255cea8ba730fe19a0f0aa180e48c02796b7347e7c15e78988370d1d9aefeb90

General

Target
2026-10-21_7b1f2975b621be721b42809fcd5a9499_elex_wannacry.exe
Size 38KB
Sample261022-y89pssft71
SHA256 255cea8ba730fe19a0f0aa180e48c02796b7347e7c15e78988370d1d9aefeb90
MD5 7b1f2975b621be721b42809fcd5a9499
SHA1 86d058145d454c04eed0ea17e00dbe3596061767
SHA512 928f51748a3388096fe6c75821abb0ec7720aa007d0ffcb92b8eb95652c3492efa6145a32cd41514db8b7c1ec3fdecca96a88550406684f29bfced77c507ed31
SSDEEP 768:fZjIoksdZlOvrA9DvsLKDrnuIeQTls5SQ48NPKQHDFw/Bh2+aBr7:RjwsdXOvrA9DvsLKfuIbBskQ4nsFwSr7
TLSH
T1CB038D06BA41D123C28A84B0D03D67F58C3DEC7A8522249BD7747E2A387CD729962F6D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4908	vmplayer.exe
3156	vmplayer.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\vmplayer = "C:\\Users\\Admin\\AppData\\Local\\Mozilla\\vmplayer.exe -r"	vmplayer.exe

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
2684	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	vmplayer.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	vmplayer.exe

System Location Discovery: System Language Discovery 1 TTPs 7 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	vmplayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vmplayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-10-21_7b1f2975b621be721b42809fcd5a9499_elex_wannacry.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 4 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2684	cmd.exe
1204	PING.EXE
1284	PING.EXE
4112	PING.EXE

Runs ping.exe 1 TTPs 3 IoCs

Remote System Discovery

T1018

pid	Process
1204	PING.EXE
1284	PING.EXE
4112	PING.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 52 wrote to memory of 4908	52	2026-10-21_7b1f2975b621be721b42809fcd5a9499_elex_wannacry.exe	89
PID 4908 wrote to memory of 2572	4908	vmplayer.exe	90
PID 4908 wrote to memory of 2684	4908	vmplayer.exe	91
PID 2684 wrote to memory of 1204	2684	cmd.exe	93
PID 2684 wrote to memory of 1284	2684	cmd.exe	94
PID 2684 wrote to memory of 4112	2684	cmd.exe	95
PID 2684 wrote to memory of 3156	2684	cmd.exe	96
PID 3156 wrote to memory of 5728	3156	vmplayer.exe	97

C:\Users\Admin\AppData\Local\Temp\2026-10-21_7b1f2975b621be721b42809fcd5a9499_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-21_7b1f2975b621be721b42809fcd5a9499_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:52
- C:\Users\Admin\AppData\Local\Mozilla\vmplayer.exe
  "C:\Users\Admin\AppData\Local\Mozilla\vmplayer.exe" -r
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4908
- - C:\Windows\system32\pcaui.exe
    "C:\Windows\system32\pcaui.exe" -g {11111111-1111-1111-1111-111111111111} -x {43edc3a4-e400-4e09-bc67-4e0730eb5590} -a "VMware Workstation Pro" -v "VMware, Inc." -s "This app can't run because it causes security or performance issues on Windows. A new version may be available. Check with your software provider for an updated version that runs on this version of Windows." -n 1 -f 2109246 -k 0 -e "C:\Users\Admin\AppData\Local\Mozilla\vmplayer.exe"
    3⤵
    PID:2572
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 2&del "C:\Users\Admin\AppData\Local\Mozilla\vmplayer.exe"&ping 127.0.0.1 -n 2&rename "C:\Users\Admin\AppData\Local\Mozilla\00003F41" vmplayer.exe&ping 127.0.0.1 -n 2&"C:\Users\Admin\AppData\Local\Mozilla\vmplayer.exe" \r
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2684
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 2
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:1204
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 2
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:1284
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 2
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:4112
  - - C:\Users\Admin\AppData\Local\Mozilla\vmplayer.exe
      "C:\Users\Admin\AppData\Local\Mozilla\vmplayer.exe" \r
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Reads the TCP/IP host and domain name from the registry
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3156
    - - C:\Windows\system32\pcaui.exe
        
        "C:\Windows\system32\pcaui.exe" -g {11111111-1111-1111-1111-111111111111} -x {43edc3a4-e400-4e09-bc67-4e0730eb5590} -a "VMware Workstation Pro" -v "VMware, Inc." -s "This app can't run because it causes security or performance issues on Windows. A new version may be available. Check with your software provider for an updated version that runs on this version of Windows." -n 1 -f 2109246 -k 0 -e "C:\Users\Admin\AppData\Local\Mozilla\vmplayer.exe"
        5⤵
        
        PID:5728

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

2

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

00003F41

Path C:\Users\Admin\AppData\Local\Mozilla\00003F41
Size 38KB
SHA256 99c8122481cb0a478f9ffadb023e5ff69f90edbf878092a104f5b0c9577c125c
MD5 678bebc7d98b85fd06d83d2f04cb9f20
SHA1 7250a6b510f42ac4261793f92b1461e7fb7b4e8a
SHA512 da4d5df1df653e57e33d632dab3080e4d1b64622b3e61d11d0f5b7b69d4a78d2f5fad5f077c3eb7d21fe5dafb5710a1544ed23d59449cb55a0deea5d4391688b
SSDEEP 768:fZjIoksdZlOvrA9DvsLKDrnuIeQTls5SQ48NPKQHDFw/Bh2+aBrK:RjwsdXOvrA9DvsLKfuIbBskQ4nsFwSrK
TLSH
T137038D06BA41D123C28A84B0D03D67F58C3DEC7A8522249BD7747E2A387CD729962F6D
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

vmplayer.exe

Path C:\Users\Admin\AppData\Local\Mozilla\vmplayer.exe
Size 38KB
SHA256 255cea8ba730fe19a0f0aa180e48c02796b7347e7c15e78988370d1d9aefeb90
MD5 7b1f2975b621be721b42809fcd5a9499
SHA1 86d058145d454c04eed0ea17e00dbe3596061767
SHA512 928f51748a3388096fe6c75821abb0ec7720aa007d0ffcb92b8eb95652c3492efa6145a32cd41514db8b7c1ec3fdecca96a88550406684f29bfced77c507ed31
SSDEEP 768:fZjIoksdZlOvrA9DvsLKDrnuIeQTls5SQ48NPKQHDFw/Bh2+aBr7:RjwsdXOvrA9DvsLKfuIbBskQ4nsFwSr7
TLSH
T1CB038D06BA41D123C28A84B0D03D67F58C3DEC7A8522249BD7747E2A387CD729962F6D
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads