stormser | 2ea7bad05ed1c32991a2d885d738e23a9ce627b32cc3ce7db779458933cb0593

General

Target
2026-10-26_fa8eb4b21c93505917e00e9058cc5aba_elex_wannacry.exe
Size 60KB
Sample261027-bs75pscd57
SHA256 2ea7bad05ed1c32991a2d885d738e23a9ce627b32cc3ce7db779458933cb0593
MD5 fa8eb4b21c93505917e00e9058cc5aba
SHA1 71b1f8738c34395899720e66858924cfedf7e84a
SHA512 3298191955b669ad2ac8004d5adff92b6613a1e89b58695d752c163d0cdb0399681acc0bb81394a680b66b785c4a97af91a3d5cd77bd4edf668c47f65869a807
SSDEEP 192:pbOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqwHY04/CFxyNhoy5t:pbLwOs8AHsc4sMfwhKQLro54/CFsrd
TLSH
T1B95308834BDE9CF2F791123108798AB9927B99C4950EBEDFBB90CD154037292E53A10B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution stormser persistence worm

Malware Config

Signatures

Family: Stormser, StormDDoS, StormAttack, Stormer
Stormser aka StormDDoS, StormAttack, and Stormer is a Windows worm written in C++.
worm stormser

Detects Stormser aka Storm DDoS and StormAttack 4 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001698f-2.dat	family_stormser
behavioral1/files/0x001400000001b359-6.dat	family_stormser
behavioral1/files/0x000b00000001dbf0-11.dat	family_stormser
behavioral1/files/0x001500000001b359-14.dat	family_stormser

Boot or Logon Autostart Execution: Active Setup 2 TTPs 8 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{60808D8B-0BBC-4e88-A18A-0B0D4C961D1B}\stubpath = "C:\\Windows\\{60808D8B-0BBC-4e88-A18A-0B0D4C961D1B}.exe"	{B701AA29-9A6B-4a20-BE46-579A7D20D9EC}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{C6410C62-2F0A-47a3-A976-40CD8B3B3A4F}	2026-10-26_fa8eb4b21c93505917e00e9058cc5aba_elex_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{C6410C62-2F0A-47a3-A976-40CD8B3B3A4F}\stubpath = "C:\\Windows\\{C6410C62-2F0A-47a3-A976-40CD8B3B3A4F}.exe"	2026-10-26_fa8eb4b21c93505917e00e9058cc5aba_elex_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{B4CCD7AD-CEB2-4cbe-B718-F3A87028B02C}	{C6410C62-2F0A-47a3-A976-40CD8B3B3A4F}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{B4CCD7AD-CEB2-4cbe-B718-F3A87028B02C}\stubpath = "C:\\Windows\\{B4CCD7AD-CEB2-4cbe-B718-F3A87028B02C}.exe"	{C6410C62-2F0A-47a3-A976-40CD8B3B3A4F}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{B701AA29-9A6B-4a20-BE46-579A7D20D9EC}	{B4CCD7AD-CEB2-4cbe-B718-F3A87028B02C}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{B701AA29-9A6B-4a20-BE46-579A7D20D9EC}\stubpath = "C:\\Windows\\{B701AA29-9A6B-4a20-BE46-579A7D20D9EC}.exe"	{B4CCD7AD-CEB2-4cbe-B718-F3A87028B02C}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{60808D8B-0BBC-4e88-A18A-0B0D4C961D1B}	{B701AA29-9A6B-4a20-BE46-579A7D20D9EC}.exe

Executes dropped EXE 4 IoCs

pid	Process
1260	{C6410C62-2F0A-47a3-A976-40CD8B3B3A4F}.exe
1684	{B4CCD7AD-CEB2-4cbe-B718-F3A87028B02C}.exe
2056	{B701AA29-9A6B-4a20-BE46-579A7D20D9EC}.exe
3576	{60808D8B-0BBC-4e88-A18A-0B0D4C961D1B}.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\{C6410C62-2F0A-47a3-A976-40CD8B3B3A4F}.exe	2026-10-26_fa8eb4b21c93505917e00e9058cc5aba_elex_wannacry.exe
File created	C:\Windows\{B4CCD7AD-CEB2-4cbe-B718-F3A87028B02C}.exe	{C6410C62-2F0A-47a3-A976-40CD8B3B3A4F}.exe
File created	C:\Windows\{B701AA29-9A6B-4a20-BE46-579A7D20D9EC}.exe	{B4CCD7AD-CEB2-4cbe-B718-F3A87028B02C}.exe
File created	C:\Windows\{60808D8B-0BBC-4e88-A18A-0B0D4C961D1B}.exe	{B701AA29-9A6B-4a20-BE46-579A7D20D9EC}.exe

