2de49f675b963a009f846fe929803661176300d58621ab5fa2cc720105aeff36

Analysis

max time kernel
150s
max time network
143s
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, 02:57

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General

Target
2026-08-05_8d110880f0d4c57c9a07867cbf043c44_elex_wannacry.exe
Size 7.6MB
Sample260805-dfry3awhnd
SHA256 2de49f675b963a009f846fe929803661176300d58621ab5fa2cc720105aeff36
MD5 8d110880f0d4c57c9a07867cbf043c44
SHA1 fd8280eeec18a9628d4936eca45e2a8b0ab4cf03
SHA512 c828b15bc0ed847b19d247ecfd58ee6efc6237d0519ffb1471ffd6202621e38bf9b37dc327c5df64191bfaebc703d37df2554d3fb4d88f6953a31e3e5a8b5ce5
SSDEEP 196608:Cmx0ifW2jZYL54zZ9UntTdRY2JECvGKvDKCcwyouRwk2OGQXQxzZ:Vkk/aRJJEC5i5lgxzZ
TLSH
T16386336D7287667AF38F3EB605332B73ECD6E6E00D10DA62AA04CDFE18161D432E9554
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2976	servbrow.exe
108	servbrow.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\servbrow.exe	2026-08-05_8d110880f0d4c57c9a07867cbf043c44_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_8d110880f0d4c57c9a07867cbf043c44_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	2976	servbrow.exe
Token: SeChangeNotifyPrivilege	2976	servbrow.exe
Token: SeIncreaseQuotaPrivilege	2976	servbrow.exe
Token: SeAssignPrimaryTokenPrivilege	2976	servbrow.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4720	2026-08-05_8d110880f0d4c57c9a07867cbf043c44_elex_wannacry.exe
2976	servbrow.exe
108	servbrow.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 108	2976	servbrow.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-08-05_8d110880f0d4c57c9a07867cbf043c44_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-05_8d110880f0d4c57c9a07867cbf043c44_elex_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4720

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:2976
- C:\Windows\servbrow.exe
  "C:\Windows\servbrow.exe" /Popup
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:108

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 eec96d13192b54a2ed86b5a50af21d2b31482a35d58a209522ed52477f9f1f19
MD5 6a23dbec3528f0a34f9e198f6f18fdeb
SHA1 b65cfc858348b0719445cb277f6bf73123c6e78a
SHA512 99233fc4d2304cc26106720ca3a60c2599f899c8e0b33a906380833a28a1092d3c2d71c2d5d53ee19ccf10ae10b8bbeb7044ec38a164188c6fa536d01ed0548d
SSDEEP 196608:A8zokkhx7e5FWYLZE6KkI+h/+Z/y7rKzBRcUTEwWXg:RzrVSHkI+hk/yHcVTE
TLSH
T15586331FB4424C16E098C372517AEED4EBC7B7245D2AE85F4EF82941A5B322C7A170DE
MD5 SHA1 SHA512 SSDEEP TLSH

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