 PID 2988 wrote to memory of 2436 2988 245feb1863027e245b3de9957ae20ae6.tmp 30 PID 2988 wrote to memory of 2436 2988 245feb1863027e245b3de9957ae20ae6.tmp 30
Processes
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C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.exe"C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2204 -
C:\Users\Admin\AppData\Local\Temp\is-VCL5L.tmp\245feb1863027e245b3de9957ae20ae6.tmp"C:\Users\Admin\AppData\Local\Temp\is-VCL5L.tmp\245feb1863027e245b3de9957ae20ae6.tmp" /SL5="$400BE,1751749,54272,C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2988 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:2716
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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:2436
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.5MB
MD54710bf039beac17a3f50706bed73ea7e
SHA1f4895d7ff6ca5eefbf16caa3171bdfa01147d362
SHA2565b4df4c3f0fdcef0b8d8b4db946f03c2c35896f010ba2636f71287cec65a57cb
SHA5126dbcc971ba599e9e2307f62bb9f8bb4d8ce28fabc958acf987791e5bd0ad61ff228a64e4a5c692d1a882d0fc20ab9fe3109cc3614f14e9e3efdb668f88d128d4
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Filesize
2.1MB
MD55bf4fd07283eb6ab99dadb779af6cbe3
SHA1cff589efc4d760fec33f34a020ef864769c342c4
SHA256ffc409757222843c77e68c2b1b933abfd33d21fb8b6989b8ea440170f411d7ec
SHA512c365399a280a178065fbbff01406b21489af50b51a61f1774fca5155ea013819ff601c9d2c7b4caa049c696a815b19a4bfbb3fa7bbaaf4cc052c0ee4f652534a
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
677KB
MD5d394fc26de69f06950dc1c71959b0261
SHA17c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA51263ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10