stormser | 88593bea6421c60c644e93aa608e24fc308f2b23a238a77653ddfdb85cd3b1cd

General

Target
2026-07-06_05789b5f5a8ad86d18ecf405b7c5a612_elex_wannacry.exe
Size 59KB
Sample260707-geffesfz3p
SHA256 88593bea6421c60c644e93aa608e24fc308f2b23a238a77653ddfdb85cd3b1cd
MD5 05789b5f5a8ad86d18ecf405b7c5a612
SHA1 dbcd8eff4cf52524381078aa5d456662f7092c1f
SHA512 0eeb44daa6b73c067fbb0597316f3878efb23079701453ac0d8a4c89fd8356063557a13427a0fb22158fbfa13c76a7e2fc563ecb5427d8644d693ec59759cf0f
SSDEEP 192:vbOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqwVY04/CFxyNhoy5t:vbLwOs8AHsc4sMfwhKQLron4/CFsrd
TLSH
T1E34309834BEE9CF2F791117108794AB9927B99D4910EBEDFBF90CD150037292E53A10B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery 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 3 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c4c3-3.dat	family_stormser
behavioral2/files/0x000e00000001c4c4-6.dat	family_stormser
behavioral2/files/0x000f00000001c4c3-13.dat	family_stormser

Boot or Logon Autostart Execution: Active Setup 2 TTPs 6 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\{A061700B-5047-487c-9C4F-97B76B5293F9}\stubpath = "C:\\Windows\\{A061700B-5047-487c-9C4F-97B76B5293F9}.exe"	2026-07-06_05789b5f5a8ad86d18ecf405b7c5a612_elex_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{6C3F9C4D-7301-4e97-AD82-50646FB014D3}	{A061700B-5047-487c-9C4F-97B76B5293F9}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{6C3F9C4D-7301-4e97-AD82-50646FB014D3}\stubpath = "C:\\Windows\\{6C3F9C4D-7301-4e97-AD82-50646FB014D3}.exe"	{A061700B-5047-487c-9C4F-97B76B5293F9}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{6C6F196D-832B-468c-8121-31E83721A51B}	{6C3F9C4D-7301-4e97-AD82-50646FB014D3}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{6C6F196D-832B-468c-8121-31E83721A51B}\stubpath = "C:\\Windows\\{6C6F196D-832B-468c-8121-31E83721A51B}.exe"	{6C3F9C4D-7301-4e97-AD82-50646FB014D3}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A061700B-5047-487c-9C4F-97B76B5293F9}	2026-07-06_05789b5f5a8ad86d18ecf405b7c5a612_elex_wannacry.exe

Executes dropped EXE 4 IoCs

pid	Process
2272	{A061700B-5047-487c-9C4F-97B76B5293F9}.exe
3456	{6C3F9C4D-7301-4e97-AD82-50646FB014D3}.exe
1236	{6C6F196D-832B-468c-8121-31E83721A51B}.exe
1836	{6C6F196D-832B-468c-8121-31E83721A51B}.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\{A061700B-5047-487c-9C4F-97B76B5293F9}.exe	2026-07-06_05789b5f5a8ad86d18ecf405b7c5a612_elex_wannacry.exe
File created	C:\Windows\{6C3F9C4D-7301-4e97-AD82-50646FB014D3}.exe	{A061700B-5047-487c-9C4F-97B76B5293F9}.exe
File created	C:\Windows\{6C6F196D-832B-468c-8121-31E83721A51B}.exe	{6C3F9C4D-7301-4e97-AD82-50646FB014D3}.exe

System Location Discovery: System Language Discovery 1 TTPs 8 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	{A061700B-5047-487c-9C4F-97B76B5293F9}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{6C3F9C4D-7301-4e97-AD82-50646FB014D3}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{6C6F196D-832B-468c-8121-31E83721A51B}.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	{6C6F196D-832B-468c-8121-31E83721A51B}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-06_05789b5f5a8ad86d18ecf405b7c5a612_elex_wannacry.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4BFCC3A-DB2C-424C-B029-7FE99A87C641}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-515251955-468707340-1782030364-1000\{4A5BF077-6ED0-4997-AEC4-A8C2DA1DE796}	explorer.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3932	2026-07-06_05789b5f5a8ad86d18ecf405b7c5a612_elex_wannacry.exe
Token: SeIncBasePriorityPrivilege	2272	{A061700B-5047-487c-9C4F-97B76B5293F9}.exe
Token: SeIncBasePriorityPrivilege	3456	{6C3F9C4D-7301-4e97-AD82-50646FB014D3}.exe
Token: SeShutdownPrivilege	3784	explorer.exe
Token: SeCreatePagefilePrivilege	3784	explorer.exe
Token: SeShutdownPrivilege	3784	explorer.exe
Token: SeCreatePagefilePrivilege	3784	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2964	sihost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3932 wrote to memory of 2272	3932	2026-07-06_05789b5f5a8ad86d18ecf405b7c5a612_elex_wannacry.exe	87
PID 3932 wrote to memory of 4336	3932	2026-07-06_05789b5f5a8ad86d18ecf405b7c5a612_elex_wannacry.exe	88
PID 2272 wrote to memory of 3456	2272	{A061700B-5047-487c-9C4F-97B76B5293F9}.exe	89
PID 2272 wrote to memory of 3640	2272	{A061700B-5047-487c-9C4F-97B76B5293F9}.exe	90
PID 3456 wrote to memory of 1236	3456	{6C3F9C4D-7301-4e97-AD82-50646FB014D3}.exe	91
PID 3456 wrote to memory of 1076	3456	{6C3F9C4D-7301-4e97-AD82-50646FB014D3}.exe	92
PID 2964 wrote to memory of 3784	2964	sihost.exe	97
PID 3784 wrote to memory of 1836	3784	explorer.exe	98

