Analysis
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max time kernel
142s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
07-05-2024 01:15
Static task
static1
Behavioral task
behavioral1
Sample
420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.exe
Resource
win10v2004-20240419-en
General
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Target
420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.exe
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Size
5.2MB
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MD5
253e324d58c3a337d3e4eb594debc611
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SHA1
462c847edc0d7b2f9a2a4bb352e31c09c6658521
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SHA256
420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365
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SHA512
152fa74ce37f89aa2710aaf45a19cfc330336ca0c6c5a5bc27a27719a5291099817995cdd044c620b724e430ede031fdc1c1bfa31a803f672cb92e8234b717d4
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SSDEEP
98304:+P6cR94aMSjhhZ2GVx+DUU4sSWUz5b3rHhmGfSkXHo8OKGUGBAUCWXadwU9XZUfL:+j6ahtJVwUMUdfHht9OKGjt0wUdm1X9
Malware Config
Extracted
socks5systemz
http://bwnpvio.com/search/?q=67e28dd83d0ef22d4407ad4d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978f371ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffa11c4eb939a3c
http://bwnpvio.com/search/?q=67e28dd83d0ef22d4407ad4d7c27d78406abdd88be4b12eab517aa5c96bd86ec90824d885a8bbc896c58e713bc90c91d36b5281fc235a925ed3e50d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee909a3fc9699611
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/3340-95-0x00000000007A0000-0x0000000000842000-memory.dmp family_socks5systemz behavioral2/memory/3340-120-0x00000000007A0000-0x0000000000842000-memory.dmp family_socks5systemz behavioral2/memory/3340-119-0x00000000007A0000-0x0000000000842000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Detects executables packed with VMProtect. 19 IoCs
resource yara_rule behavioral2/memory/1056-69-0x0000000000400000-0x00000000006B7000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1056-66-0x0000000000400000-0x00000000006B7000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1056-71-0x0000000000400000-0x00000000006B7000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3340-76-0x0000000000400000-0x00000000006B7000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3340-79-0x0000000000400000-0x00000000006B7000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3340-82-0x0000000000400000-0x00000000006B7000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3340-83-0x0000000000400000-0x00000000006B7000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3340-86-0x0000000000400000-0x00000000006B7000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3340-89-0x0000000000400000-0x00000000006B7000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3340-92-0x0000000000400000-0x00000000006B7000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3340-97-0x0000000000400000-0x00000000006B7000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3340-103-0x0000000000400000-0x00000000006B7000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3340-106-0x0000000000400000-0x00000000006B7000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3340-109-0x0000000000400000-0x00000000006B7000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3340-112-0x0000000000400000-0x00000000006B7000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3340-115-0x0000000000400000-0x00000000006B7000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3340-118-0x0000000000400000-0x00000000006B7000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3340-124-0x0000000000400000-0x00000000006B7000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3340-127-0x0000000000400000-0x00000000006B7000-memory.dmp INDICATOR_EXE_Packed_VMProtect -
Executes dropped EXE 3 IoCs
pid Process 2408 420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp 1056 tunejenimmusicconverter.exe 3340 tunejenimmusicconverter.exe -
Loads dropped DLL 3 IoCs
pid Process 2408 420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp 2408 420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp 2408 420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc 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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Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 224 wrote to memory of 2408 224 420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.exe 83 PID 224 wrote to memory of 2408 224 420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.exe 83 PID 224 wrote to memory of 2408 224 420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.exe 83 PID 2408 wrote to memory of 1056 2408 420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp 86 PID 2408 wrote to memory of 1056 2408 420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp 86 PID 2408 wrote to memory of 1056 2408 420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp 86 PID 2408 wrote to memory of 3340 2408 420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp 88 PID 2408 wrote to memory of 3340 2408 420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp 88 PID 2408 wrote to memory of 3340 2408 420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp 88
Processes
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C:\Users\Admin\AppData\Local\Temp\420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.exe"C:\Users\Admin\AppData\Local\Temp\420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:224 -
C:\Users\Admin\AppData\Local\Temp\is-4NK0O.tmp\420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp"C:\Users\Admin\AppData\Local\Temp\is-4NK0O.tmp\420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp" /SL5="$701DC,5237355,54272,C:\Users\Admin\AppData\Local\Temp\420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2408 -
C:\Users\Admin\AppData\Local\Tune Jenim Music Converter\tunejenimmusicconverter.exe"C:\Users\Admin\AppData\Local\Tune Jenim Music Converter\tunejenimmusicconverter.exe" -i3⤵
- Executes dropped EXE
PID:1056
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C:\Users\Admin\AppData\Local\Tune Jenim Music Converter\tunejenimmusicconverter.exe"C:\Users\Admin\AppData\Local\Tune Jenim Music Converter\tunejenimmusicconverter.exe" -s3⤵
- Executes dropped EXE
PID:3340
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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-4NK0O.tmp\420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp
Filesize695KB
MD5192d1bbcb8a9057a375c9dead4ea259e
SHA124b743484e1c8d6d88c4b5a9ab01e6e722d4344d
SHA256e39119fddd878b2c0652bc52a65ce8cfc21bde1fe7b4556948a5030446a3c86a
SHA512926daf8b618a2374e527735c67e0e233486bba236de5ac2d231b3427b841a97600b1b846df2c1749c988814a1e045099dbe26a1937a9d2291c9d5ef8746b0d44
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
32KB
MD5b6f11a0ab7715f570f45900a1fe84732
SHA177b1201e535445af5ea94c1b03c0a1c34d67a77b
SHA256e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67
SHA51278a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771
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Filesize
2.3MB
MD55afad5dd0bae7f01c2be79f9f168c9e8
SHA1553fe32e9cc002b3357c11de74478b85b04657bc
SHA2564c5c6debe9453f0343f163aa72b7049f3167bc08d3b2d549fcabc4ee6bfbafcd
SHA5123f78196965db2fa5f6a13fecd9d93abbbaafaa52a6b43e8bd957d3b1e52bc3930db2d72e79cd34315f56b9758ed37a5d6b122533351d90296abfe8ca7f62fb3f
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Filesize
2.7MB
MD5b09197c9294a53e5d6fcb4eab3a8e5d6
SHA1b55819aeaed90230b8de465ea3f8a30c23cb8079
SHA25608bc72989be9f1b6167d7990f049d687086822d78f57483301d553f812b9f946
SHA51219a7209cc05de7840416f41d018bdba3e64a347fc860c6fed063120a52685df52e122a1a173e25441cae719576b1b2781313175dcf8bafab8255abe957240fec