3a74e81a8d47ba6123986cf82641ab9eb00a185e5769dbf6f37d6a509a572e82

Analysis

max time kernel
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/07/2026, 10:22

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General

Target
2026-07-04_8f5f2566305b2d62edc8b2f515af3b14_elex_wannacry.exe
Size 3.1MB
Sample260704-md97ash17p
SHA256 3a74e81a8d47ba6123986cf82641ab9eb00a185e5769dbf6f37d6a509a572e82
MD5 8f5f2566305b2d62edc8b2f515af3b14
SHA1 bf58b7758910fa975303bf12045ccf43715149e5
SHA512 447931024c9e697be4389b9fc9efe57a6c084d96957abece278b944017f71f55b99a13c62354c6831f96d6ac8ba050db9a03337686b2b64dc72f80591c0b5069
SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBy:EA
TLSH
T1ECE5B8F0F2BEA0785F5571B6AC6FC32321EB8985E344B3296B85D436BF80401685EED5
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
5564	lsass.exe

Executes dropped EXE 1 IoCs

pid	Process
5564	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Common Files\Microsoft Shared J\lsass.exe	2026-07-04_8f5f2566305b2d62edc8b2f515af3b14_elex_wannacry.exe
File created	C:\Program Files\Common Files\Microsoft Shared J\lsass.exe	2026-07-04_8f5f2566305b2d62edc8b2f515af3b14_elex_wannacry.exe

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	2026-07-04_8f5f2566305b2d62edc8b2f515af3b14_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
504	2026-07-04_8f5f2566305b2d62edc8b2f515af3b14_elex_wannacry.exe
5564	lsass.exe
5564	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 504 wrote to memory of 5564	504	2026-07-04_8f5f2566305b2d62edc8b2f515af3b14_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-04_8f5f2566305b2d62edc8b2f515af3b14_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-04_8f5f2566305b2d62edc8b2f515af3b14_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:504
- C:\Program Files\Common Files\Microsoft Shared J\lsass.exe
  1
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:5564

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 J\lsass.exe
Size 17.1MB
SHA256 e4d3fc273226246a5d76e53ee72bb12323944c61a6ffe282a3923b44485bafb8
MD5 756a45375355df83b274465523151624
SHA1 ed5d33b247bfeb2b22f5f5d7961d4ea816a977a4
SHA512 47a664a67c1300d5dca680b2becc5fea2f5da0eaa9796cb67cf219427376c9130e05bfc7119481b00c6b81616ffb4fda8365e6d95ea5fe166855e3707c93340a
SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBJ:E/
TLSH
T1710736DFAFFD2D6794D95AAB0F0ADA06B8D8D330E2F19F46B4809D2139409F33149859
MD5 SHA1 SHA512 SSDEEP TLSH

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SystemTemp_1

Path C:\SystemTemp_1
Size 95B
SHA256 65946a1c9563bbba2e03df02686830bc510bf9e57edc9da4d1f7d6735cf4ae3c
MD5 f8c22bf3f5d3871e5c28038957cfbd00
SHA1 06ef439f4104d91f01af9484ee1c490a5d5de5fe
SHA512 24149424609a98511b86f72091f4cb202b40b7c020afc718656dead4c0c979dc90011480acbd7a84875964ff64660238b4af119d010c3d453dbec70c90b3f003
TLSH
T1ADB0126072ADC72114C0A01B17F39408C191AC246F652F8443118D545B9245EFD80640
MD5 SHA1 SHA512 TLSH