Executes a command shell one-liner 1 TTPs 4 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
3756	cmd.exe
4308	cmd.exe
4136	cmd.exe
4208	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	2026-10-26_fa8eb4b21c93505917e00e9058cc5aba_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{C6410C62-2F0A-47a3-A976-40CD8B3B3A4F}.exe
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	{B701AA29-9A6B-4a20-BE46-579A7D20D9EC}.exe
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	{B4CCD7AD-CEB2-4cbe-B718-F3A87028B02C}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{60808D8B-0BBC-4e88-A18A-0B0D4C961D1B}.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4960	2026-10-26_fa8eb4b21c93505917e00e9058cc5aba_elex_wannacry.exe
Token: SeIncBasePriorityPrivilege	1260	{C6410C62-2F0A-47a3-A976-40CD8B3B3A4F}.exe
Token: SeIncBasePriorityPrivilege	1684	{B4CCD7AD-CEB2-4cbe-B718-F3A87028B02C}.exe
Token: SeIncBasePriorityPrivilege	2056	{B701AA29-9A6B-4a20-BE46-579A7D20D9EC}.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 1260	4960	2026-10-26_fa8eb4b21c93505917e00e9058cc5aba_elex_wannacry.exe	94
PID 4960 wrote to memory of 3756	4960	2026-10-26_fa8eb4b21c93505917e00e9058cc5aba_elex_wannacry.exe	95
PID 1260 wrote to memory of 1684	1260	{C6410C62-2F0A-47a3-A976-40CD8B3B3A4F}.exe	96
PID 1260 wrote to memory of 4308	1260	{C6410C62-2F0A-47a3-A976-40CD8B3B3A4F}.exe	97
PID 1684 wrote to memory of 2056	1684	{B4CCD7AD-CEB2-4cbe-B718-F3A87028B02C}.exe	105
PID 1684 wrote to memory of 4136	1684	{B4CCD7AD-CEB2-4cbe-B718-F3A87028B02C}.exe	106
PID 2056 wrote to memory of 3576	2056	{B701AA29-9A6B-4a20-BE46-579A7D20D9EC}.exe	108
PID 2056 wrote to memory of 4208	2056	{B701AA29-9A6B-4a20-BE46-579A7D20D9EC}.exe	109

C:\Users\Admin\AppData\Local\Temp\2026-10-26_fa8eb4b21c93505917e00e9058cc5aba_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-26_fa8eb4b21c93505917e00e9058cc5aba_elex_wannacry.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Windows\{C6410C62-2F0A-47a3-A976-40CD8B3B3A4F}.exe
  C:\Windows\{C6410C62-2F0A-47a3-A976-40CD8B3B3A4F}.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1260
- - C:\Windows\{B4CCD7AD-CEB2-4cbe-B718-F3A87028B02C}.exe
    C:\Windows\{B4CCD7AD-CEB2-4cbe-B718-F3A87028B02C}.exe
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Executes dropped EXE
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1684
  - - C:\Windows\{B701AA29-9A6B-4a20-BE46-579A7D20D9EC}.exe
      C:\Windows\{B701AA29-9A6B-4a20-BE46-579A7D20D9EC}.exe
      4⤵
      Boot or Logon Autostart Execution: Active Setup
      Executes dropped EXE
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2056
    - - C:\Windows\{60808D8B-0BBC-4e88-A18A-0B0D4C961D1B}.exe
        
        C:\Windows\{60808D8B-0BBC-4e88-A18A-0B0D4C961D1B}.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:3576
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c del C:\Windows\{B701A~1.EXE > nul
        5⤵
        Executes a command shell one-liner
        System Location Discovery: System Language Discovery
        
        PID:4208
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Windows\{B4CCD~1.EXE > nul
      4⤵
      Executes a command shell one-liner
      System Location Discovery: System Language Discovery
      PID:4136
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\{C6410~1.EXE > nul
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:4308
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-1~1.EXE > nul
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:3756

