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
25/03/2024, 01:47
Static task
static1
Behavioral task
behavioral1
Sample
ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.exe
Resource
win10v2004-20240226-en
General
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Target
ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.exe
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Size
2.0MB
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MD5
4fbc079afc0e59a9b99ef86981fa5326
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SHA1
06349881fcb8b34be0f79b849cf0f1289ac4d588
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SHA256
ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1
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SHA512
b9445eddab7a234504fa73cb410d9103dea4534b1e16d078fde9b11cfca45c8adb073825799ef9b53b2d1e506d634ec251cbe5f26cf7cace5168287bb3a9bcc1
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SSDEEP
49152:32TL+/Bjpvz7OAUZ8Dx3vEEDGBPAqfqQOmQBTTTjNIH:mTLYywV/EESFA2KBvCH
Malware Config
Extracted
socks5systemz
http://ejogliv.ua/search/?q=67e28dd83d5fa62d1358fa4d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668dfc10c3ed97
http://ejogliv.ua/search/?q=67e28dd83d5fa62d1358fa4d7c27d78406abdd88be4b12eab517aa5c96bd86e9918e4c875a8bbc896c58e713bc90c91836b5281fc235a925ed3e5cd6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c1ec969b38cf6d
Signatures
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Detect Socks5Systemz Payload 4 IoCs
resource yara_rule behavioral1/memory/2640-76-0x0000000002730000-0x00000000027D2000-memory.dmp family_socks5systemz behavioral1/memory/2640-88-0x0000000002730000-0x00000000027D2000-memory.dmp family_socks5systemz behavioral1/memory/2640-101-0x0000000002730000-0x00000000027D2000-memory.dmp family_socks5systemz behavioral1/memory/2640-102-0x0000000002730000-0x00000000027D2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2180 ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.tmp 884 colorpicker.exe 2640 colorpicker.exe -
Loads dropped DLL 5 IoCs
pid Process 2304 ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.exe 2180 ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.tmp 2180 ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.tmp 2180 ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.tmp 2180 ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.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 2304 wrote to memory of 2180 2304 ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.exe 28 PID 2304 wrote to memory of 2180 2304 ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.exe 28 PID 2304 wrote to memory of 2180 2304 ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.exe 28 PID 2304 wrote to memory of 2180 2304 ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.exe 28 PID 2304 wrote to memory of 2180 2304 ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.exe 28 PID 2304 wrote to memory of 2180 2304 ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.exe 28 PID 2304 wrote to memory of 2180 2304 ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.exe 28 PID 2180 wrote to memory of 884 2180 ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.tmp 29 PID 2180 wrote to memory of 884 2180 ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.tmp 29 PID 2180 wrote to memory of 884 2180 ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.tmp 29 PID 2180 wrote to memory of 884 2180 ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.tmp 29 PID 2180 wrote to memory of 2640 2180 ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.tmp 30 PID 2180 wrote to memory of 2640 2180 ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.tmp 30 PID 2180 wrote to memory of 2640 2180 ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.tmp 30 PID 2180 wrote to memory of 2640 2180 ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.tmp 30
Processes
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C:\Users\Admin\AppData\Local\Temp\ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.exe"C:\Users\Admin\AppData\Local\Temp\ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2304 -
C:\Users\Admin\AppData\Local\Temp\is-L87MJ.tmp\ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.tmp"C:\Users\Admin\AppData\Local\Temp\is-L87MJ.tmp\ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.tmp" /SL5="$70122,1781689,54272,C:\Users\Admin\AppData\Local\Temp\ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2180 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:884
-
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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:2640
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
447KB
MD5801e0c6cd99115848490e0d99c443898
SHA1a1c79b54e6835fbca27cbe67ef3839f42dae9efa
SHA25623578e2c6c9c7dcbd4fb417a40bd58316305fc031ae2c09fb3d82271d61848c8
SHA512da3cfaf9e89f618b1b9921f2c534f4972a5dd4a0b978fda6ee1ba106a8607822719827f021e54b301808a9d81438f3f5dc7df1869b87a121a84c580d399e2c21
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Filesize
2.1MB
MD5a8f9420959ddb2ee550f7e21644357a7
SHA14e429af917fe5e50b210c1aaa12e62a3e0c51d8f
SHA256c57954dfad4f4bc99ac2fdba834e684831d0e8f1e8fb2ccc14463090739b09e7
SHA512d2890847e9f98a6f8a2ff1126c9c0917b17caa1c9a9d1bf59280588f4c9b1c09b92e1520c50d0eb8721bb6fe5ef235c56ea2c2bd9640423aa884d376f082d928
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\Users\Admin\AppData\Local\Temp\is-L87MJ.tmp\ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1.tmp
Filesize677KB
MD5d394fc26de69f06950dc1c71959b0261
SHA17c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA51263ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3