Analysis Overview
SHA256
ae3a9c3dccfdb3a21f7dcc22140156c7ed3cbfe89bdd9146d1ec4c360b9926d2
Threat Level: Known bad
The file 0574b31aca7165d0a8ba6ed16e0c8224.bin was found to be: Known bad.
Malicious Activity Summary
Detect Socks5Systemz Payload
Socks5Systemz
Loads dropped DLL
Unexpected DNS network traffic destination
Executes dropped EXE
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
2024-03-25 01:01
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-25 01:01
Reported
2024-03-25 01:03
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
151s
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-8K0T7.tmp\41105bfdb5af989cd5d636fcb77ef49f97d25d525aa2bdc35d95e1b0a46e8b60.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.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 WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\41105bfdb5af989cd5d636fcb77ef49f97d25d525aa2bdc35d95e1b0a46e8b60.exe
"C:\Users\Admin\AppData\Local\Temp\41105bfdb5af989cd5d636fcb77ef49f97d25d525aa2bdc35d95e1b0a46e8b60.exe"
C:\Users\Admin\AppData\Local\Temp\is-8K0T7.tmp\41105bfdb5af989cd5d636fcb77ef49f97d25d525aa2bdc35d95e1b0a46e8b60.tmp
"C:\Users\Admin\AppData\Local\Temp\is-8K0T7.tmp\41105bfdb5af989cd5d636fcb77ef49f97d25d525aa2bdc35d95e1b0a46e8b60.tmp" /SL5="$401CC,1711334,54272,C:\Users\Admin\AppData\Local\Temp\41105bfdb5af989cd5d636fcb77ef49f97d25d525aa2bdc35d95e1b0a46e8b60.exe"
C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe
"C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe" -i
C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe
"C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| HK | 141.98.234.31:53 | bxdbmob.com | udp |
| US | 8.8.8.8:53 | 31.234.98.141.in-addr.arpa | udp |
| MD | 45.142.214.240:80 | bxdbmob.com | tcp |
| US | 8.8.8.8:53 | 240.214.142.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 185.13.222.173.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 204.201.50.20.in-addr.arpa | udp |
Files
memory/4064-0-0x0000000000400000-0x0000000000414000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-8K0T7.tmp\41105bfdb5af989cd5d636fcb77ef49f97d25d525aa2bdc35d95e1b0a46e8b60.tmp
| MD5 | 88d7ea648defbc2597fa38ef83112eda |
| SHA1 | 2bce9acfb1b5e08dc29c695eff12fc80949c6440 |
| SHA256 | 5a53b8bd78b1bbf24136b4d8d8191f503abcc24934626ed6f15bf9f6dee17b68 |
| SHA512 | 050ce971e1f7a4e92d272c9c3c9f96f1214286523b018a75084c76dbebb5f32a717afbd9af9c68b7ad71f738c0a331640a8fe765cb4def90678eae4769b2e66a |
memory/1964-6-0x0000000000660000-0x0000000000661000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-5D1CE.tmp\_isetup\_isdecmp.dll
| MD5 | b6f11a0ab7715f570f45900a1fe84732 |
| SHA1 | 77b1201e535445af5ea94c1b03c0a1c34d67a77b |
| SHA256 | e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67 |
| SHA512 | 78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771 |
C:\Users\Admin\AppData\Local\Temp\is-5D1CE.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe
| MD5 | 8ade5b51df65ef913b39092d7c4d72a9 |
| SHA1 | 74437251d55eca86819232a1e221b4a8495263e8 |
| SHA256 | 75127b731d22745d3fd9335f9e8e589440e6a3ea4ce325252fc45154cf74a000 |
| SHA512 | 436517193959dd01b678b8feed889f6d557551f2d67368f1f81e040bf67bb7a46d7c750d3cac942566c14b812bf59267d889481c3f0b1081dfeb6dbed2d0e149 |
memory/212-43-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/212-44-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/212-45-0x0000000000400000-0x00000000005D5000-memory.dmp
C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe
| MD5 | 7906d20d4bb910e4b6bd5bf180a9c7d7 |
| SHA1 | 6df5e9b6319a3f3e93f89901a8f3eca64151a598 |
| SHA256 | f2025864c0354c23db2e490a7838505c60395290e9ea8b7ba489734da8166426 |
| SHA512 | 49a64c4c9ca8944fc192550c236298520b401ad53d33cbe28e5f4aaccf2610665b5a458c1faca5cbff476bf709b1cddea9a2d3becdf187e8f29afa9ce751164b |
memory/212-48-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4476-51-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4064-52-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1964-53-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/4476-54-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/1964-55-0x0000000000660000-0x0000000000661000-memory.dmp
memory/4476-58-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4476-59-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4476-62-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4476-65-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4476-68-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4476-70-0x00000000007E0000-0x0000000000882000-memory.dmp
memory/4476-73-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4476-74-0x00000000007E0000-0x0000000000882000-memory.dmp
memory/4476-79-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4476-82-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4476-83-0x00000000007E0000-0x0000000000882000-memory.dmp
