ce6b5694cb1b28add1727f3a042800c75615247d370068529391a9c01e36dda3

Analysis

max time kernel
148s
max time network
127s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
30/10/2026, 02:01

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General

Target
2026-10-28_730fcebe958c6acc832a685bdfc62747_elex_nitol_remcos_wannacry.exe
Size 47KB
Sample261030-cf2ylavwat
SHA256 ce6b5694cb1b28add1727f3a042800c75615247d370068529391a9c01e36dda3
MD5 730fcebe958c6acc832a685bdfc62747
SHA1 42cfc2750da4fdeb344949a73c055249e6d9e37f
SHA512 cdb40d68a17db25d729956a1810f2b2bc9e2d4d8d072dd6da4f3f9b2df3bdfc4263d34224eee1a92e29427fd2053b3a35e3f2bc5907ec8a51e23143961aef720
SSDEEP 768:EvQ5qDLHRdw2iPSMEk/6KMvu571xuEMs96cyX1869/EEEEMeUM:EvQoLHjw2iWPKMvw71sMLyXuLM
TLSH
T169233B56ABC18592D572023858E5B3BB6D637C3D4A0DD605FF80BA8F6CB5D02EA3D903
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

defense_evasion discovery

Malware Config

Signatures

Detects Windows executables referencing non-Windows User-Agents 1 IoCs

resource	yara_rule
behavioral2/files/0x000600000001b856-1.dat	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Executes dropped EXE 1 IoCs

pid	Process
5176	nomhost.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\nomhost.exe	2026-10-28_730fcebe958c6acc832a685bdfc62747_elex_nitol_remcos_wannacry.exe
File opened for modification	C:\Windows\Debug\nomhost.exe	2026-10-28_730fcebe958c6acc832a685bdfc62747_elex_nitol_remcos_wannacry.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	nomhost.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	nomhost.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-10-28_730fcebe958c6acc832a685bdfc62747_elex_nitol_remcos_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nomhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	nomhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	nomhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4704	2026-10-28_730fcebe958c6acc832a685bdfc62747_elex_nitol_remcos_wannacry.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4704 wrote to memory of 5052	4704	2026-10-28_730fcebe958c6acc832a685bdfc62747_elex_nitol_remcos_wannacry.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-10-28_730fcebe958c6acc832a685bdfc62747_elex_nitol_remcos_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-28_730fcebe958c6acc832a685bdfc62747_elex_nitol_remcos_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4704
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\2026-1~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5052

C:\Windows\Debug\nomhost.exe
C:\Windows\Debug\nomhost.exe
1⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Checks processor information in registry
PID:5176

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

nomhost.exe

Path C:\Windows\debug\nomhost.exe
Size 48KB
SHA256 00d33d7bee01279c776a3bf8bcc74425846976a80b690736a1ee1a8a36116951
MD5 9c5988b15692b7963155e04afc13cdb7
SHA1 d17f27a963b9a927675af130638d43a54b929d50
SHA512 9009db8ceae2a4f1923fde693a3d1ffad19266d70dad0ad1a46bed7fd61292577b669b39c22470c8f8a8e28526f068a5e1dcd7fc84ea6c58cedfc01006d99188
SSDEEP 768:EvQ5qDLHRdw2iPSMEk/6KMvu571xuEMs96cyX1869/EEEEMeU2:EvQoLHjw2iWPKMvw71sMLyXuL2
TLSH
T165233B57ABC18592D572023858E5B3BB6E637C394A0DD605FF80BA8F5CB5902EA3D903
MD5 SHA1 SHA512 SSDEEP TLSH

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