Analysis
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max time kernel
144s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
11/08/2024, 04:59
Static task
static1
Behavioral task
behavioral1
Sample
8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.exe
Resource
win10v2004-20240802-en
General
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Target
8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.exe
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Size
3.7MB
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MD5
a6dd4369ae0699f41266c1bb521706d8
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SHA1
9d94dffb0c850f071475a52cd1f9575698b971a1
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SHA256
8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e
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SHA512
ad5bd5b49344e96d1928d18542233419c6e5446e50648987f2c5191c0b9879c0ea5eaaa404a7cb17b582b5664ac92ea3445fd29fb8debe54eaaacbe7c2e25edc
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SSDEEP
98304:NzgKErVIqUIWBfbg8d9vIOqFkViIukwidf4:pgKEhdUIWBfXskruhid4
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral1/memory/2644-87-0x00000000027B0000-0x0000000002852000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1240 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.tmp 2936 xulplayer.exe 2644 xulplayer.exe -
Loads dropped DLL 5 IoCs
pid Process 2544 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.exe 1240 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.tmp 1240 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.tmp 1240 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.tmp 1240 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.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 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.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 1240 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.tmp 1240 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1240 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.tmp -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2544 wrote to memory of 1240 2544 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.exe 30 PID 2544 wrote to memory of 1240 2544 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.exe 30 PID 2544 wrote to memory of 1240 2544 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.exe 30 PID 2544 wrote to memory of 1240 2544 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.exe 30 PID 2544 wrote to memory of 1240 2544 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.exe 30 PID 2544 wrote to memory of 1240 2544 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.exe 30 PID 2544 wrote to memory of 1240 2544 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.exe 30 PID 1240 wrote to memory of 2936 1240 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.tmp 31 PID 1240 wrote to memory of 2936 1240 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.tmp 31 PID 1240 wrote to memory of 2936 1240 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.tmp 31 PID 1240 wrote to memory of 2936 1240 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.tmp 31 PID 1240 wrote to memory of 2644 1240 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.tmp 32 PID 1240 wrote to memory of 2644 1240 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.tmp 32 PID 1240 wrote to memory of 2644 1240 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.tmp 32 PID 1240 wrote to memory of 2644 1240 8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.tmp 32
Processes
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C:\Users\Admin\AppData\Local\Temp\8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.exe"C:\Users\Admin\AppData\Local\Temp\8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2544 -
C:\Users\Admin\AppData\Local\Temp\is-K88VM.tmp\8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.tmp"C:\Users\Admin\AppData\Local\Temp\is-K88VM.tmp\8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.tmp" /SL5="$40150,3575306,54272,C:\Users\Admin\AppData\Local\Temp\8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.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:1240 -
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:2936
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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:2644
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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
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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\Users\Admin\AppData\Local\Temp\is-K88VM.tmp\8c1941f5d3657404e1e111edcb4e409f80cdcda08f3e28ab170ae2b32a2a901e.tmp
Filesize692KB
MD55e86b0ec372d2fc1fd230de780e7e967
SHA1b4f60e0014da39c3e7a443deaaaf086aa01f7139
SHA256e8cdcf3e17f27f736c3a131ea7510764087d28909effa27f03de54746452956f
SHA512759f5874ac78a3d630350bbf22a1393cfe41d0914d43452292bce139b6063c045f0f7582aefa197c8c9e37f1bf4e3dd84ce5f5b792bdbabd5e62c419d1b4541d
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Filesize
3.9MB
MD5f37f4f511a0316a88a9c0c983e149034
SHA19845d2beb6310e7a33a681f92a8b5c550ae04cab
SHA256c1c0b2bd3b69dd4c5483c30460c1957e845c245c3af67dc5dd98b9ff2d6b25c3
SHA512ed021a5b22171ea1715100be1816e50ce8b20c7a83061ee11ec760241bc703c62fc2f22fddb37f1593a3eb840e77abd62c2ac73e2e0509fc436045eab876333a