Analysis
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max time kernel
143s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
23/03/2024, 15:16
Static task
static1
Behavioral task
behavioral1
Sample
8d2f10057105ec032c4aab9f1d3b7a25.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
8d2f10057105ec032c4aab9f1d3b7a25.exe
Resource
win10v2004-20240226-en
General
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Target
8d2f10057105ec032c4aab9f1d3b7a25.exe
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Size
2.0MB
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MD5
8d2f10057105ec032c4aab9f1d3b7a25
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SHA1
b8023025f8021b52ce3b2498c15babbdacc29de1
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SHA256
4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55
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SHA512
cc7bd42fc34b7d330ebbe63fede57e9d35d2629374cd2bc19cbb7c92fec3973ad67701069e5e9178da8fa521784d6d40239ef02b6c4ce71aaa7da8e4675186fb
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SSDEEP
49152:32rWdv1Gfzcw/B4PdlcDK+hagJbUaSbT/wbNeSy1oyrcjxM8RH:mrhzcuBAYe+kgJYfwbNZMoMixzRH
Malware Config
Extracted
socks5systemz
http://ckifpsi.net/search/?q=67e28dd8690cfb204406a51a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978fe71ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668cff16c0ed9d
http://ckifpsi.net/search/?q=67e28dd8690cfb204406a51a7c27d78406abdd88be4b12eab517aa5c96bd86e993864d865a8bbc896c58e713bc90c91c36b5281fc235a925ed3e5dd6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c1ed959d3bcf67
Signatures
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Detect Socks5Systemz Payload 5 IoCs
resource yara_rule behavioral1/memory/2876-74-0x0000000002310000-0x00000000023B2000-memory.dmp family_socks5systemz behavioral1/memory/2876-76-0x0000000002310000-0x00000000023B2000-memory.dmp family_socks5systemz behavioral1/memory/2876-86-0x0000000002310000-0x00000000023B2000-memory.dmp family_socks5systemz behavioral1/memory/2876-99-0x0000000002310000-0x00000000023B2000-memory.dmp family_socks5systemz behavioral1/memory/2876-100-0x0000000002310000-0x00000000023B2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2796 8d2f10057105ec032c4aab9f1d3b7a25.tmp 2624 colorpicker.exe 2876 colorpicker.exe -
Loads dropped DLL 5 IoCs
pid Process 2964 8d2f10057105ec032c4aab9f1d3b7a25.exe 2796 8d2f10057105ec032c4aab9f1d3b7a25.tmp 2796 8d2f10057105ec032c4aab9f1d3b7a25.tmp 2796 8d2f10057105ec032c4aab9f1d3b7a25.tmp 2796 8d2f10057105ec032c4aab9f1d3b7a25.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 2964 wrote to memory of 2796 2964 8d2f10057105ec032c4aab9f1d3b7a25.exe 28 PID 2964 wrote to memory of 2796 2964 8d2f10057105ec032c4aab9f1d3b7a25.exe 28 PID 2964 wrote to memory of 2796 2964 8d2f10057105ec032c4aab9f1d3b7a25.exe 28 PID 2964 wrote to memory of 2796 2964 8d2f10057105ec032c4aab9f1d3b7a25.exe 28 PID 2964 wrote to memory of 2796 2964 8d2f10057105ec032c4aab9f1d3b7a25.exe 28 PID 2964 wrote to memory of 2796 2964 8d2f10057105ec032c4aab9f1d3b7a25.exe 28 PID 2964 wrote to memory of 2796 2964 8d2f10057105ec032c4aab9f1d3b7a25.exe 28 PID 2796 wrote to memory of 2624 2796 8d2f10057105ec032c4aab9f1d3b7a25.tmp 29 PID 2796 wrote to memory of 2624 2796 8d2f10057105ec032c4aab9f1d3b7a25.tmp 29 PID 2796 wrote to memory of 2624 2796 8d2f10057105ec032c4aab9f1d3b7a25.tmp 29 PID 2796 wrote to memory of 2624 2796 8d2f10057105ec032c4aab9f1d3b7a25.tmp 29 PID 2796 wrote to memory of 2876 2796 8d2f10057105ec032c4aab9f1d3b7a25.tmp 30 PID 2796 wrote to memory of 2876 2796 8d2f10057105ec032c4aab9f1d3b7a25.tmp 30 PID 2796 wrote to memory of 2876 2796 8d2f10057105ec032c4aab9f1d3b7a25.tmp 30 PID 2796 wrote to memory of 2876 2796 8d2f10057105ec032c4aab9f1d3b7a25.tmp 30
Processes
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C:\Users\Admin\AppData\Local\Temp\8d2f10057105ec032c4aab9f1d3b7a25.exe"C:\Users\Admin\AppData\Local\Temp\8d2f10057105ec032c4aab9f1d3b7a25.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2964 -
C:\Users\Admin\AppData\Local\Temp\is-110FC.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp"C:\Users\Admin\AppData\Local\Temp\is-110FC.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp" /SL5="$400BE,1741795,54272,C:\Users\Admin\AppData\Local\Temp\8d2f10057105ec032c4aab9f1d3b7a25.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2796 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:2624
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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:2876
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.0MB
MD5027a5dd229bede5d7943a7a83a50287b
SHA1b93bd15e0d23a5b9d69f18b243f0b24868f219f8
SHA25668c369695c29dd90a03c9fbb6d82d6dc70e3e770441bb21f7c10428ce6bfaf53
SHA512fbcec0e4b177a5f7ec84b716e040240fd81522e2fac1c860b7e2e8b120719a3592d788410037b54d44c3bddfeaee19781a06987e97628ab8445fb270904aa5fc
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Filesize
677KB
MD5d394fc26de69f06950dc1c71959b0261
SHA17c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA51263ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3