Analysis
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max time kernel
292s -
max time network
298s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
17-06-2024 05:01
Static task
static1
Behavioral task
behavioral1
Sample
1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.exe
Resource
win10-20240404-en
General
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Target
1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.exe
-
Size
5.0MB
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MD5
915ca029bb259f339cbf12728e87d38b
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SHA1
61dec59da649eeca4d1058ca346f399e60592c2d
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SHA256
1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8
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SHA512
d229b4096609194cd2fb770d8846fc751bfa3f34b8c99f3f33e62f143648045050f8faaeed7145aa931666369093c924afa4ae0f48f50054d34ec1ee9b57cffb
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SSDEEP
98304:mZs9TCAas88G0/J8LYe++PVbcrs1NoNI7bb8fJ8bG+lqAKop+3gXtyuqa3cI0UQ:hD//6LYe+kV4rISub8fJO8A2gd6a3Ng
Malware Config
Extracted
socks5systemz
butmiju.com
kbgiyqa.ua
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2368-92-0x0000000002230000-0x00000000022D2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmpm4atomp3converter.exem4atomp3converter.exepid process 1656 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp 2632 m4atomp3converter.exe 2368 m4atomp3converter.exe -
Loads dropped DLL 5 IoCs
Processes:
1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.exe1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmppid process 2128 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.exe 1656 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp 1656 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp 1656 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp 1656 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp -
Unexpected DNS network traffic destination 13 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 45.155.250.90 Destination IP 91.211.247.248 Destination IP 81.31.197.38 Destination IP 152.89.198.214 Destination IP 81.31.197.38 Destination IP 91.211.247.248 Destination IP 141.98.234.31 Destination IP 152.89.198.214 Destination IP 45.155.250.90 Destination IP 141.98.234.31 Destination IP 152.89.198.214 Destination IP 45.155.250.90 -
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:
1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmppid process 1656 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.exe1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmpdescription pid process target process PID 2128 wrote to memory of 1656 2128 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.exe 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp PID 2128 wrote to memory of 1656 2128 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.exe 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp PID 2128 wrote to memory of 1656 2128 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.exe 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp PID 2128 wrote to memory of 1656 2128 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.exe 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp PID 2128 wrote to memory of 1656 2128 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.exe 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp PID 2128 wrote to memory of 1656 2128 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.exe 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp PID 2128 wrote to memory of 1656 2128 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.exe 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp PID 1656 wrote to memory of 2632 1656 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp m4atomp3converter.exe PID 1656 wrote to memory of 2632 1656 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp m4atomp3converter.exe PID 1656 wrote to memory of 2632 1656 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp m4atomp3converter.exe PID 1656 wrote to memory of 2632 1656 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp m4atomp3converter.exe PID 1656 wrote to memory of 2368 1656 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp m4atomp3converter.exe PID 1656 wrote to memory of 2368 1656 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp m4atomp3converter.exe PID 1656 wrote to memory of 2368 1656 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp m4atomp3converter.exe PID 1656 wrote to memory of 2368 1656 1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp m4atomp3converter.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.exe"C:\Users\Admin\AppData\Local\Temp\1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-3BFQV.tmp\1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp"C:\Users\Admin\AppData\Local\Temp\is-3BFQV.tmp\1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmp" /SL5="$30144,4963989,54272,C:\Users\Admin\AppData\Local\Temp\1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -s3⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exeFilesize
3.1MB
MD5ec0f3158d5afd17be39133044b926a9e
SHA18506c10216959bf3fd5be3f6feb845c0424874a1
SHA256c2c221e2beadceb56a1914c4561de953a307683ace06ef704135683dd85dcc58
SHA512f12cccfd80d745fd3b1464c88e8954cdc1f1c8f6de2a71a769e06c3eb58a808e7a805ca5d2d1d7dfb085a7a8815283a87c3266ed0ebf3a9bd82ec9112d5d5a33
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\Users\Admin\AppData\Local\Temp\is-1S8AK.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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\Users\Admin\AppData\Local\Temp\is-1S8AK.tmp\_isetup\_shfoldr.dllFilesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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\Users\Admin\AppData\Local\Temp\is-3BFQV.tmp\1b7ea6270b2aec5b56743055932b078657b9756c49591b1e8f3eb65b1280f7e8.tmpFilesize
680KB
MD5283da5c763c54b41092d9fe0d244b491
SHA1d5e6a5b76a18c5a1d68244f2c3697bd8881fcf03
SHA256339d2ff372992255baddd6d21cc15045b42780b25d251f570480e1aacdd00ad9
SHA512306815b5fd5c387ffd9705097271edf5851cee7c28d1bc707813ce26714e8f722b8a34f73c43903ab6e7303dafc6ab6fa48262e487d86124c037879618cbd45a
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memory/1656-9-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1656-63-0x0000000004220000-0x000000000453F000-memory.dmpFilesize
3.1MB
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memory/1656-78-0x0000000004220000-0x000000000453F000-memory.dmpFilesize
3.1MB
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memory/1656-74-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/2128-73-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2128-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2128-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/2368-104-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB
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memory/2368-98-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB
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memory/2368-134-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB
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memory/2368-75-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB
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memory/2368-131-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB
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memory/2368-79-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB
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memory/2368-82-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB
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memory/2368-85-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB
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memory/2368-88-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB
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memory/2368-91-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB
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memory/2368-92-0x0000000002230000-0x00000000022D2000-memory.dmpFilesize
648KB
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memory/2368-71-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB
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memory/2368-101-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB
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memory/2368-128-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB
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memory/2368-107-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB
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memory/2368-110-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB
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memory/2368-113-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB
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memory/2368-116-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB
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memory/2368-119-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB
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memory/2368-122-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB
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memory/2368-125-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB
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memory/2632-65-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB
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memory/2632-66-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB
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memory/2632-69-0x0000000000400000-0x000000000071F000-memory.dmpFilesize
3.1MB