Analysis Overview
SHA256
1a14dfc79b002101f64dda982c6ac8a8697fb4f88df8871b0ba7f44fbc7309dd
Threat Level: Known bad
The file c076766fce89bbd06b0a57633dd0863b was found to be: Known bad.
Malicious Activity Summary
Urelas family
Urelas
Checks computer location settings
Deletes itself
Loads dropped DLL
Executes dropped EXE
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-11 11:20
Signatures
Urelas family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-11 11:20
Reported
2024-03-11 11:22
Platform
win7-20231129-en
Max time kernel
149s
Max time network
120s
Command Line
Signatures
Urelas
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\zeikk.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\onotc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c076766fce89bbd06b0a57633dd0863b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\zeikk.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c076766fce89bbd06b0a57633dd0863b.exe
"C:\Users\Admin\AppData\Local\Temp\c076766fce89bbd06b0a57633dd0863b.exe"
C:\Users\Admin\AppData\Local\Temp\zeikk.exe
"C:\Users\Admin\AppData\Local\Temp\zeikk.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
C:\Users\Admin\AppData\Local\Temp\onotc.exe
"C:\Users\Admin\AppData\Local\Temp\onotc.exe"
Network
| Country | Destination | Domain | Proto |
| KR | 218.54.31.226:11110 | tcp | |
| KR | 1.234.83.146:11170 | tcp | |
| KR | 218.54.31.165:11110 | tcp | |
| JP | 133.242.129.155:11110 | tcp |
Files
memory/1540-0-0x0000000000400000-0x000000000048C000-memory.dmp
\Users\Admin\AppData\Local\Temp\zeikk.exe
| MD5 | 9a8c6f6333c71af89afb3e91506158f4 |
| SHA1 | 41e88890d1879edb87690a4a2f22de81dc5ec8e2 |
| SHA256 | c2c6cbe242637f111c352290537d3d2db2de42bb3869d05a02d21b16ebaf1a1d |
| SHA512 | fd217ab9a5c2d0c40e2ad805ebdcd0391e088fbefb2d3f592ed95e6086930250af19e2626b9ac30114e6a9c8c57951039ad953062bf2c5397b71f287df41f981 |
C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
| MD5 | fb984991ea81f8ce3046df1b4b34c929 |
| SHA1 | 50db6a8405a5a6e6aa16fa47bab8dacd284884dc |
| SHA256 | e7dc351791c947a541cdcfe4cbbdbae0813c63adc94e55728dcf5a8197e3eb3a |
| SHA512 | 0a6d04128b955a77eb3e76cd25e1ab444275cd49352c1d0107aecdaa559163c0b3ad3f28d78a544d89f065f18693d730221b7790566087297639a288f3475e2a |
memory/2176-18-0x0000000000400000-0x000000000048C000-memory.dmp
memory/1540-8-0x0000000002230000-0x00000000022BC000-memory.dmp
memory/1540-16-0x0000000000400000-0x000000000048C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | e049efa30b46093c9ea69ed704374c12 |
| SHA1 | 7309083e482ac5d929c61a653838e6444f4b6aba |
| SHA256 | d847558798c58082efd7391834eeb555a837fabf81fc39e992cef0321cf89a04 |
| SHA512 | a2321c59e4453b2eca6fcf64db3ec1567ccbd5e2a489c8bcaa75e35c6060fe714b3cf5d29b4ddc437a724394d9d36964c9b86b686fc16f02a9d375996bb7ee50 |
memory/2176-27-0x0000000000400000-0x000000000048C000-memory.dmp
memory/2020-29-0x0000000000F20000-0x0000000000FC3000-memory.dmp
memory/2020-30-0x0000000000080000-0x0000000000081000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\onotc.exe
| MD5 | b6dda6335ede00f6b2b7eba380c3c6e3 |
| SHA1 | 95ee8bc6c933ed804c44636e7f6c3c365d7022ad |
| SHA256 | f695214702fe04f0fadfbcbcb2d93514adb41b823c848c96d85d07c2160da55c |
| SHA512 | 6a97284868e74697291cfaa59748621486fd0be75119b93a29b2ffaa56935333fc2f03056f728b2d714c40074e591ef4cdd52224e9050251380755dff1302012 |
memory/2176-26-0x0000000003F40000-0x0000000003FE3000-memory.dmp
memory/2020-32-0x0000000000F20000-0x0000000000FC3000-memory.dmp
memory/2020-33-0x0000000000F20000-0x0000000000FC3000-memory.dmp
memory/2020-34-0x0000000000F20000-0x0000000000FC3000-memory.dmp
memory/2020-35-0x0000000000F20000-0x0000000000FC3000-memory.dmp
memory/2020-36-0x0000000000F20000-0x0000000000FC3000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-11 11:20
