Analysis
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max time kernel
143s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
23/03/2024, 14:41
Static task
static1
Behavioral task
behavioral1
Sample
4480d63a90a0688c746403e1619450e9.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
4480d63a90a0688c746403e1619450e9.exe
Resource
win10v2004-20240226-en
General
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Target
4480d63a90a0688c746403e1619450e9.exe
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Size
2.0MB
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MD5
4480d63a90a0688c746403e1619450e9
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SHA1
ea08f3f1433884829b85581e1af96e513ad732c1
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SHA256
2b6d8240ec9d04c86a70334f9d04d47188a8962d7cccfe1553ba6e9e77040518
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SHA512
5bcfe8490601f9706179d629007a35ff200f4f120a2beede02a09b85a61a80e87efde3dc5c88eb0837b9098cf7ffbf003d33500d315cc6e98ab2604c6c2fb89e
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SSDEEP
24576:320xgvrNSewSFhsA9UaMa2qvnB2ZV4Y5tPufQZ0zXHjHI/8oO74rlPVAxK/z9x+c:32h/s22qPDYmfNbHbQ/JPyxKfIz2ZhH
Malware Config
Extracted
socks5systemz
http://cczwvti.net/search/?q=67e28dd86a5ef62a130aa5197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c642db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668cff15c9ec97
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/2664-74-0x00000000025D0000-0x0000000002672000-memory.dmp family_socks5systemz behavioral1/memory/2664-77-0x00000000025D0000-0x0000000002672000-memory.dmp family_socks5systemz behavioral1/memory/2664-86-0x00000000025D0000-0x0000000002672000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2820 4480d63a90a0688c746403e1619450e9.tmp 2644 colorpicker.exe 2664 colorpicker.exe -
Loads dropped DLL 5 IoCs
pid Process 2224 4480d63a90a0688c746403e1619450e9.exe 2820 4480d63a90a0688c746403e1619450e9.tmp 2820 4480d63a90a0688c746403e1619450e9.tmp 2820 4480d63a90a0688c746403e1619450e9.tmp 2820 4480d63a90a0688c746403e1619450e9.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 91.211.247.248 -
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 2224 wrote to memory of 2820 2224 4480d63a90a0688c746403e1619450e9.exe 28 PID 2224 wrote to memory of 2820 2224 4480d63a90a0688c746403e1619450e9.exe 28 PID 2224 wrote to memory of 2820 2224 4480d63a90a0688c746403e1619450e9.exe 28 PID 2224 wrote to memory of 2820 2224 4480d63a90a0688c746403e1619450e9.exe 28 PID 2224 wrote to memory of 2820 2224 4480d63a90a0688c746403e1619450e9.exe 28 PID 2224 wrote to memory of 2820 2224 4480d63a90a0688c746403e1619450e9.exe 28 PID 2224 wrote to memory of 2820 2224 4480d63a90a0688c746403e1619450e9.exe 28 PID 2820 wrote to memory of 2644 2820 4480d63a90a0688c746403e1619450e9.tmp 29 PID 2820 wrote to memory of 2644 2820 4480d63a90a0688c746403e1619450e9.tmp 29 PID 2820 wrote to memory of 2644 2820 4480d63a90a0688c746403e1619450e9.tmp 29 PID 2820 wrote to memory of 2644 2820 4480d63a90a0688c746403e1619450e9.tmp 29 PID 2820 wrote to memory of 2664 2820 4480d63a90a0688c746403e1619450e9.tmp 30 PID 2820 wrote to memory of 2664 2820 4480d63a90a0688c746403e1619450e9.tmp 30 PID 2820 wrote to memory of 2664 2820 4480d63a90a0688c746403e1619450e9.tmp 30 PID 2820 wrote to memory of 2664 2820 4480d63a90a0688c746403e1619450e9.tmp 30
Processes
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C:\Users\Admin\AppData\Local\Temp\4480d63a90a0688c746403e1619450e9.exe"C:\Users\Admin\AppData\Local\Temp\4480d63a90a0688c746403e1619450e9.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2224 -
C:\Users\Admin\AppData\Local\Temp\is-CRKUD.tmp\4480d63a90a0688c746403e1619450e9.tmp"C:\Users\Admin\AppData\Local\Temp\is-CRKUD.tmp\4480d63a90a0688c746403e1619450e9.tmp" /SL5="$400EE,1788021,54272,C:\Users\Admin\AppData\Local\Temp\4480d63a90a0688c746403e1619450e9.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2820 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:2644
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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:2664
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.1MB
MD585116302d8af3431e866b1a5d0cf5d5e
SHA109e15b963c590fb5054f1e1c84ecdc0ce2526a6d
SHA256f20413a98b4094027921ed785672cebc78251a9977c572d0dd77804460734fe1
SHA512957cb4a3b2017542ea4dc6e3903255f3de14a282c8a34ea244602fa91584a7965e594258ac86b0e1f323dcdd1b3f3fb33d65fdbe43d4747f1282d59e1cc6cfbc
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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