Analysis
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max time kernel
142s -
max time network
135s -
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, 12:07
Static task
static1
Behavioral task
behavioral1
Sample
487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.exe
Resource
win10v2004-20240802-en
General
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Target
487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.exe
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Size
3.6MB
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MD5
e11fc198e0e32d68febe6ae60aff46b8
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SHA1
672a9e08382957ea4e9a737e55c92644c8a27d5a
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SHA256
487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8
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SHA512
dfd0245de4a74bc2725aaac1e00f9c93b5c98e18f89e7cd831f843699564f3761ec34255bbd6ea9c026471da470f30669cef4256dd273b50bcf406470d542e95
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SSDEEP
49152:1vsvlKoSLhh+iz1CP2qQUIl766FEc2Jakpa5LlBUVi4A7BupKpicmFZYrBZHlHcK:N6KoSLhcjnJ3UwitlpicGwBxlH7hmIdh
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/1100-79-0x00000000025A0000-0x0000000002642000-memory.dmp family_socks5systemz behavioral2/memory/1100-101-0x00000000025A0000-0x0000000002642000-memory.dmp family_socks5systemz behavioral2/memory/1100-102-0x00000000025A0000-0x0000000002642000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2124 487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.tmp 720 xulplayer32.exe 1100 xulplayer32.exe -
Loads dropped DLL 1 IoCs
pid Process 2124 487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.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 141.98.234.31 -
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.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2124 487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.tmp 2124 487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2124 487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4732 wrote to memory of 2124 4732 487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.exe 91 PID 4732 wrote to memory of 2124 4732 487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.exe 91 PID 4732 wrote to memory of 2124 4732 487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.exe 91 PID 2124 wrote to memory of 720 2124 487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.tmp 95 PID 2124 wrote to memory of 720 2124 487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.tmp 95 PID 2124 wrote to memory of 720 2124 487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.tmp 95 PID 2124 wrote to memory of 1100 2124 487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.tmp 96 PID 2124 wrote to memory of 1100 2124 487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.tmp 96 PID 2124 wrote to memory of 1100 2124 487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.tmp 96
Processes
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C:\Users\Admin\AppData\Local\Temp\487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.exe"C:\Users\Admin\AppData\Local\Temp\487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4732 -
C:\Users\Admin\AppData\Local\Temp\is-MML6T.tmp\487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.tmp"C:\Users\Admin\AppData\Local\Temp\is-MML6T.tmp\487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.tmp" /SL5="$B0054,3532954,54272,C:\Users\Admin\AppData\Local\Temp\487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.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:2124 -
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:720
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C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1100
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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=4256,i,11708048364682646792,608099842549576907,262144 --variations-seed-version --mojo-platform-channel-handle=1020 /prefetch:81⤵PID:1068
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\is-MML6T.tmp\487ec38ec133319eb1e2de220caa491c680fa95156e452cdde2a3e0fcfe1e5f8.tmp
Filesize692KB
MD54a034cc8809b92775041cc5a46c52ab0
SHA13f2c748bf00a2aa6f3a86c6dfd8a3d667007a54d
SHA2564dfae16c80e15d6e45b60b5b847e1a641af184e3e06727fc3406355de9227e60
SHA512e1d4c9bff206800681a17b4487978a290d365a6593678741b6924394217bc352f1132add01e8e90b9b1b78f1f3bd606c2ff51955c8673503c5e28fb04afc71f6
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
3.3MB
MD5fa8094d1802c6c77a9c932ff8a718fa7
SHA158f1b103c7059245629bf619ebc5458b27c938ae
SHA2565a8809458cefeffe82d1c1d76d4bd45a8d4f4e6b83f7882b0e44dc40246c5963
SHA5122dd2734731703812f67ed3e0b9f7f230bd48abe9c04dac31c2354dbb450ab8f9cc5016f66e31a0bb198ac8fe3529e99abc5c2a7156a1f09238aa1fd476d164ff