ab53826bd25b302f8ab4fbc329450997f13ba1ffccd9801734b97dd39f729b99

Analysis

max time kernel
149s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
23/05/2026, 15:58

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General

Target
2026-05-23_76f9e0c8bfb86ffb7657b63db0438ba8_elex_wannacry.exe
Size 1.2MB
Sample260523-tekflaft9v
SHA256 ab53826bd25b302f8ab4fbc329450997f13ba1ffccd9801734b97dd39f729b99
MD5 76f9e0c8bfb86ffb7657b63db0438ba8
SHA1 dde0ee8483b0e2638042ba1c9ea8f1a7016ce41c
SHA512 36aa0d9a72fed70431c79895203790990eed8231d542a9a20d20cef7b1ca02a05d7b3b2f628f563e168fda8eb5de49d43ec3eb43c64f309c9ef8fb806c4a90b8
SSDEEP 24576:L9C0XrUMFDsTB6vGPG2LW+P+mzRe+rYsVbjVljQkaZkCVjlBFSSD:L9C0Xgfe2DRe+rZVbjHGdlBgSD
TLSH
T143552338F21340B1E1B50A730B6D29A06B7636390CB85107FB8AD57B9D7EBC7E139A51
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/1376-0-0x0000000000400000-0x0000000000431000-memory.dmp	UPX
behavioral2/memory/1376-1-0x0000000000400000-0x0000000000431000-memory.dmp	UPX

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1376-0-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/1376-1-0x0000000000400000-0x0000000000431000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4696	1376	WerFault.exe	79

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	2026-05-23_76f9e0c8bfb86ffb7657b63db0438ba8_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2026-05-23_76f9e0c8bfb86ffb7657b63db0438ba8_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-23_76f9e0c8bfb86ffb7657b63db0438ba8_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1376
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1376 -s 412
  2⤵
  - Program crash
  PID:4696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1376 -ip 1376
1⤵
PID:2924

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/1376-0-0x0000000000400000-0x0000000000431000-memory.dmp

Download

memory/1376-1-0x0000000000400000-0x0000000000431000-memory.dmp