Analysis Overview
SHA256
777ee8728510bc40496d40fff073848081d19135c4ae88210e4a1d8c3196a007
Threat Level: Known bad
The file 818455c49d4f7d1ac72755eab5482b20N.exe was found to be: Known bad.
Malicious Activity Summary
MetamorpherRAT
Executes dropped EXE
Loads dropped DLL
Uses the VBS compiler for execution
Checks computer location settings
Deletes itself
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-07-19 10:07
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-19 10:07
Reported
2024-07-19 10:09
Platform
win7-20240705-en
Max time kernel
32s
Max time network
36s
Command Line
Signatures
MetamorpherRAT
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmpBA79.tmp.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\818455c49d4f7d1ac72755eab5482b20N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\818455c49d4f7d1ac72755eab5482b20N.exe | N/A |
Uses the VBS compiler for execution
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\"" | C:\Users\Admin\AppData\Local\Temp\tmpBA79.tmp.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\818455c49d4f7d1ac72755eab5482b20N.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\tmpBA79.tmp.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\818455c49d4f7d1ac72755eab5482b20N.exe
"C:\Users\Admin\AppData\Local\Temp\818455c49d4f7d1ac72755eab5482b20N.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\gycjxmlv.cmdline"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESBB45.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcBB44.tmp"
C:\Users\Admin\AppData\Local\Temp\tmpBA79.tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmpBA79.tmp.exe" C:\Users\Admin\AppData\Local\Temp\818455c49d4f7d1ac72755eab5482b20N.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | bejnz.com | udp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 8.8.8.8:53 | t5tmike.no-ip.info | udp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
Files
memory/1660-0-0x0000000074501000-0x0000000074502000-memory.dmp
memory/1660-1-0x0000000074500000-0x0000000074AAB000-memory.dmp
memory/1660-2-0x0000000074500000-0x0000000074AAB000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\gycjxmlv.cmdline
| MD5 | c21b3f309fb822bf77657ad1a0a29964 |
| SHA1 | 37477acff8eb006668a126fc6cfe05ffd6a62dcf |
| SHA256 | d82afaf8ed880d4d61724c8b29591533b7d7d6ddbf82bde1e644950f2d70e609 |
| SHA512 | 7fd023f99ad54429247e2b57357bdbcb6c3510cdb6a88d3c21e12d5a72278340156a1baff92ec1c7e82407a7de50e0fb8d8ca3d21be878edf7f6a95c7e40fbee |
memory/2972-8-0x0000000074500000-0x0000000074AAB000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\gycjxmlv.0.vb
| MD5 | a52659b7319956b906f5bf581c50649b |
| SHA1 | db14dd0a8e92e5f4ab1fd67d296e2ca569f178c1 |
| SHA256 | 7594947f13dcb6178fe0bee6ed20f60f48e412ff4447db8f6f1eddc962d69431 |
| SHA512 | 5df43ae0ae78ba1ffa19b981662c5b79402d8f378a2e497ce1ae0c4ca48a364beecd2faeef283ea397a872524d55991a3617269800ce8643fb22a9191ff50fbd |
C:\Users\Admin\AppData\Local\Temp\zCom.resources
| MD5 | a26b0f78faa3881bb6307a944b096e91 |
| SHA1 | 42b01830723bf07d14f3086fa83c4f74f5649368 |
| SHA256 | b43ecda931e7af03f0768c905ed9fa82c03e41e566b1dff9960afc6b91ae5ab5 |
| SHA512 | a0e9c2814fca6bcf87e779592c005d7a8eef058a61f5a5443f7cf8d97e2316d0cde91ed51270bbcc23ccf68c7fc4a321a5a95a4eed75cb8d8a45cb3aa725fb9c |
