d639502342ceeaa6ddd676babc0a1dc4d01083637e5794b436a1127f187dcf5d

Analysis

max time kernel
150s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
28/05/2026, 01:59

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General

Target
2026-05-28_58b2632200bdb9237648b9775624261f_elex_wannacry.exe
Size 16.0MB
Sample260528-cej2dse141
SHA256 d639502342ceeaa6ddd676babc0a1dc4d01083637e5794b436a1127f187dcf5d
MD5 58b2632200bdb9237648b9775624261f
SHA1 80b3da59500660314955859d1fe0e331baf56a5b
SHA512 5d929928813d95e87232a4bcb914995027083f266116933c4914f9ec1e638fe1344196b433ccd8d4b77824b0a60df71503dbdc57b1e4c5ebf844f19e6ae65a6c
SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB3:Et
TLSH
T1A3F631DB7B76808A12946AF38C6BE90819F2EB39FC77420CB7D9F5715B409E89D90344
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3588	lsass.exe

Executes dropped EXE 1 IoCs

pid	Process
3588	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared K\lsass.exe	2026-05-28_58b2632200bdb9237648b9775624261f_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared K\lsass.exe	2026-05-28_58b2632200bdb9237648b9775624261f_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	lsass.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-05-28_58b2632200bdb9237648b9775624261f_elex_wannacry.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4228	2026-05-28_58b2632200bdb9237648b9775624261f_elex_wannacry.exe
3588	lsass.exe
3588	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4228 wrote to memory of 3588	4228	2026-05-28_58b2632200bdb9237648b9775624261f_elex_wannacry.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-05-28_58b2632200bdb9237648b9775624261f_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-28_58b2632200bdb9237648b9775624261f_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:4228
- C:\Program Files\Common Files\Microsoft Shared K\lsass.exe
  1
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3588

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 K\lsass.exe
Size 27.6MB
SHA256 53b5aabb4ea53a983f3813af353d935fee4510cffb2cafd558c4ada32123a3b9
MD5 0be76d2ce6373a1ae99d8a0968f7aa10
SHA1 e107ab225981960302784ee75696e471031a7c37
SHA512 efba47b88601defe3cb0ad46e688061658eeda1807089de1102ce1d3aa76e5c4deb5c19f402e4eb5e7b7eb8beb301fb9f6208f969d45d8ca96799b25f778047c
SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBs:EK
TLSH
T13757DACA6BB558264B512BF6081F9F4818E2EB39EC7A520C6F5AF0B55770CEC8DE4344
MD5 SHA1 SHA512 SSDEEP TLSH

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SystemTemp_1

Path C:\SystemTemp_1
Size 95B
SHA256 176bc23926d62885703c8ea6d3d2e74bed4e1d124bfa12dc0f3262405434ff61
MD5 36ca40fb4d69a86141c6370e637dcbd7
SHA1 57af7a881fb9716a2536fa153fe42e4a26e41b86
SHA512 ca1b3ecbe49d38fe720d42321cec0916907e0861ec41ee12f1038eb0e362ab3785b3065c7e40ea7e6bc33401f6573b8f434ae9a88ff9698954ae53f2376638ab
TLSH
T16BB01210C0BA87561404A4131AF15A0D94717A0C1E051B010304EC4954C145AF585B01
MD5 SHA1 SHA512 TLSH