Analysis
-
max time kernel
142s -
max time network
126s -
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, 22:48
Static task
static1
Behavioral task
behavioral1
Sample
13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.exe
Resource
win11-20240802-en
General
-
Target
13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.exe
-
Size
4.0MB
-
MD5
689bc082f14837fa391e3d1f3602a01f
-
SHA1
2dda8717a458af06e66e85dfac7710473d193650
-
SHA256
13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb
-
SHA512
900d92e34438d019ff4ab50722936a10d48620e9d53244a92d6cbce0a39ae274ef01635f3e697f561eadb748acb1deefbfd4d3d461af73afd18e389af47fe194
-
SSDEEP
98304:NUUIk6Z0gE9hreio/6p0SQQ+JXTY8qefAsiBWcpBsi+8iGdX:WUIZ0gE9bo7ZDkeYLbtiGV
Malware Config
Signatures
-
Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/2116-84-0x0000000002570000-0x0000000002612000-memory.dmp family_socks5systemz behavioral1/memory/2116-107-0x0000000002570000-0x0000000002612000-memory.dmp family_socks5systemz behavioral1/memory/2116-108-0x0000000002570000-0x0000000002612000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
-
Executes dropped EXE 3 IoCs
pid Process 3820 13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.tmp 3052 xulplayer32_64.exe 2116 xulplayer32_64.exe -
Loads dropped DLL 3 IoCs
pid Process 3820 13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.tmp 3820 13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.tmp 3820 13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.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 91.211.247.248 -
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 13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.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 3820 13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.tmp 3820 13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3820 13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4684 wrote to memory of 3820 4684 13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.exe 84 PID 4684 wrote to memory of 3820 4684 13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.exe 84 PID 4684 wrote to memory of 3820 4684 13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.exe 84 PID 3820 wrote to memory of 3052 3820 13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.tmp 88 PID 3820 wrote to memory of 3052 3820 13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.tmp 88 PID 3820 wrote to memory of 3052 3820 13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.tmp 88 PID 3820 wrote to memory of 2116 3820 13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.tmp 89 PID 3820 wrote to memory of 2116 3820 13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.tmp 89 PID 3820 wrote to memory of 2116 3820 13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.tmp 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.exe"C:\Users\Admin\AppData\Local\Temp\13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4684 -
C:\Users\Admin\AppData\Local\Temp\is-MFAOI.tmp\13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.tmp"C:\Users\Admin\AppData\Local\Temp\is-MFAOI.tmp\13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.tmp" /SL5="$60240,3878124,54272,C:\Users\Admin\AppData\Local\Temp\13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.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:3820 -
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:3052
-
-
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:2116
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
Filesize
13KB
MD5a813d18268affd4763dde940246dc7e5
SHA1c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
-
C:\Users\Admin\AppData\Local\Temp\is-MFAOI.tmp\13c9fc020fa2dbf9e041f41b7c6c397f985f36688a424b211e2b0bdd52f0efbb.tmp
Filesize692KB
MD500f15ee57af82fc40ac1ec609d1810a4
SHA16abfae4f73ade5af54d267c02389daf49abd6a51
SHA25620fea1e5fc629afb3a4f3aa818e7c00c66b692e2d6180c7ba64a246fd9d5d847
SHA512f9ab66c722b37cdb96f1a547a2c2d1c870b4966f27fee269bf65d47a506c2fcb0eab1ac168d0b4246ec336b23694d3c675d5be48f3338b79b76407c31cdad24c
-
Filesize
3.3MB
MD55270e5d4afc3f0079b7cb564ed9a24c8
SHA13e0246e3179f5e527d5a5141135c2f194628b7df
SHA256275cf9f3095c360a20f184f1c79332838e978accdd37228c81cba5a3779fba04
SHA5126ebb3bb10a2880c3edfe1739363d88eba745cc55152ffcb5602a432e30a4e30c8b637cb858112c9c3099de9bbbcac519a408d849c1966da1a38f1a405b821b01