Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
19/04/2026, 23:12
Behavioral task
behavioral1
Sample
2026-04-19_f05ce391ef190a4ca953011bc76b1b8f_amadey_elex_smoke-loader_stop.exe
Resource
win10v2004-20260130-en
10 signatures
150 seconds
General
- Target 2026-04-19_f05ce391ef190a4ca953011bc76b1b8f_amadey_elex_smoke-loader_stop.exe
- Size 583KB
- Sample260419-27a2mact2j
- SHA256 6b048fe1aaab0e341104028ea59313ca2e5b8e4d809b98933fb0d3913a0ec394
- MD5 f05ce391ef190a4ca953011bc76b1b8f
- SHA1 a11a76e4113f4f478c92cbc176c82b8da30f385b
- SHA512 5bfbeb330fb635283a9502891e04b567f9ab223e3c2c8d1d2aa772f3fdecf55b9b34654ff6df68c1bb5e3b7f8a4fc71994e7556c1d2cab47ea3687f6c81de8f0
- SSDEEP 6144:JajY1oC+/U8Vjlx4kk9HKda4L38c8hpdoSQbQFsrF1W/h84IrV7mMpH8zQW4jQw1:fOlx4kk9HKda4YJoSiQi4kVdcQzjkc
- TLSH T1E8C4CF213780C035E3B613328996E1B56A657D3456A4D68FF7A83E7A5E302C39A3734F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
urelas
C2
-
1.234.83.146
-
133.242.129.155
-
218.54.31.226
-
218.54.31.165
Signatures
- UPX dump on OEP (original entry point) 7 IoCs
resource yara_rule behavioral2/memory/2472-0-0x0000000000400000-0x00000000004BF26D-memory.dmp UPX behavioral2/files/0x002a00000002b142-7.dat UPX behavioral2/memory/916-14-0x0000000000400000-0x00000000004BF26D-memory.dmp UPX behavioral2/memory/916-12-0x0000000000400000-0x00000000004BF26D-memory.dmp UPX behavioral2/memory/2472-16-0x0000000000400000-0x00000000004BF26D-memory.dmp UPX behavioral2/memory/916-19-0x0000000000400000-0x00000000004BF26D-memory.dmp UPX behavioral2/memory/916-30-0x0000000000400000-0x00000000004BF26D-memory.dmp UPX - Executes dropped EXE 2 IoCs
pid Process 916 nejuo.exe 1584 fuybo.exe -
resource yara_rule behavioral2/memory/2472-0-0x0000000000400000-0x00000000004BF26D-memory.dmp upx behavioral2/files/0x002a00000002b142-7.dat upx behavioral2/memory/916-14-0x0000000000400000-0x00000000004BF26D-memory.dmp upx behavioral2/memory/916-12-0x0000000000400000-0x00000000004BF26D-memory.dmp upx behavioral2/memory/2472-16-0x0000000000400000-0x00000000004BF26D-memory.dmp upx behavioral2/memory/916-19-0x0000000000400000-0x00000000004BF26D-memory.dmp upx behavioral2/memory/916-30-0x0000000000400000-0x00000000004BF26D-memory.dmp upx - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-04-19_f05ce391ef190a4ca953011bc76b1b8f_amadey_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nejuo.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fuybo.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe 1584 fuybo.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 1584 fuybo.exe Token: SeIncBasePriorityPrivilege 1584 fuybo.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2472 wrote to memory of 916 2472 2026-04-19_f05ce391ef190a4ca953011bc76b1b8f_amadey_elex_smoke-loader_stop.exe 80 PID 2472 wrote to memory of 2264 2472 2026-04-19_f05ce391ef190a4ca953011bc76b1b8f_amadey_elex_smoke-loader_stop.exe 81 PID 916 wrote to memory of 1584 916 nejuo.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-19_f05ce391ef190a4ca953011bc76b1b8f_amadey_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-19_f05ce391ef190a4ca953011bc76b1b8f_amadey_elex_smoke-loader_stop.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2472 -
C:\Users\Admin\AppData\Local\Temp\nejuo.exe"C:\Users\Admin\AppData\Local\Temp\nejuo.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:916 -
C:\Users\Admin\AppData\Local\Temp\fuybo.exe"C:\Users\Admin\AppData\Local\Temp\fuybo.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1584
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "2⤵
- System Location Discovery: System Language Discovery
PID:2264
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
- Size 358B
- SHA256 9bacfcc9e1f4b74b9516f91201f88084eacb67935f8ab3ceca195b064cddd4a9
- MD5 6fd4102d577fd8afc455e97c5a9de5dc
- SHA1 4671e128d9c304a82e8e637ba92296fdfa9ccbbf
- SHA512 8c30d74b0f58d55a2c5084b0768d3d8d1bf36bab5811e72d1d5aa5fa9acb4b8f313d9e6d8274c5b06f14ede8bdbbcdf5b6a07a6d4fd5be7f97644978a8eaec3c
- TLSH T1B9E0205185AFED6F010CD03B09F9694FC154985C3E433731B225CA6C72D000EF4DB202
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\fuybo.exe
- Size 201KB
- SHA256 03077398480f37f23b0e36ef48d9ef2e782e320ece4b940ad11bbb1830d55b89
- MD5 e681c46617836c53c2d0dd90597d5003
- SHA1 fa2d98779ce86af2fd5f0cdd4485e0f6b76d7688
- SHA512 b937c421b72ef1d9162e3f87b35b2afaf570df0f440b1d3314773d831c81855dfccef53ca18d844e1e610610538922b547b5b1bbaa78a12d558735eca81028ee
- SSDEEP 6144:WvVNKTWduZn4HXfDHHjpWVncWYSlYhluu/QtPn:WjgPZ4HvrHj436/In
- TLSH T1231401992A404CA8F3180F368467F2D04A668E3D55E4E60FF17CBC75583127BAA7728F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
- Size 512B
- SHA256 4735ad683601cba71d53e53d1a979d07057206407a400a8310d28905189dcc85
- MD5 3e122249f1f8a993f8d71b956494c3ca
- SHA1 6c64fbbf9bb11db113dca93c66b9d3d2ab29dfc0
- SHA512 125d5e51ad762ea72f6723c0e8095a1eb7786019a958b736f1672fa1e64403fbe43350a6c52999935ef76ca1bdcf6b42b107f80803a0cda2ecfb8f511a23b730
- TLSH T176F09BD710B5F5563612B723D3A40FDD23D34D5826474D584505B1319CB5C7C4414255
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nejuo.exe
- Size 583KB
- SHA256 a864a1aa2504cdd9446595161edef09a1f3b65b32b4b6534fa4c0a4b147a2792
- MD5 9e7a5beeb3091b22e886663d1a82affb
- SHA1 1137b6a46c2df72486aa79421267b21b76634264
- SHA512 8dbcaf0ab4df36eb3ba79266ae7572c928d959a103b7f339c71fbfef6165501706041d9ec425dc1a1fc9dd78565569ad4e6a49055fb4251d64c267f2ff4fbab0
- SSDEEP 6144:JajY1oC+/U8Vjlx4kk9HKda4L38c8hpdoSQbQFsrF1W/h84IrV7mMpH8zQW4jQwu:fOlx4kk9HKda4YJoSiQi4kVdcQzjkT
- TLSH T199C4CF213780C035E3B613328996E1B56A657D3456A4D68FF7A83E7A5E302C39A3734F
- MD5 SHA1 SHA512 SSDEEP TLSH