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
25-06-2024 01:52
Static task
static1
Behavioral task
behavioral1
Sample
f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.exe
Resource
win11-20240611-en
General
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Target
f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.exe
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Size
4.9MB
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MD5
b310ac9b897a404f025efe6f3d56755a
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SHA1
b9b9b2d41cb09aa5d39248c082ac219727dfe3d3
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SHA256
f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe
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SHA512
b6ccb85d509ec6eff0f65139625c4db7bf775ed04b6f94a93703a88f4351990177b444b0b3129373702a9135da91a78be5bd1073ff3082f63954b42455283685
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SSDEEP
98304:mtQDNbjRcuygy0by4h43lMJs3MwL5e8uRykcH+zoQs6eoOvAGP1elAiRCnp:F5Rc3OrEMJK5gqjQsHouPoeACp
Malware Config
Extracted
socks5systemz
bowxusj.com
http://bowxusj.com/search/?q=67e28dd86d5ff17c1407ad1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff613c8ef919e3b
http://bowxusj.com/search/?q=67e28dd86d5ff17c1407ad1a7c27d78406abdd88be4b12eab517aa5c96bd86ef91804d825a8bbc896c58e713bc90c91b36b5281fc235a925ed3e56d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9c9833cd6b9216
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/4320-86-0x0000000000960000-0x0000000000A02000-memory.dmp family_socks5systemz behavioral1/memory/4320-109-0x0000000000960000-0x0000000000A02000-memory.dmp family_socks5systemz behavioral1/memory/4320-108-0x0000000000960000-0x0000000000A02000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmpwinypux32.exewinypux32.exepid process 1476 f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp 4652 winypux32.exe 4320 winypux32.exe -
Loads dropped DLL 1 IoCs
Processes:
f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmppid process 1476 f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.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 152.89.198.214 -
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:
f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmppid process 1476 f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.exef32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmpdescription pid process target process PID 64 wrote to memory of 1476 64 f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.exe f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp PID 64 wrote to memory of 1476 64 f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.exe f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp PID 64 wrote to memory of 1476 64 f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.exe f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp PID 1476 wrote to memory of 4652 1476 f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp winypux32.exe PID 1476 wrote to memory of 4652 1476 f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp winypux32.exe PID 1476 wrote to memory of 4652 1476 f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp winypux32.exe PID 1476 wrote to memory of 4320 1476 f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp winypux32.exe PID 1476 wrote to memory of 4320 1476 f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp winypux32.exe PID 1476 wrote to memory of 4320 1476 f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp winypux32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.exe"C:\Users\Admin\AppData\Local\Temp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:64 -
C:\Users\Admin\AppData\Local\Temp\is-AKQMR.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp"C:\Users\Admin\AppData\Local\Temp\is-AKQMR.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp" /SL5="$80068,4913475,54272,C:\Users\Admin\AppData\Local\Temp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1476 -
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i3⤵
- Executes dropped EXE
PID:4652
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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:4320
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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=3768,i,14486271492189381216,15799931579469722648,262144 --variations-seed-version --mojo-platform-channel-handle=4272 /prefetch:81⤵PID:3144
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-AKQMR.tmp\f32fad9ce5cf04d55d2b7bba03f3950afe442be0d458d6b7f309f91e71f42dfe.tmp
Filesize680KB
MD5fc1760e726bc3cd3643815ea2c8077fd
SHA10e7906081387d1b5ed881d8f1976b4f4f8fefff9
SHA256e5f3254f1c5a55c98357632ab034e3567676c6a6ee7584c4b17bae70427a21f3
SHA51208cb70fb426f043aa86da98d8e90519a0356dfcbbd0259f6cdbcbcdff9dc1e2f70af79d64f7fa9abff665d0d2f3a1f9a8a8f8a3edbd73226a3dc1252651d2b4a
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Filesize
2.9MB
MD563a60328d83d85c5f44811d22524210c
SHA1e061cf2c01edc8b49ebaa961b9c71145b86120c3
SHA256de29c1ae12c9bb3793f8a7996d85a0bc023b5e35da5401853ac53eeac8624617
SHA51269100bdf70d41771fa3b8d0e39db9d1ef9bf030f6a8bd31b01b1965f9a8099e8f63a6ec2140c60ac9c86c7f66be03b242b117912e2a1437c6c6914e51c408cb1