d245ac4c1032b791107ef82c1c07b6753dff190bc5d38b801029bd00743559c8

Analysis

max time kernel
148s
max time network
121s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/08/2026, 18:45

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General

Target
2026-08-05_3eafb595cacba0b3d8569010b944139e_elex_wannacry.exe
Size 7.6MB
Sample260805-xee3naterc
SHA256 d245ac4c1032b791107ef82c1c07b6753dff190bc5d38b801029bd00743559c8
MD5 3eafb595cacba0b3d8569010b944139e
SHA1 2681b7210fe2d4f0233cb4f22d20cfb12e0978ff
SHA512 4fb0b32867434cd49b37839efe5527363a1a70d74079520e63964d105a3707573e399b427775c07aa777e754cab81e3dbc477014b62a8478fde91b6eed2d1438
SSDEEP 98304:C1b83SRh29bkHaKB2hqzppgtFev9LaF1syO7uTi57MTnx3frPHTbQSa0iyv2LcOV:vlbkHdB2Ypp+Fgyam7hzTB/zEvx
TLSH
T1C4863385BF10163FCD520B7157595B0DCABFED26BCFCD681D2A8494E9037818A38B2AD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
5160	servbrow.exe
3764	servbrow.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\servbrow.exe	2026-08-05_3eafb595cacba0b3d8569010b944139e_elex_wannacry.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	2026-08-05_3eafb595cacba0b3d8569010b944139e_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	servbrow.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	servbrow.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeTcbPrivilege	5160	servbrow.exe
Token: SeChangeNotifyPrivilege	5160	servbrow.exe
Token: SeIncreaseQuotaPrivilege	5160	servbrow.exe
Token: SeAssignPrimaryTokenPrivilege	5160	servbrow.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2704	2026-08-05_3eafb595cacba0b3d8569010b944139e_elex_wannacry.exe
5160	servbrow.exe
3764	servbrow.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5160 wrote to memory of 3764	5160	servbrow.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-08-05_3eafb595cacba0b3d8569010b944139e_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-05_3eafb595cacba0b3d8569010b944139e_elex_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2704

C:\Windows\servbrow.exe
"C:\Windows\servbrow.exe" /Service
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5160
- C:\Windows\servbrow.exe
  "C:\Windows\servbrow.exe" /Popup
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3764

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

servbrow.exe

Path C:\Windows\servbrow.exe
Size 7.6MB
SHA256 00868ba3086cb6fc30d0e85a4d6faf0e455c82e8165c3afc6bcacc7258d0595f
MD5 daf68acc577c1c67ea97bb5d579eaae5
SHA1 b2852226dbb48f24e96e0ba50e044883847fd317
SHA512 b1920fe6b4a01e2749926be97baaa63e542d9aa976f58e430f7eb61bfe450cddae69f48644542c7a89b2165c1e78ca5eea25f6b6632be9d55bbc189de8b3505f
SSDEEP 196608:q/vj8zokkhx7e5FWYLZE6KkI+h/+Z/y7rKzBRcUTEwWXg:q3YzrVSHkI+hk/yHcVTE
TLSH
T1F086332FB4514896D0DCC63351BBED949FC367604E3EEA4B4BE82482997226C7E170DE
MD5 SHA1 SHA512 SSDEEP TLSH

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