Analysis Overview
SHA256
a7a7a60fa640fc9a4dbdbac52b68a1774bb159b99c179df650c9f41fd4d20a6a
Threat Level: Known bad
The file 8fe9ec621008b29e7c47a4a2fc492d28.exe was found to be: Known bad.
Malicious Activity Summary
Detect Socks5Systemz Payload
Socks5Systemz
Loads dropped DLL
Executes dropped EXE
Unexpected DNS network traffic destination
Checks installed software on the system
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-23 09:36
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-23 09:36
Reported
2024-03-23 09:38
Platform
win7-20240221-en
Max time kernel
145s
Max time network
133s
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-328OB.tmp\8fe9ec621008b29e7c47a4a2fc492d28.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 | 152.89.198.214 | 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\8fe9ec621008b29e7c47a4a2fc492d28.exe
"C:\Users\Admin\AppData\Local\Temp\8fe9ec621008b29e7c47a4a2fc492d28.exe"
C:\Users\Admin\AppData\Local\Temp\is-328OB.tmp\8fe9ec621008b29e7c47a4a2fc492d28.tmp
"C:\Users\Admin\AppData\Local\Temp\is-328OB.tmp\8fe9ec621008b29e7c47a4a2fc492d28.tmp" /SL5="$70126,1717621,54272,C:\Users\Admin\AppData\Local\Temp\8fe9ec621008b29e7c47a4a2fc492d28.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 |
| RU | 152.89.198.214:53 | dtbydpd.info | udp |
| MD | 45.142.214.240:80 | dtbydpd.info | tcp |
Files
memory/2172-1-0x0000000000400000-0x0000000000414000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-328OB.tmp\8fe9ec621008b29e7c47a4a2fc492d28.tmp
| MD5 | 88d7ea648defbc2597fa38ef83112eda |
| SHA1 | 2bce9acfb1b5e08dc29c695eff12fc80949c6440 |
| SHA256 | 5a53b8bd78b1bbf24136b4d8d8191f503abcc24934626ed6f15bf9f6dee17b68 |
| SHA512 | 050ce971e1f7a4e92d272c9c3c9f96f1214286523b018a75084c76dbebb5f32a717afbd9af9c68b7ad71f738c0a331640a8fe765cb4def90678eae4769b2e66a |
memory/1116-8-0x00000000001D0000-0x00000000001D1000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-D5H2U.tmp\_isetup\_shfoldr.dll
| MD5 | 92dc6ef532fbb4a5c3201469a5b5eb63 |
| SHA1 | 3e89ff837147c16b4e41c30d6c796374e0b8e62c |
| SHA256 | 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87 |
| SHA512 | 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3 |
\Users\Admin\AppData\Local\Temp\is-D5H2U.tmp\_isetup\_isdecmp.dll
| MD5 | b6f11a0ab7715f570f45900a1fe84732 |
| SHA1 | 77b1201e535445af5ea94c1b03c0a1c34d67a77b |
| SHA256 | e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67 |
| SHA512 | 78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771 |
\Users\Admin\AppData\Local\Temp\is-D5H2U.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe
| MD5 | a346672ab18ea3c0021f6b67c3685725 |
| SHA1 | 78a918ec1c41a78a2b4ae67991915f381c3c0e67 |
| SHA256 | e44e9596738ce606f29eee9159dbce58838ddd32f496a29626a497776f51917b |
| SHA512 | 6505b5128b574610d69cf0524cd2a6455514547601c51e207dc80900976ca211a657b218f78ca10aeade6305dceaabb024dc55f510bb0f084fdaf3189e1be9ea |
memory/1116-45-0x0000000003A10000-0x0000000003BE5000-memory.dmp
C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe
| MD5 | f782cc8d7fc86f98593827aa303629a1 |
| SHA1 | 70b5f4a95c5af6c32c821f954f0d73112ce0315b |
| SHA256 | 2595cec4a4386043acc5e658726c68aa82a076057f2a7eb87db53243d4c7062e |
| SHA512 | 41eb04c69cfe003e6c9ad6488136cd03085326248c3275a3db4d4d64b489cfc43e4edb09b5f9d4443df56c512cd9936854c2be7304b3e8aa5c4230a08e1c1775 |
memory/2236-47-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2236-48-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2236-49-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2236-52-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2692-54-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2692-56-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2172-57-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1116-58-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/2692-59-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/1116-60-0x00000000001D0000-0x00000000001D1000-memory.dmp
memory/1116-61-0x0000000003A10000-0x0000000003BE5000-memory.dmp
memory/2692-64-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2692-66-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2692-68-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2692-71-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2692-74-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2692-77-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2692-79-0x00000000025C0000-0x0000000002662000-memory.dmp
memory/2692-78-0x00000000025C0000-0x0000000002662000-memory.dmp
memory/2692-85-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2692-88-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2692-91-0x00000000025C0000-0x0000000002662000-memory.dmp
memory/2692-92-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2692-95-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2692-98-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2692-101-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2692-105-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/2692-108-0x0000000000400000-0x00000000005D5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-23 09:36
