Analysis Overview
SHA256
ff7d56c1a7efc795cbd031c054dedfe8fa354a370b212a8a8e10be62d263cad0
Threat Level: Known bad
The file 4150869444302f78451b1d4834933554_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Urelas family
Urelas
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Deletes itself
UPX packed file
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-13 18:07
Signatures
Urelas family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-13 18:07
Reported
2024-10-13 18:10
Platform
win7-20241010-en
Max time kernel
149s
Max time network
125s
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\rekaw.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\koivwe.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kuuqw.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4150869444302f78451b1d4834933554_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4150869444302f78451b1d4834933554_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rekaw.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rekaw.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\koivwe.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 |
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\koivwe.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\kuuqw.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\4150869444302f78451b1d4834933554_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\rekaw.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kuuqw.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kuuqw.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kuuqw.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kuuqw.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kuuqw.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kuuqw.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kuuqw.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kuuqw.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kuuqw.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kuuqw.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kuuqw.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kuuqw.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kuuqw.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4150869444302f78451b1d4834933554_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4150869444302f78451b1d4834933554_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\rekaw.exe
"C:\Users\Admin\AppData\Local\Temp\rekaw.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\_vslite.bat" "
C:\Users\Admin\AppData\Local\Temp\koivwe.exe
"C:\Users\Admin\AppData\Local\Temp\koivwe.exe" OK
C:\Users\Admin\AppData\Local\Temp\kuuqw.exe
"C:\Users\Admin\AppData\Local\Temp\kuuqw.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\_vslite.bat" "
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/3012-2-0x0000000000400000-0x0000000000524000-memory.dmp
\Users\Admin\AppData\Local\Temp\rekaw.exe
| MD5 | 4e7ae3a01d58adf1197e106fe3660c55 |
| SHA1 | 79e35eeacee004e71db0a275fcc87907e48853c3 |
| SHA256 | fe822bb513b5af18fc69582a300e9a2765af5a7ec9b585b74f5d88d87005caa2 |
| SHA512 | 5facfc8d5438156f7ad5259edcdc16c4150b2e79d232787e75dc56f5aef8d28928a91914dc91788941caeb1b941c92f35f06a462d1bfa370972a2483e8bc2d4a |
memory/3012-20-0x0000000002680000-0x00000000027A4000-memory.dmp
memory/3012-17-0x0000000002680000-0x00000000027A4000-memory.dmp
memory/1888-23-0x0000000000400000-0x0000000000524000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 1a44e0d4f17e29cb7d213a0a43d15f3e |
| SHA1 | bba4b2a633af41ec7ea0643f2aa09dbb73631151 |
| SHA256 | a5728470a4ed54c07a6ef4bee520648e476bd6fbec1b8d8543faa656500f6a38 |
| SHA512 | 1db4d6c8f717c317345a69b60f4d83ef9e5174395a5f111b330202359ec72a374b2933a586b2c7f6eaac4193c384e4217eefa06a1822a3dc22995dcf5d61e907 |
C:\Users\Admin\AppData\Local\Temp\_vslite.bat
| MD5 | a4e89c7ca30b163217150fd27585d12f |
| SHA1 | 0efd30bf1bd473ca2ac1ece031306bf54728d0b1 |
| SHA256 | bb5bf02f351c90535f61a12a9718cd59dfae8c11485d9410a328fd3ab729b3b3 |
| SHA512 | 9a41cdb2c7c68216f9a69bdeae187724bb9928e1485e2b2d07426f1d659860f6dc27e1d81483d89c739d4a445be913cb108e85d0ef046318c18a5bd2e7ebfe32 |
memory/1888-34-0x0000000000400000-0x0000000000524000-memory.dmp
memory/3012-19-0x0000000000400000-0x0000000000524000-memory.dmp
memory/2964-36-0x0000000000400000-0x0000000000524000-memory.dmp
memory/2964-37-0x0000000000400000-0x0000000000524000-memory.dmp
\Users\Admin\AppData\Local\Temp\kuuqw.exe
| MD5 | 0f731b0e7e77acca231c09be1e0be30e |
| SHA1 | 4e30841a53edfec28ed84c49bed920274dcccb97 |
| SHA256 | 5d391c68421a63cd893fe81a344972e48e7c8871d8c752906aa0c63851cc2307 |
| SHA512 | ad268840afed98f26fe50c9a0fee666c7a5c5199d884964596d01b3776264da8b2523c29e41b1c1e3e8d271ec125510543405fd0f8f86e65eb8b6c5c9c09d659 |
memory/2964-52-0x0000000003A10000-0x0000000003BA9000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_vslite.bat
| MD5 | 0cfe2b017f6a530f04ae3f74fb3c429a |
| SHA1 | 374a41d042447ba25a06a3decf53bd0454963ffb |
| SHA256 | 4dba2bae815fc65db6610d7d9fb796a211bdac73c8fe8db31075dff9ac1d1c2f |
| SHA512 | e1140030234d29556c910a006b7b0f2d0dfe9c33330bff540072385b24a156f2c576faa75959180ac8362ab151366a9b82d7dcda1edfccccd788b01151c0e7ef |