C:\Users\Admin\AppData\Local\Temp\vbcBB44.tmp
| MD5 | ceccd025c8f66d733af7c74d959e40fc |
| SHA1 | ebfb86372ee69b6bb8ea588c99de8869ed7f5df8 |
| SHA256 | d4a18d99f2b681576ebc6e6cb5a8dc8568d4a56fa3212e58388a6b933f505819 |
| SHA512 | f59dc32d866ddbb4d338c6ee252648e5bc4ca2cb073f95fadd5ae1ca18f12e7f97cf9a698b81fbf7b62fc77eff2de22ed2e0500aef065ecc1da206bb7e3eb2bc |
C:\Users\Admin\AppData\Local\Temp\RESBB45.tmp
| MD5 | fc8a69990dbbae7111b84143df7c1f64 |
| SHA1 | cd227f611f9acb21dc91c00d16ae974de0ad3697 |
| SHA256 | 79d7b0845eb99367fd367379dcb22df594a563e07908f2c3ba4ce44d6ee16d74 |
| SHA512 | 1386622358d687ae025e92d001452700d52b74fb2319527593393df0da7c13627ac891996b4007b95efcffab1b6ae03d5bc3fc9e0940a41ea3f0463fce70e87e |
memory/2972-18-0x0000000074500000-0x0000000074AAB000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpBA79.tmp.exe
| MD5 | 6f2fbf5213721452e53d53605951b323 |
| SHA1 | 14b0d0ee0be59edde32b06f4bfd2e1808162eb52 |
| SHA256 | e64f526a2377a885390224853e8b275920554f6e260bf17bb7e757ab313ebc29 |
| SHA512 | 9bc3c2ffaafe7d4dd8610dc9e03956c57ccc00b57bf0908dfb2032cbbb7a4eaede411ba84946b66522411f272716d88f3437be87b65c701d41e5c8b90b43c373 |
memory/1660-24-0x0000000074500000-0x0000000074AAB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-19 10:07
Reported
2024-07-19 10:09
Platform
win10v2004-20240709-en
Max time kernel
119s
Max time network
123s
Command Line
Signatures
MetamorpherRAT
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\818455c49d4f7d1ac72755eab5482b20N.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmpBAF3.tmp.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmpBAF3.tmp.exe | N/A |
Uses the VBS compiler for execution
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\"" | C:\Users\Admin\AppData\Local\Temp\tmpBAF3.tmp.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\818455c49d4f7d1ac72755eab5482b20N.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\tmpBAF3.tmp.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\818455c49d4f7d1ac72755eab5482b20N.exe
"C:\Users\Admin\AppData\Local\Temp\818455c49d4f7d1ac72755eab5482b20N.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\mgxnh8jf.cmdline"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESBCD8.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcC1DD413EB81B4260B8E49E8AD29A4EBA.TMP"
C:\Users\Admin\AppData\Local\Temp\tmpBAF3.tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmpBAF3.tmp.exe" C:\Users\Admin\AppData\Local\Temp\818455c49d4f7d1ac72755eab5482b20N.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | bejnz.com | udp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 8.8.8.8:53 | t5tmike.no-ip.info | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 105.84.221.44.in-addr.arpa | udp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 8.8.8.8:53 | t5tmike.no-ip.info | udp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 8.8.8.8:53 | t5tmike.no-ip.info | udp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | t5tmike.no-ip.info | udp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 8.8.8.8:53 | t5tmike.no-ip.info | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | t5tmike.no-ip.info | udp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 8.8.8.8:53 | t5tmike.no-ip.info | udp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 8.8.8.8:53 | t5tmike.no-ip.info | udp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 8.8.8.8:53 | t5tmike.no-ip.info | udp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
