Analysis Overview
SHA256
ac9c83755d42aa96f1654229b594fa401113a79222b9deef71a1d4f18a5e8fc1
Threat Level: Known bad
The file 4fbc079afc0e59a9b99ef86981fa5326.exe 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 WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-23 14:01
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-23 14:01
Reported
2024-03-23 14:03
Platform
win7-20240221-en
Max time kernel
148s
Max time network
138s
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 |
Socks5Systemz
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-7BJAI.tmp\4fbc079afc0e59a9b99ef86981fa5326.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4fbc079afc0e59a9b99ef86981fa5326.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-7BJAI.tmp\4fbc079afc0e59a9b99ef86981fa5326.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-7BJAI.tmp\4fbc079afc0e59a9b99ef86981fa5326.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-7BJAI.tmp\4fbc079afc0e59a9b99ef86981fa5326.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-7BJAI.tmp\4fbc079afc0e59a9b99ef86981fa5326.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 WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4fbc079afc0e59a9b99ef86981fa5326.exe
"C:\Users\Admin\AppData\Local\Temp\4fbc079afc0e59a9b99ef86981fa5326.exe"
C:\Users\Admin\AppData\Local\Temp\is-7BJAI.tmp\4fbc079afc0e59a9b99ef86981fa5326.tmp
"C:\Users\Admin\AppData\Local\Temp\is-7BJAI.tmp\4fbc079afc0e59a9b99ef86981fa5326.tmp" /SL5="$6014E,1781689,54272,C:\Users\Admin\AppData\Local\Temp\4fbc079afc0e59a9b99ef86981fa5326.exe"
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
Network
| Country | Destination | Domain | Proto |
| SE | 45.155.250.90:53 | bwsuikv.com | udp |
| MD | 45.142.214.240:80 | bwsuikv.com | tcp |
Files
memory/1500-1-0x0000000000400000-0x0000000000414000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-7BJAI.tmp\4fbc079afc0e59a9b99ef86981fa5326.tmp
| MD5 | d394fc26de69f06950dc1c71959b0261 |
| SHA1 | 7c9448fc3582f19763eaa8e3c5383b7873aee017 |
| SHA256 | 405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a |
| SHA512 | 63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10 |
\Users\Admin\AppData\Local\Temp\is-HJ3T5.tmp\_isetup\_shfoldr.dll
| MD5 | 92dc6ef532fbb4a5c3201469a5b5eb63 |
| SHA1 | 3e89ff837147c16b4e41c30d6c796374e0b8e62c |
| SHA256 | 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87 |
| SHA512 | 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3 |
memory/3004-12-0x0000000000240000-0x0000000000241000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-HJ3T5.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
| MD5 | a8f9420959ddb2ee550f7e21644357a7 |
| SHA1 | 4e429af917fe5e50b210c1aaa12e62a3e0c51d8f |
| SHA256 | c57954dfad4f4bc99ac2fdba834e684831d0e8f1e8fb2ccc14463090739b09e7 |
| SHA512 | d2890847e9f98a6f8a2ff1126c9c0917b17caa1c9a9d1bf59280588f4c9b1c09b92e1520c50d0eb8721bb6fe5ef235c56ea2c2bd9640423aa884d376f082d928 |
memory/3004-42-0x00000000033E0000-0x00000000035F1000-memory.dmp
memory/2644-44-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2644-45-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2644-46-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2644-49-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2424-52-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1500-53-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3004-54-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/2424-55-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3004-56-0x0000000000240000-0x0000000000241000-memory.dmp
memory/3004-57-0x00000000033E0000-0x00000000035F1000-memory.dmp
memory/2424-60-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2424-63-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2424-64-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2424-67-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2424-70-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2424-73-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2424-75-0x00000000025E0000-0x0000000002682000-memory.dmp
memory/2424-81-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2424-84-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2424-87-0x00000000025E0000-0x0000000002682000-memory.dmp
memory/2424-88-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2424-91-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2424-94-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2424-97-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2424-101-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2424-104-0x0000000000400000-0x0000000000611000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-23 14:01
