Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
25-06-2024 00:34
Static task
static1
Behavioral task
behavioral1
Sample
9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe
Resource
win11-20240419-en
General
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Target
9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe
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Size
4.8MB
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MD5
c30d2c4add41600d793079c6955be16f
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SHA1
4ca1e8814d87901a2aceb9696d63a5f3e092970b
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SHA256
9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82
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SHA512
198fdf440b55f81b7290a7a39d658866250c40a566e002eff386bb7f99628604503f9bed1e498a76afb7728d055cd255a5a482ccd77c94e4d30cc138ad605d15
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SSDEEP
98304:mtjil7TEQiSU7XcR/rbwPV9zf6+xs1DljylTQhip2pIak5CHWFkQ:wjilZiHXcR/vcV9zf6OsPjyNQhT9Q
Malware Config
Extracted
socks5systemz
bfkpuet.com
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2404-86-0x00000000008C0000-0x0000000000962000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmpwinypux32.exewinypux32.exepid process 2220 9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp 1652 winypux32.exe 2404 winypux32.exe -
Loads dropped DLL 1 IoCs
Processes:
9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmppid process 2220 9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.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 152.89.198.214 Destination IP 152.89.198.214 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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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:
9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmppid process 2220 9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmpdescription pid process target process PID 3540 wrote to memory of 2220 3540 9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe 9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp PID 3540 wrote to memory of 2220 3540 9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe 9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp PID 3540 wrote to memory of 2220 3540 9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe 9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp PID 2220 wrote to memory of 1652 2220 9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp winypux32.exe PID 2220 wrote to memory of 1652 2220 9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp winypux32.exe PID 2220 wrote to memory of 1652 2220 9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp winypux32.exe PID 2220 wrote to memory of 2404 2220 9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp winypux32.exe PID 2220 wrote to memory of 2404 2220 9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp winypux32.exe PID 2220 wrote to memory of 2404 2220 9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp winypux32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe"C:\Users\Admin\AppData\Local\Temp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3540 -
C:\Users\Admin\AppData\Local\Temp\is-3VE6A.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp"C:\Users\Admin\AppData\Local\Temp\is-3VE6A.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp" /SL5="$601E6,4781395,54272,C:\Users\Admin\AppData\Local\Temp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2220 -
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i3⤵
- Executes dropped EXE
PID:1652
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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:2404
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\is-3VE6A.tmp\9e0ebe6b0f7b5dcf0e7c3f06bdcae8b9a805f5f878677371623cbfcfa7556d82.tmp
Filesize680KB
MD5ba4b463f4255291b24b4e085ff9f3e16
SHA1fcde9af1aee2ea2bfaf572fd44bec987fa107f9f
SHA2566abf9dbbad899a7f2d879ebeafd857d9d11a46844ad543cee3314ca3e5527f26
SHA512e3aa9dbf2189f52d6c047c992b940831fd8e342a552f76e8abba19aab102d9f8cafc877fb942f61e9fff957974d01934f8d54452c9fe3a2638d928b72cf4ca68
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
2.8MB
MD579c2c105e4f44071b2b530cff5d39938
SHA13997237abb69cceaf3272c7f0870e7f9e88d6059
SHA256878577de3a355e9fb41a9e2541a1631fa521e7b24e40252a20b8d32b3bb218fc
SHA5129fadcae4226cbb55be401aaca0dff55d93a8da3d4a1d443d0d469bd63873f82a3fc833c7ee111b16b526e38e0e5b364f8b24dfb3103ac291b1cfa997d14295e0