Analysis
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max time kernel
147s -
max time network
155s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
11/08/2024, 17:03
Static task
static1
Behavioral task
behavioral1
Sample
c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.exe
Resource
win11-20240802-en
General
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Target
c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.exe
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Size
4.0MB
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MD5
d169d8238cc94aa0eecc6012f1fb9784
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SHA1
8f7083c57d8ee844b0609f2ef2038498cab2e498
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SHA256
c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868
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SHA512
d71ce66deec82d86e0abd26bfe2fa2acb4f47a78fa0e84e1eb82aba4116c03ff247cc6bbaf4e70f8807a91ea2a39ebefa006b1d3014834c8d45aa6efadd7135a
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SSDEEP
98304:NaJfIWMPzX/QRHNupOrv3/Vw0L605bGAAKYdc23XLn72g++qgjidX:IAW4j0u6/tBL6ybGT1dFiZ+qgGV
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral2/memory/3952-83-0x0000000000AA0000-0x0000000000B42000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1512 c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.tmp 848 xulplayer32_64.exe 3952 xulplayer32_64.exe -
Loads dropped DLL 3 IoCs
pid Process 1512 c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.tmp 1512 c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.tmp 1512 c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.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 c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer32_64.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer32_64.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1512 c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.tmp 1512 c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1512 c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 5104 wrote to memory of 1512 5104 c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.exe 80 PID 5104 wrote to memory of 1512 5104 c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.exe 80 PID 5104 wrote to memory of 1512 5104 c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.exe 80 PID 1512 wrote to memory of 848 1512 c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.tmp 82 PID 1512 wrote to memory of 848 1512 c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.tmp 82 PID 1512 wrote to memory of 848 1512 c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.tmp 82 PID 1512 wrote to memory of 3952 1512 c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.tmp 83 PID 1512 wrote to memory of 3952 1512 c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.tmp 83 PID 1512 wrote to memory of 3952 1512 c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.tmp 83
Processes
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C:\Users\Admin\AppData\Local\Temp\c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.exe"C:\Users\Admin\AppData\Local\Temp\c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5104 -
C:\Users\Admin\AppData\Local\Temp\is-3I5QG.tmp\c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.tmp"C:\Users\Admin\AppData\Local\Temp\is-3I5QG.tmp\c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.tmp" /SL5="$50082,3918893,54272,C:\Users\Admin\AppData\Local\Temp\c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.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:1512 -
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:848
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C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3952
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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-3I5QG.tmp\c7f7c1877928f503efd80427d8ac17083692a79bba6bc14303325a92bd81f868.tmp
Filesize692KB
MD500f15ee57af82fc40ac1ec609d1810a4
SHA16abfae4f73ade5af54d267c02389daf49abd6a51
SHA25620fea1e5fc629afb3a4f3aa818e7c00c66b692e2d6180c7ba64a246fd9d5d847
SHA512f9ab66c722b37cdb96f1a547a2c2d1c870b4966f27fee269bf65d47a506c2fcb0eab1ac168d0b4246ec336b23694d3c675d5be48f3338b79b76407c31cdad24c
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Filesize
3.3MB
MD59e63b3a339245f091c437106aa93347d
SHA16031c4b2244c5eb534550ebc19785f109f8ceb69
SHA2565bd0ec94b60095d76a3ba2ba96e501d2a047706428a478a9ff3c7292debf2f1e
SHA5120213853c1d6230f0e9b4f5e112478242a9488f23f5c2bf909024541aa46a9910151398577299d265f7bc0f81248a97fcc006498fb8efe7f1a952c426738e7513