Analysis
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max time kernel
142s -
max time network
129s -
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, 14:31
Static task
static1
Behavioral task
behavioral1
Sample
1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.exe
Resource
win11-20240802-en
General
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Target
1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.exe
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Size
3.9MB
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MD5
62916e4479196a837e32bc2534b1fe6d
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SHA1
d05c582a27f52931a91c81392a57769e3e92e30d
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SHA256
1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a
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SHA512
fc3f303bee785ffb645c9f44ca146d81f4a3814893e3b03e5253469b09f878e24c35b0c993da76f42fd8a8a1f6acc3e53f8b50ee2b1ac3c082ea17c79720ee87
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SSDEEP
98304:NMk9lpOJ+7dpoj2XiGvkTJczRGm0qANhU07HG3/opqmm5XcK5u4DBF/nzlc0VPz5:uApfAgvo6a7So8PXcK5fDfzmyPzd3bL
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral1/memory/2024-84-0x00000000009D0000-0x0000000000A72000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 3428 1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp 4144 xulplayer32.exe 2024 xulplayer32.exe -
Loads dropped DLL 3 IoCs
pid Process 3428 1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp 3428 1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp 3428 1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.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 1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.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 3428 1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp 3428 1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3428 1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2088 wrote to memory of 3428 2088 1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.exe 85 PID 2088 wrote to memory of 3428 2088 1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.exe 85 PID 2088 wrote to memory of 3428 2088 1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.exe 85 PID 3428 wrote to memory of 4144 3428 1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp 88 PID 3428 wrote to memory of 4144 3428 1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp 88 PID 3428 wrote to memory of 4144 3428 1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp 88 PID 3428 wrote to memory of 2024 3428 1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp 89 PID 3428 wrote to memory of 2024 3428 1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp 89 PID 3428 wrote to memory of 2024 3428 1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp 89
Processes
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C:\Users\Admin\AppData\Local\Temp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.exe"C:\Users\Admin\AppData\Local\Temp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2088 -
C:\Users\Admin\AppData\Local\Temp\is-LFS6C.tmp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp"C:\Users\Admin\AppData\Local\Temp\is-LFS6C.tmp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp" /SL5="$140052,3830957,54272,C:\Users\Admin\AppData\Local\Temp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.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:3428 -
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:4144
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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:2024
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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-LFS6C.tmp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp
Filesize692KB
MD54a034cc8809b92775041cc5a46c52ab0
SHA13f2c748bf00a2aa6f3a86c6dfd8a3d667007a54d
SHA2564dfae16c80e15d6e45b60b5b847e1a641af184e3e06727fc3406355de9227e60
SHA512e1d4c9bff206800681a17b4487978a290d365a6593678741b6924394217bc352f1132add01e8e90b9b1b78f1f3bd606c2ff51955c8673503c5e28fb04afc71f6
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Filesize
3.1MB
MD56d98dfe278f49528755f954930eb5a32
SHA1049d642eca2f3af58f2a7c3941b6332c232e2f17
SHA256f9b74648c3ea6dcc5f39f3103c00c7a9109680e268fbcca63f03e24e7c269df2
SHA5129831b995f195ae14f462a56313f9855c57fcae92c946d30ef7d412de79747368aeef4388f89e929dc5941fdfe272db2f005d0fe9c8a88c31102e2acea47c2042