Analysis
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max time kernel
147s -
max time network
157s -
platform
windows11-21h2_x64 -
resource
win11-20240704-en -
resource tags
arch:x64arch:x86image:win11-20240704-enlocale:en-usos:windows11-21h2-x64system -
submitted
06/07/2024, 16:26
Static task
static1
Behavioral task
behavioral1
Sample
d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.exe
Resource
win10v2004-20240704-en
Behavioral task
behavioral2
Sample
d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.exe
Resource
win11-20240704-en
General
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Target
d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.exe
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Size
4.9MB
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MD5
3826c8fb8a2b5c55df63303f0210fc52
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SHA1
fca401b5524c4b7ce101095ef400c17b3770a867
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SHA256
d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8
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SHA512
cc06112d56572c4b0385614fbd2ff9da7edc8e80687b0b243cef6371d40677ee722e80ad3ac6c74fbb7d4fb3bf2f6e88126b532537dcce396735bbe794c7eaf1
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SSDEEP
98304:CF82m6s6p6JrEebEW3YjUm7YnBjyZ8wljrx4uZvylIy1XgNOUXQx0:52mf6p6hw0COBjyZbjH6IyxIOIQW
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/1596-89-0x0000000000AA0000-0x0000000000B42000-memory.dmp family_socks5systemz behavioral2/memory/1596-112-0x0000000000AA0000-0x0000000000B42000-memory.dmp family_socks5systemz behavioral2/memory/1596-113-0x0000000000AA0000-0x0000000000B42000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2724 d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp 3720 djpromix32.exe 1596 djpromix32.exe -
Loads dropped DLL 1 IoCs
pid Process 2724 d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.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 FindShellTrayWindow 1 IoCs
pid Process 2724 d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2972 wrote to memory of 2724 2972 d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.exe 79 PID 2972 wrote to memory of 2724 2972 d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.exe 79 PID 2972 wrote to memory of 2724 2972 d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.exe 79 PID 2724 wrote to memory of 3720 2724 d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp 81 PID 2724 wrote to memory of 3720 2724 d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp 81 PID 2724 wrote to memory of 3720 2724 d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp 81 PID 2724 wrote to memory of 1596 2724 d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp 82 PID 2724 wrote to memory of 1596 2724 d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp 82 PID 2724 wrote to memory of 1596 2724 d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp 82
Processes
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C:\Users\Admin\AppData\Local\Temp\d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.exe"C:\Users\Admin\AppData\Local\Temp\d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2972 -
C:\Users\Admin\AppData\Local\Temp\is-B5PDS.tmp\d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp"C:\Users\Admin\AppData\Local\Temp\is-B5PDS.tmp\d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp" /SL5="$90158,4845139,54272,C:\Users\Admin\AppData\Local\Temp\d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Users\Admin\AppData\Local\DJ Pro Mix\djpromix32.exe"C:\Users\Admin\AppData\Local\DJ Pro Mix\djpromix32.exe" -i3⤵
- Executes dropped EXE
PID:3720
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C:\Users\Admin\AppData\Local\DJ Pro Mix\djpromix32.exe"C:\Users\Admin\AppData\Local\DJ Pro Mix\djpromix32.exe" -s3⤵
- Executes dropped EXE
PID:1596
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.5MB
MD5879fd55c42ee8c606964409a8c1decdb
SHA1cd40ed6b3fbc806b87f87d604a72b24c230a1f4e
SHA256599dda7b0a5386953b076364f2cfa59f042a50faad96da3c3fccf29e05a86261
SHA512e67f02d74fc985ac602e0b122dc6da487da6b38d5f95ce4d3aa462241cda35a4331b718f36f12e4e9ce0475ca9da02214460a7e1fc51ecf3d91328525733dc8b
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C:\Users\Admin\AppData\Local\Temp\is-B5PDS.tmp\d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp
Filesize680KB
MD544714eda71761bd1288110ca9c46b096
SHA1655d1bbf10023fc7e733643c1fe56d1d737b5e74
SHA2565022783c59d9e2a305ae3afcc87baa40d7647618d4f08178a2f14ffcc955a426
SHA5127cab0490c08bec7938ce23d1bf486ec143614a6dd8a895de82432793a9d32771f40478c7ad6b2bc0975fbc2d8cedb49bc810204d87b8c99d8a0c7234aea33ba9
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63