Reported
2024-03-23 14:03
Platform
win10v2004-20240226-en
Max time kernel
141s
Max time network
144s
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 |
| 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-CCNB8.tmp\4fbc079afc0e59a9b99ef86981fa5326.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-CCNB8.tmp\4fbc079afc0e59a9b99ef86981fa5326.tmp | N/A |
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 91.211.247.248 | N/A | N/A |
Checks installed software on the system
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4fbc079afc0e59a9b99ef86981fa5326.exe
"C:\Users\Admin\AppData\Local\Temp\4fbc079afc0e59a9b99ef86981fa5326.exe"
C:\Users\Admin\AppData\Local\Temp\is-CCNB8.tmp\4fbc079afc0e59a9b99ef86981fa5326.tmp
"C:\Users\Admin\AppData\Local\Temp\is-CCNB8.tmp\4fbc079afc0e59a9b99ef86981fa5326.tmp" /SL5="$B0062,1781689,54272,C:\Users\Admin\AppData\Local\Temp\4fbc079afc0e59a9b99ef86981fa5326.exe"
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 179.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| LT | 91.211.247.248:53 | dlgjogd.info | udp |
| TR | 195.16.74.230:80 | dlgjogd.info | tcp |
| US | 8.8.8.8:53 | 248.247.211.91.in-addr.arpa | udp |
| NL | 193.222.96.219:2023 | tcp | |
| US | 8.8.8.8:53 | 230.74.16.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 219.96.222.193.in-addr.arpa | udp |
Files
memory/2368-0-0x0000000000400000-0x0000000000414000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-CCNB8.tmp\4fbc079afc0e59a9b99ef86981fa5326.tmp
| MD5 | d394fc26de69f06950dc1c71959b0261 |
| SHA1 | 7c9448fc3582f19763eaa8e3c5383b7873aee017 |
| SHA256 | 405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a |
| SHA512 | 63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10 |
memory/1156-6-0x0000000000760000-0x0000000000761000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-95NQF.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
| MD5 | 573a32c38529f9a45e6cf9bc57d53544 |
| SHA1 | cca17d4dcae9ac65ba025aeb6a5e8ed2fddeb0a8 |
| SHA256 | 061adb43b0356a0bf2ea0613342a86193af55c9e4e0faf2b37f428a86219b9fc |
| SHA512 | 32f989250af3a2f4d6752d61d1d0a88547f32c30a870b1176da5f10ef7e535d5c1b08af5865cc73f4cf48a9c88a59ea5ebb079952af5b6b002c94fd143796ad4 |
memory/3812-37-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3812-38-0x0000000000400000-0x0000000000611000-memory.dmp
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
| MD5 | a8f9420959ddb2ee550f7e21644357a7 |
| SHA1 | 4e429af917fe5e50b210c1aaa12e62a3e0c51d8f |
| SHA256 | c57954dfad4f4bc99ac2fdba834e684831d0e8f1e8fb2ccc14463090739b09e7 |
| SHA512 | d2890847e9f98a6f8a2ff1126c9c0917b17caa1c9a9d1bf59280588f4c9b1c09b92e1520c50d0eb8721bb6fe5ef235c56ea2c2bd9640423aa884d376f082d928 |
memory/3812-42-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4984-45-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2368-46-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1156-47-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/4984-48-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1156-49-0x0000000000760000-0x0000000000761000-memory.dmp
memory/4984-52-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4984-53-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4984-56-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4984-59-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4984-62-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4984-63-0x00000000008A0000-0x0000000000942000-memory.dmp
memory/4984-67-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4984-68-0x00000000008A0000-0x0000000000942000-memory.dmp
memory/4984-73-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4984-76-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4984-77-0x00000000008A0000-0x0000000000942000-memory.dmp
memory/4984-80-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4984-83-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4984-86-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4984-89-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4984-90-0x00000000008A0000-0x0000000000942000-memory.dmp
memory/4984-91-0x00000000008A0000-0x0000000000942000-memory.dmp
memory/4984-95-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4984-98-0x0000000000400000-0x0000000000611000-memory.dmp