Analysis Overview
SHA256
af8be5f5c84e1eed2cf25bc4641c262ea67679bc731fec5d3011af539dab257d
Threat Level: Known bad
The file 2151bdd02708525b2dbf548c9290458a_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Urelas family
Urelas
Deletes itself
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
UPX packed file
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-08 11:35
Signatures
Urelas family
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-08 11:35
Reported
2024-10-08 18:17
Platform
win7-20240903-en
Max time kernel
149s
Max time network
123s
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\zyxuo.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\lyhuj.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2151bdd02708525b2dbf548c9290458a_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\zyxuo.exe | N/A |
UPX packed file
| 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 |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2151bdd02708525b2dbf548c9290458a_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\zyxuo.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\lyhuj.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2151bdd02708525b2dbf548c9290458a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2151bdd02708525b2dbf548c9290458a_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\zyxuo.exe
"C:\Users\Admin\AppData\Local\Temp\zyxuo.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
C:\Users\Admin\AppData\Local\Temp\lyhuj.exe
"C:\Users\Admin\AppData\Local\Temp\lyhuj.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/596-0-0x0000000000400000-0x000000000048B000-memory.dmp
\Users\Admin\AppData\Local\Temp\zyxuo.exe
| MD5 | acc821b41421062fec7eb28dc9a20652 |
| SHA1 | c8b1dd0ac4da1357826bc1340963f1e7aa4c6a2a |
| SHA256 | e7a8dcd05bdaa89ce6adf6f9cf6a4f3850be033ae603051893359dd99af5eeef |
| SHA512 | 750b37829cc1fdfcc0803e939c2fdc5639412663bdc6ac4f0fcb7b280f749fc2b5df2cb3e5ba381b8866a770c65112bcd4c5707adbb1fcbf68bdaa6865e9518b |
memory/2896-16-0x0000000000400000-0x000000000048B000-memory.dmp
memory/596-18-0x0000000000400000-0x000000000048B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
| MD5 | 62aa3121092af6d3556f608bd6975b3d |
| SHA1 | 0db41dc7bf121e87fdc958a3d348135c1b6d87ef |
| SHA256 | 9cd702bca6787cd12fb7208325e504196bf5c6a8f1de7fb7cd3bfeffce061391 |
| SHA512 | 6225327996f07833a802841cf049b839b56ae15ef3dfdfea1e737c37cd083e29e0b68812ccfea56ad719b7e11bfc2dc924075185ade84e6bbb6378dddd8fa730 |
memory/596-8-0x0000000002510000-0x000000000259B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | b9514ac4b4567386fcb6d9eb82174d9b |
| SHA1 | d918b271c1344b5bd8fbf5cf188a3b7c6173af64 |
| SHA256 | 0aa15ee61f4ac9bfa409b5d84cf11fdc5d44390391ac3895c0d3c05b33443e87 |
| SHA512 | cd7afc9fa08fb7715950119c835c40d4fb0c8c90893d36fa7d3f0e507b51885d1a2837cf91e5ba68659c7a48c89bc2ca1dd879f5f9af8afc1f40ab86901f3552 |
memory/2896-21-0x0000000000400000-0x000000000048B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\lyhuj.exe
| MD5 | 2c5f82f74fea1a7c48b5991100c8bd6c |
| SHA1 | 211e15eb1790d429b965b823804c8a4193ad486a |
| SHA256 | bccd4d5bad21fb4caf0eef8f99fee46e27571d3219530cbdee9f9daf3728bec5 |
| SHA512 | 03ad040d3e9b06da7cd881c6b02e765393fdf5966fcf38717d296f44515f793f3d7367053ade487c24ccf3e795016c31bfdbc448da722e85328e37969c96d3ee |
memory/2896-28-0x0000000000400000-0x000000000048B000-memory.dmp
memory/2256-30-0x0000000000A80000-0x0000000000B36000-memory.dmp
memory/2896-29-0x0000000003BA0000-0x0000000003C56000-memory.dmp
memory/2256-32-0x0000000000A80000-0x0000000000B36000-memory.dmp
memory/2256-33-0x0000000000A80000-0x0000000000B36000-memory.dmp
memory/2256-34-0x0000000000A80000-0x0000000000B36000-memory.dmp
memory/2256-35-0x0000000000A80000-0x0000000000B36000-memory.dmp
