Analysis Overview
SHA256
76db9e74e9f0384c822b933a464cbc1f63b4c9a0a0b064774f09d8ee946d800c
Threat Level: Known bad
The file as_driver.exe was found to be: Known bad.
Malicious Activity Summary
Mars Stealer
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Enumerates physical storage devices
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-22 16:32
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-22 16:32
Reported
2023-12-22 16:33
Platform
win7-20231215-en
Max time kernel
19s
Max time network
24s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Adobe\QP.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\as_driver.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\as_driver.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Reads user/profile data of web browsers
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Roaming\Adobe\QP.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\as_driver.exe
"C:\Users\Admin\AppData\Local\Temp\as_driver.exe"
C:\Users\Admin\AppData\Roaming\Adobe\QP.exe
"C:\Users\Admin\AppData\Roaming\Adobe\QP.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 812
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.moscow-post.su | udp |
| RU | 185.71.67.60:80 | www.moscow-post.su | tcp |
Files
memory/2428-1-0x0000000074BC0000-0x00000000752AE000-memory.dmp
memory/2428-0-0x00000000003C0000-0x0000000000432000-memory.dmp
\Users\Admin\AppData\Roaming\Adobe\QP.exe
| MD5 | b2f88f3f2477cb248a2bbdba8fd408b0 |
| SHA1 | 94a7311b4d847f399da8785df3a1e157367f217e |
| SHA256 | c6bb4119d28387ba96d8f721a5134cca03c623e9f514769e4cf6b5f7c3f2291d |
| SHA512 | a0bd24bcaf6b41a28ba817aa42a7c9a92c6274112133494d4e2ac1422e0a556c8f8b7376273ffb152a610fe55b4b6b42e91b222d61572b02db6b0a72aaec9f05 |
C:\Users\Admin\AppData\Roaming\Adobe\QP.exe
| MD5 | 857e877260b629b84e79fdbf9bb40fd7 |
| SHA1 | f97f95b83c08994fb011754d6e58258f435d13a9 |
| SHA256 | 96f38f7816f991cac63353f2a1ed8a2a2fcd9a2d3670baa017dd2bbd132fea56 |
| SHA512 | 67e3df33bff27a9706cbe4178570e7b55d7e31bf712bbdcf0647792d1c16a8842d0cab463f54308369cf6a514a23aca1575568aa009250de12bd37baaea9c26a |
memory/2428-10-0x0000000001F40000-0x0000000001F7D000-memory.dmp
memory/2428-13-0x0000000074BC0000-0x00000000752AE000-memory.dmp
memory/2428-12-0x0000000001F40000-0x0000000001F7D000-memory.dmp
C:\Users\Admin\AppData\Roaming\Adobe\QP.exe
| MD5 | b1d6d66282771bdaee20f0295991140a |
| SHA1 | f65c534725a4aa947285ecbb2acf3f5083803152 |
| SHA256 | 9697901177242e9a450aae820687ddbbd13196b5876ec77cdcb663cfbadb0053 |
| SHA512 | af0bd80c0fdb1c336268c1bcdb8b0a05a588a1ded511669f6974b10e19752bed5305fda870a9a1e61be30db14228194f84ec8da74e9836eec3506d0629fe0900 |
\Users\Admin\AppData\Roaming\Adobe\QP.exe
| MD5 | 1c0e585e9e7a20be439b92ae66d8a9c7 |
| SHA1 | ee55776ba1d8bae625abc2728b1ed4e443631050 |
| SHA256 | 059ab835820a1a952e9c8e5a8148dc64fc6607f3a8952eb91fb15fddd10357fb |
| SHA512 | 3f368e84e900ee77916e176c66bdc2fc82f3571e8578c5b9c14b811fc9769cf07d28708d04f22c02c4e18e538257f873bd01bd64b3cef2606bd211466282f59c |
\Users\Admin\AppData\Roaming\Adobe\QP.exe
| MD5 | 98f9230dc65e24709fd2c52b602bec1e |
| SHA1 | 5b609c31c1e46a4a5c24a9afbca933f08fd547ed |
| SHA256 | 72dbf70c6eb90d25a26c77bab8f79db96dcc4158722f7a1f042a8c207bf97b52 |
| SHA512 | ba2f10e1664b4847ab393c13b79807ce2e0c83442a000a1f96da6dc76b62932cb32135abf737c076e6df228514b9b7324e51e83ae142312c1d3e3dcb8f0fc982 |
\Users\Admin\AppData\Roaming\Adobe\QP.exe
| MD5 | 75e84dc211242babc2dae7824c059ca6 |
| SHA1 | 5af39e45091002a28cff741395d67167d0c63706 |
| SHA256 | d1de2a22467266958a1f5523db2dc3401289162ff29af0cecf76152634698078 |
| SHA512 | 1fa6980fb0884822f02eca23db038f3d98ffb201b3011b55e20be327acbb7b16abd957407880fce57ba0d4a23a67651384ee20f3d61c2e278ae9e5e45539bd6f |
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-22 16:32
Reported
2023-12-22 16:35
Platform
win10v2004-20231215-en
Max time kernel
150s
Max time network
157s
Command Line
Signatures
Mars Stealer
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\as_driver.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Packages\304YBDS.exe | N/A |
Reads user/profile data of web browsers
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\ProgramData\Packages\304YBDS.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1968 wrote to memory of 776 | N/A | C:\Users\Admin\AppData\Local\Temp\as_driver.exe | C:\ProgramData\Packages\304YBDS.exe |
| PID 1968 wrote to memory of 776 | N/A | C:\Users\Admin\AppData\Local\Temp\as_driver.exe | C:\ProgramData\Packages\304YBDS.exe |
| PID 1968 wrote to memory of 776 | N/A | C:\Users\Admin\AppData\Local\Temp\as_driver.exe | C:\ProgramData\Packages\304YBDS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\as_driver.exe
"C:\Users\Admin\AppData\Local\Temp\as_driver.exe"
C:\ProgramData\Packages\304YBDS.exe
"C:\ProgramData\Packages\304YBDS.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 776 -ip 776
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 776 -s 1352
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 1.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.moscow-post.su | udp |
| RU | 185.71.67.60:80 | www.moscow-post.su | tcp |
| US | 8.8.8.8:53 | 60.67.71.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.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 |
| US | 8.8.8.8:53 | 209.143.182.52.in-addr.arpa | udp |
Files
memory/1968-0-0x0000000074AC0000-0x0000000075270000-memory.dmp
memory/1968-1-0x00000000005B0000-0x0000000000622000-memory.dmp
C:\ProgramData\Packages\304YBDS.exe
| MD5 | b1d6d66282771bdaee20f0295991140a |
| SHA1 | f65c534725a4aa947285ecbb2acf3f5083803152 |
| SHA256 | 9697901177242e9a450aae820687ddbbd13196b5876ec77cdcb663cfbadb0053 |
| SHA512 | af0bd80c0fdb1c336268c1bcdb8b0a05a588a1ded511669f6974b10e19752bed5305fda870a9a1e61be30db14228194f84ec8da74e9836eec3506d0629fe0900 |
memory/776-10-0x0000000000400000-0x000000000043D000-memory.dmp
memory/1968-12-0x0000000074AC0000-0x0000000075270000-memory.dmp
memory/776-14-0x0000000000400000-0x000000000043D000-memory.dmp