Analysis
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max time kernel
292s -
max time network
285s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
30-05-2024 22:45
Static task
static1
Behavioral task
behavioral1
Sample
3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.exe
Resource
win10-20240404-en
General
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Target
3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.exe
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Size
4.9MB
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MD5
4e80ebc845c758260a7ee214b2ea53fc
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SHA1
5c2ad79e4ed5ad0ea5066c638aa0e806cddc751d
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SHA256
3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24
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SHA512
49490476c88e39736ea7ee26791f2703d74edc1e470fa73b046a47715f369d4d53f376087a3b057822e1f7d0fc2c9de18af359d87431735ad1200686047caa02
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SSDEEP
98304:m3IUaYes+AWJ6HsTZvcF1j1ypstXfNRvOuHy9uym:onSMHsTZvg1MsXRmu5R
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2960-84-0x00000000009C0000-0x0000000000A62000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.tmpstereotool32.exestereotool32.exepid process 3048 3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.tmp 4292 stereotool32.exe 2960 stereotool32.exe -
Loads dropped DLL 1 IoCs
Processes:
3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.tmppid process 3048 3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.tmp -
Unexpected DNS network traffic destination 2 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
description ioc Destination IP 91.211.247.248 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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.tmppid process 3048 3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.exe3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.tmpdescription pid process target process PID 4864 wrote to memory of 3048 4864 3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.exe 3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.tmp PID 4864 wrote to memory of 3048 4864 3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.exe 3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.tmp PID 4864 wrote to memory of 3048 4864 3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.exe 3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.tmp PID 3048 wrote to memory of 4292 3048 3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.tmp stereotool32.exe PID 3048 wrote to memory of 4292 3048 3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.tmp stereotool32.exe PID 3048 wrote to memory of 4292 3048 3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.tmp stereotool32.exe PID 3048 wrote to memory of 2960 3048 3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.tmp stereotool32.exe PID 3048 wrote to memory of 2960 3048 3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.tmp stereotool32.exe PID 3048 wrote to memory of 2960 3048 3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.tmp stereotool32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.exe"C:\Users\Admin\AppData\Local\Temp\3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4864 -
C:\Users\Admin\AppData\Local\Temp\is-D21D2.tmp\3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.tmp"C:\Users\Admin\AppData\Local\Temp\is-D21D2.tmp\3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.tmp" /SL5="$12007C,4841857,54272,C:\Users\Admin\AppData\Local\Temp\3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3048 -
C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe"C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe" -i3⤵
- Executes dropped EXE
PID:4292
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C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe"C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe" -s3⤵
- Executes dropped EXE
PID:2960
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.0MB
MD58e92663473ecef75f50ef6eb806f4503
SHA145cb7c2f4a7c6943446f95a7f2fd49865c6f4517
SHA2561ad354cb550e837fffe9aa6d47f8262bd76fa183d6c3e7c2212729a23c6093aa
SHA5128644cfe2f7137589b46f5e34978bba03b4a510aa23857f541e1e925fd14f2661993ff38cc6f4346010c682b186a1561ea1fb75f660fe45358569794a4420fe1b
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C:\Users\Admin\AppData\Local\Temp\is-D21D2.tmp\3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.tmp
Filesize680KB
MD5b70ed3d1bcbe0eb891e7fcd65a6c77e4
SHA130cf3d962d02a6a985d9adb67c915295568d69fa
SHA2563f93f208a112fac1c2fa79cab9829339bc479d2d6585c2e997465e986da5e6f7
SHA51286197a5309226a26badf73e64935c0c373013694dbbefd7d87129accc4652adafa70e7a6a2b53845d67acdacb8081a14be67d0f63aa2554991572b60cc04ab86
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63