| US | 44.221.84.105:80 | bejnz.com | tcp |
Files
memory/1060-0-0x0000000075092000-0x0000000075093000-memory.dmp
memory/1060-1-0x0000000075090000-0x0000000075641000-memory.dmp
memory/1060-2-0x0000000075090000-0x0000000075641000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\mgxnh8jf.cmdline
| MD5 | 091fb5bcae0110a28cf951fd9e57fe48 |
| SHA1 | f1f94cd18895b0122ef02817ff322304d19c7cd5 |
| SHA256 | aae9832ab4bddeeb129f81b9d610f495b614c43831b569b0d66d8f2bef0eeb66 |
| SHA512 | 090b0eccdc3ef2bc7d8f9a50c3e63aa1d6965d040e9b1cdc8d804a99d0184d867097ad291b6efb2404d53a0e7336b1820c3c74770c1371e3ab5f7b70a08ba45b |
C:\Users\Admin\AppData\Local\Temp\mgxnh8jf.0.vb
| MD5 | 1415d03f77ff1f0506f2333750dce18b |
| SHA1 | 5067da76da254a09634cdc7be4dacbabb91fafea |
| SHA256 | 8f2cc930370c4f7af1a293932603f10ffd9327ef1fef3d03e4fe53dc10d7a6b7 |
| SHA512 | 397f0329a7e340b277439a5ada7c8f4b29090e3f8795cbe4920d7e04e89faa5eb54045eb0e2f02787f9e8a0d49f97c5bf0d4fbcc3822728208d421cdd051ef3a |
memory/4552-9-0x0000000075090000-0x0000000075641000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\zCom.resources
| MD5 | a26b0f78faa3881bb6307a944b096e91 |
| SHA1 | 42b01830723bf07d14f3086fa83c4f74f5649368 |
| SHA256 | b43ecda931e7af03f0768c905ed9fa82c03e41e566b1dff9960afc6b91ae5ab5 |
| SHA512 | a0e9c2814fca6bcf87e779592c005d7a8eef058a61f5a5443f7cf8d97e2316d0cde91ed51270bbcc23ccf68c7fc4a321a5a95a4eed75cb8d8a45cb3aa725fb9c |
C:\Users\Admin\AppData\Local\Temp\vbcC1DD413EB81B4260B8E49E8AD29A4EBA.TMP
| MD5 | f7abdcfa2b84539c1da113e296ba3be0 |
| SHA1 | 4cf71e72b1098bec9f90712e53d8f356eb5c298d |
| SHA256 | 7927bf2e940917113d95771095e4533b97b129705784933cb005e42cd3628553 |
| SHA512 | 4b933d4ecee30a74f53414dc74a6811cdbb7a9b8547f760fb112b7c14fa424501b6e65c3482b3b408f1ebbe618115050d600773b68b0a9aa40d194a848cfd07b |
C:\Users\Admin\AppData\Local\Temp\RESBCD8.tmp
| MD5 | 3d64156068ac9265a65a4a6f28ae0c25 |
| SHA1 | e9dd8daac355a7fa7894ebd5bd6b736dddadaadb |
| SHA256 | 955f681b4440304986b3f1a37792014fb6202a18c8c5139206a9fdbef9086df2 |
| SHA512 | 85d3514c64cf3f826893c9c5f1f70ed0cc4639e753ecd6e1675efc2bfe40810fda79bba1215b5b36ec1166e5b9b1433e50c62e00408eb3f3788d58b1b82e841d |
memory/4552-18-0x0000000075090000-0x0000000075641000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpBAF3.tmp.exe
| MD5 | d41405b30b66dd4217aec97b855b8044 |
| SHA1 | f74db53a9b13af5d49c5a71da78dc1c9f5530c42 |
| SHA256 | f20a3ff72aab049e29b11449f51a1935ca3ca20b37c8a3312b0f7ec9cafd5b00 |
| SHA512 | 86c54664c0b4d08d7b6b9ff4e3de6604dd828068c9386b3633e37cc13a96ad5ff848d78d8391bc3993b2b204a9ec81c96b7f8443277a8e80060753b899706e51 |
memory/1060-22-0x0000000075090000-0x0000000075641000-memory.dmp
memory/3684-23-0x0000000075090000-0x0000000075641000-memory.dmp
memory/3684-24-0x0000000075090000-0x0000000075641000-memory.dmp
memory/3684-25-0x0000000075090000-0x0000000075641000-memory.dmp
memory/3684-26-0x0000000075090000-0x0000000075641000-memory.dmp
memory/3684-27-0x0000000075090000-0x0000000075641000-memory.dmp