Analysis
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max time kernel
142s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
12/08/2024, 00:55
Static task
static1
Behavioral task
behavioral1
Sample
7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.exe
Resource
win11-20240802-en
General
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Target
7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.exe
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Size
4.1MB
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MD5
f6cdc03bd96539e1bb0281cae0537cfc
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SHA1
522d13270760b7bbea900665c0d8fdc45632bf5a
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SHA256
7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f
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SHA512
2043019fff3588ff8fac3af9749b234dbe7c51016c98fe2a7c51d862e5b01bea1bff5c3732d35fcc0ddb48239210b60311d7ff5e6e075704b0bf20af314d7cfc
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SSDEEP
98304:N0rlP7nTgC3VrAr0ETH2AgjnUlyVJKXx8B7NKnWdX:urN78Gr00UWrVVcuNFV
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral2/memory/3700-81-0x00000000009A0000-0x0000000000A42000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 4780 7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.tmp 2496 xulplayer32_64.exe 3700 xulplayer32_64.exe -
Loads dropped DLL 3 IoCs
pid Process 4780 7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.tmp 4780 7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.tmp 4780 7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.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 45.155.250.90 -
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 7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.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 4780 7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.tmp 4780 7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4780 7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4084 wrote to memory of 4780 4084 7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.exe 81 PID 4084 wrote to memory of 4780 4084 7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.exe 81 PID 4084 wrote to memory of 4780 4084 7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.exe 81 PID 4780 wrote to memory of 2496 4780 7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.tmp 82 PID 4780 wrote to memory of 2496 4780 7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.tmp 82 PID 4780 wrote to memory of 2496 4780 7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.tmp 82 PID 4780 wrote to memory of 3700 4780 7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.tmp 83 PID 4780 wrote to memory of 3700 4780 7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.tmp 83 PID 4780 wrote to memory of 3700 4780 7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.tmp 83
Processes
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C:\Users\Admin\AppData\Local\Temp\7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.exe"C:\Users\Admin\AppData\Local\Temp\7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4084 -
C:\Users\Admin\AppData\Local\Temp\is-2UVPQ.tmp\7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.tmp"C:\Users\Admin\AppData\Local\Temp\is-2UVPQ.tmp\7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.tmp" /SL5="$50266,4071062,54272,C:\Users\Admin\AppData\Local\Temp\7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.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:4780 -
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:2496
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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:3700
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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-2UVPQ.tmp\7dcbe341459dbb1ae9e37f1b196cad68d45ef1fabe14d1d2e267f4ccc8398f8f.tmp
Filesize692KB
MD500f15ee57af82fc40ac1ec609d1810a4
SHA16abfae4f73ade5af54d267c02389daf49abd6a51
SHA25620fea1e5fc629afb3a4f3aa818e7c00c66b692e2d6180c7ba64a246fd9d5d847
SHA512f9ab66c722b37cdb96f1a547a2c2d1c870b4966f27fee269bf65d47a506c2fcb0eab1ac168d0b4246ec336b23694d3c675d5be48f3338b79b76407c31cdad24c
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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
3.5MB
MD59b1f4bc7cfd0aad817f3eebe261cb60a
SHA1544ebda2aedfb78e62cc71083851a1d92e98595a
SHA256d5b2d9616fe44cef316aa7009054dcf1b9656f0b11dca0d50e0ccb19cc392439
SHA512337170f36a640b1ad8890d6f342a0eaf0621523f87a8f39b12d6315b36e1d5bfdfd740cd1f2c47c7d42596be8af95b1c4d472a180ec1127784a80856925549a7