Analysis
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
12/09/2026, 22:48
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-09-12_7e9e5b4c729caa2b7334a0fbe648a7d3_elex_ramnit_wannacry.exe
Resource
win10v2004-20260911-en
13 signatures
150 seconds
General
- Target 2026-09-12_7e9e5b4c729caa2b7334a0fbe648a7d3_elex_ramnit_wannacry.exe
- Size 596KB
- Sample260912-2repwawhnc
- SHA256 878acd16f0058ec97f849c05d098799d3f1383cd1c05c21955d213a12107b7b9
- MD5 7e9e5b4c729caa2b7334a0fbe648a7d3
- SHA1 2fbfbf64c41a292bbe1a78202905e8639771de94
- SHA512 87e1aac814cad8bf2e85b921f440c16d9fabb42f9a9560af87d296c83f9dc15cbf1024e339e1d13b20a0ab4c5bd7ef42eb3f3033ebea74e26f948996ce46fbe5
- SSDEEP 12288:HGruf026ZlmR70Y/k9VS+LPMRsbcgx7CnS:auf0XoxUS+LkmR
- TLSH T17CD45A1639FCC73BE3D35530CE6CBB90B0F5B9684F21489736D4291C2A76986E31AA1D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/files/0x0007000000016b3a-4.dat UPX behavioral2/memory/3544-5-0x0000000000400000-0x000000000042E000-memory.dmp UPX behavioral2/memory/3544-7-0x0000000000400000-0x000000000042E000-memory.dmp UPX behavioral2/memory/1156-9-0x0000000000400000-0x000000000049A000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3544 2026-09-12_7e9e5b4c729caa2b7334a0fbe648a7d3_elex_ramnit_wannacrySrv.exe -
resource yara_rule behavioral2/files/0x0007000000016b3a-4.dat upx behavioral2/memory/3544-5-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/3544-7-0x0000000000400000-0x000000000042E000-memory.dmp upx - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
pid pid_target Process procid_target 4364 3544 WerFault.exe 88 - System Location Discovery: System Language Discovery 1 TTPs 2 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 2026-09-12_7e9e5b4c729caa2b7334a0fbe648a7d3_elex_ramnit_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-09-12_7e9e5b4c729caa2b7334a0fbe648a7d3_elex_ramnit_wannacrySrv.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\ 2026-09-12_7e9e5b4c729caa2b7334a0fbe648a7d3_elex_ramnit_wannacry.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1156 2026-09-12_7e9e5b4c729caa2b7334a0fbe648a7d3_elex_ramnit_wannacry.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeRestorePrivilege 1156 2026-09-12_7e9e5b4c729caa2b7334a0fbe648a7d3_elex_ramnit_wannacry.exe Token: 35 1156 2026-09-12_7e9e5b4c729caa2b7334a0fbe648a7d3_elex_ramnit_wannacry.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1156 wrote to memory of 3544 1156 2026-09-12_7e9e5b4c729caa2b7334a0fbe648a7d3_elex_ramnit_wannacry.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-12_7e9e5b4c729caa2b7334a0fbe648a7d3_elex_ramnit_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-12_7e9e5b4c729caa2b7334a0fbe648a7d3_elex_ramnit_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1156 -
C:\Users\Admin\AppData\Local\Temp\2026-09-12_7e9e5b4c729caa2b7334a0fbe648a7d3_elex_ramnit_wannacrySrv.exeC:\Users\Admin\AppData\Local\Temp\2026-09-12_7e9e5b4c729caa2b7334a0fbe648a7d3_elex_ramnit_wannacrySrv.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3544 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3544 -s 3323⤵
- Program crash
PID:4364
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3544 -ip 35441⤵PID:5764
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\2026-09-12_7e9e5b4c729caa2b7334a0fbe648a7d3_elex_ramnit_wannacrySrv.exe
- Size 111KB
- SHA256 08a295a1b3ba4d785f4ed83578140f0487c39dabc9be1bd58f2d2964aae0c9bd
- MD5 5dd494bb00db0e1f171b6829b2934b1d
- SHA1 988bdd488abc52f7e8baf4a94917b3e7e746358b
- SHA512 4e0bc50db898dd9c6b8eaeb2a29411655fec7710a557fbb0a2965a13e4e405ecc77f19094e21f185eab52ed669cd433d91465f3ab32e8ad6df965d605d62a487
- SSDEEP 1536:Q+hzRsibKplyXTq8OGRnsPFG+RODTb7MXL5uXZnzEYzdR4CfTJw1G5pciMGh7jZi:bROzoTq0+RO7IwnYYhR4cdwUxVjZM
- TLSH T18BB30258CF2D5322DF5305790098CF11CBB4EC429EEFA54EFEB8C426BA996193426798
- MD5 SHA1 SHA512 SSDEEP TLSH