Analysis Overview
SHA256
b4426db993986175b7360aa6952dbca738ef90316bc2b39b1e4f15c471de5969
Threat Level: Known bad
The file b4426db993986175b7360aa6952dbca738ef90316bc2b39b1e4f15c471de5969 was found to be: Known bad.
Malicious Activity Summary
Urelas family
Urelas
Executes dropped EXE
Checks computer location settings
Deletes itself
Loads dropped DLL
ASPack v2.12-2.42
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-09 02:28
Signatures
Urelas family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-09 02:28
Reported
2024-10-09 02:31
Platform
win7-20240903-en
Max time kernel
150s
Max time network
94s
Command Line
Signatures
Urelas
ASPack v2.12-2.42
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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\ogacn.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\loevp.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b4426db993986175b7360aa6952dbca738ef90316bc2b39b1e4f15c471de5969.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b4426db993986175b7360aa6952dbca738ef90316bc2b39b1e4f15c471de5969.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ogacn.exe | 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\ogacn.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\loevp.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\b4426db993986175b7360aa6952dbca738ef90316bc2b39b1e4f15c471de5969.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b4426db993986175b7360aa6952dbca738ef90316bc2b39b1e4f15c471de5969.exe
"C:\Users\Admin\AppData\Local\Temp\b4426db993986175b7360aa6952dbca738ef90316bc2b39b1e4f15c471de5969.exe"
C:\Users\Admin\AppData\Local\Temp\ogacn.exe
"C:\Users\Admin\AppData\Local\Temp\ogacn.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
C:\Users\Admin\AppData\Local\Temp\loevp.exe
"C:\Users\Admin\AppData\Local\Temp\loevp.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/2720-0-0x0000000000400000-0x000000000049B000-memory.dmp
\Users\Admin\AppData\Local\Temp\ogacn.exe
| MD5 | f7bf5bf6cb40c0ff39db0c43811a4f8c |
| SHA1 | b099c242ab08ff843342f9229421a89d61519763 |
| SHA256 | 88fef5b01cad0d52eb679b8652d3b17e436f418fa7015963d804d063abc9d370 |
| SHA512 | ab589224f787f5f76beeeb26fbb8c39845f5e42a17817e3f986877a9aa1703d344eed44a47925898732df08943f942160c04158b2a686f10f096a01fa7c38220 |
C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
| MD5 | c813b45d476db85e9d00b9a5436490be |
| SHA1 | 64056470f74a9d2e39c680cdca00000fe7fe0c5c |
| SHA256 | 3f71f3d96c41b52839e86a4f6a656790b802705454406701ce6a5b7e55dd10ce |
| SHA512 | 052c6fa4bf1e5bbc23a73c1bd9900fe2d3aeca8d2682c0485c8792c7fe0d923fe69e746b07b634b11564bfdd233633f6b4856de87e974b8e59ec95826615eefd |
memory/2720-21-0x0000000000400000-0x000000000049B000-memory.dmp
memory/2720-11-0x0000000002600000-0x000000000269B000-memory.dmp
memory/2196-20-0x0000000000400000-0x000000000049B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 4f7f7d92658924807506d7c894491af2 |
| SHA1 | 8b04548265a3d03646a5b4ebe1e1cb6b8718d269 |
| SHA256 | e13edecc034159dc4f1197b4e365796bcdbb912c0f164f37ef260e94c1fa98ef |
| SHA512 | a5c7d197fd14028b671ec9d6f60ec27739d189ae01934b0685ef37e2af67da8490667f33b1306705299c303a90ce26554332ad1836907469414090e586fe60ef |
memory/2196-24-0x0000000000400000-0x000000000049B000-memory.dmp
\Users\Admin\AppData\Local\Temp\loevp.exe
| MD5 | f74b7a342abedeeb8df3b7077f1245e4 |
| SHA1 | fedaa0b13ac9be6879689190be8f1343aeca5f21 |
| SHA256 | 4dd3d1369ae5e78e481d12bc84be6d2af90e215a37736f2f92a640664356b26d |
| SHA512 | 59b471e730ca4243cf668a0dd309f9d1a0dff59d9f0c8bcf80b1ecfa950da4882029dc1918e4ffa271deca27a85f1dadf9a1cec0cbc35c9b045478eb32f24ae6 |
memory/2128-36-0x0000000001020000-0x00000000010B4000-memory.dmp
memory/2196-35-0x0000000003070000-0x0000000003104000-memory.dmp
memory/2196-34-0x0000000000400000-0x000000000049B000-memory.dmp
memory/2128-33-0x0000000001020000-0x00000000010B4000-memory.dmp
memory/2128-32-0x0000000001020000-0x00000000010B4000-memory.dmp
memory/2128-31-0x0000000001020000-0x00000000010B4000-memory.dmp
memory/2128-38-0x0000000001020000-0x00000000010B4000-memory.dmp
