Analysis
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max time kernel
292s -
max time network
280s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
30-05-2024 22:52
Static task
static1
Behavioral task
behavioral1
Sample
490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.exe
Resource
win10-20240404-en
General
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Target
490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.exe
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Size
4.8MB
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MD5
c77c9ce1b1c514926abd59c2fc7a421d
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SHA1
c995eff569ac277b7be43fb616d1c85ff36de490
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SHA256
490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a
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SHA512
8eac79e0d35dd1dbc159fc34fb0730d083938a9097158094584dbfdb044dd93b5efa42a09c5d68ad88f5b56075649fa5e86dcd3d6f2fda63c0766ad91120fa26
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SSDEEP
98304:mhM/RqaAe88aJA+FSb5Bff2BQC1jIskYoDEB8bHkE0Aqpz4NDnGQ6:B/URe8VJ9FSiB+5vbH30okV
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2956-92-0x00000000022A0000-0x0000000002342000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp5kplayer.exe5kplayer.exepid process 2604 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp 2372 5kplayer.exe 2956 5kplayer.exe -
Loads dropped DLL 5 IoCs
Processes:
490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.exe490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmppid process 2964 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.exe 2604 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp 2604 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp 2604 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp 2604 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.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 45.155.250.90 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:
490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmppid process 2604 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.exe490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmpdescription pid process target process PID 2964 wrote to memory of 2604 2964 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.exe 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp PID 2964 wrote to memory of 2604 2964 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.exe 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp PID 2964 wrote to memory of 2604 2964 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.exe 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp PID 2964 wrote to memory of 2604 2964 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.exe 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp PID 2964 wrote to memory of 2604 2964 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.exe 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp PID 2964 wrote to memory of 2604 2964 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.exe 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp PID 2964 wrote to memory of 2604 2964 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.exe 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp PID 2604 wrote to memory of 2372 2604 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp 5kplayer.exe PID 2604 wrote to memory of 2372 2604 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp 5kplayer.exe PID 2604 wrote to memory of 2372 2604 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp 5kplayer.exe PID 2604 wrote to memory of 2372 2604 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp 5kplayer.exe PID 2604 wrote to memory of 2956 2604 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp 5kplayer.exe PID 2604 wrote to memory of 2956 2604 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp 5kplayer.exe PID 2604 wrote to memory of 2956 2604 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp 5kplayer.exe PID 2604 wrote to memory of 2956 2604 490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp 5kplayer.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.exe"C:\Users\Admin\AppData\Local\Temp\490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2964 -
C:\Users\Admin\AppData\Local\Temp\is-U9760.tmp\490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp"C:\Users\Admin\AppData\Local\Temp\is-U9760.tmp\490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp" /SL5="$400EA,4738570,54272,C:\Users\Admin\AppData\Local\Temp\490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe" -i3⤵
- Executes dropped EXE
PID:2372
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C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe" -s3⤵
- Executes dropped EXE
PID:2956
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.0MB
MD5886064c615d75a51c947f1211bffdb03
SHA1fc0424a40cf2c962d843fd9db8b63476a007463e
SHA256c59038565a8a61cee75433a5ef174437e97f4e885b62cf5e2f8a83fbb1efddd8
SHA512e40dd78a1ba88c4361482196bad728567472f62a992990a3026c8699a00a84827bea5cdd6a9348afa6c683877048a07532c1beadafd7319f831bc913b9884259
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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\Users\Admin\AppData\Local\Temp\is-U9760.tmp\490a74783ce10188e11464a95262df27a825bf9804b63c47d84a0481225dcd0a.tmp
Filesize680KB
MD54dc224bb697f1ac21a2615f277db675c
SHA162308fb4f79b9ccd60a1a4d13c0506fbb7795688
SHA256c318aaf77ffb1475e65d9670d31972602e97727906315bbb012893a40252b6b6
SHA51282373f8d81729e8fa24a881f4af93c892a371f4de6ac506e61c534dd6b8b796d9ab46d9ab81e3e81a9997c7d27d8b409d4a377ed8b0606f7d9192a4e372b3b8e