Analysis
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max time kernel
292s -
max time network
298s -
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 22:44
Static task
static1
Behavioral task
behavioral1
Sample
34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.exe
Resource
win10-20240404-en
General
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Target
34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.exe
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Size
4.8MB
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MD5
7f6ae1962a3180de6f18c6e94dee43ed
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SHA1
019a7f98458ed3224665260c36e2557796e86941
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SHA256
34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642
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SHA512
62d9d558937359b36597df0e4be90ab4ab70798058c3fe1361439553cf9839e83f8016670cf4a6770fcaea0786651cd22d7b10c1c248d527ba689875f844e8c9
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SSDEEP
98304:mXXJhzwbzigfMELGiShzyUDWohp0Qrfp7H5bvy1VlaXB:GQq4MaGiShzxioD0WFb8y
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/5036-84-0x0000000000950000-0x00000000009F2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmpstereotool32.exestereotool32.exepid process 5056 34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmp 2552 stereotool32.exe 5036 stereotool32.exe -
Loads dropped DLL 1 IoCs
Processes:
34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmppid process 5056 34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.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 141.98.234.31 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:
34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmppid process 5056 34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.exe34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmpdescription pid process target process PID 5064 wrote to memory of 5056 5064 34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.exe 34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmp PID 5064 wrote to memory of 5056 5064 34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.exe 34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmp PID 5064 wrote to memory of 5056 5064 34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.exe 34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmp PID 5056 wrote to memory of 2552 5056 34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmp stereotool32.exe PID 5056 wrote to memory of 2552 5056 34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmp stereotool32.exe PID 5056 wrote to memory of 2552 5056 34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmp stereotool32.exe PID 5056 wrote to memory of 5036 5056 34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmp stereotool32.exe PID 5056 wrote to memory of 5036 5056 34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmp stereotool32.exe PID 5056 wrote to memory of 5036 5056 34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmp stereotool32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.exe"C:\Users\Admin\AppData\Local\Temp\34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:5064 -
C:\Users\Admin\AppData\Local\Temp\is-M38S1.tmp\34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmp"C:\Users\Admin\AppData\Local\Temp\is-M38S1.tmp\34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmp" /SL5="$50236,4804141,54272,C:\Users\Admin\AppData\Local\Temp\34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5056 -
C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe"C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe" -i3⤵
- Executes dropped EXE
PID:2552
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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:5036
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.0MB
MD56e193493307124a4c213ee2624459c28
SHA1c94d6a9da2a9f7e3edd003ba35183a70541cdfdf
SHA256217bf8946ad94b5ae2b28fd9ba05dbd5ac1814a6d2a3c0efabc74b76500014bc
SHA512db5e7831aab9c93816479ded8f73269e51dab694df60b385b2782ce15daa33550b5aaa481e22710c8d758457f2149f3a7073ff7546d5d421081372df9516d1b2
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C:\Users\Admin\AppData\Local\Temp\is-M38S1.tmp\34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmp
Filesize680KB
MD5b70ed3d1bcbe0eb891e7fcd65a6c77e4
SHA130cf3d962d02a6a985d9adb67c915295568d69fa
SHA2563f93f208a112fac1c2fa79cab9829339bc479d2d6585c2e997465e986da5e6f7
SHA51286197a5309226a26badf73e64935c0c373013694dbbefd7d87129accc4652adafa70e7a6a2b53845d67acdacb8081a14be67d0f63aa2554991572b60cc04ab86
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63