f2c035247d60a41ce1b9e001b48f1d70afc183ec4d80dc5bda6c2229b954ed53

Analysis

max time kernel
149s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
21/07/2026, 01:28

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General

Target
2026-07-21_5313d88fdd6d1f7cdb8ac33f66e782ab_elex_wannacry.exe
Size 21.2MB
Sample260721-bvssssds21
SHA256 f2c035247d60a41ce1b9e001b48f1d70afc183ec4d80dc5bda6c2229b954ed53
MD5 5313d88fdd6d1f7cdb8ac33f66e782ab
SHA1 2fb493de0fe68675c5823cf621755a1abd6fa0d6
SHA512 683f19866c035459302ac8aa736848cb7a9d75813e34f81f730afb4cd6c464efb16e971a488c29aea5edd8c0f55de1138b8d542d240d90ab318ea80e6b554ae9
SSDEEP 3072:XxDC6Zlllllllllllllllllllllllllllllllllllllllllllllllllllllllll3:XxW6X
TLSH
T11227326E0B8AFE8AF0CFB81826D1D4EB11D92ED40B54F549ED9E158FD43E4EA904B04D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2156	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared Y\lsass.exe	2026-07-21_5313d88fdd6d1f7cdb8ac33f66e782ab_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared Y\lsass.exe	2026-07-21_5313d88fdd6d1f7cdb8ac33f66e782ab_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3900	2156	WerFault.exe	85

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	2026-07-21_5313d88fdd6d1f7cdb8ac33f66e782ab_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2684	2026-07-21_5313d88fdd6d1f7cdb8ac33f66e782ab_elex_wannacry.exe
2156	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2156	2684	2026-07-21_5313d88fdd6d1f7cdb8ac33f66e782ab_elex_wannacry.exe	85

C:\Users\Admin\AppData\Local\Temp\2026-07-21_5313d88fdd6d1f7cdb8ac33f66e782ab_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-21_5313d88fdd6d1f7cdb8ac33f66e782ab_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:2684
- C:\Program Files\Common Files\Microsoft Shared Y\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2156
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2156 -s 424
    3⤵
    - Program crash
    PID:3900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2156 -ip 2156
1⤵
PID:3556

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 Y\lsass.exe
Size 32.9MB
SHA256 9688fd16ca84ad4479a225708271301d7aac9ab074641f96a887d937cd45c138
MD5 6b8a7a6c51e3b522617dd7a5b0bff22f
SHA1 74d77567b33382754974b2d48e83d70ae3cacda1
SHA512 d40f27cc7494dd402078abbf18e8a0b7ec46b65f4e0e57ab8609e588911f5eb7becb25a6dc071d2410ed24ae40b16a621953ac9f10e0cc69e5207777f122fe14
SSDEEP 3072:XxDC6Zlllllllllllllllllllllllllllllllllllllllllllllllllllllllllq:XxW6K
TLSH
T12877B9AE1A8BBE9BF0CF94186AD5C4D722DA2FD00774E285D89F514FD03D9EA704602D
MD5 SHA1 SHA512 SSDEEP TLSH

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