Analysis
- max time kernel
144s - max time network
130s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system - submitted
02/08/2024, 02:22
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.exe
Resource
win7-20240705-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.exe
Resource
win10v2004-20240730-en
10 signatures
150 seconds
General
- Target c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.exe
- Size 4.0MB
- Sample240802-ctmqtsvena
- SHA256 c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66
- MD5 4b2f3521fa3f91ecdf974fd16a81da01
- SHA1 108fa46ae59e5174f3931790486bec775158cd90
- SHA512 a94a2a096ba9872f60fc66b8d8923c1d0daaa9a5c73da57d77b373bc5e1a6fa8998a493c2aff6842ff939179456cb85f6ae7128408b90cebed8cad61f9b62b4a
- SSDEEP 98304:NiRfUvZW2KtWBsnprz54elSBe+7Jzk8lJN/h9hp8d3wVtfd3:IOPKsBqprz7SB+SJth9hqd3Ctft
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/556-80-0x0000000000B00000-0x0000000000BA2000-memory.dmp family_socks5systemz behavioral2/memory/556-102-0x0000000000B00000-0x0000000000BA2000-memory.dmp family_socks5systemz behavioral2/memory/556-103-0x0000000000B00000-0x0000000000BA2000-memory.dmp family_socks5systemz - Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
pid Process 1344 c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.tmp 1456 qualitymp3modifier.exe 556 qualitymp3modifier.exe - Loads dropped DLL 1 IoCs
pid Process 1344 c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.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.
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language qualitymp3modifier.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language qualitymp3modifier.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1344 c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.tmp 1344 c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.tmp - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1344 c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.tmp - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4664 wrote to memory of 1344 4664 c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.exe 84 PID 4664 wrote to memory of 1344 4664 c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.exe 84 PID 4664 wrote to memory of 1344 4664 c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.exe 84 PID 1344 wrote to memory of 1456 1344 c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.tmp 87 PID 1344 wrote to memory of 1456 1344 c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.tmp 87 PID 1344 wrote to memory of 1456 1344 c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.tmp 87 PID 1344 wrote to memory of 556 1344 c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.tmp 88 PID 1344 wrote to memory of 556 1344 c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.tmp 88 PID 1344 wrote to memory of 556 1344 c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.tmp 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.exe"C:\Users\Admin\AppData\Local\Temp\c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4664 -
C:\Users\Admin\AppData\Local\Temp\is-UVNR1.tmp\c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.tmp"C:\Users\Admin\AppData\Local\Temp\is-UVNR1.tmp\c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.tmp" /SL5="$8015A,3900175,54272,C:\Users\Admin\AppData\Local\Temp\c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1344 -
C:\Users\Admin\AppData\Local\Quality MP3 Modifier\qualitymp3modifier.exe"C:\Users\Admin\AppData\Local\Quality MP3 Modifier\qualitymp3modifier.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1456
-
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C:\Users\Admin\AppData\Local\Quality MP3 Modifier\qualitymp3modifier.exe"C:\Users\Admin\AppData\Local\Quality MP3 Modifier\qualitymp3modifier.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:556
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Quality MP3 Modifier\qualitymp3modifier.exe
- Size 4.3MB
- SHA256 0de27784f5b3ca73b0a4cb557bfb5ce2e32c42de4fc1af17052d2b13b33505e9
- MD5 4c8d3f345f0b9b9bc24a5c51d2a0afae
- SHA1 4da2a65a26582144ea4463b1c22331d604f54650
- SHA512 bc31a886aca0967e47a8b6288266e0d87ec717dc92a55dab66c0722d1b471741887af1656aa0bfbc451085ba254c33388981b428a98c77909ccc8c864322fe9f
- SSDEEP 49152:H1IMs/wt25xGUxKV+rQFpYxirnE3qak6aD7gbjPzESknarocQa1:VIMY9xGQO+rQTrnE3qak6OkpknOt1
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\is-978DL.tmp\_isetup\_iscrypt.dll
- Size 2KB
- SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
- MD5 a69559718ab506675e907fe49deb71e9
- SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
- SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\is-UVNR1.tmp\c6a5bd9c495601c0eb0e5bb482a571389e0d56f0f5abaccefa7c609423fa9d66.tmp
- Size 692KB
- SHA256 9a218bf867e7a5244c554054cf5c56dcdd637c4c14ce4db897c2735b308bda60
- MD5 2038e083b57de6387f7eac5f988340f1
- SHA1 90009095e2ae04cceb63492698b5807f8bb96c19
- SHA512 a2b8de66822afef34256f73ed176c08b1452befd3bacdf929297427cbfcaf419eaedee89c9bcfa8b394d29b9548b18ca5a2442f07e8b7b11b52715f0ee6aefdd
- SSDEEP 12288:thu7eEcdCP8trP837szHUA6JCzS9Ntc3l3ER6orNjURVFDExyF:Pu7eEYCP8trP837szHUA60SLtcV3E9AT
- MD5 SHA1 SHA512 SSDEEP