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
24/03/2024, 17:00
Static task
static1
Behavioral task
behavioral1
Sample
e2e980500f2d029ed36e71c6d28aebc1526849e232cca67583b26b3f643689fc.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
e2e980500f2d029ed36e71c6d28aebc1526849e232cca67583b26b3f643689fc.exe
Resource
win11-20240221-en
General
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Target
e2e980500f2d029ed36e71c6d28aebc1526849e232cca67583b26b3f643689fc.exe
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Size
2.2MB
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MD5
b80666116e158a00ca587e809c84c574
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SHA1
2f695ba18adaa3e50ec2514d897684482e10b0ea
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SHA256
e2e980500f2d029ed36e71c6d28aebc1526849e232cca67583b26b3f643689fc
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SHA512
526cf4b231e3c6d0687a95c5911f125604060ccce3e33270b632d47dce99ab0d869aef6abb555c2a5c85dc946a4e4e795e02e1801076e15133f2320bdc163e41
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SSDEEP
49152:32NXAjt24viH2/y/NGlmp3DHeyFDAxJa4tppkuXvNrXHDI:mNwc0G26cI+EDAxJakpF/NbjI
Malware Config
Extracted
socks5systemz
http://ddidbgv.info/search/?q=67e28dd86b5ea42a430af91a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c9e693933d
http://ddidbgv.info/search/?q=67e28dd86b5ea42a430af91a7c27d78406abdd88be4b12eab517aa5c96bd86eb97854b815a8bbc896c58e713bc90c91936b5281fc235a925ed3e04d6bd974a95129070b611e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949832c4699f10
Signatures
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Detect Socks5Systemz Payload 5 IoCs
resource yara_rule behavioral1/memory/4164-67-0x0000000000930000-0x00000000009D2000-memory.dmp family_socks5systemz behavioral1/memory/4164-70-0x0000000000930000-0x00000000009D2000-memory.dmp family_socks5systemz behavioral1/memory/4164-79-0x0000000000930000-0x00000000009D2000-memory.dmp family_socks5systemz behavioral1/memory/4164-92-0x0000000000930000-0x00000000009D2000-memory.dmp family_socks5systemz behavioral1/memory/4164-93-0x0000000000930000-0x00000000009D2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 5216 e2e980500f2d029ed36e71c6d28aebc1526849e232cca67583b26b3f643689fc.tmp 4408 sitefreeedition.exe 4164 sitefreeedition.exe -
Loads dropped DLL 1 IoCs
pid Process 5216 e2e980500f2d029ed36e71c6d28aebc1526849e232cca67583b26b3f643689fc.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 141.98.234.31 -
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 3464 wrote to memory of 5216 3464 e2e980500f2d029ed36e71c6d28aebc1526849e232cca67583b26b3f643689fc.exe 88 PID 3464 wrote to memory of 5216 3464 e2e980500f2d029ed36e71c6d28aebc1526849e232cca67583b26b3f643689fc.exe 88 PID 3464 wrote to memory of 5216 3464 e2e980500f2d029ed36e71c6d28aebc1526849e232cca67583b26b3f643689fc.exe 88 PID 5216 wrote to memory of 4408 5216 e2e980500f2d029ed36e71c6d28aebc1526849e232cca67583b26b3f643689fc.tmp 90 PID 5216 wrote to memory of 4408 5216 e2e980500f2d029ed36e71c6d28aebc1526849e232cca67583b26b3f643689fc.tmp 90 PID 5216 wrote to memory of 4408 5216 e2e980500f2d029ed36e71c6d28aebc1526849e232cca67583b26b3f643689fc.tmp 90 PID 5216 wrote to memory of 4164 5216 e2e980500f2d029ed36e71c6d28aebc1526849e232cca67583b26b3f643689fc.tmp 92 PID 5216 wrote to memory of 4164 5216 e2e980500f2d029ed36e71c6d28aebc1526849e232cca67583b26b3f643689fc.tmp 92 PID 5216 wrote to memory of 4164 5216 e2e980500f2d029ed36e71c6d28aebc1526849e232cca67583b26b3f643689fc.tmp 92
Processes
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C:\Users\Admin\AppData\Local\Temp\e2e980500f2d029ed36e71c6d28aebc1526849e232cca67583b26b3f643689fc.exe"C:\Users\Admin\AppData\Local\Temp\e2e980500f2d029ed36e71c6d28aebc1526849e232cca67583b26b3f643689fc.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3464 -
C:\Users\Admin\AppData\Local\Temp\is-GB6J9.tmp\e2e980500f2d029ed36e71c6d28aebc1526849e232cca67583b26b3f643689fc.tmp"C:\Users\Admin\AppData\Local\Temp\is-GB6J9.tmp\e2e980500f2d029ed36e71c6d28aebc1526849e232cca67583b26b3f643689fc.tmp" /SL5="$11004A,1910944,54272,C:\Users\Admin\AppData\Local\Temp\e2e980500f2d029ed36e71c6d28aebc1526849e232cca67583b26b3f643689fc.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:5216 -
C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -i3⤵
- Executes dropped EXE
PID:4408
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C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -s3⤵
- Executes dropped EXE
PID:4164
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.2MB
MD5ecd2b40a3ab840540876eca393227e2f
SHA1c89dfa2238dd0c7dda3626a2d5416d8452e1500c
SHA25669b79ddca2a00f61f1187f8e524b0ebdd3179390c274316037a23559128bb277
SHA512d5a29ec3fb57fe44f4cf15f08d8ad595ddf172f2de5343db396934f0173427c1bcba2e3c1dd67ecc9f0aa38503e628310e0d108305dce2978dd4ba885fe1cb90
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-GB6J9.tmp\e2e980500f2d029ed36e71c6d28aebc1526849e232cca67583b26b3f643689fc.tmp
Filesize677KB
MD55a1e3d46cb5a24f8e50b2a59d2ba1cf3
SHA1fe86894c4757c144449bc744649b7fb9e03346f1
SHA256d3a2c2ce7d70b3b9c30faf3f72bf4ebcdea8f331d6b6cac5dae906327997985d
SHA512a27dc5c443abb31826b14e514aa717be5bf0f548b82170f79705f45ca28abaedc485c5b8738044735f61eca9e1f0ca659b519a3947551404085d07202ae709af