memory/2256-36-0x0000000000A80000-0x0000000000B36000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-08 11:35
Reported
2024-10-08 18:16
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
94s
Command Line
Signatures
Urelas
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2151bdd02708525b2dbf548c9290458a_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\xazer.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xazer.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\wejog.exe | N/A |
UPX packed file
| 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 |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\xazer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\wejog.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2151bdd02708525b2dbf548c9290458a_JaffaCakes118.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2151bdd02708525b2dbf548c9290458a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2151bdd02708525b2dbf548c9290458a_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\xazer.exe
"C:\Users\Admin\AppData\Local\Temp\xazer.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\wejog.exe
"C:\Users\Admin\AppData\Local\Temp\wejog.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 73.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| KR | 218.54.31.226:11110 | tcp | |
| KR | 1.234.83.146:11170 | tcp | |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| KR | 218.54.31.165:11110 | tcp | |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| JP | 133.242.129.155:11110 | tcp | |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
Files
memory/3748-0-0x0000000000400000-0x000000000048B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\xazer.exe
| MD5 | a6bf70eeefbf68bf7eb63f5caae21701 |
| SHA1 | adf327fcfb17af1a80cbcaaf6f9cb9e1ab878e0b |
| SHA256 | 71f7e16374ec81fc8d3d2ef61d2d17de24de2ea7a7eb28633a8a9384ea4029d1 |
| SHA512 | 47e9c65df248e19a6a09d8ccf94bfbf5910bcf26a6d593d01526a737a709a877bebfb809b7a1a315059306629826476309383f82ecd66bb523d5aee5c58e3a71 |
memory/3172-10-0x0000000000400000-0x000000000048B000-memory.dmp
memory/3748-14-0x0000000000400000-0x000000000048B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
| MD5 | 62aa3121092af6d3556f608bd6975b3d |
| SHA1 | 0db41dc7bf121e87fdc958a3d348135c1b6d87ef |
| SHA256 | 9cd702bca6787cd12fb7208325e504196bf5c6a8f1de7fb7cd3bfeffce061391 |
| SHA512 | 6225327996f07833a802841cf049b839b56ae15ef3dfdfea1e737c37cd083e29e0b68812ccfea56ad719b7e11bfc2dc924075185ade84e6bbb6378dddd8fa730 |
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 53a85475317e70579afb8cd9687e7d0b |
| SHA1 | 8922d28b7fbd0cab10b19822963cf8e148b1ce1a |
| SHA256 | a64c0c6a74190e4ac7b03381b4a3e90dad0b5d785c8b61d148d5bc5735a7a650 |
| SHA512 | 8b3e740197138d44af4830c9d81ecb763a01996e9ad48315034602d9b066e702de60739ec4e93bb799e8e9beaca47f551d9c795b897f0305abeb9fbf1930052e |
memory/3172-17-0x0000000000400000-0x000000000048B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\wejog.exe
| MD5 | b299d5960018339baa37b288d71f11e2 |
| SHA1 | d358eb6d8ab2767a94bc87da37571091ac9d8fbf |
| SHA256 | d4fbeaa628087d894bcc8035d719e796acdb7e7e29d7d26e962025faeaa39c90 |
| SHA512 | ca01c251acf5c561a55a50439f1d0fe457af735738f050b13668204ce1b6160a559914a19d8f6972a48d966e5c586e340606f104656ccaf8f38be846c692b0fd |
memory/3172-28-0x0000000000400000-0x000000000048B000-memory.dmp
memory/4992-27-0x0000000000940000-0x0000000000941000-memory.dmp
memory/4992-26-0x0000000000750000-0x0000000000806000-memory.dmp
memory/4992-30-0x0000000000750000-0x0000000000806000-memory.dmp
memory/4992-31-0x0000000000750000-0x0000000000806000-memory.dmp
memory/4992-32-0x0000000000750000-0x0000000000806000-memory.dmp
memory/4992-33-0x0000000000750000-0x0000000000806000-memory.dmp
memory/4992-34-0x0000000000750000-0x0000000000806000-memory.dmp