Reported
2024-03-23 09:38
Platform
win10v2004-20240226-en
Max time kernel
148s
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 |
| 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-2SFG5.tmp\8fe9ec621008b29e7c47a4a2fc492d28.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
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-2SFG5.tmp\8fe9ec621008b29e7c47a4a2fc492d28.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-2SFG5.tmp\8fe9ec621008b29e7c47a4a2fc492d28.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-2SFG5.tmp\8fe9ec621008b29e7c47a4a2fc492d28.tmp | N/A |
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 152.89.198.214 | 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\8fe9ec621008b29e7c47a4a2fc492d28.exe
"C:\Users\Admin\AppData\Local\Temp\8fe9ec621008b29e7c47a4a2fc492d28.exe"
C:\Users\Admin\AppData\Local\Temp\is-2SFG5.tmp\8fe9ec621008b29e7c47a4a2fc492d28.tmp
"C:\Users\Admin\AppData\Local\Temp\is-2SFG5.tmp\8fe9ec621008b29e7c47a4a2fc492d28.tmp" /SL5="$A0058,1717621,54272,C:\Users\Admin\AppData\Local\Temp\8fe9ec621008b29e7c47a4a2fc492d28.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 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.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 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.36.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| NL | 52.111.243.29:443 | tcp | |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.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 |
| RU | 152.89.198.214:53 | ceztdio.net | udp |
| MD | 45.142.214.240:80 | ceztdio.net | tcp |
| US | 8.8.8.8:53 | 214.198.89.152.in-addr.arpa | udp |
| FR | 62.210.204.81:2023 | tcp | |
| US | 8.8.8.8:53 | 81.204.210.62.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.214.142.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.173.189.20.in-addr.arpa | udp |
Files
memory/3472-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3472-2-0x0000000000400000-0x0000000000414000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-2SFG5.tmp\8fe9ec621008b29e7c47a4a2fc492d28.tmp
| MD5 | 88d7ea648defbc2597fa38ef83112eda |
| SHA1 | 2bce9acfb1b5e08dc29c695eff12fc80949c6440 |
| SHA256 | 5a53b8bd78b1bbf24136b4d8d8191f503abcc24934626ed6f15bf9f6dee17b68 |
| SHA512 | 050ce971e1f7a4e92d272c9c3c9f96f1214286523b018a75084c76dbebb5f32a717afbd9af9c68b7ad71f738c0a331640a8fe765cb4def90678eae4769b2e66a |
memory/3336-7-0x0000000000660000-0x0000000000661000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-ERO37.tmp\_isetup\_isdecmp.dll
| MD5 | b6f11a0ab7715f570f45900a1fe84732 |
| SHA1 | 77b1201e535445af5ea94c1b03c0a1c34d67a77b |
| SHA256 | e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67 |
| SHA512 | 78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771 |
C:\Users\Admin\AppData\Local\Temp\is-ERO37.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe
| MD5 | f782cc8d7fc86f98593827aa303629a1 |
| SHA1 | 70b5f4a95c5af6c32c821f954f0d73112ce0315b |
| SHA256 | 2595cec4a4386043acc5e658726c68aa82a076057f2a7eb87db53243d4c7062e |
| SHA512 | 41eb04c69cfe003e6c9ad6488136cd03085326248c3275a3db4d4d64b489cfc43e4edb09b5f9d4443df56c512cd9936854c2be7304b3e8aa5c4230a08e1c1775 |
memory/3320-44-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3320-45-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3320-49-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3320-48-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4888-52-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3472-53-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3336-54-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/4888-55-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3336-56-0x0000000000660000-0x0000000000661000-memory.dmp
memory/4888-59-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4888-60-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4888-63-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4888-66-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4888-69-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4888-71-0x0000000000870000-0x0000000000912000-memory.dmp
memory/4888-74-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4888-75-0x0000000000870000-0x0000000000912000-memory.dmp
memory/4888-80-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4888-83-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4888-84-0x0000000000870000-0x0000000000912000-memory.dmp
memory/4888-87-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4888-90-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4888-93-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4888-96-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4888-97-0x0000000000870000-0x0000000000912000-memory.dmp
memory/4888-98-0x0000000000870000-0x0000000000912000-memory.dmp
memory/4888-102-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/4888-105-0x0000000000400000-0x00000000005D5000-memory.dmp