28c6b39fdd89ccefd89aa04a5e1583359c3f0e148e4db4e1567ee2071b38be23

Analysis

max time kernel
148s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
31/07/2026, 16:03

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General

Target
2026-07-31_fc24b18a37d1d9cdb1b26b377cb0054b_elex_wannacry.exe
Size 1.1MB
Sample260731-thdr8abk7x
SHA256 28c6b39fdd89ccefd89aa04a5e1583359c3f0e148e4db4e1567ee2071b38be23
MD5 fc24b18a37d1d9cdb1b26b377cb0054b
SHA1 b68b9b875e3ec458ab6b003b76b5b7c2d8b698f6
SHA512 535fb9cc1fc7e814c0f70003748efebbffe6c4cdb586a1c749ea373a52cb4c8279e06806eaf5d36931231290df39e21104b1d8547109599ed89ad1f86acd9608
SSDEEP 24576:99C0XrUMFDsTB6vGPG2LW+P+mzRe+rYsVbIhE4Y7eYAyFrNPz:99C0Xgfe2DRe+rZVbO2ePyFRPz
TLSH
T1DE352339B2038476E1580DB60F7DCC50AB7731794CB4A013D78886F79E7EAD6E13A686
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

discovery upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 2 IoCs

resource	yara_rule
behavioral2/memory/4992-0-0x0000000000400000-0x0000000000431000-memory.dmp	UPX
behavioral2/memory/4992-1-0x0000000000400000-0x0000000000431000-memory.dmp	UPX

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4992-0-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/4992-1-0x0000000000400000-0x0000000000431000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
6120	4992	WerFault.exe	88

System Location Discovery: System Language Discovery 1 TTPs 1 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	2026-07-31_fc24b18a37d1d9cdb1b26b377cb0054b_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2026-07-31_fc24b18a37d1d9cdb1b26b377cb0054b_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-31_fc24b18a37d1d9cdb1b26b377cb0054b_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4992
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 452
  2⤵
  - Program crash
  PID:6120

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4992 -ip 4992
1⤵
PID:2392

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

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Downloads

memory/4992-0-0x0000000000400000-0x0000000000431000-memory.dmp

Download

memory/4992-1-0x0000000000400000-0x0000000000431000-memory.dmp