Analysis
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max time kernel
147s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
23/03/2024, 11:56
Static task
static1
Behavioral task
behavioral1
Sample
81ff59064aee2985951585849fdb1e72.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
81ff59064aee2985951585849fdb1e72.exe
Resource
win10v2004-20240226-en
General
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Target
81ff59064aee2985951585849fdb1e72.exe
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Size
2.0MB
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MD5
81ff59064aee2985951585849fdb1e72
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SHA1
86e8537fdec1a12be3a79318ef37ac8137edcbea
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SHA256
6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171
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SHA512
8e7dcea7445b2f9ffd11991f700036a28f24df3d4b27b252dad829d844fefc25afdd2ce0b7112c71255421b4776b07e388d0d2f413f1177c6222b55e1fe2269d
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SSDEEP
49152:32wTpneykPmxLYSeue04pW3bJr7yOtXXJBdb5v/gDe7D:mwTpnHJYSupW31KQXxF3gDc
Malware Config
Extracted
socks5systemz
http://boqgvrr.com/search/?q=67e28dd83d5fa62d1358fa4d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668ff614c0ec92
http://boqgvrr.com/search/?q=67e28dd83d5fa62d1358fa4d7c27d78406abdd88be4b12eab517aa5c96bd86e9918e4c875a8bbc896c58e713bc90c91836b5281fc235a925ed3e5cd6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c1ee9c9f3bce68
Signatures
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Detect Socks5Systemz Payload 4 IoCs
resource yara_rule behavioral1/memory/2032-75-0x0000000002690000-0x0000000002732000-memory.dmp family_socks5systemz behavioral1/memory/2032-87-0x0000000002690000-0x0000000002732000-memory.dmp family_socks5systemz behavioral1/memory/2032-100-0x0000000002690000-0x0000000002732000-memory.dmp family_socks5systemz behavioral1/memory/2032-101-0x0000000002690000-0x0000000002732000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1820 81ff59064aee2985951585849fdb1e72.tmp 1972 colorpicker.exe 2032 colorpicker.exe -
Loads dropped DLL 5 IoCs
pid Process 2236 81ff59064aee2985951585849fdb1e72.exe 1820 81ff59064aee2985951585849fdb1e72.tmp 1820 81ff59064aee2985951585849fdb1e72.tmp 1820 81ff59064aee2985951585849fdb1e72.tmp 1820 81ff59064aee2985951585849fdb1e72.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 2236 wrote to memory of 1820 2236 81ff59064aee2985951585849fdb1e72.exe 30 PID 2236 wrote to memory of 1820 2236 81ff59064aee2985951585849fdb1e72.exe 30 PID 2236 wrote to memory of 1820 2236 81ff59064aee2985951585849fdb1e72.exe 30 PID 2236 wrote to memory of 1820 2236 81ff59064aee2985951585849fdb1e72.exe 30 PID 2236 wrote to memory of 1820 2236 81ff59064aee2985951585849fdb1e72.exe 30 PID 2236 wrote to memory of 1820 2236 81ff59064aee2985951585849fdb1e72.exe 30 PID 2236 wrote to memory of 1820 2236 81ff59064aee2985951585849fdb1e72.exe 30 PID 1820 wrote to memory of 1972 1820 81ff59064aee2985951585849fdb1e72.tmp 31 PID 1820 wrote to memory of 1972 1820 81ff59064aee2985951585849fdb1e72.tmp 31 PID 1820 wrote to memory of 1972 1820 81ff59064aee2985951585849fdb1e72.tmp 31 PID 1820 wrote to memory of 1972 1820 81ff59064aee2985951585849fdb1e72.tmp 31 PID 1820 wrote to memory of 2032 1820 81ff59064aee2985951585849fdb1e72.tmp 32 PID 1820 wrote to memory of 2032 1820 81ff59064aee2985951585849fdb1e72.tmp 32 PID 1820 wrote to memory of 2032 1820 81ff59064aee2985951585849fdb1e72.tmp 32 PID 1820 wrote to memory of 2032 1820 81ff59064aee2985951585849fdb1e72.tmp 32
Processes
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C:\Users\Admin\AppData\Local\Temp\81ff59064aee2985951585849fdb1e72.exe"C:\Users\Admin\AppData\Local\Temp\81ff59064aee2985951585849fdb1e72.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2236 -
C:\Users\Admin\AppData\Local\Temp\is-B2KK4.tmp\81ff59064aee2985951585849fdb1e72.tmp"C:\Users\Admin\AppData\Local\Temp\is-B2KK4.tmp\81ff59064aee2985951585849fdb1e72.tmp" /SL5="$70122,1696724,54272,C:\Users\Admin\AppData\Local\Temp\81ff59064aee2985951585849fdb1e72.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1820 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:1972
-
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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:2032
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.5MB
MD51ff937612cf1b4379438729ac5b1ece7
SHA1f8301a8d0c19c8d9d86bbc9e53ba52b9a07eef80
SHA2567964b6ce1b2a70985b7d38edf56e9db36d2e191674b7176ad02ff37aafcca29f
SHA512733e5df3337728e7eb68a55e2c5926aa7deffa612d402abfd2fb94f45cce7886dbe260dbe67e3bc793f29704d34eea4e8b5f980b012d66b1bf8bf77a2d269eff
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Filesize
1020KB
MD57e3fc1d3cd1892a759a9bcdf061b8c14
SHA1a11dfe35ad2a83600dd745e5e59f706f49ce1bb1
SHA2567beff21583972ceac81709a6762ccd8df2298ccfc27d323cdba21968b3d0c7dd
SHA5124414186d85721bc73c99aec431d008c191d7dc79b92349d933637f678d70ee396499910645832df9c9f6b4b66ce5f187100026b884bafdea79001cd66d37bfc7
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Filesize
1.1MB
MD5f2b0c273f2e48f03713ff40f5edae1b2
SHA13cdee6d814a3a2da682c966869ba4e39e2990870
SHA256551ce64534291afd10acf8914714d2dc6161400d061dfec9d0a4702b4a68a1ec
SHA512d571cd19cedb5e9aa1089989cf816e1c36273deee3384cd5eaa6115b70e00735c2737dd981677bc7293293a0437111201694691063b9eac1b0645c8e57a9217d
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Filesize
2.0MB
MD57e7e6a14c9a33e1d872bdfcd6f01df79
SHA17e8e4ab16f34ca58187c6cc607c6762d575bf888
SHA256c2d9b32599563008ad23cc524da0dc03eeabd0f5c75ad92fbc7993531125639a
SHA512d6a68fa321637bdb596aafc92bbe5192e9a0bac2ebbb872fd551e01f2de939f9db2ca7765a124a864aaeb6613c7c86104111cfb0eeeab1be31adc323f328c668
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Filesize
677KB
MD592f7775908bb12183914bb0753782913
SHA18d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA5127e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3