Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
23/03/2024, 11:11
Static task
static1
Behavioral task
behavioral1
Sample
ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe
Resource
win11-20240221-en
General
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Target
ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe
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Size
2.2MB
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MD5
9357e67e1024655f3302a794adc9c8da
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SHA1
ed8eb9f4da01fd739d21e8684e95bd381e103402
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SHA256
ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4
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SHA512
c55f0e44cf043351a70dd7fa2338aefbb0f66cd243f0bd959cc38e076a7c0b6593b65fbdd89d0c17be0b84d5fc4fbe07fed90c9ce1bbcb19e2509551dbcd7b2e
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SSDEEP
49152:32Q41RVpy6V66wEMgH09q+rPkhP9UsqcbKXQoWWoE587rYrNr6e7D:mQK8V6jk3Pkd9zzWZ8nYrNuc
Malware Config
Extracted
socks5systemz
http://bmundmb.com/search/?q=67e28dd86c09f220490efa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978fe71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c9ed969238
http://bmundmb.com/search/?q=67e28dd86c09f220490efa1c7c27d78406abdd88be4b12eab517aa5c96bd86e9948048815a8bbc896c58e713bc90c91f36b5281fc235a925ed3e5dd6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949b32cf6c9e15
Signatures
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Detect Socks5Systemz Payload 5 IoCs
resource yara_rule behavioral1/memory/1272-66-0x00000000008F0000-0x0000000000992000-memory.dmp family_socks5systemz behavioral1/memory/1272-69-0x00000000008F0000-0x0000000000992000-memory.dmp family_socks5systemz behavioral1/memory/1272-78-0x00000000008F0000-0x0000000000992000-memory.dmp family_socks5systemz behavioral1/memory/1272-91-0x00000000008F0000-0x0000000000992000-memory.dmp family_socks5systemz behavioral1/memory/1272-92-0x00000000008F0000-0x0000000000992000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2816 ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp 4140 colorpicker.exe 1272 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 2816 ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.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 9 IoCs
description pid Process procid_target PID 2488 wrote to memory of 2816 2488 ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe 88 PID 2488 wrote to memory of 2816 2488 ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe 88 PID 2488 wrote to memory of 2816 2488 ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe 88 PID 2816 wrote to memory of 4140 2816 ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp 90 PID 2816 wrote to memory of 4140 2816 ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp 90 PID 2816 wrote to memory of 4140 2816 ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp 90 PID 2816 wrote to memory of 1272 2816 ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp 91 PID 2816 wrote to memory of 1272 2816 ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp 91 PID 2816 wrote to memory of 1272 2816 ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp 91
Processes
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C:\Users\Admin\AppData\Local\Temp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe"C:\Users\Admin\AppData\Local\Temp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2488 -
C:\Users\Admin\AppData\Local\Temp\is-02F1R.tmp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp"C:\Users\Admin\AppData\Local\Temp\is-02F1R.tmp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp" /SL5="$A0062,1972866,54272,C:\Users\Admin\AppData\Local\Temp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2816 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:4140
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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:1272
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.2MB
MD5db2e42972e6f72f623ec6cadf8180747
SHA1be60e50f957eb7d9c88f52e234671701fc8fc7a0
SHA256d029b6e530502459f455078d89c15ec6183085550d839a1b7cb4fa274bded45d
SHA512ce8f3bc9f10f588472c936d8163427bc123a15c49d95533b0707faa146cec89f5f525be8ad7cd3a6b8459c4db4561fd8273908884e1420e1ef4251eaa9ec1dd8
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C:\Users\Admin\AppData\Local\Temp\is-02F1R.tmp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp
Filesize677KB
MD592f7775908bb12183914bb0753782913
SHA18d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA5127e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63