Analysis
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max time kernel
150s -
max time network
154s -
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, 12:58
Static task
static1
Behavioral task
behavioral1
Sample
3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.exe
Resource
win11-20240802-en
General
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Target
3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.exe
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Size
3.9MB
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MD5
6a8823ef15005d64e5c4fd84dcb1828e
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SHA1
4d6f0cafb9f0cb61b4e402597564756a4b9a82b9
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SHA256
3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f
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SHA512
301a40c842390cedb667c28648f4e3435ebd008d542f7406bd2786be33bd6ba0a5fab3053ca406adc81e3c776d3c682f58cde4c4a41155bbbbbcf77c2e8ad742
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SSDEEP
98304:NPJMZF4beK0A4CzuHnE75U8jV0S63vEFtOWT7kySi5Zdh:LdbeKV/Co5U8jW3EOWTgzUL
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral1/memory/2556-85-0x00000000008B0000-0x0000000000952000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 700 3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.tmp 2872 xulplayer32.exe 2556 xulplayer32.exe -
Loads dropped DLL 3 IoCs
pid Process 700 3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.tmp 700 3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.tmp 700 3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.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 3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 700 3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.tmp 700 3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 700 3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4244 wrote to memory of 700 4244 3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.exe 84 PID 4244 wrote to memory of 700 4244 3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.exe 84 PID 4244 wrote to memory of 700 4244 3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.exe 84 PID 700 wrote to memory of 2872 700 3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.tmp 88 PID 700 wrote to memory of 2872 700 3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.tmp 88 PID 700 wrote to memory of 2872 700 3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.tmp 88 PID 700 wrote to memory of 2556 700 3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.tmp 89 PID 700 wrote to memory of 2556 700 3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.tmp 89 PID 700 wrote to memory of 2556 700 3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.tmp 89
Processes
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C:\Users\Admin\AppData\Local\Temp\3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.exe"C:\Users\Admin\AppData\Local\Temp\3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4244 -
C:\Users\Admin\AppData\Local\Temp\is-MN90D.tmp\3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.tmp"C:\Users\Admin\AppData\Local\Temp\is-MN90D.tmp\3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.tmp" /SL5="$50118,3826258,54272,C:\Users\Admin\AppData\Local\Temp\3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.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:700 -
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:2872
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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:2556
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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
13KB
MD5a813d18268affd4763dde940246dc7e5
SHA1c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
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C:\Users\Admin\AppData\Local\Temp\is-MN90D.tmp\3e2a5fc0d2a7c67cd0fc591f99dfd4f6e894fbb433e595739adbfde31820539f.tmp
Filesize692KB
MD54a034cc8809b92775041cc5a46c52ab0
SHA13f2c748bf00a2aa6f3a86c6dfd8a3d667007a54d
SHA2564dfae16c80e15d6e45b60b5b847e1a641af184e3e06727fc3406355de9227e60
SHA512e1d4c9bff206800681a17b4487978a290d365a6593678741b6924394217bc352f1132add01e8e90b9b1b78f1f3bd606c2ff51955c8673503c5e28fb04afc71f6
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Filesize
3.1MB
MD5ce8906392c90e979ee49c9eb5a99e46d
SHA17cbf1189a92118709d3a373048b034f630010c9c
SHA2567d89979a5dc01ca71ce6719317da0753f619ecc620e004efbbe130f80bd60926
SHA5128f685280458492521c6d689a46d50526b7031cecf1d1b7f337284642a4100635aedfb15ae04607074ccf8d4a070671f4e82facc541208ecc492fc596ea1f6d21