C:\Users\Admin\AppData\Local\Temp\2026-07-06_05789b5f5a8ad86d18ecf405b7c5a612_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-06_05789b5f5a8ad86d18ecf405b7c5a612_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:3932
- C:\Windows\{A061700B-5047-487c-9C4F-97B76B5293F9}.exe
  C:\Windows\{A061700B-5047-487c-9C4F-97B76B5293F9}.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:2272
- - C:\Windows\{6C3F9C4D-7301-4e97-AD82-50646FB014D3}.exe
    C:\Windows\{6C3F9C4D-7301-4e97-AD82-50646FB014D3}.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:3456
  - - C:\Windows\{6C6F196D-832B-468c-8121-31E83721A51B}.exe
      C:\Windows\{6C6F196D-832B-468c-8121-31E83721A51B}.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:1236
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Windows\{6C3F9~1.EXE > nul
      4⤵
      System Location Discovery: System Language Discovery
      PID:1076
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\{A0617~1.EXE > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3640
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-0~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4336

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Windows\explorer.exe
  explorer.exe /LOADSAVEDWINDOWS
  2⤵
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3784
- - C:\Windows\{6C6F196D-832B-468c-8121-31E83721A51B}.exe
    "C:\Windows\{6C6F196D-832B-468c-8121-31E83721A51B}.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1836

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

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Downloads

{6C3F9C4D-7301-4e97-AD82-50646FB014D3}.exe

Path C:\Windows\{6C3F9C4D-7301-4e97-AD82-50646FB014D3}.exe
Size 59KB
SHA256 f833ec75333c3b8acfa04231f69ce0974d895de308fe47ea78ef21a8264c7eb7
MD5 0fe4e108183aa5f3919dea22074b2275
SHA1 f6f5441a0bfcec278cafce42b19f8a1622545753
SHA512 e9094ac1245d042281eca70a27b17b9a6527d9389226f36941919b64f7d342c334a073f40c982228056d3df674d95f1fc4ccf292c45a4c8ae1677ad858173588
SSDEEP 192:vbOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqweY04/CFxyNhoy5t:vbLwOs8AHsc4sMfwhKQLrok4/CFsrd
TLSH
T1EF4308834BEE9CF2F791113108798AB9927B99D4950EBEDFBF90CD150037292E53A10B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{6C6F196D-832B-468c-8121-31E83721A51B}.exe

Path C:\Windows\{6C6F196D-832B-468c-8121-31E83721A51B}.exe
Size 59KB
SHA256 4661fc398965d93009a44c16c5b37b6b8f77ea85c4022aa73682120cfc2c7e5b
MD5 70b3255f89feb1efb37b710739c20e94
SHA1 e3d622bc947321b76222d5c6ca2b763fa4e49433
SHA512 1fb0f4491cc19de7cb39769e4f8a3bdb5b53e68a108a177055ae3eb3bd47c2957ae79aaa6b64226ddb3ba74f629045434a6d6e0381e714fa3d3ea46df4e7decc
SSDEEP 192:vbOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqwGY04/CFxyNhoy5t:vbLwOs8AHsc4sMfwhKQLros4/CFsrd
TLSH
T11E43F8834BEE5CF2F791117108798AB9927B99D4950EBEDFBF90CD150037292E53A10B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{A061700B-5047-487c-9C4F-97B76B5293F9}.exe

Path C:\Windows\{A061700B-5047-487c-9C4F-97B76B5293F9}.exe
Size 59KB
SHA256 a2baa13538dddaa588ec9dda4a8a5305e2572e1a178fcd2bf1f4cc54cbaeb835
MD5 726e41aaa2c2500a54f7ef8d40ffabac
SHA1 599b5dcd4807d984382e4f409cbfc91ae5738b55
SHA512 8854113e7584b2dc7cf31ca9ae7387128220a2a97e7463564ab5063083ba95553f88ee6a7b3a688c9398ef1d1ad2fd9b4fa350477729ded494f10c4882d08dc6
SSDEEP 192:vbOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqw+5Y04/CFxyNhoy5t:vbLwOs8AHsc4sMfwhKQLro+L4/CFsrd
TLSH
T12943F8834BEE9CF2F791117108798AB9927B99D4950EBEDFBB90CD150037292E53A10B
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