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
28-06-2024 00:05
Static task
static1
Behavioral task
behavioral1
Sample
72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.exe
Resource
win11-20240611-en
General
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Target
72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.exe
-
Size
5.0MB
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MD5
4bcaa91a1cd0048e4453abfeed64930c
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SHA1
7234adef68ea136a8856410c45d8dae8d72375a9
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SHA256
72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135
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SHA512
51a132ebf82e23b0cff21cc0d250d8b6ce38af0235b5d417c377985752e1203b69b488bdb39e632eeb8d87377d5c7e8556e057b6542ed8c2a37b5dde6dd259f1
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SSDEEP
98304:ClA4j+L5xsiWwb8Ry+vEBzYDIq9qVLa6UinSSUlYB+0p4T6/M3aFIkQxcMv:NE+L5xsJwKvAzqoaLlmpQ13afQW8
Malware Config
Extracted
socks5systemz
bwzfupb.com
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1596-88-0x0000000000940000-0x00000000009E2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmpwavmp3splitter32.exewavmp3splitter32.exepid process 1524 72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp 4496 wavmp3splitter32.exe 1596 wavmp3splitter32.exe -
Loads dropped DLL 1 IoCs
Processes:
72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmppid process 1524 72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.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 141.98.234.31 -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
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:
72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmppid process 1524 72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.exe72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmpdescription pid process target process PID 4864 wrote to memory of 1524 4864 72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.exe 72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp PID 4864 wrote to memory of 1524 4864 72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.exe 72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp PID 4864 wrote to memory of 1524 4864 72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.exe 72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp PID 1524 wrote to memory of 4496 1524 72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp wavmp3splitter32.exe PID 1524 wrote to memory of 4496 1524 72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp wavmp3splitter32.exe PID 1524 wrote to memory of 4496 1524 72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp wavmp3splitter32.exe PID 1524 wrote to memory of 1596 1524 72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp wavmp3splitter32.exe PID 1524 wrote to memory of 1596 1524 72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp wavmp3splitter32.exe PID 1524 wrote to memory of 1596 1524 72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp wavmp3splitter32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.exe"C:\Users\Admin\AppData\Local\Temp\72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-M5LP2.tmp\72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp"C:\Users\Admin\AppData\Local\Temp\is-M5LP2.tmp\72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp" /SL5="$60162,4982149,54272,C:\Users\Admin\AppData\Local\Temp\72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.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\Direct WAV MP3 Splitter\wavmp3splitter32.exe"C:\Users\Admin\AppData\Local\Direct WAV MP3 Splitter\wavmp3splitter32.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Direct WAV MP3 Splitter\wavmp3splitter32.exe"C:\Users\Admin\AppData\Local\Direct WAV MP3 Splitter\wavmp3splitter32.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\Direct WAV MP3 Splitter\wavmp3splitter32.exeFilesize
3.4MB
MD5667081bbd0624ac483dcceffb41c134b
SHA15a60619438a655bd8e1f4e2f6c3da3b62c2e072d
SHA256c2ed1b83c13a0eac6cb8648d6645916e090e381945e39953430e5c98363c2cbb
SHA51289e82a6c4fdcfca5162d47198da72317cbf3c486027b1a9cc27cf05d4fb060537511c7ba905963f59b4de7160f2cc25a572b56496a3c35cbd625ae802678de1c
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C:\Users\Admin\AppData\Local\Temp\is-HUI01.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-M5LP2.tmp\72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmpFilesize
680KB
MD559177ea3e8147d91b694e9949c60d194
SHA15c8cfd3fcccd7be056c7c0e2e4fc063c38dc14bd
SHA2569687ab4b33b1a083194713be5a0f872ebb949773b832a20063a507073859e28c
SHA512a235dab7d5dc6652f5f8256c1e2c19aef2f583ead02a920ee17658eeb64e8a9620767594d7e4b6ca4aa030643821133c1a18823c55ea769d3221383927ea8a08
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memory/1524-70-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1524-14-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1596-95-0x0000000000400000-0x0000000000765000-memory.dmpFilesize
3.4MB
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memory/1596-113-0x0000000000400000-0x0000000000765000-memory.dmpFilesize
3.4MB
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memory/1596-107-0x0000000000400000-0x0000000000765000-memory.dmpFilesize
3.4MB
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memory/1596-104-0x0000000000400000-0x0000000000765000-memory.dmpFilesize
3.4MB
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memory/1596-101-0x0000000000400000-0x0000000000765000-memory.dmpFilesize
3.4MB
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memory/1596-68-0x0000000000400000-0x0000000000765000-memory.dmpFilesize
3.4MB
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memory/1596-98-0x0000000000400000-0x0000000000765000-memory.dmpFilesize
3.4MB
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memory/1596-116-0x0000000000400000-0x0000000000765000-memory.dmpFilesize
3.4MB
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memory/1596-71-0x0000000000400000-0x0000000000765000-memory.dmpFilesize
3.4MB
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memory/1596-74-0x0000000000400000-0x0000000000765000-memory.dmpFilesize
3.4MB
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memory/1596-75-0x0000000000400000-0x0000000000765000-memory.dmpFilesize
3.4MB
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memory/1596-78-0x0000000000400000-0x0000000000765000-memory.dmpFilesize
3.4MB
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memory/1596-81-0x0000000000400000-0x0000000000765000-memory.dmpFilesize
3.4MB
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memory/1596-84-0x0000000000400000-0x0000000000765000-memory.dmpFilesize
3.4MB
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memory/1596-89-0x0000000000400000-0x0000000000765000-memory.dmpFilesize
3.4MB
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memory/1596-88-0x0000000000940000-0x00000000009E2000-memory.dmpFilesize
648KB
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memory/1596-110-0x0000000000400000-0x0000000000765000-memory.dmpFilesize
3.4MB
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memory/4496-59-0x0000000000400000-0x0000000000765000-memory.dmpFilesize
3.4MB
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memory/4496-65-0x0000000000400000-0x0000000000765000-memory.dmpFilesize
3.4MB
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memory/4496-64-0x0000000000400000-0x0000000000765000-memory.dmpFilesize
3.4MB
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memory/4496-60-0x0000000000400000-0x0000000000765000-memory.dmpFilesize
3.4MB
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memory/4864-69-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4864-1-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4864-3-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB