Analysis Overview
SHA256
b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e
Threat Level: Known bad
The file b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e 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 WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-23 09:39
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-23 09:39
Reported
2024-03-23 09:42
Platform
win10v2004-20240226-en
Max time kernel
147s
Max time network
155s
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-E83K4.tmp\b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e.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\b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e.exe
"C:\Users\Admin\AppData\Local\Temp\b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e.exe"
C:\Users\Admin\AppData\Local\Temp\is-E83K4.tmp\b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e.tmp
"C:\Users\Admin\AppData\Local\Temp\is-E83K4.tmp\b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e.tmp" /SL5="$B0050,1722205,54272,C:\Users\Admin\AppData\Local\Temp\b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e.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 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.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 | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| RU | 152.89.198.214:53 | aixkcbe.ru | udp |
| MD | 45.142.214.240:80 | aixkcbe.ru | tcp |
| US | 8.8.8.8:53 | 214.198.89.152.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.214.142.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.141.79.40.in-addr.arpa | udp |
Files
memory/5060-0-0x0000000000400000-0x0000000000414000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-E83K4.tmp\b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e.tmp
| MD5 | 88d7ea648defbc2597fa38ef83112eda |
| SHA1 | 2bce9acfb1b5e08dc29c695eff12fc80949c6440 |
| SHA256 | 5a53b8bd78b1bbf24136b4d8d8191f503abcc24934626ed6f15bf9f6dee17b68 |
| SHA512 | 050ce971e1f7a4e92d272c9c3c9f96f1214286523b018a75084c76dbebb5f32a717afbd9af9c68b7ad71f738c0a331640a8fe765cb4def90678eae4769b2e66a |
memory/944-6-0x0000000002340000-0x0000000002341000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-7LSAH.tmp\_isetup\_isdecmp.dll
| MD5 | b6f11a0ab7715f570f45900a1fe84732 |
| SHA1 | 77b1201e535445af5ea94c1b03c0a1c34d67a77b |
| SHA256 | e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67 |
| SHA512 | 78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771 |
C:\Users\Admin\AppData\Local\Temp\is-7LSAH.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe
| MD5 | e1377c17e6c6bf04ead10fc76a847e2a |
| SHA1 | 1963ab0f5faca44637fd0fe8b1041c763bceebb1 |
| SHA256 | a52e5779bec20092f903389069e5ba5c6060987e255b203b6b0d9d5ac791296b |
| SHA512 | 9bc7d2fac768d4472b0629ae6ed308663b9902a486a9022f1f3a6c4bc09793c639a8e51968baf07d835592e156adbecee6bd705b1289dd0885c1665c761d8808 |
memory/3848-43-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/3848-44-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/3848-48-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/3848-45-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1192-51-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/5060-52-0x0000000000400000-0x0000000000414000-memory.dmp
memory/944-53-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/1192-54-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/944-55-0x0000000002340000-0x0000000002341000-memory.dmp
memory/1192-58-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1192-59-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1192-62-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1192-65-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1192-68-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1192-71-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1192-73-0x0000000000830000-0x00000000008D2000-memory.dmp
memory/1192-72-0x0000000000830000-0x00000000008D2000-memory.dmp
memory/1192-79-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1192-82-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1192-83-0x0000000000830000-0x00000000008D2000-memory.dmp
memory/1192-86-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1192-89-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1192-92-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1192-95-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1192-99-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1192-102-0x0000000000400000-0x00000000005D4000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-23 09:39
Reported
2024-03-23 09:42
Platform
win11-20240221-en
Max time kernel
147s
Max time network
150s
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-49V0U.tmp\b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e.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\b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e.exe
"C:\Users\Admin\AppData\Local\Temp\b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e.exe"
C:\Users\Admin\AppData\Local\Temp\is-49V0U.tmp\b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e.tmp
"C:\Users\Admin\AppData\Local\Temp\is-49V0U.tmp\b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e.tmp" /SL5="$5016C,1722205,54272,C:\Users\Admin\AppData\Local\Temp\b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e.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 | bogilpz.com | udp |
| MD | 45.142.214.240:80 | bogilpz.com | tcp |
| US | 8.8.8.8:53 | 240.214.142.45.in-addr.arpa | udp |
Files
memory/3184-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3184-2-0x0000000000400000-0x0000000000414000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-49V0U.tmp\b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e.tmp
| MD5 | 88d7ea648defbc2597fa38ef83112eda |
| SHA1 | 2bce9acfb1b5e08dc29c695eff12fc80949c6440 |
| SHA256 | 5a53b8bd78b1bbf24136b4d8d8191f503abcc24934626ed6f15bf9f6dee17b68 |
| SHA512 | 050ce971e1f7a4e92d272c9c3c9f96f1214286523b018a75084c76dbebb5f32a717afbd9af9c68b7ad71f738c0a331640a8fe765cb4def90678eae4769b2e66a |
memory/1036-7-0x0000000002300000-0x0000000002301000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-1QJ8B.tmp\_isetup\_isdecmp.dll
| MD5 | b6f11a0ab7715f570f45900a1fe84732 |
| SHA1 | 77b1201e535445af5ea94c1b03c0a1c34d67a77b |
| SHA256 | e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67 |
| SHA512 | 78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771 |
C:\Users\Admin\AppData\Local\Temp\is-1QJ8B.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe
| MD5 | 641d64ff0a6e490f7bcf563bbb4ed106 |
| SHA1 | 87cd1abc300a0e5f3f36fc548ec3b2e9726011ee |
| SHA256 | 5762582217d2c2696e11b4059a62c740f7a906bedc8b159d1897041f169a6541 |
| SHA512 | e3043b8923844fc1d839b6f93ebbfe9aaaf5c95a8cd284515cc63f5fe5291c802f3c7306642a6dcfd6f10f0c63240fc7dd74fc24b968493d5a964f494196e5bc |
memory/3384-44-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/3384-45-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/3384-48-0x0000000000400000-0x00000000005D4000-memory.dmp
C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe
| MD5 | e1377c17e6c6bf04ead10fc76a847e2a |
| SHA1 | 1963ab0f5faca44637fd0fe8b1041c763bceebb1 |
| SHA256 | a52e5779bec20092f903389069e5ba5c6060987e255b203b6b0d9d5ac791296b |
| SHA512 | 9bc7d2fac768d4472b0629ae6ed308663b9902a486a9022f1f3a6c4bc09793c639a8e51968baf07d835592e156adbecee6bd705b1289dd0885c1665c761d8808 |
memory/3384-49-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/4828-52-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/3184-53-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1036-54-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/4828-55-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1036-56-0x0000000002300000-0x0000000002301000-memory.dmp
memory/4828-59-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/4828-60-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/4828-63-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/4828-66-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/4828-69-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/4828-71-0x00000000009A0000-0x0000000000A42000-memory.dmp
memory/4828-73-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/4828-75-0x00000000009A0000-0x0000000000A42000-memory.dmp
memory/4828-80-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/4828-83-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/4828-84-0x00000000009A0000-0x0000000000A42000-memory.dmp
memory/4828-87-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/4828-90-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/4828-93-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/4828-96-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/4828-100-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/4828-103-0x0000000000400000-0x00000000005D4000-memory.dmp