Analysis
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max time kernel
145s -
max time network
131s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
23/03/2024, 16:01
Static task
static1
Behavioral task
behavioral1
Sample
a43170914d691e584583b0e1023f7d29.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a43170914d691e584583b0e1023f7d29.exe
Resource
win10v2004-20240226-en
General
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Target
a43170914d691e584583b0e1023f7d29.exe
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Size
2.2MB
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MD5
a43170914d691e584583b0e1023f7d29
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SHA1
2a814e366e3d6eb503f0eb398496f7e01470d6d2
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SHA256
25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3
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SHA512
de188e27905264204e5371fc92b512b4053fe7dc6b05e5659ca93d47a5f986ece802352e14f41488dc2bc01b95876619186a90b4f7009509c1f0d4fa76ecded9
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SSDEEP
49152:3260I7BCcfemAVm2VrO5jTzyXyOBuY7hIqrmmA/VzmgH:m6lCcfDAxOlTeXRR7hIqrUV1H
Malware Config
Extracted
socks5systemz
http://ejpopbc.ua/search/?q=67e28dd8395dfb2f495fac1e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c642db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668cff18c7ec96
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/2960-75-0x00000000022E0000-0x0000000002382000-memory.dmp family_socks5systemz behavioral1/memory/2960-77-0x00000000022E0000-0x0000000002382000-memory.dmp family_socks5systemz behavioral1/memory/2960-86-0x00000000022E0000-0x0000000002382000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2992 a43170914d691e584583b0e1023f7d29.tmp 2624 colorpicker.exe 2960 colorpicker.exe -
Loads dropped DLL 5 IoCs
pid Process 2280 a43170914d691e584583b0e1023f7d29.exe 2992 a43170914d691e584583b0e1023f7d29.tmp 2992 a43170914d691e584583b0e1023f7d29.tmp 2992 a43170914d691e584583b0e1023f7d29.tmp 2992 a43170914d691e584583b0e1023f7d29.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 45.155.250.90 -
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 2280 wrote to memory of 2992 2280 a43170914d691e584583b0e1023f7d29.exe 28 PID 2280 wrote to memory of 2992 2280 a43170914d691e584583b0e1023f7d29.exe 28 PID 2280 wrote to memory of 2992 2280 a43170914d691e584583b0e1023f7d29.exe 28 PID 2280 wrote to memory of 2992 2280 a43170914d691e584583b0e1023f7d29.exe 28 PID 2280 wrote to memory of 2992 2280 a43170914d691e584583b0e1023f7d29.exe 28 PID 2280 wrote to memory of 2992 2280 a43170914d691e584583b0e1023f7d29.exe 28 PID 2280 wrote to memory of 2992 2280 a43170914d691e584583b0e1023f7d29.exe 28 PID 2992 wrote to memory of 2624 2992 a43170914d691e584583b0e1023f7d29.tmp 29 PID 2992 wrote to memory of 2624 2992 a43170914d691e584583b0e1023f7d29.tmp 29 PID 2992 wrote to memory of 2624 2992 a43170914d691e584583b0e1023f7d29.tmp 29 PID 2992 wrote to memory of 2624 2992 a43170914d691e584583b0e1023f7d29.tmp 29 PID 2992 wrote to memory of 2960 2992 a43170914d691e584583b0e1023f7d29.tmp 30 PID 2992 wrote to memory of 2960 2992 a43170914d691e584583b0e1023f7d29.tmp 30 PID 2992 wrote to memory of 2960 2992 a43170914d691e584583b0e1023f7d29.tmp 30 PID 2992 wrote to memory of 2960 2992 a43170914d691e584583b0e1023f7d29.tmp 30
Processes
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C:\Users\Admin\AppData\Local\Temp\a43170914d691e584583b0e1023f7d29.exe"C:\Users\Admin\AppData\Local\Temp\a43170914d691e584583b0e1023f7d29.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2280 -
C:\Users\Admin\AppData\Local\Temp\is-HERD8.tmp\a43170914d691e584583b0e1023f7d29.tmp"C:\Users\Admin\AppData\Local\Temp\is-HERD8.tmp\a43170914d691e584583b0e1023f7d29.tmp" /SL5="$30130,1970008,54272,C:\Users\Admin\AppData\Local\Temp\a43170914d691e584583b0e1023f7d29.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2992 -
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:2960
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5efdc89c9ca51e15428ec69cb3d31aad8
SHA16f6efe09bf896d13b2c35e1730548cca4445570e
SHA2568e525ff56f95b6f8b013a26f95cfdf9f82e7d4370b720b03c1dd04eebeb90a34
SHA512a70cc5f2a7798e62e96538aa1daa9f5ef0f98a86b56bbc9567ca9b4a2126667228565ee0f497182a7773ae69262ff37afca4bc6703a105e9a025118c29edfc3c
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Filesize
2.2MB
MD5ca07d355c80b303ac9edbf3d9b5492f3
SHA1f09e8e52c3bb53e20f1623321ef2e0da693ebe85
SHA256d144face050d52cf3beba96a24ff6bc79f01a621ee19801dbea49079fee42da8
SHA5128961bc69e102623303d9cd943b9f2df32d8597958a0e3e51a41a84421de1c8037fd9a5e32f86a429f4ec551fcdd9a9b8d1b034a2644d3031abf8b1b5c9e5efdc
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Filesize
72KB
MD5306d0b4352c70e69e60ee2fa1be419ad
SHA1d9ac57670c1091350b6d1293f73491e39a5a4455
SHA2562a29e3edc8bb4997787730b83f87513f9c8a929724c1c25837682a4c3a55d840
SHA5123f11bfde980bf56260c78886f0db125d7c8c68957ff9aac40af9a42004405dd2013a67072150fe2a985b4ae1190a6b54460ec962eb07ddaccad97faa28fe2b45
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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