memory/4476-86-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4476-89-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4476-92-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4476-95-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4476-99-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4476-102-0x0000000000400000-0x00000000005D5000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-25 01:01
Reported
2024-03-25 01:03
Platform
win7-20240220-en
Max time kernel
143s
Max time network
127s
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-HCMNC.tmp\41105bfdb5af989cd5d636fcb77ef49f97d25d525aa2bdc35d95e1b0a46e8b60.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.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 WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\41105bfdb5af989cd5d636fcb77ef49f97d25d525aa2bdc35d95e1b0a46e8b60.exe
"C:\Users\Admin\AppData\Local\Temp\41105bfdb5af989cd5d636fcb77ef49f97d25d525aa2bdc35d95e1b0a46e8b60.exe"
C:\Users\Admin\AppData\Local\Temp\is-HCMNC.tmp\41105bfdb5af989cd5d636fcb77ef49f97d25d525aa2bdc35d95e1b0a46e8b60.tmp
"C:\Users\Admin\AppData\Local\Temp\is-HCMNC.tmp\41105bfdb5af989cd5d636fcb77ef49f97d25d525aa2bdc35d95e1b0a46e8b60.tmp" /SL5="$30144,1711334,54272,C:\Users\Admin\AppData\Local\Temp\41105bfdb5af989cd5d636fcb77ef49f97d25d525aa2bdc35d95e1b0a46e8b60.exe"
C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe
"C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe" -i
C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe
"C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe" -s
Network
| Country | Destination | Domain | Proto |
| HK | 141.98.234.31:53 | bpmmtyo.com | udp |
| MD | 45.142.214.240:80 | bpmmtyo.com | tcp |
Files
memory/2192-1-0x0000000000400000-0x0000000000414000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-HCMNC.tmp\41105bfdb5af989cd5d636fcb77ef49f97d25d525aa2bdc35d95e1b0a46e8b60.tmp
| MD5 | 88d7ea648defbc2597fa38ef83112eda |
| SHA1 | 2bce9acfb1b5e08dc29c695eff12fc80949c6440 |
| SHA256 | 5a53b8bd78b1bbf24136b4d8d8191f503abcc24934626ed6f15bf9f6dee17b68 |
| SHA512 | 050ce971e1f7a4e92d272c9c3c9f96f1214286523b018a75084c76dbebb5f32a717afbd9af9c68b7ad71f738c0a331640a8fe765cb4def90678eae4769b2e66a |
memory/836-8-0x00000000003C0000-0x00000000003C1000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-UR6QP.tmp\_isetup\_shfoldr.dll
| MD5 | 92dc6ef532fbb4a5c3201469a5b5eb63 |
| SHA1 | 3e89ff837147c16b4e41c30d6c796374e0b8e62c |
| SHA256 | 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87 |
| SHA512 | 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3 |
\Users\Admin\AppData\Local\Temp\is-UR6QP.tmp\_isetup\_isdecmp.dll
| MD5 | b6f11a0ab7715f570f45900a1fe84732 |
| SHA1 | 77b1201e535445af5ea94c1b03c0a1c34d67a77b |
| SHA256 | e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67 |
| SHA512 | 78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771 |
\Users\Admin\AppData\Local\Temp\is-UR6QP.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe
| MD5 | 8ade5b51df65ef913b39092d7c4d72a9 |
| SHA1 | 74437251d55eca86819232a1e221b4a8495263e8 |
| SHA256 | 75127b731d22745d3fd9335f9e8e589440e6a3ea4ce325252fc45154cf74a000 |
| SHA512 | 436517193959dd01b678b8feed889f6d557551f2d67368f1f81e040bf67bb7a46d7c750d3cac942566c14b812bf59267d889481c3f0b1081dfeb6dbed2d0e149 |
memory/836-45-0x0000000003690000-0x0000000003865000-memory.dmp
memory/2544-47-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2544-48-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2544-49-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2544-52-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2412-54-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2412-56-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2192-57-0x0000000000400000-0x0000000000414000-memory.dmp
memory/836-58-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/2412-59-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/836-60-0x00000000003C0000-0x00000000003C1000-memory.dmp
memory/836-61-0x0000000003690000-0x0000000003865000-memory.dmp
memory/2412-64-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2412-65-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2412-68-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2412-71-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2412-74-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2412-77-0x0000000002600000-0x00000000026A2000-memory.dmp
memory/2412-78-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2412-80-0x0000000002600000-0x00000000026A2000-memory.dmp
memory/2412-85-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2412-88-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2412-89-0x0000000002600000-0x00000000026A2000-memory.dmp
memory/2412-92-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2412-95-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2412-98-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2412-101-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2412-105-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2412-108-0x0000000000400000-0x00000000005D5000-memory.dmp