Analysis
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max time kernel
143s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03/08/2024, 12:13
Static task
static1
Behavioral task
behavioral1
Sample
2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.exe
Resource
win11-20240802-en
General
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Target
2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.exe
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Size
4.1MB
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MD5
7a12fff5493f696b5ac9736bd2e8cd39
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SHA1
241caf3bd619998727667bb50f1fdd5b95c952f2
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SHA256
2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f
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SHA512
2673e5cf1f08a387bf6b26ff15360f7d9931cf0addf02c93bc206b095f9d2db51e11ebaf9ef16303c627b264665a86b91b2374fe5ac7582a108c6a7d8da88fdc
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SSDEEP
98304:NQ5D2l9l4iS08HSl0VEnoavYoS0cNVDX6HMSJRN2do:TlPZ8HPE809HMSJRgy
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral1/memory/3244-76-0x0000000000CA0000-0x0000000000D42000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1916 2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.tmp 4240 jeengle.exe 3244 jeengle.exe -
Loads dropped DLL 1 IoCs
pid Process 1916 2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.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 2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jeengle.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jeengle.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1916 2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.tmp 1916 2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1916 2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2752 wrote to memory of 1916 2752 2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.exe 83 PID 2752 wrote to memory of 1916 2752 2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.exe 83 PID 2752 wrote to memory of 1916 2752 2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.exe 83 PID 1916 wrote to memory of 4240 1916 2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.tmp 84 PID 1916 wrote to memory of 4240 1916 2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.tmp 84 PID 1916 wrote to memory of 4240 1916 2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.tmp 84 PID 1916 wrote to memory of 3244 1916 2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.tmp 85 PID 1916 wrote to memory of 3244 1916 2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.tmp 85 PID 1916 wrote to memory of 3244 1916 2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.tmp 85
Processes
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C:\Users\Admin\AppData\Local\Temp\2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.exe"C:\Users\Admin\AppData\Local\Temp\2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2752 -
C:\Users\Admin\AppData\Local\Temp\is-B13TC.tmp\2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.tmp"C:\Users\Admin\AppData\Local\Temp\is-B13TC.tmp\2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.tmp" /SL5="$70050,4038749,54272,C:\Users\Admin\AppData\Local\Temp\2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.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:1916 -
C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe"C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4240
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C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe"C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3244
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4.3MB
MD552483397249647515f3fa56b6cda6661
SHA1b3162f84b3e8496c61b5d518ab9e7c9f3da9d6e4
SHA256a6e6dccedee360266faa256172ba1225da67d0fbf78dae0cc541c6fbe0bef996
SHA5122e9dc86a71c23f60349847b77a3aaf8c892dd5386c33425967420b3ac0e0bfd537caa6e97b22beba98c67a63981fd37197067ee9ad7f101e46e27d735a9a0999
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-B13TC.tmp\2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.tmp
Filesize692KB
MD5f2401276f4e0f70c3aa6106d682479c5
SHA165bc28f6da79ad6c101b63efd11fa1660d944fb8
SHA256b739f981bcb90a93b3f5bed7d9d9b2a816b9917dd24a4e612930383514bb4c8b
SHA5120bce116b84c04fdd7c083e4275bbca41ceb8a453c54a09748d620e87b3d168076920b2c1c87f5b1d3c92b53a6b827c44ddaf5a532aafd0d421675c7bda5cacc9