Analysis Overview
SHA256
38b7d292b0107fce71891f0719164241775c43df69e40bd16662e42b7a03e355
Threat Level: Known bad
The file 38b7d292b0107fce71891f0719164241775c43df69e40bd16662e42b7a03e355 was found to be: Known bad.
Malicious Activity Summary
Detect Socks5Systemz Payload
Socks5Systemz
Executes dropped EXE
Loads dropped DLL
Unexpected DNS network traffic destination
Checks installed software on the system
Unsigned PE
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-24 22:17
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-24 22:17
Reported
2024-06-24 22:20
Platform
win10v2004-20240508-en
Max time kernel
142s
Max time network
136s
Command Line
Signatures
Detect Socks5Systemz Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| 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-F6DRH.tmp\38b7d292b0107fce71891f0719164241775c43df69e40bd16662e42b7a03e355.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Winypux\winypux32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Winypux\winypux32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-F6DRH.tmp\38b7d292b0107fce71891f0719164241775c43df69e40bd16662e42b7a03e355.tmp | N/A |
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-F6DRH.tmp\38b7d292b0107fce71891f0719164241775c43df69e40bd16662e42b7a03e355.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\38b7d292b0107fce71891f0719164241775c43df69e40bd16662e42b7a03e355.exe
"C:\Users\Admin\AppData\Local\Temp\38b7d292b0107fce71891f0719164241775c43df69e40bd16662e42b7a03e355.exe"
C:\Users\Admin\AppData\Local\Temp\is-F6DRH.tmp\38b7d292b0107fce71891f0719164241775c43df69e40bd16662e42b7a03e355.tmp
"C:\Users\Admin\AppData\Local\Temp\is-F6DRH.tmp\38b7d292b0107fce71891f0719164241775c43df69e40bd16662e42b7a03e355.tmp" /SL5="$80060,4722858,54272,C:\Users\Admin\AppData\Local\Temp\38b7d292b0107fce71891f0719164241775c43df69e40bd16662e42b7a03e355.exe"
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -s
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1424,i,6576818814118437872,11004518367271063231,262144 --variations-seed-version --mojo-platform-channel-handle=3948 /prefetch:8
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 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| SE | 45.155.250.90:53 | boifiyj.com | udp |
| TR | 94.156.8.80:80 | boifiyj.com | tcp |
| NL | 89.105.201.183:2023 | tcp | |
| US | 8.8.8.8:53 | 90.250.155.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 80.8.156.94.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.201.105.89.in-addr.arpa | udp |
Files
memory/540-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/540-3-0x00007FFEBB2B0000-0x00007FFEBB4A5000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-F6DRH.tmp\38b7d292b0107fce71891f0719164241775c43df69e40bd16662e42b7a03e355.tmp
| MD5 | 58a22210313f4658cd89a8b89fbe724d |
| SHA1 | 64564a394418bd0d993cc97c53250bfcee405365 |
| SHA256 | 710a06d600279fe3e2648eac534811fd8445b79714a7970eefb4bfe19b48e5c9 |
| SHA512 | a7c2c934cd9f99230600bd25078fc5997ac45bf08acdd9cdd3785d3eb0448dfc4fd6b2ae4ca609eb82922b49e4c33bfe88285bccc8de01202b13d1bc36dcebdf |
C:\Users\Admin\AppData\Local\Temp\is-6759B.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
memory/4504-16-0x00007FFEBB2B0000-0x00007FFEBB4A5000-memory.dmp
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
| MD5 | b6483e2c6a048b03a30a053127348311 |
| SHA1 | 97e7a48d992ce63c90a17b9637395e0bbbd1d177 |
| SHA256 | 85bca50c48d17d2ccb74e6a9624e02e5126091b75256a92f5c6194ed7d75acf5 |
| SHA512 | d8566c42def5e2924fc5cf7c4e4b2f2571e3fc9bb2831bfb12adbeb497e0ffa2f37dc78fc1425cfc9edbe0292dfd26170633c9504e42d25f6616486103a80c42 |
memory/1256-59-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/1256-60-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/1256-63-0x00007FFEBB2B0000-0x00007FFEBB4A5000-memory.dmp
memory/1256-65-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/3988-67-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/540-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4504-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3988-71-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4504-72-0x00007FFEBB2B0000-0x00007FFEBB4A5000-memory.dmp
memory/3988-75-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/3988-78-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/3988-81-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/3988-84-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/3988-87-0x0000000000900000-0x00000000009A2000-memory.dmp
memory/3988-89-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/3988-94-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/3988-97-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/3988-100-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/3988-103-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/3988-106-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/3988-109-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/3988-110-0x0000000000900000-0x00000000009A2000-memory.dmp
