Analysis
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max time kernel
144s -
max time network
153s -
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, 06:36
Static task
static1
Behavioral task
behavioral1
Sample
e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe
Resource
win11-20240802-en
General
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Target
e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe
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Size
3.7MB
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MD5
f4684c8fce49ce34e698dbd548f4ef60
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SHA1
b1f73a31486c7788aeb66fd11796c4b75f335ebf
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SHA256
e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5
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SHA512
3f76eda0b120d5bd141bb25d7b78a4a25cc3710277f1bda636b8c2f829cebb98213ae93e95ab1bf06468cd608b872a7e2c421c6adfbe513766eadc71b579fb47
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SSDEEP
98304:NsPoi9i/TB+EGsv1f41n3f3oXIywgwptGkTBZhHsyCAkdu7:ziEwEDN41nCIBpNbhHsrAkM
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/3488-77-0x0000000000AE0000-0x0000000000B82000-memory.dmp family_socks5systemz behavioral1/memory/3488-101-0x0000000000AE0000-0x0000000000B82000-memory.dmp family_socks5systemz behavioral1/memory/3488-102-0x0000000000AE0000-0x0000000000B82000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 4332 e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp 2816 xulplayer.exe 3488 xulplayer.exe -
Loads dropped DLL 1 IoCs
pid Process 4332 e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.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 e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.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 4332 e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp 4332 e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4332 e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3968 wrote to memory of 4332 3968 e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe 91 PID 3968 wrote to memory of 4332 3968 e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe 91 PID 3968 wrote to memory of 4332 3968 e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe 91 PID 4332 wrote to memory of 2816 4332 e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp 94 PID 4332 wrote to memory of 2816 4332 e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp 94 PID 4332 wrote to memory of 2816 4332 e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp 94 PID 4332 wrote to memory of 3488 4332 e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp 96 PID 4332 wrote to memory of 3488 4332 e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp 96 PID 4332 wrote to memory of 3488 4332 e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp 96
Processes
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C:\Users\Admin\AppData\Local\Temp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe"C:\Users\Admin\AppData\Local\Temp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3968 -
C:\Users\Admin\AppData\Local\Temp\is-STUQU.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp"C:\Users\Admin\AppData\Local\Temp\is-STUQU.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp" /SL5="$901C8,3564649,54272,C:\Users\Admin\AppData\Local\Temp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.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:4332 -
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:2816
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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:3488
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4372,i,3861745594156495651,17595114179815238301,262144 --variations-seed-version --mojo-platform-channel-handle=1016 /prefetch:81⤵PID:2540
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-STUQU.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp
Filesize692KB
MD53e58a9d5830b25c2662c530eb10f9fd5
SHA1de246ec71a420cb6097dad238df4194c6ea193cb
SHA256da4b8d3ae61ebcfee90d1bf6990aefbc7e72a5648b823c88c3b2d6d7b5e5ecfb
SHA5128cd131d67edd7058ae9d5b6686cfc986ecfb6b2c240f4b5d4241373ae553af4da35ea28a383cbbd84608c522743689afe4d4856be2a07edca002e7f2dd13281f
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Filesize
3.9MB
MD58b7a8300632f55fcb6514d0b5cb8d264
SHA1ea1aade42e099613bd82700f47ffd96d9a513d70
SHA25630fb534ee2d55b0035d13ce9a194369a107e4fe9c1d519afebfc62fb674d1f36
SHA51248ac973533534659f7792501d77601becfb6c2dcf529503e43a4aea27f9a764c376fc82ad1f2625c80b3f6fa8afbb5ec5e8694a542be45cfd7acc28c0d5cbd80