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

Active Setup

1

T1547.014

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Active Setup

1

T1547.014

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

{60808D8B-0BBC-4e88-A18A-0B0D4C961D1B}.exe

Path C:\Windows\{60808D8B-0BBC-4e88-A18A-0B0D4C961D1B}.exe
Size 60KB
SHA256 d45b2da052982c7dc8b771aea6f5b5b0723a87d5cdfced5b179f24b65999bf4c
MD5 48241c01cb0c35954cc7ff083ff5ddab
SHA1 1db59c1ad5a0d3b5adb73f432d0e9f4e0d23f419
SHA512 84ed5714877bbe556c5d9abaef9f7221bf2b1ab27518b796642181a08113ec90924927198bf5cc1fd8b4b2e5a229791422e58b7d3d6adc31153a70c83bd7446a
SSDEEP 192:pbOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqw/Y04/CFxyNhoy5t:pbLwOs8AHsc4sMfwhKQLrox4/CFsrd
TLSH
T1855309834BDE5CF2F791117108798AB9927B99C4950EBEDFBF90CD154037292E53A10B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{B4CCD7AD-CEB2-4cbe-B718-F3A87028B02C}.exe

Path C:\Windows\{B4CCD7AD-CEB2-4cbe-B718-F3A87028B02C}.exe
Size 60KB
SHA256 7af8ef504ba664b95ac48fc394e34e8cfb913be7b0055dd3c2f4c37e9fd190c8
MD5 a9d7ef8464dede308cb7a9fb98c07180
SHA1 e68d379de53bd4730558e982c72e04ad8e33e7f6
SHA512 172dfbeb723e4ed96de48c105fafe5c85c43c0bcf2e0e70a87af1cf07dda45612e6d3e3eb3dea3167b3fbcfa198823e5f6be8b12726d65f80dd95fb850e287b5
SSDEEP 192:pbOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqwjVWY04/CFxyNhoy5t:pbLwOs8AHsc4sMfwhKQLroa4/CFsrd
TLSH
T1EA53F8834BEE5CF2F691117108798AB9927B99C4950EBEDFBB90CD154037292E53A10B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{B701AA29-9A6B-4a20-BE46-579A7D20D9EC}.exe

Path C:\Windows\{B701AA29-9A6B-4a20-BE46-579A7D20D9EC}.exe
Size 60KB
SHA256 88ec6f25f0e0ccf716be94c985a1009547209e7a1bf19fb9c9b3e3e4ed7ae48a
MD5 8c2bbca8aa152c65ab2d9204387ae8fc
SHA1 c5dd6fbd1a67436e5f07eb0d5d789003dc0d57b9
SHA512 101bede22a755aa1a619ccb23cd3c5b4bc7c118291436061f56481a5f810cb9ac5aa4b0a8c1515a81a155c5c6adf14833de23c0140c4f1ce287725cc9057ebf5
SSDEEP 192:pbOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqwm4Y04/CFxyNhoy5t:pbLwOs8AHsc4sMfwhKQLroB4/CFsrd
TLSH
T1C15308834BEE5CF2F791113108798AB9927B99C4950EBEDFBF90CD150037292E53A10B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{C6410C62-2F0A-47a3-A976-40CD8B3B3A4F}.exe

Path C:\Windows\{C6410C62-2F0A-47a3-A976-40CD8B3B3A4F}.exe
Size 60KB
SHA256 5ab2051af974eb79a782f3bea6e2c7b0d0db8651914e92a9c567af903cbeecea
MD5 c4cad55e235de80cd4d1e17e5fbfefa2
SHA1 c5efdc36d30a0fa104a30df510b8656c904f947c
SHA512 a1566e62573c7abb76ba6292159902f111c0bf42df5bd81ebd245690037f97cd03a3a61ea8a870fb83fec9a413f581c1595a26476b2be279cbe3403b005156f5
SSDEEP 192:pbOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqwsY04/CFxyNhoy5t:pbLwOs8AHsc4sMfwhKQLroa4/CFsrd
TLSH
T1D85308834BEE5CF2F791123108798AB9927B99D4950EBEDFBF90CD150037292E53A10B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads