cd33eec3edcf4125031b1dee04d854f236722b0e9a2837a8d6679c34a673db13

General

Target
2026-08-25_efa91e8d80b8e5a0e33f168630cbd58f_elex_wannacry.exe
Size 24KB
Sample260826-djs1jabe63
SHA256 cd33eec3edcf4125031b1dee04d854f236722b0e9a2837a8d6679c34a673db13
MD5 efa91e8d80b8e5a0e33f168630cbd58f
SHA1 a3bb7654c28f762852ae3f63327a65fa5fd89412
SHA512 e379cf89bf31ac6992e9d92e6b5256ad0537310faf22cafb8c7eb1269e8ca4419be69d10c7e5328e1bbec368d9029132aafeb3b97c94f29e9c4a0e691476c647
SSDEEP 384:E3pES+/xwGkRKJv2DlM61qmTTMVF9/q5z40:fS+ZfbJvuO8qYoAV
TLSH
T1EBB22A1FA38545F1EBD582301DAF1BBEE56ABC62472986931B20EF1D1C31660D9363CE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3576	spoolsv.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Start GeekBuddy = "C:\\Program Files\\Common Files\\Microsoft Shared\\Web Folders\\1033\\spoolsv.exe"	2026-08-25_efa91e8d80b8e5a0e33f168630cbd58f_elex_wannacry.exe

Discovers running processes 1 TTPs 1 IoCs

Running process information can be used to identify security tools or plan follow-on actions.

discovery

Process Discovery

T1057

pid	Process
3580	tasklist.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared\Web Folders\1033\spoolsv.exe	2026-08-25_efa91e8d80b8e5a0e33f168630cbd58f_elex_wannacry.exe

Executes a command shell one-liner 1 TTPs 2 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
4204	cmd.exe
4896	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 9 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasklist.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-25_efa91e8d80b8e5a0e33f168630cbd58f_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NETSTAT.EXE

Gathers network information 2 TTPs 2 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
3300	ipconfig.exe
1276	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3580	tasklist.exe
Token: SeDebugPrivilege	1276	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3928	2026-08-25_efa91e8d80b8e5a0e33f168630cbd58f_elex_wannacry.exe
3928	2026-08-25_efa91e8d80b8e5a0e33f168630cbd58f_elex_wannacry.exe
3576	spoolsv.exe
3576	spoolsv.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3928 wrote to memory of 4896	3928	2026-08-25_efa91e8d80b8e5a0e33f168630cbd58f_elex_wannacry.exe	89
PID 4896 wrote to memory of 4204	4896	cmd.exe	91
PID 4896 wrote to memory of 3300	4896	cmd.exe	92
PID 4896 wrote to memory of 3580	4896	cmd.exe	93
PID 4896 wrote to memory of 5384	4896	cmd.exe	97
PID 5384 wrote to memory of 4464	5384	net.exe	98
PID 4896 wrote to memory of 1276	4896	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\2026-08-25_efa91e8d80b8e5a0e33f168630cbd58f_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-25_efa91e8d80b8e5a0e33f168630cbd58f_elex_wannacry.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3928
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ver >c:\windows\temp\flash.log & cmd /c set >>c:\windows\temp\flash.log & ipconfig /all >>c:\windows\temp\flash.log & tasklist >>c:\windows\temp\flash.log & net start>>c:\windows\temp\flash.log & netstat -an >>c:\windows\temp\flash.log
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4896
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:4204
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - System Location Discovery: System Language Discovery
    - Gathers network information
    PID:3300
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Discovers running processes
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:3580
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5384
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      System Location Discovery: System Language Discovery
      PID:4464
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - System Location Discovery: System Language Discovery
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:1276

C:\Program Files\Common Files\Microsoft Shared\Web Folders\1033\spoolsv.exe
"C:\Program Files\Common Files\Microsoft Shared\Web Folders\1033\spoolsv.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3576

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

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

Process Discovery

1

T1057

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

spoolsv.exe

Path C:\Program Files\Common Files\microsoft shared\Web Folders\1033\spoolsv.exe
Size 24KB
SHA256 00632d70b1658dc53baef632051f3f21bd92b972ca8692f28a776d0a90369465
MD5 c3992c0b4d5818ab3bf710e9830539e2
SHA1 d838abfcaa22fe58359843dd6ae42a6b6e6e7f15
SHA512 300b84caa897cc46a420d244edbda1aab89395424c0359167010279a3e88f706fcfa041b4db1958f441e623bec58d9054c082556557f4966a2b390ee0f556661
SSDEEP 384:E3pES+/xwGkRKJgKwNlM61qmTTMVF9/q5L40:fS+ZfbJCO8qYoA9
TLSH
T1FBB23B1FA7CA41F0EBD5813019AB1ABEE567BC62472986931B20EB1D1C31770D6363CE
MD5 SHA1 SHA512 SSDEEP TLSH

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flash.log

Path \??\c:\windows\temp\flash.log
Size 14KB
SHA256 1f01963828b3b3ca89a1aca88dec1cb60a2176ac97630612f8d23626a432b296
MD5 39480b63f243bd1b23a97c50ed728259
SHA1 a1ebdaf3508cedd75ffc6a5078758c91e33d35fb
SHA512 c049b9f12b04096dd63da332278d4c4883b6232ea43106f6cf5ebbeff943b30d3771f8831cee8ff45bd4d666d3df1112d11d44daaf38891271c5fbf07442d699
SSDEEP 384:ZmVVApeT7a8Kv9gyaEow31E1Nkf13MuzN9z+KdGBQuEjO/fz/SRZTf/h9QHiFiEA:0MeT7a8Kv9gyaEow31E1Nkf13MuzN9zC
TLSH
T1E6529541459F60EC637987963E178022E79D5502346EECD83EDE0498ABF8F1CA7EB560
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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