55ea7f5c1d12559a28598c085b1b8176214c88c4280ad95d5823833cd834d03e

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
05/08/2026, 04:41

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General

Target
2026-08-05_e28ea9b3918ca2c6f267f5526935cbe5_elex_upatre_wannacry.exe
Size 24KB
Sample260805-fbcdxsdf29
SHA256 55ea7f5c1d12559a28598c085b1b8176214c88c4280ad95d5823833cd834d03e
MD5 e28ea9b3918ca2c6f267f5526935cbe5
SHA1 255743f10e83f02ca7edd232a1014733d7ef8434
SHA512 c91d172af552eb42b94239c316d290647e720a04bf0dfdf1aecb0b463b6bccdb17f8773c0b7187088856a44f31254637a323e943d2674d476c1cfe15d74a65e1
SSDEEP 384:S39CboZvr0qQbkTwhgVuzRbGczaNJawcudoD7Ubmj:StCc6qZKgVuz1NmnbcuyD7UQ
TLSH
T1FFB28D03AB894B94D45D107729FB760E43A2E3091B6986E76A9C31B78DC37C12D3C39B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

discovery upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
behavioral1/memory/3040-0-0x0000000000400000-0x000000000040C000-memory.dmp	UPX

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3040-0-0x0000000000400000-0x000000000040C000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1488	3040	WerFault.exe	85

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	2026-08-05_e28ea9b3918ca2c6f267f5526935cbe5_elex_upatre_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2026-08-05_e28ea9b3918ca2c6f267f5526935cbe5_elex_upatre_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-05_e28ea9b3918ca2c6f267f5526935cbe5_elex_upatre_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3040
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 220
  2⤵
  - Program crash
  PID:1488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3040 -ip 3040
1⤵
PID:2996

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

memory/3040-0-0x0000000000400000-0x000000000040C000-memory.dmp

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