Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
24-06-2024 19:59
Static task
static1
Behavioral task
behavioral1
Sample
d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.exe
Resource
win11-20240508-en
General
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Target
d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.exe
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Size
4.8MB
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MD5
a6ba67ff6e634d920d00ef7a00d5c656
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SHA1
8458e8b74fadf0147e35b3f61a74579a739f0c01
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SHA256
d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15
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SHA512
a04bdf774649ad1e3aee51eb5fd5185fc34d443940dcd66f4e287b19f61e1257aebf4d94c35cbda7de0184222ea994f2b130f90565907c11b0876da77f641cbf
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SSDEEP
98304:mNpMY3iIGtnQOSVU+grdHriK0NXR6R9Waqtt8BDEZe4Y1ZWXe25H4x/B:0+gFaNSVUThriKvnWaqtLZtnXr5H4dB
Malware Config
Extracted
socks5systemz
csdwkok.net
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/4100-85-0x00000000008C0000-0x0000000000962000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.tmpwinypux32.exewinypux32.exepid process 3452 d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.tmp 2460 winypux32.exe 4100 winypux32.exe -
Loads dropped DLL 1 IoCs
Processes:
d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.tmppid process 3452 d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.tmp -
Unexpected DNS network traffic destination 3 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 91.211.247.248 Destination IP 152.89.198.214 -
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:
d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.tmppid process 3452 d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.exed4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.tmpdescription pid process target process PID 232 wrote to memory of 3452 232 d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.exe d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.tmp PID 232 wrote to memory of 3452 232 d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.exe d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.tmp PID 232 wrote to memory of 3452 232 d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.exe d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.tmp PID 3452 wrote to memory of 2460 3452 d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.tmp winypux32.exe PID 3452 wrote to memory of 2460 3452 d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.tmp winypux32.exe PID 3452 wrote to memory of 2460 3452 d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.tmp winypux32.exe PID 3452 wrote to memory of 4100 3452 d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.tmp winypux32.exe PID 3452 wrote to memory of 4100 3452 d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.tmp winypux32.exe PID 3452 wrote to memory of 4100 3452 d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.tmp winypux32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.exe"C:\Users\Admin\AppData\Local\Temp\d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:232 -
C:\Users\Admin\AppData\Local\Temp\is-I3O1L.tmp\d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.tmp"C:\Users\Admin\AppData\Local\Temp\is-I3O1L.tmp\d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.tmp" /SL5="$401E6,4807771,54272,C:\Users\Admin\AppData\Local\Temp\d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3452 -
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i3⤵
- Executes dropped EXE
PID:2460
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C:\Users\Admin\AppData\Local\Winypux\winypux32.exe"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -s3⤵
- Executes dropped EXE
PID:4100
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-I3O1L.tmp\d4f2f9fe075c311ef5099232f47eb663de57d55725d22a3c4349d64855befc15.tmp
Filesize680KB
MD5b9936ad678f4594b574641d0dca651b0
SHA1be5a1cb9c1263eba95da8d68ccc8f3e060447622
SHA25694f2edfd8217a17a10957ecb6b31195b00f1e426b09463505060cb655ee00f39
SHA512c3e851c021c8c9ab1ff86dba6749a42a823a3ceaf5b18461ffe20a372fd3ea81a76f460cac4e6b803c0e17005ccbdd82c34cd96c5be3dd0aa996d00280f51ee7
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Filesize
2.8MB
MD5c9abc74836003c1758dbbabc05384ff3
SHA175a97608e3d06cf3036dba06205dde6660149e5b
SHA256b8630de3bb58c588abe12c24b8612180a29112439539d5b38d6115f561098d60
SHA5125bd4e07a668db623441e83cd5589613aa6cc4ad107ed0b4524f95b9ac63269d20558a0a1cb27f00b070d41edb19822910dc36499d6626af8d237c51695532348