Analysis
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max time kernel
142s -
max time network
128s -
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, 20:12
Static task
static1
Behavioral task
behavioral1
Sample
f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.exe
Resource
win11-20240802-en
General
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Target
f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.exe
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Size
4.2MB
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MD5
2bad32391d6af7cc5e4c788029477a17
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SHA1
5e885a068de6fd262c7e8b13d8858bd066b2bc7c
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SHA256
f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8
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SHA512
afa64d669cdae3a8f44cf8f1f9faac24ff0e62576f238e49ea3e4d1b4e149feb15fcb90b52efcfc21868c52e843c59253955b5267c4e3204cf8e26069bb2bbce
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SSDEEP
98304:Nkr4u1OwGtYwDMUXl3QxK/vylQeulzXUZO4sbSf8z6mA2/vsdX:6r4GOwH8B4K/vx35COa8Os3sV
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/4752-81-0x0000000000A40000-0x0000000000AE2000-memory.dmp family_socks5systemz behavioral1/memory/4752-106-0x0000000000A40000-0x0000000000AE2000-memory.dmp family_socks5systemz behavioral1/memory/4752-107-0x0000000000A40000-0x0000000000AE2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 3604 f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.tmp 1164 xulplayer32_64.exe 4752 xulplayer32_64.exe -
Loads dropped DLL 3 IoCs
pid Process 3604 f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.tmp 3604 f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.tmp 3604 f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.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.
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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 f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer32_64.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer32_64.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3604 f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.tmp 3604 f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3604 f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3860 wrote to memory of 3604 3860 f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.exe 84 PID 3860 wrote to memory of 3604 3860 f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.exe 84 PID 3860 wrote to memory of 3604 3860 f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.exe 84 PID 3604 wrote to memory of 1164 3604 f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.tmp 87 PID 3604 wrote to memory of 1164 3604 f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.tmp 87 PID 3604 wrote to memory of 1164 3604 f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.tmp 87 PID 3604 wrote to memory of 4752 3604 f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.tmp 88 PID 3604 wrote to memory of 4752 3604 f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.tmp 88 PID 3604 wrote to memory of 4752 3604 f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.tmp 88
Processes
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C:\Users\Admin\AppData\Local\Temp\f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.exe"C:\Users\Admin\AppData\Local\Temp\f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3860 -
C:\Users\Admin\AppData\Local\Temp\is-QDE7E.tmp\f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.tmp"C:\Users\Admin\AppData\Local\Temp\is-QDE7E.tmp\f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.tmp" /SL5="$70062,4083850,54272,C:\Users\Admin\AppData\Local\Temp\f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.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:3604 -
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1164
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C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4752
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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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Filesize
13KB
MD5a813d18268affd4763dde940246dc7e5
SHA1c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
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C:\Users\Admin\AppData\Local\Temp\is-QDE7E.tmp\f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.tmp
Filesize692KB
MD500f15ee57af82fc40ac1ec609d1810a4
SHA16abfae4f73ade5af54d267c02389daf49abd6a51
SHA25620fea1e5fc629afb3a4f3aa818e7c00c66b692e2d6180c7ba64a246fd9d5d847
SHA512f9ab66c722b37cdb96f1a547a2c2d1c870b4966f27fee269bf65d47a506c2fcb0eab1ac168d0b4246ec336b23694d3c675d5be48f3338b79b76407c31cdad24c
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Filesize
3.5MB
MD5f0a76b2284c9587e5433b27cf01b7e2c
SHA11d34200a8b7d493b74c3eec34b8d99bbbd2a376b
SHA25666f43c2f112690819f6da6ae755f177416bc52518c08d2ba4e2a4d8240578b59
SHA5122d838d7a32cf47277e9c084cef6b75032986ef458f3d838838a3c44085928a8388fbecdac4c871ed32b503181854dbc8d4d78558d1e6dcc18cffe9e71c376e72