memory/3988-111-0x0000000000900000-0x00000000009A2000-memory.dmp
memory/3988-115-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/3988-118-0x0000000000400000-0x00000000006C8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-24 22:17
Reported
2024-06-24 22:20
Platform
win11-20240611-en
Max time kernel
142s
Max time network
130s
Command Line
Signatures
Detect Socks5Systemz Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| 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-J3G4B.tmp\38b7d292b0107fce71891f0719164241775c43df69e40bd16662e42b7a03e355.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Winypux\winypux32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Winypux\winypux32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-J3G4B.tmp\38b7d292b0107fce71891f0719164241775c43df69e40bd16662e42b7a03e355.tmp | N/A |
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-J3G4B.tmp\38b7d292b0107fce71891f0719164241775c43df69e40bd16662e42b7a03e355.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\38b7d292b0107fce71891f0719164241775c43df69e40bd16662e42b7a03e355.exe
"C:\Users\Admin\AppData\Local\Temp\38b7d292b0107fce71891f0719164241775c43df69e40bd16662e42b7a03e355.exe"
C:\Users\Admin\AppData\Local\Temp\is-J3G4B.tmp\38b7d292b0107fce71891f0719164241775c43df69e40bd16662e42b7a03e355.tmp
"C:\Users\Admin\AppData\Local\Temp\is-J3G4B.tmp\38b7d292b0107fce71891f0719164241775c43df69e40bd16662e42b7a03e355.tmp" /SL5="$70062,4722858,54272,C:\Users\Admin\AppData\Local\Temp\38b7d292b0107fce71891f0719164241775c43df69e40bd16662e42b7a03e355.exe"
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 20.189.173.27:443 | tcp | |
| HK | 141.98.234.31:53 | bmklimj.com | udp |
| TR | 94.156.8.80:80 | bmklimj.com | tcp |
| FR | 195.154.185.134:2023 | tcp | |
| US | 8.8.8.8:53 | 31.234.98.141.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.185.154.195.in-addr.arpa | udp |
Files
memory/3092-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3092-3-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-J3G4B.tmp\38b7d292b0107fce71891f0719164241775c43df69e40bd16662e42b7a03e355.tmp
| MD5 | 58a22210313f4658cd89a8b89fbe724d |
| SHA1 | 64564a394418bd0d993cc97c53250bfcee405365 |
| SHA256 | 710a06d600279fe3e2648eac534811fd8445b79714a7970eefb4bfe19b48e5c9 |
| SHA512 | a7c2c934cd9f99230600bd25078fc5997ac45bf08acdd9cdd3785d3eb0448dfc4fd6b2ae4ca609eb82922b49e4c33bfe88285bccc8de01202b13d1bc36dcebdf |
memory/4552-10-0x0000000000400000-0x00000000004BA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-HG0BU.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
| MD5 | b6483e2c6a048b03a30a053127348311 |
| SHA1 | 97e7a48d992ce63c90a17b9637395e0bbbd1d177 |
| SHA256 | 85bca50c48d17d2ccb74e6a9624e02e5126091b75256a92f5c6194ed7d75acf5 |
| SHA512 | d8566c42def5e2924fc5cf7c4e4b2f2571e3fc9bb2831bfb12adbeb497e0ffa2f37dc78fc1425cfc9edbe0292dfd26170633c9504e42d25f6616486103a80c42 |
memory/632-59-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/632-60-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/632-63-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/632-65-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4364-67-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4364-69-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/3092-70-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4552-71-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4364-72-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4364-75-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4364-76-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4364-79-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4364-82-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4364-85-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4364-88-0x0000000000AD0000-0x0000000000B72000-memory.dmp
memory/4364-91-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4364-96-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4364-99-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4364-102-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4364-105-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4364-108-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4364-111-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4364-112-0x0000000000AD0000-0x0000000000B72000-memory.dmp
memory/4364-113-0x0000000000AD0000-0x0000000000B72000-memory.dmp
memory/4364-117-0x0000000000400000-0x00000000006C8000-memory.dmp
memory/4364-120-0x0000000000400000-0x00000000006C8000-memory.dmp