Reported
2024-03-11 11:22
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
152s
Command Line
Signatures
Urelas
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\c076766fce89bbd06b0a57633dd0863b.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\reroc.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\reroc.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\jurek.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c076766fce89bbd06b0a57633dd0863b.exe
"C:\Users\Admin\AppData\Local\Temp\c076766fce89bbd06b0a57633dd0863b.exe"
C:\Users\Admin\AppData\Local\Temp\reroc.exe
"C:\Users\Admin\AppData\Local\Temp\reroc.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
C:\Users\Admin\AppData\Local\Temp\jurek.exe
"C:\Users\Admin\AppData\Local\Temp\jurek.exe"
Network
| Country | Destination | Domain | Proto |
| 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 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| KR | 218.54.31.226:11110 | tcp | |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| KR | 1.234.83.146:11170 | tcp | |
| US | 8.8.8.8:53 | 195.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| KR | 218.54.31.165:11110 | tcp | |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 174.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 175.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| JP | 133.242.129.155:11110 | tcp | |
| US | 8.8.8.8:53 | 64.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.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 | 90.16.208.104.in-addr.arpa | udp |
Files
memory/3292-0-0x0000000000400000-0x000000000048C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\reroc.exe
| MD5 | 869bb8656925aeac4748bda929781790 |
| SHA1 | 706a44b1b37b2b6c0c2f565286d2650c8c45c4bb |
| SHA256 | d4eebd268b86827ebf579e6d63f6ff9ddf2ad95d9e09703a449a3be24dee4526 |
| SHA512 | d21843484f79207eeb94d96db803d86a1ca1a60428e04f116c3669b2236694d0b86ec96a1ebbcb6182e73168ec66975017ab055d1c274d4685b4dd1497e14cf3 |
memory/4760-12-0x0000000000400000-0x000000000048C000-memory.dmp
memory/3292-14-0x0000000000400000-0x000000000048C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
| MD5 | fb984991ea81f8ce3046df1b4b34c929 |
| SHA1 | 50db6a8405a5a6e6aa16fa47bab8dacd284884dc |
| SHA256 | e7dc351791c947a541cdcfe4cbbdbae0813c63adc94e55728dcf5a8197e3eb3a |
| SHA512 | 0a6d04128b955a77eb3e76cd25e1ab444275cd49352c1d0107aecdaa559163c0b3ad3f28d78a544d89f065f18693d730221b7790566087297639a288f3475e2a |
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | ea8df2d272ee076fba7cb9b9432668ec |
| SHA1 | c11784a2d7d049b529e801b3c71c5b6580562562 |
| SHA256 | 9c3ae05c2f3812aa530ce9e67ce208a0261d246133918c94605b533d9771f59c |
| SHA512 | 5f83008ec431e06be9516bf43222f2fbc80d1cbdd07778c3eb33a3fe2158ab6a2f108481d262f01492c35c185198ba36e004d6cc0b347f9c43ff9b264b81cdbc |
C:\Users\Admin\AppData\Local\Temp\jurek.exe
| MD5 | be86847a1c67179771446d5db80c2ddc |
| SHA1 | 20c034b85f68a22bcc55609b6c1253bb90b90f93 |
| SHA256 | 983c46e541070626283737d05bc5fea3b440c56807cb93c0f1c4143dc479babb |
| SHA512 | a0ce29492e0d58735f42efd13ecd4bf1b99550157f3076717de627f1890f522b1d75fbf71a3356c532d102b717145e297013e3f3d7962df75ad897b9a7e9ad8f |
memory/4760-25-0x0000000000400000-0x000000000048C000-memory.dmp
memory/4660-26-0x0000000001300000-0x0000000001301000-memory.dmp
memory/4660-27-0x0000000000460000-0x0000000000503000-memory.dmp
memory/4660-29-0x0000000000460000-0x0000000000503000-memory.dmp
memory/4660-30-0x0000000000460000-0x0000000000503000-memory.dmp
memory/4660-31-0x0000000000460000-0x0000000000503000-memory.dmp
memory/4660-32-0x0000000000460000-0x0000000000503000-memory.dmp
memory/4660-33-0x0000000000460000-0x0000000000503000-memory.dmp