Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-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) 6 IoCs
resource yara_rule behavioral1/memory/1084-0-0x0000000000400000-0x00000000004BF26D-memory.dmp UPX behavioral1/files/0x0008000000024341-7.dat UPX behavioral1/memory/4800-13-0x0000000000400000-0x00000000004BF26D-memory.dmp UPX behavioral1/memory/1084-15-0x0000000000400000-0x00000000004BF26D-memory.dmp UPX behavioral1/memory/4800-18-0x0000000000400000-0x00000000004BF26D-memory.dmp UPX behavioral1/memory/4800-39-0x0000000000400000-0x00000000004BF26D-memory.dmp UPX - Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2714754311-527593155-1440850301-1000\Control Panel\International\Geo\Nation 2026-04-19_f05ce391ef190a4ca953011bc76b1b8f_amadey_elex_smoke-loader_stop.exe Key value queried \REGISTRY\USER\S-1-5-21-2714754311-527593155-1440850301-1000\Control Panel\International\Geo\Nation gewug.exe - Executes dropped EXE 2 IoCs
pid Process 4800 gewug.exe 4108 ewhyg.exe -
resource yara_rule behavioral1/memory/1084-0-0x0000000000400000-0x00000000004BF26D-memory.dmp upx behavioral1/files/0x0008000000024341-7.dat upx behavioral1/memory/4800-13-0x0000000000400000-0x00000000004BF26D-memory.dmp upx behavioral1/memory/1084-15-0x0000000000400000-0x00000000004BF26D-memory.dmp upx behavioral1/memory/4800-18-0x0000000000400000-0x00000000004BF26D-memory.dmp upx behavioral1/memory/4800-39-0x0000000000400000-0x00000000004BF26D-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 ewhyg.exe 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 gewug.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe 4108 ewhyg.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 4108 ewhyg.exe Token: SeIncBasePriorityPrivilege 4108 ewhyg.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1084 wrote to memory of 4800 1084 2026-04-19_f05ce391ef190a4ca953011bc76b1b8f_amadey_elex_smoke-loader_stop.exe 84 PID 1084 wrote to memory of 1028 1084 2026-04-19_f05ce391ef190a4ca953011bc76b1b8f_amadey_elex_smoke-loader_stop.exe 85 PID 4800 wrote to memory of 4108 4800 gewug.exe 96
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⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1084 -
C:\Users\Admin\AppData\Local\Temp\gewug.exe"C:\Users\Admin\AppData\Local\Temp\gewug.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4800 -
C:\Users\Admin\AppData\Local\Temp\ewhyg.exe"C:\Users\Admin\AppData\Local\Temp\ewhyg.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4108
-
-
-
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:1028
-
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\ewhyg.exe
- Size 201KB
- SHA256 be421cfae2b3293d57f4a07f2cb450d79cdce3f2a7593af63af91dd76fa95e03
- MD5 a0632e8dcdee6615e25b2cb82a9d35d8
- SHA1 02873f27a2208f1b8f3a0731d22a180134299e7e
- SHA512 d49096c12c1addee8521503a080c6077cd27e00ab691a4ddb656b1ca8492b375dad46ab24a8a6de3e201b23210ea534244d576b21ee7e0722fe67280ff40898c
- SSDEEP 6144:WvVNKTWduZn4HXfDHHjpWVncWYSlYhluu/QtPeo:WjgPZ4HvrHj436/Ieo
- TLSH T1001401992A404CA8F3084F368467F2D049668E3D55E4E60FF57CBC75583127BAA7728F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\gewug.exe
- Size 583KB
- SHA256 ba9371a721f046ebac27e73f5b918a12a74d9221fb5fd95e33a1e8eae565e785
- MD5 44b6c679830cf88e97f5a223bc3cf8b7
- SHA1 b635d002aa20b586ebe35de1b736d48b7106a1cb
- SHA512 5ebc21261de9232eec22215ba1eba363c753ef8ad0416f28b22b311764302b4b797ab0ef35f8eabb49721d7cb14d1931fa83a04d5cad9475cc7e83a89e9b0408
- SSDEEP 6144:JajY1oC+/U8Vjlx4kk9HKda4L38c8hpdoSQbQFsrF1W/h84IrV7mMpH8zQW4jQwp:fOlx4kk9HKda4YJoSiQi4kVdcQzjkg
- TLSH T1CFC4CF213780C035E3B613328996E1B56A657D3456A4D68FF7A83E7A5E302C39A3734F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
- Size 512B
- SHA256 614ab2e453aaeffbcb2062e1cd0d83990bdf8a3d00ed5e018d7b5962a94ba945
- MD5 64379255670f1902214e6ade067ff85e
- SHA1 dc41f487154c7851b004a1d40a0d01cf49cc3a3c
- SHA512 81d993b00d807a3042e0729c4ca545ad35ab6e8bc8d7c096fad263e784024dd11ffe6ced6c37b06b98f9ad3b5fbc87a8f903734eae551c1b187bc6fb8c31c901
- TLSH T11BF04CD23055B1563612B636FB94179427974E5816434C544645F5B1CA36D6C4504255
- MD5 SHA1 SHA512 TLSH