Analysis
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max time kernel
141s -
max time network
149s -
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, 01:47
Static task
static1
Behavioral task
behavioral1
Sample
0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.exe
Resource
win11-20240802-en
General
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Target
0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.exe
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Size
4.5MB
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MD5
5d76c07ef6deed24f61bbea8b753275e
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SHA1
74666c949ba1baf2efeea4f3f84778769ca54c2d
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SHA256
0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8
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SHA512
0d9cb94dcf98a174aecff7ed79530011774f4a7e994bc7b8661e9cbc5a08834b3903f851b39d0537048fc6526fd7704ec6a6994d55df5e29737c3850bc385972
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SSDEEP
98304:N+8+gI2vM0gQprLCtQgoFvFsD7uqeG7peIzrGMV9NdJ:Zrk0gQprLNBFsnT70qGED
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/4844-81-0x0000000000AC0000-0x0000000000B62000-memory.dmp family_socks5systemz behavioral1/memory/4844-106-0x0000000000AC0000-0x0000000000B62000-memory.dmp family_socks5systemz behavioral1/memory/4844-107-0x0000000000AC0000-0x0000000000B62000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1976 0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.tmp 3776 avicodec32_64.exe 4844 avicodec32_64.exe -
Loads dropped DLL 3 IoCs
pid Process 1976 0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.tmp 1976 0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.tmp 1976 0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.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 avicodec32_64.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language avicodec32_64.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1976 0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.tmp 1976 0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1976 0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4684 wrote to memory of 1976 4684 0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.exe 86 PID 4684 wrote to memory of 1976 4684 0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.exe 86 PID 4684 wrote to memory of 1976 4684 0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.exe 86 PID 1976 wrote to memory of 3776 1976 0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.tmp 88 PID 1976 wrote to memory of 3776 1976 0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.tmp 88 PID 1976 wrote to memory of 3776 1976 0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.tmp 88 PID 1976 wrote to memory of 4844 1976 0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.tmp 89 PID 1976 wrote to memory of 4844 1976 0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.tmp 89 PID 1976 wrote to memory of 4844 1976 0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.tmp 89
Processes
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C:\Users\Admin\AppData\Local\Temp\0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.exe"C:\Users\Admin\AppData\Local\Temp\0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4684 -
C:\Users\Admin\AppData\Local\Temp\is-RK5RQ.tmp\0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.tmp"C:\Users\Admin\AppData\Local\Temp\is-RK5RQ.tmp\0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.tmp" /SL5="$D0042,4414815,54272,C:\Users\Admin\AppData\Local\Temp\0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.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:1976 -
C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe"C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3776
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C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe"C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4844
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4.1MB
MD521837b6f19f5fcf8a90a3d6f5f27e0b3
SHA1e1c17e321eddd3f8ed611684bceff0a2983453a7
SHA256f62f9ac2bdf1b12049d1ed404649698322a2375c00e496a019c09e8ac144a581
SHA512432531f985165fc7954e3c9a678b13f572ff5b6e9539b8161fe624dffb00cd4c3f3e0a9ac33cefed363a8e2f79080813441aac720811ee1f8b4cc9e854ca9628
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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-RK5RQ.tmp\0e9dc9861a27c2605e3a5a3808b7a01fd24d150aae097093b4257d5feb37e5a8.tmp
Filesize692KB
MD585fc5b8836d8625fbfa40a092386e645
SHA1a90bb83f5d8d024bb357a44682267a50406071d6
SHA2566dda4c9c34d1898b592ebeccee9f4b2a2bffefd68296da6310435e13fb63d950
SHA512c50e53c2c695c7ba24b4cc2c2f958e1e9ce4eea9b541684ea41c7cae513919bb80171dcaaf1c18a8f37221737e6a1f8ba0881a224abd3dd09407d0c4edb96aae