b72927439bbce47d276792b485691ca1e74c4ce46420a736e719392949318fd9

Analysis

max time kernel
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, 15:55

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General

Target
2026-05-23_71c12e8c26bd8cf1643a194354202d75_elex_wannacry.exe
Size 1.2MB
Sample260523-tctlgsft4s
SHA256 b72927439bbce47d276792b485691ca1e74c4ce46420a736e719392949318fd9
MD5 71c12e8c26bd8cf1643a194354202d75
SHA1 386de7bc46815b0e3aed5fd761901e8344b78430
SHA512 e4bfc8e78370d4a00a1aa480f86b766d5b490fd2330ff8d007678353d7103dcc9338efa28b71cf4faca878b26704409fee0c42318f7bb32409a61c649696cff9
SSDEEP 24576:L9C0XrUMFDsTB6vGPG2LW+P+mzRe+rYsVbjVljQkaZkCJzi:L9C0Xgfe2DRe+rZVbjHGJzi
TLSH
T146553338F31398B5E0B50AB30B6D5DA0677672354C756007FF8D8A67AD3BAC2E235291
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/2572-0-0x0000000000400000-0x0000000000431000-memory.dmp	UPX
behavioral2/memory/2572-1-0x0000000000400000-0x0000000000431000-memory.dmp	UPX

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2572-0-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/2572-1-0x0000000000400000-0x0000000000431000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4376	2572	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_71c12e8c26bd8cf1643a194354202d75_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2026-05-23_71c12e8c26bd8cf1643a194354202d75_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-23_71c12e8c26bd8cf1643a194354202d75_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2572
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2572 -s 424
  2⤵
  - Program crash
  PID:4376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2572 -ip 2572
1⤵
PID:2504

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/2572-0-0x0000000000400000-0x0000000000431000-memory.dmp

Download

memory/2572-1-0x0000000000400000-0x0000000000431000-memory.dmp