memory/1652-54-0x0000000000400000-0x0000000000599000-memory.dmp
memory/2964-55-0x0000000000400000-0x0000000000524000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\gbp.ini
| MD5 | dbef593bccc2049f860f718cd6fec321 |
| SHA1 | e7e9f8235b4eb70aa99dd2c38009f2152575a8d0 |
| SHA256 | 30f820bb1ca6c20bcd77113c7377e01f31cdf0ec5b64864f22887d41a9bf3c7a |
| SHA512 | 3e87c661c343b72f5dff4587b99688dbf655be9d6d903a75151bd9f204f55858e90388591f660bcbded5278ef94e322bf3e7c57374c9b16fce1eef7082395a2a |
memory/1652-59-0x0000000000400000-0x0000000000599000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-13 18:07
Reported
2024-10-13 18:10
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
97s
Command Line
Signatures
Urelas
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\4150869444302f78451b1d4834933554_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\gyyxz.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\xupeci.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\gyyxz.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xupeci.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ibsum.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 |
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\ibsum.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\4150869444302f78451b1d4834933554_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\gyyxz.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\xupeci.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4150869444302f78451b1d4834933554_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4150869444302f78451b1d4834933554_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\gyyxz.exe
"C:\Users\Admin\AppData\Local\Temp\gyyxz.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_vslite.bat" "
C:\Users\Admin\AppData\Local\Temp\xupeci.exe
"C:\Users\Admin\AppData\Local\Temp\xupeci.exe" OK
C:\Users\Admin\AppData\Local\Temp\ibsum.exe
"C:\Users\Admin\AppData\Local\Temp\ibsum.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_vslite.bat" "
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.209.201.84.in-addr.arpa | udp |
| KR | 218.54.31.226:11110 | tcp | |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| KR | 1.234.83.146:11170 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.117.19.2.in-addr.arpa | udp |
| KR | 218.54.31.165:11110 | tcp | |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| JP | 133.242.129.155:11110 | tcp | |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
Files
memory/4576-0-0x0000000000400000-0x0000000000524000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\gyyxz.exe
| MD5 | c12384fbc2d08af0d4e8ee73a0621b13 |
| SHA1 | dedc1067566a21abae738c07542f4f2816dd4774 |
| SHA256 | 1c9523e52b475f24cc004cc80cc9a966693db25ec0ec339dcc77a0f577defd60 |
| SHA512 | d4a48828dde2db846cc04ece6a785db6d1d2903743cda228af34a322b14f1fbaec9000c5f26172f53482049d32c6779dd9aef7e4384bdf0de292a4c67fb4bd6c |
memory/1796-14-0x0000000000400000-0x0000000000524000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 108d0b0fd052c85992c8db84515a268b |
| SHA1 | 29992ff6d7847766f3063c6ad7802fb15d140a16 |
| SHA256 | 6f7226d240878b4fdf7a6d9e51f31ca7f987b59e6b4f38c5af498ff04688be24 |
| SHA512 | 045c2cfad54c478b5181bc3d73c45a3de25291520f5627c6563b7fdc4e01e47bca2af18cc5af7760a557b5a584c7557a8f94d0d960a7745367596fd8800c88ef |
memory/4576-16-0x0000000000400000-0x0000000000524000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_vslite.bat
| MD5 | a4e89c7ca30b163217150fd27585d12f |
| SHA1 | 0efd30bf1bd473ca2ac1ece031306bf54728d0b1 |
| SHA256 | bb5bf02f351c90535f61a12a9718cd59dfae8c11485d9410a328fd3ab729b3b3 |
| SHA512 | 9a41cdb2c7c68216f9a69bdeae187724bb9928e1485e2b2d07426f1d659860f6dc27e1d81483d89c739d4a445be913cb108e85d0ef046318c18a5bd2e7ebfe32 |
memory/1796-26-0x0000000000400000-0x0000000000524000-memory.dmp
memory/4524-25-0x0000000000400000-0x0000000000524000-memory.dmp
memory/4524-27-0x0000000000400000-0x0000000000524000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ibsum.exe
| MD5 | 3b35dc0c69c595b1bba6a6aca3da22d9 |
| SHA1 | 977b8bdd0ff8d2bdd3aeca235005917170df9b0e |
| SHA256 | e5ad9dba9d9d9a9334f6e3bc7d3c8cc3f1fe0a5c954e4dc9e15db707d3198e2e |
| SHA512 | 161056d401d79d97538da5abe0be3fc6887ecfe08de48dc2a755d46bb67743da58866b270ed5de8f5b44d1e9b70387f3d87efe2a509f21bd18fd14ce2bd6d871 |
memory/4996-40-0x0000000000400000-0x0000000000599000-memory.dmp
memory/4524-41-0x0000000000400000-0x0000000000524000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_vslite.bat
| MD5 | c305e2764c099cae14b0d3cff83f73c0 |
| SHA1 | cc6b54280b2048160b8345c35419a6072056461d |
| SHA256 | cf8fc8f48cf0a4546ac3e391795184c9eae7810581d1319341a60aa806b18515 |
| SHA512 | 316acb4ca497a55715f32a416291586fcc63d38ae8560be135d71719a7d116443f2789dd5f7fc16cff35b47507f75e0131e5722ae70f97bc28d167d1322ef3c2 |
C:\Users\Admin\AppData\Local\Temp\gbp.ini
| MD5 | dbef593bccc2049f860f718cd6fec321 |
| SHA1 | e7e9f8235b4eb70aa99dd2c38009f2152575a8d0 |
| SHA256 | 30f820bb1ca6c20bcd77113c7377e01f31cdf0ec5b64864f22887d41a9bf3c7a |
| SHA512 | 3e87c661c343b72f5dff4587b99688dbf655be9d6d903a75151bd9f204f55858e90388591f660bcbded5278ef94e322bf3e7c57374c9b16fce1eef7082395a2a |
memory/4996-44-0x0000000000400000-0x0000000000599000-memory.dmp