Analysis
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max time kernel
142s -
max time network
137s -
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, 18:38
Static task
static1
Behavioral task
behavioral1
Sample
84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.exe
Resource
win11-20240802-en
General
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Target
84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.exe
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Size
4.0MB
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MD5
26e919b215eeba54937627f17ec4e60e
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SHA1
390cb27ee29d9814bbd33100895790dfe248750e
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SHA256
84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852
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SHA512
2a29be14349f85ffbcbf5f778d541dcfe7ab467006e16c07d8212df0e68e83df40210f1fa5856fd4ad6bbd5f13198e3c723a650c1c6c85c8c35feacce5fdae70
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SSDEEP
98304:NeagVB9uCJHOacJA05PNfjWsHTXKfSYG2q4EY85TIELOifdX:M7rtuTAUNf62Kf5GokTIJcV
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/3376-83-0x00000000025D0000-0x0000000002672000-memory.dmp family_socks5systemz behavioral1/memory/3376-106-0x00000000025D0000-0x0000000002672000-memory.dmp family_socks5systemz behavioral1/memory/3376-107-0x00000000025D0000-0x0000000002672000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1208 84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.tmp 556 xulplayer32_64.exe 3376 xulplayer32_64.exe -
Loads dropped DLL 3 IoCs
pid Process 1208 84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.tmp 1208 84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.tmp 1208 84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.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 xulplayer32_64.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer32_64.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1208 84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.tmp 1208 84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1208 84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4024 wrote to memory of 1208 4024 84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.exe 86 PID 4024 wrote to memory of 1208 4024 84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.exe 86 PID 4024 wrote to memory of 1208 4024 84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.exe 86 PID 1208 wrote to memory of 556 1208 84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.tmp 90 PID 1208 wrote to memory of 556 1208 84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.tmp 90 PID 1208 wrote to memory of 556 1208 84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.tmp 90 PID 1208 wrote to memory of 3376 1208 84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.tmp 91 PID 1208 wrote to memory of 3376 1208 84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.tmp 91 PID 1208 wrote to memory of 3376 1208 84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.tmp 91
Processes
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C:\Users\Admin\AppData\Local\Temp\84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.exe"C:\Users\Admin\AppData\Local\Temp\84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4024 -
C:\Users\Admin\AppData\Local\Temp\is-DKRJF.tmp\84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.tmp"C:\Users\Admin\AppData\Local\Temp\is-DKRJF.tmp\84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.tmp" /SL5="$80052,3903618,54272,C:\Users\Admin\AppData\Local\Temp\84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.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:1208 -
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:556
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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:3376
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\is-DKRJF.tmp\84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.tmp
Filesize692KB
MD500f15ee57af82fc40ac1ec609d1810a4
SHA16abfae4f73ade5af54d267c02389daf49abd6a51
SHA25620fea1e5fc629afb3a4f3aa818e7c00c66b692e2d6180c7ba64a246fd9d5d847
SHA512f9ab66c722b37cdb96f1a547a2c2d1c870b4966f27fee269bf65d47a506c2fcb0eab1ac168d0b4246ec336b23694d3c675d5be48f3338b79b76407c31cdad24c
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
13KB
MD5a813d18268affd4763dde940246dc7e5
SHA1c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
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Filesize
3.3MB
MD5e2099621bd811ea61eba08f1ac9af405
SHA122ff0f7a1aa4d31dcc1908c1073edaf79162d911
SHA256526edf006993b34e8b8f00dfbd91b8489b660bf2ff3ec44b293fcbead9cbe383
SHA512abeafd38b8bcdcf62cd1b2e4fcc6835bd2ad0ae1ce77ed021a707a2b9aa96b866dfa15f2861b78c6e1ccf8753bc196aa8fc5720424d7ed8d6aa3d5be7a0594bb