25a734cd8eda0ed092114b65c54b19412408a142fb598157773c3907cad3be61

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
09/08/2026, 11:07

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General

Target
2026-08-09_7b402cdb1b66e89daa60fd1f505a904a_cobalt-strike_elex_njrat_wannacry.exe
Size 812KB
Sample260809-m7475sdr31
SHA256 25a734cd8eda0ed092114b65c54b19412408a142fb598157773c3907cad3be61
MD5 7b402cdb1b66e89daa60fd1f505a904a
SHA1 8ec8b78d0e0e7487bb70bac63009e2737741aee2
SHA512 e754494a1236232fafafbcc946577664850b9ac85feefaaa81299c84cb6730db4c122bb317426dea553a6eac3b201ec40a8b8e68deb9c9406f2656be927f685a
SSDEEP 6144:UJozC8XxzviAOkqI8ipZLu+c/eGn3TLS2bUR8EzWFPlpXSEuTtRj8gh2:UiCG6eqQHcWX2gqFPlpXSVZNPh2
TLSH
T1FE053A07FBE5ADE1EC73463C09B24A14673AFCB50A62C71B2258635D9E337808D65F62
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4716	iaecws.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\iaecws.exe	2026-08-09_7b402cdb1b66e89daa60fd1f505a904a_cobalt-strike_elex_njrat_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\iaecws.exe	2026-08-09_7b402cdb1b66e89daa60fd1f505a904a_cobalt-strike_elex_njrat_wannacry.exe

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	2026-08-09_7b402cdb1b66e89daa60fd1f505a904a_cobalt-strike_elex_njrat_wannacry.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	iaecws.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	iaecws.exe

C:\Users\Admin\AppData\Local\Temp\2026-08-09_7b402cdb1b66e89daa60fd1f505a904a_cobalt-strike_elex_njrat_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-09_7b402cdb1b66e89daa60fd1f505a904a_cobalt-strike_elex_njrat_wannacry.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:2592

C:\Windows\SysWOW64\iaecws.exe
C:\Windows\SysWOW64\iaecws.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:4716

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

iaecws.exe

Path C:\Windows\SysWOW64\iaecws.exe
Size 812KB
SHA256 25a734cd8eda0ed092114b65c54b19412408a142fb598157773c3907cad3be61
MD5 7b402cdb1b66e89daa60fd1f505a904a
SHA1 8ec8b78d0e0e7487bb70bac63009e2737741aee2
SHA512 e754494a1236232fafafbcc946577664850b9ac85feefaaa81299c84cb6730db4c122bb317426dea553a6eac3b201ec40a8b8e68deb9c9406f2656be927f685a
SSDEEP 6144:UJozC8XxzviAOkqI8ipZLu+c/eGn3TLS2bUR8EzWFPlpXSEuTtRj8gh2:UiCG6eqQHcWX2gqFPlpXSVZNPh2
TLSH
T1FE053A07FBE5ADE1EC73463C09B24A14673AFCB50A62C71B2258635D9E337808D65F62
MD5 SHA1 SHA512 SSDEEP TLSH

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