Analysis
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max time kernel
142s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
24-06-2024 23:24
Static task
static1
Behavioral task
behavioral1
Sample
717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.exe
Resource
win11-20240611-en
General
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Target
717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.exe
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Size
4.8MB
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MD5
99a9c6a07e1c9e5a9fcaac8426b786ae
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SHA1
49c94499d6c7a963e3e4785010bd8a8de3e51bbb
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SHA256
717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e
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SHA512
600f504c4dfa25853a1f052dd3f0b0428f135215651de7e583ed0d900fd7f8355ed78a434649dde386bf3ddb572117d369b2ae59b5f32ed9592e3ef9c1f9450c
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SSDEEP
98304:mhJbYijBuXJSNvoizfa3cf6di971pVnK4YVJefbZ10SP1LP/QwsK:6JUSNv9zfa3cV9pnZ110SP1LnQhK
Malware Config
Extracted
socks5systemz
bdwiydz.com
http://bdwiydz.com/search/?q=67e28dd86d5ff17c1407ad1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff613c7ee909f3e
http://bdwiydz.com/search/?q=67e28dd86d5ff17c1407ad1a7c27d78406abdd88be4b12eab517aa5c96bd86ef91804d825a8bbc896c58e713bc90c91b36b5281fc235a925ed3e56d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9c983ccc6a9313
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/3888-86-0x0000000002360000-0x0000000002402000-memory.dmp family_socks5systemz behavioral1/memory/3888-110-0x0000000002360000-0x0000000002402000-memory.dmp family_socks5systemz behavioral1/memory/3888-109-0x0000000002360000-0x0000000002402000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.tmpwinypux32.exewinypux32.exepid process 224 717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.tmp 1168 winypux32.exe 3888 winypux32.exe -
Loads dropped DLL 1 IoCs
Processes:
717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.tmppid process 224 717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
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 FindShellTrayWindow 1 IoCs
Processes:
717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.tmppid process 224 717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.exe717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.tmpdescription pid process target process PID 4584 wrote to memory of 224 4584 717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.exe 717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.tmp PID 4584 wrote to memory of 224 4584 717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.exe 717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.tmp PID 4584 wrote to memory of 224 4584 717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.exe 717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.tmp PID 224 wrote to memory of 1168 224 717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.tmp winypux32.exe PID 224 wrote to memory of 1168 224 717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.tmp winypux32.exe PID 224 wrote to memory of 1168 224 717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.tmp winypux32.exe PID 224 wrote to memory of 3888 224 717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.tmp winypux32.exe PID 224 wrote to memory of 3888 224 717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.tmp winypux32.exe PID 224 wrote to memory of 3888 224 717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.tmp winypux32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.exe"C:\Users\Admin\AppData\Local\Temp\717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4584 -
C:\Users\Admin\AppData\Local\Temp\is-NC6MS.tmp\717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.tmp"C:\Users\Admin\AppData\Local\Temp\is-NC6MS.tmp\717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.tmp" /SL5="$80118,4753091,54272,C:\Users\Admin\AppData\Local\Temp\717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:224 -
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i3⤵
- Executes dropped EXE
PID:1168
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C:\Users\Admin\AppData\Local\Winypux\winypux32.exe"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -s3⤵
- Executes dropped EXE
PID:3888
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4252,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4400 /prefetch:81⤵PID:928
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-NC6MS.tmp\717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.tmp
Filesize680KB
MD51b33096a94e46692ad4d81f4d479a4e6
SHA1c1258a69a0e5888e3292f4c9956a930a2d858e88
SHA2563cee8718764f6cd90530e38825c9496c2b34e74421c3d07afce6a55f746c2a47
SHA5123623b7ae8ad23074614b5f7264ae8a952c9b5de8882559075bf76a87d8fa3632d66c6897fa738e82c6bbedee1e4ee8f169dfc61decafef9978c32d77dd9214f6
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Filesize
2.8MB
MD5034a19364a29f0ec88b84ea44eee384d
SHA19ea97df0dc8d7aa392f5c792adb79285677534cc
SHA25673158339e43631670b50e61ada31c6ade8ab2f98ff569430b25acb22e5e9696b
SHA512ef6114679bde6c6d8ea6b317980fe8070481546d79ee6b1550284fb990993085719c6081e09d1ddc127869483f127f42e2531ded0e7ec52c5645d3d94865a584