feeddd3f9416667d1809a7e9d76d35c1398833e2489a8603b544c66187a6fb3a

Analysis

max time kernel
150s
max time network
135s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
21/08/2026, 04:06

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General

Target
2026-08-21_a46f33877d05b3fcdd1138241d1f8bfb_elex_wannacry.exe
Size 48KB
Sample260821-eph8yssenh
SHA256 feeddd3f9416667d1809a7e9d76d35c1398833e2489a8603b544c66187a6fb3a
MD5 a46f33877d05b3fcdd1138241d1f8bfb
SHA1 dba0a98a87bf1675edcf6bbcd46618795c147169
SHA512 85a980e3d737cf5e58c9b3078fc214c56b2d8e89993f813a45ccab334b56fd50d69003c84ec40849e88a5748bd0950d4dd30daa5c3640e38932a3ae5c841f407
SSDEEP 768:ZHiG1ZmWSm0HIY5vprGG5znYsT3HeeymDS72mrJF5LFcMqiBplpdF:ZHD1zSmXYnr+n5yiBp
TLSH
T1F723F9128E80D06FC89115FBC4BA95FACF65FA90C3946BCF7F099BA11B041985F1369B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
964	keybd.exe
5044	keybd

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\keybd	keybd.exe
File created	C:\Windows\SysWOW64\keybd	keybd.exe
File opened for modification	C:\Windows\SysWOW64\keybd.exe	keybd.exe
File opened for modification	C:\Windows\SysWOW64\keybd	2026-08-21_a46f33877d05b3fcdd1138241d1f8bfb_elex_wannacry.exe
File created	C:\Windows\SysWOW64\keybd	2026-08-21_a46f33877d05b3fcdd1138241d1f8bfb_elex_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\keybd.exe	2026-08-21_a46f33877d05b3fcdd1138241d1f8bfb_elex_wannacry.exe

Drops file in Windows directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Windows\$NtUninstallKB900727$\LastFiles	2026-08-21_a46f33877d05b3fcdd1138241d1f8bfb_elex_wannacry.exe
File opened for modification	C:\Windows\$NtUninstallKB900727$\RecentFiles	2026-08-21_a46f33877d05b3fcdd1138241d1f8bfb_elex_wannacry.exe
File opened for modification	C:\Windows\$NtUninstallKB900727$	keybd.exe
File opened for modification	C:\Windows\$NtUninstallKB900727$\LastFiles	keybd.exe
File opened for modification	C:\Windows\$NtUninstallKB900727$\RecentFiles	keybd.exe
File opened for modification	C:\Windows\$NtUninstallKB900727$\FlashFiles	keybd
File opened for modification	C:\Windows\$NtUninstallKB900727$\RecentFiles	keybd
File opened for modification	C:\Windows\$NtUninstallKB900727$	2026-08-21_a46f33877d05b3fcdd1138241d1f8bfb_elex_wannacry.exe
File opened for modification	C:\Windows\$NtUninstallKB900727$\FlashFiles	2026-08-21_a46f33877d05b3fcdd1138241d1f8bfb_elex_wannacry.exe
File opened for modification	C:\Windows\$NtUninstallKB900727$\FlashFiles	keybd.exe
File opened for modification	C:\Windows\$NtUninstallKB900727$	keybd
File opened for modification	C:\Windows\$NtUninstallKB900727$\LastFiles	keybd

System Location Discovery: System Language Discovery 1 TTPs 3 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	keybd
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-21_a46f33877d05b3fcdd1138241d1f8bfb_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	keybd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 964	4696	2026-08-21_a46f33877d05b3fcdd1138241d1f8bfb_elex_wannacry.exe	90
PID 964 wrote to memory of 5044	964	keybd.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-08-21_a46f33877d05b3fcdd1138241d1f8bfb_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-21_a46f33877d05b3fcdd1138241d1f8bfb_elex_wannacry.exe"
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4696
- C:\Windows\SysWOW64\keybd.exe
  C:\Windows\system32\keybd
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:964
- - C:\Windows\SysWOW64\keybd
    C:\Windows\system32\keybd
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    PID:5044

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

keybd.exe

Path C:\Windows\SysWOW64\keybd.exe
Size 48KB
SHA256 feeddd3f9416667d1809a7e9d76d35c1398833e2489a8603b544c66187a6fb3a
MD5 a46f33877d05b3fcdd1138241d1f8bfb
SHA1 dba0a98a87bf1675edcf6bbcd46618795c147169
SHA512 85a980e3d737cf5e58c9b3078fc214c56b2d8e89993f813a45ccab334b56fd50d69003c84ec40849e88a5748bd0950d4dd30daa5c3640e38932a3ae5c841f407
SSDEEP 768:ZHiG1ZmWSm0HIY5vprGG5znYsT3HeeymDS72mrJF5LFcMqiBplpdF:ZHD1zSmXYnr+n5yiBp
TLSH
T1F723F9128E80D06FC89115FBC4BA95FACF65FA90C3946BCF7F099BA11B041985F1369B
MD5 SHA1 SHA512 SSDEEP TLSH

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