Analysis
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max time kernel
143s -
max time network
132s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
02/08/2024, 12:37
Static task
static1
Behavioral task
behavioral1
Sample
171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.exe
Resource
win10v2004-20240730-en
General
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Target
171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.exe
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Size
4.0MB
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MD5
8fb33ceb2fa5730d11c239a00479391e
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SHA1
97ccffe08950e3051087e1bbfe6ad531c3660327
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SHA256
171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5
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SHA512
2560d9c4a06808c1c637644e67f0d3f8cd5d1eeebf0a86fbf6105eca44c2e4c336908705460897df0eccdbebe41dddd53e38f63c2091e7afb9c93a8ed06807a7
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SSDEEP
98304:N2TDQ1/pRVbk32D0zCmJYSqvaAul3HCHs4pX17J1E3hlDKdP/3:Y/Q1h7kSyvJYSqvAExV1ulGZv
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/2184-85-0x0000000002570000-0x0000000002612000-memory.dmp family_socks5systemz behavioral1/memory/2184-108-0x0000000002570000-0x0000000002612000-memory.dmp family_socks5systemz behavioral1/memory/2184-107-0x0000000002570000-0x0000000002612000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1852 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp 2736 midi2mp3converter32.exe 2184 midi2mp3converter32.exe -
Loads dropped DLL 5 IoCs
pid Process 2204 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.exe 1852 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp 1852 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp 1852 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp 1852 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.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 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language midi2mp3converter32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language midi2mp3converter32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1852 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp 1852 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1852 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2204 wrote to memory of 1852 2204 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.exe 30 PID 2204 wrote to memory of 1852 2204 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.exe 30 PID 2204 wrote to memory of 1852 2204 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.exe 30 PID 2204 wrote to memory of 1852 2204 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.exe 30 PID 2204 wrote to memory of 1852 2204 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.exe 30 PID 2204 wrote to memory of 1852 2204 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.exe 30 PID 2204 wrote to memory of 1852 2204 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.exe 30 PID 1852 wrote to memory of 2736 1852 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp 31 PID 1852 wrote to memory of 2736 1852 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp 31 PID 1852 wrote to memory of 2736 1852 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp 31 PID 1852 wrote to memory of 2736 1852 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp 31 PID 1852 wrote to memory of 2184 1852 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp 33 PID 1852 wrote to memory of 2184 1852 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp 33 PID 1852 wrote to memory of 2184 1852 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp 33 PID 1852 wrote to memory of 2184 1852 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp 33
Processes
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C:\Users\Admin\AppData\Local\Temp\171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.exe"C:\Users\Admin\AppData\Local\Temp\171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2204 -
C:\Users\Admin\AppData\Local\Temp\is-B25IE.tmp\171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp"C:\Users\Admin\AppData\Local\Temp\is-B25IE.tmp\171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp" /SL5="$301CE,3904543,54272,C:\Users\Admin\AppData\Local\Temp\171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.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:1852 -
C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter32.exe"C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter32.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2736
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C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter32.exe"C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter32.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2184
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4.3MB
MD51a76118efa2992dbaf89857615863843
SHA143f8dba80a5cebf9572e7015d6c7360da684d96c
SHA2560900c00864992f3b2d95527d0f7d80c9281466bf6a1f8dd54df39ecc024c1e6f
SHA512e5e051bb9d55502e244664ea06c7cba5f10c30e30955e6b218af6854bbd3fe25e3f529bf66b6baca6fcdf61bd7b598eaebd5f1a3abe6a57aa87922cb88cfa3d8
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\Users\Admin\AppData\Local\Temp\is-B25IE.tmp\171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp
Filesize692KB
MD51eb3e9399c5013c37a44cdf5a17ceaf6
SHA11c3cd272348e09cea6d1da0a498c0fcbc2d5beac
SHA2562b44cd29d7e79d1d559cd91eafb9a02510d2f56773af076fdbf5196168ed8522
SHA512e3b93bd750db1cef9c2ca214ca79381539b415da661b8dd0f0a972b2b2f894093a310da7cb5db3c917dd5d94cac8a0e6de40608cb37b1c0e70a85c205c7651f6
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3