Analysis
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max time kernel
147s -
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
14-06-2024 06:41
Static task
static1
Behavioral task
behavioral1
Sample
ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.exe
Resource
win11-20240611-en
General
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Target
ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.exe
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Size
5.0MB
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MD5
76387b539a94f7e78d784b9e6b9df3b8
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SHA1
d52b9b7a62bbd96a5b294f3d51cd5f907faea77c
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SHA256
ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2
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SHA512
6b4b5b4bb43f60910aac929e9141e3f16dc84542840f50240621ba18c38858abf2d2f67fc18ebcf74e31e1f57a775f26afda812ab7d35ac37a4913d667c085a8
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SSDEEP
98304:m7jtycBh0nwBw3adDzbkg//ekn27+HZbKQllFHhFd3:ON+wm3adHbl/HnlZbKI/d3
Malware Config
Extracted
socks5systemz
aqybnmb.ru
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1612-85-0x0000000000840000-0x00000000008E2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.tmpm4atomp3freeconverter.exem4atomp3freeconverter.exepid process 1988 ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.tmp 4696 m4atomp3freeconverter.exe 1612 m4atomp3freeconverter.exe -
Loads dropped DLL 1 IoCs
Processes:
ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.tmppid process 1988 ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.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 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:
ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.tmppid process 1988 ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.exeed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.tmpdescription pid process target process PID 2264 wrote to memory of 1988 2264 ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.exe ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.tmp PID 2264 wrote to memory of 1988 2264 ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.exe ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.tmp PID 2264 wrote to memory of 1988 2264 ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.exe ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.tmp PID 1988 wrote to memory of 4696 1988 ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.tmp m4atomp3freeconverter.exe PID 1988 wrote to memory of 4696 1988 ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.tmp m4atomp3freeconverter.exe PID 1988 wrote to memory of 4696 1988 ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.tmp m4atomp3freeconverter.exe PID 1988 wrote to memory of 1612 1988 ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.tmp m4atomp3freeconverter.exe PID 1988 wrote to memory of 1612 1988 ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.tmp m4atomp3freeconverter.exe PID 1988 wrote to memory of 1612 1988 ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.tmp m4atomp3freeconverter.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.exe"C:\Users\Admin\AppData\Local\Temp\ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-BF0RK.tmp\ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.tmp"C:\Users\Admin\AppData\Local\Temp\is-BF0RK.tmp\ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.tmp" /SL5="$501C2,4972681,54272,C:\Users\Admin\AppData\Local\Temp\ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.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\m4atomp3freeconverter.exe"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe" -s3⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exeFilesize
3.1MB
MD5df6d19ba139127fa60d1b5cc4199ab62
SHA135bbd7d86817728c0902753ec755a72685a69225
SHA256296df776d9840e81270302037b0a90252dc955cd0256642dd3342095fac94d18
SHA512c85058f49256f70e440fc73df4fec5b984ac35f80333642a00e6c5dc4e39b16f6bb46db0cf4bf8d37e4017a56eaceffea985ab48154a59b380cba770d2df44b1
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C:\Users\Admin\AppData\Local\Temp\is-881AR.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-BF0RK.tmp\ed54f10a6f02a5a917f5a94b042b180ee3108a23f94b3ae1c466f2bb5e65b0d2.tmpFilesize
680KB
MD5dafff71ba13e58daac2c21ed0ed54458
SHA1ec169d6088ee3a539030ef630164dae1dd7d9a80
SHA256167c4af51c1b261fc6bc53d7e4eab5cc5408ac4953518f1dcd129dbe62aca9fb
SHA512ecd2f14d391892f82efea278949c0a20367bec0eefef159ad44915d008b462ba0ffb5b00175c5b7f9b9e1f2779f9ed562eb39cf143dd9f44b550f96a7c9bc719
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memory/1612-95-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/1612-79-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/1612-113-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/1612-110-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/1612-107-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/1612-104-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/1612-101-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/1612-67-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/1612-98-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/1612-92-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/1612-70-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/1612-73-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/1612-76-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/1612-87-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/1612-82-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/1612-85-0x0000000000840000-0x00000000008E2000-memory.dmpFilesize
648KB
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memory/1988-10-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1988-69-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/2264-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2264-68-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2264-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/4696-64-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/4696-62-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/4696-60-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/4696-59-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB