Analysis Overview
SHA256
17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d
Threat Level: Known bad
The file 17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d was found to be: Known bad.
Malicious Activity Summary
Socks5Systemz
Detect Socks5Systemz Payload
Executes dropped EXE
Loads dropped DLL
Unexpected DNS network traffic destination
Checks installed software on the system
Enumerates physical storage devices
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-30 21:20
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-30 21:20
Reported
2024-05-30 21:22
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
Detect Socks5Systemz Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Socks5Systemz
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-KJ04G.tmp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe | N/A |
Loads dropped DLL
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 45.155.250.90 | N/A | N/A |
Checks installed software on the system
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-KJ04G.tmp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.exe
"C:\Users\Admin\AppData\Local\Temp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.exe"
C:\Users\Admin\AppData\Local\Temp\is-KJ04G.tmp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.tmp
"C:\Users\Admin\AppData\Local\Temp\is-KJ04G.tmp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.tmp" /SL5="$401C8,5929882,54272,C:\Users\Admin\AppData\Local\Temp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.exe"
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 105.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| SE | 45.155.250.90:53 | dtjpdsq.info | udp |
| BG | 79.110.49.184:80 | dtjpdsq.info | tcp |
| US | 8.8.8.8:53 | 90.250.155.45.in-addr.arpa | udp |
| BG | 79.110.49.184:80 | dtjpdsq.info | tcp |
| BG | 79.110.49.184:80 | dtjpdsq.info | tcp |
| US | 8.8.8.8:53 | 171.117.168.52.in-addr.arpa | udp |
Files
memory/2284-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2284-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-KJ04G.tmp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.tmp
| MD5 | ef9105d68de970efad785e01b21e4e2b |
| SHA1 | 7fe8801a3e86814972da63a7a943bdc5e31d8888 |
| SHA256 | 381198ca0669ab760f6f9b84e39c39ab5e870f65d17d03ed0dc572a1c602364a |
| SHA512 | e388cbf32a4d833c0e4c6c1a129515b4d12eac5b333f2aec39e741d3a0da856c5923d47cf4d3083ad030f7f07b9214261b2b9119720920dd42929eeb617e779c |
memory/1828-10-0x0000000000400000-0x00000000004BA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-2A0NV.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\Temp\is-2A0NV.tmp\_isetup\_isdecmp.dll
| MD5 | b6f11a0ab7715f570f45900a1fe84732 |
| SHA1 | 77b1201e535445af5ea94c1b03c0a1c34d67a77b |
| SHA256 | e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67 |
| SHA512 | 78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771 |
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
| MD5 | 25dcec3daa5700760ae25bdda9220557 |
| SHA1 | c3975f08d89811f107e329010620a24e6b0c0a2b |
| SHA256 | 18f6bc5455a01c6df3059075c10939daa970225b4a3223ef45882101dc8b60b5 |
| SHA512 | fb4bcb2f76f94d0bd66aa5098defc20842173d2abc3892a903ad39fd6f8f52898b3becc1530448bcb2c50e5fad49368ec2bbfc8fcb3fdd41faedc71fcf301333 |
memory/3632-65-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3632-66-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3632-69-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3632-71-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3996-74-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/2284-75-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1828-76-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3996-77-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3996-80-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3996-83-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3996-86-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3996-89-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3996-92-0x0000000000A90000-0x0000000000B32000-memory.dmp
memory/3996-95-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3996-100-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3996-103-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3996-106-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3996-109-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3996-112-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3996-115-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3996-118-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3996-121-0x0000000000400000-0x00000000007A4000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-30 21:20
Reported
2024-05-30 21:22
Platform
win11-20240426-en
Max time kernel
149s
Max time network
153s
Command Line
Signatures
Detect Socks5Systemz Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Socks5Systemz
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-EP43D.tmp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe | N/A |
Loads dropped DLL
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 141.98.234.31 | N/A | N/A |
Checks installed software on the system
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-EP43D.tmp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.exe
"C:\Users\Admin\AppData\Local\Temp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.exe"
C:\Users\Admin\AppData\Local\Temp\is-EP43D.tmp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.tmp
"C:\Users\Admin\AppData\Local\Temp\is-EP43D.tmp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.tmp" /SL5="$50100,5929882,54272,C:\Users\Admin\AppData\Local\Temp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.exe"
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -s
Network
| Country | Destination | Domain | Proto |
| HK | 141.98.234.31:53 | buuvjur.com | udp |
| BG | 79.110.49.184:80 | buuvjur.com | tcp |
| US | 8.8.8.8:53 | 31.234.98.141.in-addr.arpa | udp |
| BG | 79.110.49.184:80 | buuvjur.com | tcp |
| BG | 79.110.49.184:80 | buuvjur.com | tcp |
Files
memory/924-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/924-3-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-EP43D.tmp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.tmp
| MD5 | ef9105d68de970efad785e01b21e4e2b |
| SHA1 | 7fe8801a3e86814972da63a7a943bdc5e31d8888 |
| SHA256 | 381198ca0669ab760f6f9b84e39c39ab5e870f65d17d03ed0dc572a1c602364a |
| SHA512 | e388cbf32a4d833c0e4c6c1a129515b4d12eac5b333f2aec39e741d3a0da856c5923d47cf4d3083ad030f7f07b9214261b2b9119720920dd42929eeb617e779c |
C:\Users\Admin\AppData\Local\Temp\is-RG0EK.tmp\_isetup\_isdecmp.dll
| MD5 | b6f11a0ab7715f570f45900a1fe84732 |
| SHA1 | 77b1201e535445af5ea94c1b03c0a1c34d67a77b |
| SHA256 | e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67 |
| SHA512 | 78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771 |
memory/1904-22-0x0000000000400000-0x00000000004BA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-RG0EK.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
| MD5 | 25dcec3daa5700760ae25bdda9220557 |
| SHA1 | c3975f08d89811f107e329010620a24e6b0c0a2b |
| SHA256 | 18f6bc5455a01c6df3059075c10939daa970225b4a3223ef45882101dc8b60b5 |
| SHA512 | fb4bcb2f76f94d0bd66aa5098defc20842173d2abc3892a903ad39fd6f8f52898b3becc1530448bcb2c50e5fad49368ec2bbfc8fcb3fdd41faedc71fcf301333 |
memory/4404-66-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4404-65-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4404-69-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-74-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4404-71-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/924-75-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1904-76-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3872-77-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-80-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-83-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-86-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-89-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-91-0x00000000029F0000-0x0000000002A92000-memory.dmp
memory/3872-94-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-99-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-102-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-105-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-108-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-111-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-114-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-117-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-120-0x0000000000400000-0x00000000007A4000-memory.dmp