Analysis
- max time kernel
149s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/11/2026, 17:05
Behavioral task
behavioral1
Sample
2026-11-01_7f3b443b4b56a49def6262dcbcb41d26_amadey_elex_smoke-loader_stop.exe
Resource
win10v2004-20260911-en
11 signatures
150 seconds
General
- Target 2026-11-01_7f3b443b4b56a49def6262dcbcb41d26_amadey_elex_smoke-loader_stop.exe
- Size 557KB
- Sample261103-vlsk8atxes
- SHA256 a4d8ac46410aabdd250fde57faf59381acf550f8c65e2bde4b396b1ace5d9a1f
- MD5 7f3b443b4b56a49def6262dcbcb41d26
- SHA1 2db790fbad8588c86cdb338852ae0b1c6c81fa25
- SHA512 dbac30f510994a5ed814b93a5102b89aabcc6b3091116cd7f46fdadef276035d404879aec31b781f92c09b8e7f1592c7579bda2ab1c568b67a7db665148dc639
- SSDEEP 12288:zccNvdRExZGe+Q1nSoS++43x+l7QLiaEyM:znPfQp9L3olqFM
- TLSH T1CDC4BF113790C072E3652B3509D6E6F55A69BC344A65D68FF6B83E3A5D301938A3B30F
- 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 behavioral2/memory/2248-0-0x0000000000400000-0x00000000004B6000-memory.dmp UPX behavioral2/files/0x000e00000001c467-6.dat UPX behavioral2/memory/3816-17-0x0000000000400000-0x00000000004B6000-memory.dmp UPX behavioral2/memory/2248-20-0x0000000000400000-0x00000000004B6000-memory.dmp UPX behavioral2/memory/3816-23-0x0000000000400000-0x00000000004B6000-memory.dmp UPX behavioral2/memory/3816-35-0x0000000000400000-0x00000000004B6000-memory.dmp UPX - Executes dropped EXE 2 IoCs
pid Process 3816 refuk.exe 6136 ujgod.exe -
resource yara_rule behavioral2/memory/2248-0-0x0000000000400000-0x00000000004B6000-memory.dmp upx behavioral2/files/0x000e00000001c467-6.dat upx behavioral2/memory/3816-17-0x0000000000400000-0x00000000004B6000-memory.dmp upx behavioral2/memory/2248-20-0x0000000000400000-0x00000000004B6000-memory.dmp upx behavioral2/memory/3816-23-0x0000000000400000-0x00000000004B6000-memory.dmp upx behavioral2/memory/3816-35-0x0000000000400000-0x00000000004B6000-memory.dmp upx - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 2396 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname refuk.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain refuk.exe - 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 2026-11-01_7f3b443b4b56a49def6262dcbcb41d26_amadey_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language refuk.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ujgod.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe 6136 ujgod.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2248 wrote to memory of 3816 2248 2026-11-01_7f3b443b4b56a49def6262dcbcb41d26_amadey_elex_smoke-loader_stop.exe 89 PID 2248 wrote to memory of 2396 2248 2026-11-01_7f3b443b4b56a49def6262dcbcb41d26_amadey_elex_smoke-loader_stop.exe 90 PID 3816 wrote to memory of 6136 3816 refuk.exe 93
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-11-01_7f3b443b4b56a49def6262dcbcb41d26_amadey_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-01_7f3b443b4b56a49def6262dcbcb41d26_amadey_elex_smoke-loader_stop.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2248 -
C:\Users\Admin\AppData\Local\Temp\refuk.exe"C:\Users\Admin\AppData\Local\Temp\refuk.exe"2⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3816 -
C:\Users\Admin\AppData\Local\Temp\ujgod.exe"C:\Users\Admin\AppData\Local\Temp\ujgod.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:6136
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:2396
-
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 ed93c902935df59299ca490f3260ad10d505d964aae3c7677b22248873a714f5
- MD5 224ea9c077b324d86f901715af2e09b8
- SHA1 80b37918a6eb4e90693abcbc2fe837504939eb46
- SHA512 b693ff19a56f249faf43cec91cc8f64a14621b469490713444898dd1777550877b481558acfa88a938b6061191a9cbd1f5c03ab51c56bf1f2b18ca865c85c0f3
- TLSH T1DCE0D802417BDE2E0904B0670ABA684D817095983F6F37287610C1CD62D181EBDD7306
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
- Size 512B
- SHA256 4b6f5ee2b20ea9ee1b3b1c5a10d0b14be9e1feda2e705b768366da9891f6da05
- MD5 de97419340fc768327de5297530482c0
- SHA1 a22c7e54ef69d268b0504ed8e77fd8022baa02ce
- SHA512 1671a8c11f7210b211765ad09ddfe1908cfd683a5d2aab9e7e1ccfeff3606ba80d655ccab0b849086656a18a372cf70ec717ce3de40e892088110d63a5274e68
- TLSH T119F04CDA1061A04A731AE522E294679A27930D486A475D881554B5704AB6C3C8494716
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\refuk.exe
- Size 558KB
- SHA256 257d4d543cda3d2ff76306fb6a10cde718bd8ac8999ab37e9665a7d5d3471566
- MD5 f548b011d6b6d47859ee4595937d5975
- SHA1 88e597c1dd42c472ed75fc758d4f9d8e17827dc2
- SHA512 37ad1016ca5d752efa693706e278ca77aa1c267b3535c8ce2cba11b22fce1e5bd1fab80d20de911e983a36f744ba5ce4f5fe2f382c9ffdfee6ef576d52d67a25
- SSDEEP 12288:zccNvdRExZGe+Q1nSoS++43x+l7QLiaEy7:znPfQp9L3olqF7
- TLSH T19FC4BF113B90C072E3652B3509D6E6F55A69BC344A65D68FF6B83E3A5D301938A3B30F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\ujgod.exe
- Size 194KB
- SHA256 4eab2af0ba25765463cd571f63f840bf4f84eec895ede20b25c995f2a38ba081
- MD5 33078192ed8f2973489e9ee637f50556
- SHA1 d7592720b00152f54d97158b0a652cad48ad81a1
- SHA512 2a90bbd23618627162b4f9c1f71df5f7754c24f799b68383687392d84b7e87459a8b9626dfaa26d2caed159907142fcbeae48cb08674229c51f4d2921320eed2
- SSDEEP 3072:NcqP9ytWHC2SJ1LNvnRqIregU6OaoY7VBL/pia1weyqEWDRmTUSt+m7hF:NcGeB2SJ1Laceg7fpBbpia1wkkn
- TLSH T11514E012A9154D94F36E0B315802FAE019A58D7C15E4E66FF23CBD32787A2970EBB14F
- MD5 SHA1 SHA512 SSDEEP TLSH