bca41926ef84a07c5d759d30c076a13f7ddf3d7a679a81bab5ae2b55b363c362

Analysis

max time kernel
149s
max time network
115s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
11/08/2026, 00:56

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General

Target
2026-08-10_c2532a06308213217c77ba2a936979dd_elex_wannacry.exe
Size 17.9MB
Sample260811-bavrnaxyfx
SHA256 bca41926ef84a07c5d759d30c076a13f7ddf3d7a679a81bab5ae2b55b363c362
MD5 c2532a06308213217c77ba2a936979dd
SHA1 0052e7bcaa798e239c034118cf78dd00ba45befe
SHA512 fc43ed0530484f09cd8aecf63b99711b823a685b4be280cbf92fc7855a33557432ba235c8c0a4f640fa2e8629a009586741ef638fac30183b7762425baa2203e
SSDEEP 768:zLPJznj7IMhrDTShWQSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSq:XxD7Ohd
TLSH
T16817663964A15C060C8E32C2EB7921D8DB1EDEF64CAA7D19AC643CE3F52B1A5B4F5305
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4572	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared T\lsass.exe	2026-08-10_c2532a06308213217c77ba2a936979dd_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared T\lsass.exe	2026-08-10_c2532a06308213217c77ba2a936979dd_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1616	4572	WerFault.exe	89

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-10_c2532a06308213217c77ba2a936979dd_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4092	2026-08-10_c2532a06308213217c77ba2a936979dd_elex_wannacry.exe
4572	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4092 wrote to memory of 4572	4092	2026-08-10_c2532a06308213217c77ba2a936979dd_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-10_c2532a06308213217c77ba2a936979dd_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-10_c2532a06308213217c77ba2a936979dd_elex_wannacry.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4092
- C:\Program Files\Common Files\Microsoft Shared T\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4572
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4572 -s 468
    3⤵
    - Program crash
    PID:1616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4572 -ip 4572
1⤵
PID:1160

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

lsass.exe

Path C:\Program Files\Common Files\Microsoft Shared T\lsass.exe
Size 30.7MB
SHA256 9b31c4a3c0c720522262c484ee34370d6762f2c87e9767cebf58df03fe0adeeb
MD5 4443c6b3377c5efdfa7eaeec6cb4801b
SHA1 080494f75cf94298d1982606d31c7dac2ffd50ca
SHA512 9faaa7e34cc3f4a08ab8b3323ed6473b2d36660899b18e1cdfb524cdfb5d42794ec78fc6b6c4acb0b5618860b04a84b8f0ca7b0a0cd67926b060e8e6782a686e
SSDEEP 768:zLPJznj7IMhrDTShWQSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS6:XxD7Ohl
TLSH
T10567DA2554A25E4118DE7A52FE7E11D8A33CE29548AB2E053CB93CF3E2A63F574B130D
MD5 SHA1 SHA512 SSDEEP TLSH

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