memory/2128-39-0x0000000001020000-0x00000000010B4000-memory.dmp
memory/2128-40-0x0000000001020000-0x00000000010B4000-memory.dmp
memory/2128-41-0x0000000001020000-0x00000000010B4000-memory.dmp
memory/2128-42-0x0000000001020000-0x00000000010B4000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-09 02:28
Reported
2024-10-09 02:31
Platform
win10v2004-20241007-en
Max time kernel
150s
Max time network
96s
Command Line
Signatures
Urelas
ASPack v2.12-2.42
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\b4426db993986175b7360aa6952dbca738ef90316bc2b39b1e4f15c471de5969.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\wodoc.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\wodoc.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kawio.exe | 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\b4426db993986175b7360aa6952dbca738ef90316bc2b39b1e4f15c471de5969.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\wodoc.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\kawio.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b4426db993986175b7360aa6952dbca738ef90316bc2b39b1e4f15c471de5969.exe
"C:\Users\Admin\AppData\Local\Temp\b4426db993986175b7360aa6952dbca738ef90316bc2b39b1e4f15c471de5969.exe"
C:\Users\Admin\AppData\Local\Temp\wodoc.exe
"C:\Users\Admin\AppData\Local\Temp\wodoc.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\kawio.exe
"C:\Users\Admin\AppData\Local\Temp\kawio.exe"
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 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.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 | 18.31.95.13.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 | 48.229.111.52.in-addr.arpa | udp |
Files
memory/4428-0-0x0000000000400000-0x000000000049B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\wodoc.exe
| MD5 | 15a1c5cbc054cbc92ff57be9d80fb010 |
| SHA1 | 6e532adb73dd19085fad686b8b26e9800a44e5a8 |
| SHA256 | eab0e2f7679163960db7f13aaf8334ad52ef8491177ff6efaf661fb86bc1e115 |
| SHA512 | 2d35abbc0d04afd362d69d10bbb4fae1d793ca4e91495d8d92898856fb99a4ced380957b99a0cc8b5edb1dc115fd62bf3ad8d6066681a87e96b7b920e470b33a |
memory/220-12-0x0000000000400000-0x000000000049B000-memory.dmp
memory/4428-14-0x0000000000400000-0x000000000049B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
| MD5 | c813b45d476db85e9d00b9a5436490be |
| SHA1 | 64056470f74a9d2e39c680cdca00000fe7fe0c5c |
| SHA256 | 3f71f3d96c41b52839e86a4f6a656790b802705454406701ce6a5b7e55dd10ce |
| SHA512 | 052c6fa4bf1e5bbc23a73c1bd9900fe2d3aeca8d2682c0485c8792c7fe0d923fe69e746b07b634b11564bfdd233633f6b4856de87e974b8e59ec95826615eefd |
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 0bd517df4b27a3d7816ba2c2b477b838 |
| SHA1 | 316cb522682de23c522bd865da744d1e1a8e7697 |
| SHA256 | 59b148576d5f8ec1f3f5f6a99758e80f1b2dbd843b58dc163e72dae48572ea7c |
| SHA512 | 4462cf3c38031ce21938d44563cad3faa48efc99568443604902e5437cea08503f58c926a563e20f190688f4f04f705549cbee05c6371273a416a7306031b9e8 |
memory/220-17-0x0000000000400000-0x000000000049B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\kawio.exe
| MD5 | a44d6d1e53df0b547079c897fd77a8a4 |
| SHA1 | 9f89de918af6371f3d804d4b6f992c3628434efa |
| SHA256 | d39494bf1ecc3b7e6876871432accc053442e4bee47ba40c3a203abf28390986 |
| SHA512 | 6806e966a654d84907f1300f5302dd618dbfd0db8fed6d84247f2803d5fee1112d89a3168ddfbd969ce5bf1c4b4c3284b1ab040d1d7f14c3ab72837e63096ddc |
memory/4060-26-0x00000000006E0000-0x0000000000774000-memory.dmp
memory/4060-27-0x00000000006E0000-0x0000000000774000-memory.dmp
memory/4060-30-0x00000000006E0000-0x0000000000774000-memory.dmp
memory/220-28-0x0000000000400000-0x000000000049B000-memory.dmp
memory/4060-29-0x00000000006E0000-0x0000000000774000-memory.dmp
memory/4060-32-0x00000000006E0000-0x0000000000774000-memory.dmp
memory/4060-33-0x00000000006E0000-0x0000000000774000-memory.dmp
memory/4060-34-0x00000000006E0000-0x0000000000774000-memory.dmp
memory/4060-35-0x00000000006E0000-0x0000000000774000-memory.dmp
memory/4060-36-0x00000000006E0000-0x0000000000774000-memory.dmp