Analysis
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max time kernel
147s -
max time network
156s -
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, 13:29
Static task
static1
Behavioral task
behavioral1
Sample
5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.exe
Resource
win11-20240802-en
General
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Target
5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.exe
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Size
4.0MB
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MD5
12acd8936e0389108ac79690f61bcab1
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SHA1
85e153cfe9c4395ada3b80e60b6479cc070e55a4
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SHA256
5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752
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SHA512
626916461a65950123216fa2d53697e1048671f6fcb28b922a0546b6c331d6e4702a73be4e758bf32ded81055b25b4d66dc736a624fdd8d8de5d9af7bef6d311
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SSDEEP
98304:N5aTctMFL1IPN9eHq9I/x1FtqcXv0hrP7VGHjdh:3GDQN8Hq9iPjDXslRGHjL
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/1168-85-0x00000000009B0000-0x0000000000A52000-memory.dmp family_socks5systemz behavioral1/memory/1168-108-0x00000000009B0000-0x0000000000A52000-memory.dmp family_socks5systemz behavioral1/memory/1168-109-0x00000000009B0000-0x0000000000A52000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 3528 5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.tmp 4356 xulplayer32.exe 1168 xulplayer32.exe -
Loads dropped DLL 3 IoCs
pid Process 3528 5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.tmp 3528 5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.tmp 3528 5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.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 91.211.247.248 -
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 5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3528 5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.tmp 3528 5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3528 5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4260 wrote to memory of 3528 4260 5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.exe 87 PID 4260 wrote to memory of 3528 4260 5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.exe 87 PID 4260 wrote to memory of 3528 4260 5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.exe 87 PID 3528 wrote to memory of 4356 3528 5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.tmp 88 PID 3528 wrote to memory of 4356 3528 5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.tmp 88 PID 3528 wrote to memory of 4356 3528 5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.tmp 88 PID 3528 wrote to memory of 1168 3528 5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.tmp 89 PID 3528 wrote to memory of 1168 3528 5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.tmp 89 PID 3528 wrote to memory of 1168 3528 5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.tmp 89
Processes
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C:\Users\Admin\AppData\Local\Temp\5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.exe"C:\Users\Admin\AppData\Local\Temp\5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4260 -
C:\Users\Admin\AppData\Local\Temp\is-IFHA6.tmp\5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.tmp"C:\Users\Admin\AppData\Local\Temp\is-IFHA6.tmp\5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.tmp" /SL5="$701CE,3953905,54272,C:\Users\Admin\AppData\Local\Temp\5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.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:3528 -
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:4356
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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:1168
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\is-IFHA6.tmp\5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.tmp
Filesize692KB
MD54a034cc8809b92775041cc5a46c52ab0
SHA13f2c748bf00a2aa6f3a86c6dfd8a3d667007a54d
SHA2564dfae16c80e15d6e45b60b5b847e1a641af184e3e06727fc3406355de9227e60
SHA512e1d4c9bff206800681a17b4487978a290d365a6593678741b6924394217bc352f1132add01e8e90b9b1b78f1f3bd606c2ff51955c8673503c5e28fb04afc71f6
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
13KB
MD5a813d18268affd4763dde940246dc7e5
SHA1c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
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Filesize
3.2MB
MD51558873749566fba378cb126e4b677f4
SHA1659bd8e9ad641b185d1e8c56d21e1c814fea5f31
SHA256d7591cb9d9155615aa2663d011e7e70654387be49adfab856ec1b711eb238775
SHA512d6f93e649602518af03d0977ec6bfc58404c288a28471a92acdee671bef283a1908f6c7947bbc0059717bb6134df6acd1571cf4fbd68b7f2f16c807aad4b1a98