Analysis
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max time kernel
141s -
max time network
142s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
11/08/2024, 16:31
Static task
static1
Behavioral task
behavioral1
Sample
a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.exe
Resource
win11-20240802-en
General
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Target
a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.exe
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Size
4.0MB
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MD5
7c6117cd4940dfeae5448aa21d90c066
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SHA1
7d7c60339332cd8da02203870c8a44a83e355db4
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SHA256
a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22
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SHA512
ba5a71572df9c569e4790792472a49a1ab0172f03fe115c3d7d4667844529cc764a9da25b3f8094d00a9792be3f36962128a8ab78408694734b6385e2d910947
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SSDEEP
98304:NkMdBQwV7gN1vcYVVEoZoLpWp9ZqwnQjrmvATS9nudX:eMPgBcYdmtWp9ZqwQjrmYTyuV
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/3436-81-0x0000000000AE0000-0x0000000000B82000-memory.dmp family_socks5systemz behavioral2/memory/3436-107-0x0000000000AE0000-0x0000000000B82000-memory.dmp family_socks5systemz behavioral2/memory/3436-108-0x0000000000AE0000-0x0000000000B82000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 980 a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.tmp 4140 xulplayer32_64.exe 3436 xulplayer32_64.exe -
Loads dropped DLL 3 IoCs
pid Process 980 a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.tmp 980 a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.tmp 980 a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.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 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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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 a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.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 980 a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.tmp 980 a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 980 a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4044 wrote to memory of 980 4044 a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.exe 78 PID 4044 wrote to memory of 980 4044 a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.exe 78 PID 4044 wrote to memory of 980 4044 a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.exe 78 PID 980 wrote to memory of 4140 980 a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.tmp 79 PID 980 wrote to memory of 4140 980 a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.tmp 79 PID 980 wrote to memory of 4140 980 a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.tmp 79 PID 980 wrote to memory of 3436 980 a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.tmp 80 PID 980 wrote to memory of 3436 980 a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.tmp 80 PID 980 wrote to memory of 3436 980 a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.tmp 80
Processes
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C:\Users\Admin\AppData\Local\Temp\a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.exe"C:\Users\Admin\AppData\Local\Temp\a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4044 -
C:\Users\Admin\AppData\Local\Temp\is-DNVTC.tmp\a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.tmp"C:\Users\Admin\AppData\Local\Temp\is-DNVTC.tmp\a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.tmp" /SL5="$500DA,3907257,54272,C:\Users\Admin\AppData\Local\Temp\a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.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:980 -
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:4140
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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:3436
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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-DNVTC.tmp\a9eefef8519d3907438021b5e7af34e163ec5243d29f1774f80985f257f05d22.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
MD579257d8f04e93fbb87ef3844714d4a4e
SHA153f9b5b8bc68537613efb8a1a72187b6b3ca623d
SHA256ad180e9d576f01de2fa2ef25d339b304104980aee98ce7d47f3f629dca2fdb45
SHA512809619626e5afce609875de40b4b78585eb70fd90cafb366264747813bcf26f9f27c8c142ff95f619a42a993192de359078648b60225556d1014e66d79c05714