Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
11/08/2024, 06:43
Static task
static1
Behavioral task
behavioral1
Sample
0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.exe
Resource
win11-20240802-en
General
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Target
0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.exe
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Size
3.7MB
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MD5
fe7431c10e5cf8a482167cc4fd5786d4
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SHA1
823e9fe16d980ebe79a3d88642c2cbb4bfce5c18
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SHA256
0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400
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SHA512
a579c53ae8f46c7fde28140a7876c0b37048539739ba8cffea80e3fcd741dbd388c57d8a2be09a179140f3bf85fc7cb82e165e20cfde9060a8b7ee96e824bc56
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SSDEEP
98304:N7H3qCve5Mb4hDRTwhRbRmWkDQj4B+LpWEdRR:d3PDUlMHYWp8BAbd
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/4104-78-0x0000000000B20000-0x0000000000BC2000-memory.dmp family_socks5systemz behavioral1/memory/4104-102-0x0000000000B20000-0x0000000000BC2000-memory.dmp family_socks5systemz behavioral1/memory/4104-101-0x0000000000B20000-0x0000000000BC2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2044 0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.tmp 344 xulplayer.exe 4104 xulplayer.exe -
Loads dropped DLL 1 IoCs
pid Process 2044 0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.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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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 0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2044 0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.tmp 2044 0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2044 0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4908 wrote to memory of 2044 4908 0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.exe 83 PID 4908 wrote to memory of 2044 4908 0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.exe 83 PID 4908 wrote to memory of 2044 4908 0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.exe 83 PID 2044 wrote to memory of 344 2044 0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.tmp 87 PID 2044 wrote to memory of 344 2044 0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.tmp 87 PID 2044 wrote to memory of 344 2044 0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.tmp 87 PID 2044 wrote to memory of 4104 2044 0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.tmp 88 PID 2044 wrote to memory of 4104 2044 0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.tmp 88 PID 2044 wrote to memory of 4104 2044 0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.tmp 88
Processes
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C:\Users\Admin\AppData\Local\Temp\0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.exe"C:\Users\Admin\AppData\Local\Temp\0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4908 -
C:\Users\Admin\AppData\Local\Temp\is-5HFMP.tmp\0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.tmp"C:\Users\Admin\AppData\Local\Temp\is-5HFMP.tmp\0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.tmp" /SL5="$A02CA,3561838,54272,C:\Users\Admin\AppData\Local\Temp\0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.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:2044 -
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:344
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C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4104
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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-5HFMP.tmp\0335bf11ab02e3b7da19c2fd21fe4bc9603f3b908614dc99c816867ff00c0400.tmp
Filesize692KB
MD5d541b0e8d95d631badc9ff20ed59afdd
SHA1617063202f52daa60cb4a04f505418b2e4778d18
SHA2569450c883637e2515bfd934548aa48e6be252bf2ec7527e60f21ff3cb6a40afad
SHA512edeaf7d0c0d6ec805f446f87684b18b5d9fbbd25af506824127e781c231d08357b0fc53dc2c103e89c170c00df6644d635ea0776cdb2b780ecc027e183bf9b6c
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Filesize
3.9MB
MD5aacde46abe13e8b9e06afb3f813d922f
SHA1fdb421f8110f7d5f25264e27650c771a7bd1b90d
SHA256d276699123f0b8c5f409e93f19300137ced44dd3f4c5c3d8f617cc7260686c6e
SHA51216e64b221a32a282f55738827c73962b5db1d685c88551aee689b71c65044d450024961246c4be03e05e20acb4f837b62f47e7dc40c1bd9a6f1672e9d32dcbbb