191e6f21cf09860332a6269cfacfdca61cd76e7a1ba8dcc60fec042210c823a4

Analysis

max time kernel
149s
max time network
141s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 08:31

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General

Target
2026-08-02_7028a57c27dae2a9b566cfc2558304e7_elex_upatre_wannacry.exe
Size 29KB
Sample260802-keyhsayeng
SHA256 191e6f21cf09860332a6269cfacfdca61cd76e7a1ba8dcc60fec042210c823a4
MD5 7028a57c27dae2a9b566cfc2558304e7
SHA1 7192051887f2a3e3123f8cbecc8ebba9d7b72082
SHA512 df44d54857654deab0058a4f7ff0f01ec7ca49b63670a9ac875c8cdf28228e4c2046891c763ab89f87afc6c08b5fd93e64c6c4bac2fe32673feee92cf6b7020b
SSDEEP 384:ytJWarmw0ypZfld14ZN8lHUvmeNvtKVKXDISYwtN:kJWaiw0yppxb+pdtFd
TLSH
T18DD2B7745BD61FB9F323CDB249F6928BA635BC61A623060F9050BB310833DB19B2DD95
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4220	fmujp.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	2026-08-02_7028a57c27dae2a9b566cfc2558304e7_elex_upatre_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fmujp.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5676 wrote to memory of 4220	5676	2026-08-02_7028a57c27dae2a9b566cfc2558304e7_elex_upatre_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-02_7028a57c27dae2a9b566cfc2558304e7_elex_upatre_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_7028a57c27dae2a9b566cfc2558304e7_elex_upatre_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5676
- C:\Users\Admin\AppData\Local\Temp\fmujp.exe
  "C:\Users\Admin\AppData\Local\Temp\fmujp.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4220

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

fmujp.exe

Path C:\Users\Admin\AppData\Local\Temp\fmujp.exe
Size 30KB
SHA256 dae116c896e10b032711bcdef1f936ab9a0ccdcf64d4bc5e36f8d663e73595e0
MD5 e261a4db6f81678a7b10a30ad83105ca
SHA1 240fd65d49d35e091c36a677bedec89295cd3d38
SHA512 a72a8651d1f7871363e94a1132edb4887c5b7b83c0dbea459d224f296ba266d52d75aa5f3f58599766e2208d883be3faede5c756280a464645df15b047044d31
SSDEEP 384:ytJWarmw0ypZfld14ZN8lHUvmeNvtKVKXDISYwtT:kJWaiw0yppxb+pdtFj
TLSH
T113D2B8745BD61EB9F323CDB249F6928BA635BC71A622060F9050BB310833DB19B2DD95
MD5 SHA1 SHA512 SSDEEP TLSH

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