stormser | 96bdd1260214a146acc44c86edc66b75f34639b48b554921aa3717ac51fdc86c

General

Target
2026-07-07_f46f0cc776f0bd90a4369e0d60b0fda4_elex_wannacry.exe
Size 60KB
Sample260707-sr8taagy8p
SHA256 96bdd1260214a146acc44c86edc66b75f34639b48b554921aa3717ac51fdc86c
MD5 f46f0cc776f0bd90a4369e0d60b0fda4
SHA1 715b0e255b3a8d0459fb684faddf0d1a1e46a5b7
SHA512 4ce342010b0fb4df4ac5e058943e899a0dea908cd1e9554682acec0146a62c5738920ff88a28c4033627621301314bdcdbbdab9f04d02350e0b1fcc0c35e8249
SSDEEP 192:vbOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqwGY04/CFxyNhoy5t:vbLwOs8AHsc4sMfwhKQLros4/CFsrd
TLSH
T19553F7834BEE9CF2F691113108798AB9927B99D4950EBE9FBF90CD150037292E53A10B
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 5 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c44f-3.dat	family_stormser
behavioral2/files/0x000e00000001c450-6.dat	family_stormser
behavioral2/files/0x000f00000001c44f-13.dat	family_stormser
behavioral2/files/0x000f00000001c450-18.dat	family_stormser
behavioral2/files/0x001200000001c452-23.dat	family_stormser

Boot or Logon Autostart Execution: Active Setup 2 TTPs 10 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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{68907205-5DB7-4c48-9586-4706C98D739A}	2026-07-07_f46f0cc776f0bd90a4369e0d60b0fda4_elex_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{68907205-5DB7-4c48-9586-4706C98D739A}\stubpath = "C:\\Windows\\{68907205-5DB7-4c48-9586-4706C98D739A}.exe"	2026-07-07_f46f0cc776f0bd90a4369e0d60b0fda4_elex_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{8218700A-F5F7-4ddf-931C-6099B7F0B64D}	{43CB2AA3-878A-4ab4-A135-022210D42055}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F5BAE2CD-9534-4804-978C-D81CF0E79ECF}\stubpath = "C:\\Windows\\{F5BAE2CD-9534-4804-978C-D81CF0E79ECF}.exe"	{8218700A-F5F7-4ddf-931C-6099B7F0B64D}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{AE040A77-05C7-4db3-A514-96FDC95B17F6}	{F5BAE2CD-9534-4804-978C-D81CF0E79ECF}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{43CB2AA3-878A-4ab4-A135-022210D42055}	{68907205-5DB7-4c48-9586-4706C98D739A}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{43CB2AA3-878A-4ab4-A135-022210D42055}\stubpath = "C:\\Windows\\{43CB2AA3-878A-4ab4-A135-022210D42055}.exe"	{68907205-5DB7-4c48-9586-4706C98D739A}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{8218700A-F5F7-4ddf-931C-6099B7F0B64D}\stubpath = "C:\\Windows\\{8218700A-F5F7-4ddf-931C-6099B7F0B64D}.exe"	{43CB2AA3-878A-4ab4-A135-022210D42055}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F5BAE2CD-9534-4804-978C-D81CF0E79ECF}	{8218700A-F5F7-4ddf-931C-6099B7F0B64D}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{AE040A77-05C7-4db3-A514-96FDC95B17F6}\stubpath = "C:\\Windows\\{AE040A77-05C7-4db3-A514-96FDC95B17F6}.exe"	{F5BAE2CD-9534-4804-978C-D81CF0E79ECF}.exe

Executes dropped EXE 6 IoCs

pid	Process
2820	{68907205-5DB7-4c48-9586-4706C98D739A}.exe
6012	{43CB2AA3-878A-4ab4-A135-022210D42055}.exe
4540	{8218700A-F5F7-4ddf-931C-6099B7F0B64D}.exe
3688	{F5BAE2CD-9534-4804-978C-D81CF0E79ECF}.exe
1188	{AE040A77-05C7-4db3-A514-96FDC95B17F6}.exe
1520	{AE040A77-05C7-4db3-A514-96FDC95B17F6}.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\{F5BAE2CD-9534-4804-978C-D81CF0E79ECF}.exe	{8218700A-F5F7-4ddf-931C-6099B7F0B64D}.exe
File created	C:\Windows\{AE040A77-05C7-4db3-A514-96FDC95B17F6}.exe	{F5BAE2CD-9534-4804-978C-D81CF0E79ECF}.exe
File created	C:\Windows\{68907205-5DB7-4c48-9586-4706C98D739A}.exe	2026-07-07_f46f0cc776f0bd90a4369e0d60b0fda4_elex_wannacry.exe
File created	C:\Windows\{43CB2AA3-878A-4ab4-A135-022210D42055}.exe	{68907205-5DB7-4c48-9586-4706C98D739A}.exe
File created	C:\Windows\{8218700A-F5F7-4ddf-931C-6099B7F0B64D}.exe	{43CB2AA3-878A-4ab4-A135-022210D42055}.exe

System Location Discovery: System Language Discovery 1 TTPs 12 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	2026-07-07_f46f0cc776f0bd90a4369e0d60b0fda4_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{AE040A77-05C7-4db3-A514-96FDC95B17F6}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{AE040A77-05C7-4db3-A514-96FDC95B17F6}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{68907205-5DB7-4c48-9586-4706C98D739A}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{43CB2AA3-878A-4ab4-A135-022210D42055}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{8218700A-F5F7-4ddf-931C-6099B7F0B64D}.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	{F5BAE2CD-9534-4804-978C-D81CF0E79ECF}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-515251955-468707340-1782030364-1000\{DE4CE712-1778-4D4C-877D-C366A52EFFE9}	explorer.exe
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

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1208	2026-07-07_f46f0cc776f0bd90a4369e0d60b0fda4_elex_wannacry.exe
Token: SeIncBasePriorityPrivilege	2820	{68907205-5DB7-4c48-9586-4706C98D739A}.exe
Token: SeIncBasePriorityPrivilege	6012	{43CB2AA3-878A-4ab4-A135-022210D42055}.exe
Token: SeIncBasePriorityPrivilege	4540	{8218700A-F5F7-4ddf-931C-6099B7F0B64D}.exe
Token: SeIncBasePriorityPrivilege	3688	{F5BAE2CD-9534-4804-978C-D81CF0E79ECF}.exe
Token: SeShutdownPrivilege	3440	explorer.exe
Token: SeCreatePagefilePrivilege	3440	explorer.exe
Token: SeShutdownPrivilege	3440	explorer.exe
Token: SeCreatePagefilePrivilege	3440	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2912	sihost.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1208 wrote to memory of 2820	1208	2026-07-07_f46f0cc776f0bd90a4369e0d60b0fda4_elex_wannacry.exe	88
PID 1208 wrote to memory of 3128	1208	2026-07-07_f46f0cc776f0bd90a4369e0d60b0fda4_elex_wannacry.exe	89
PID 2820 wrote to memory of 6012	2820	{68907205-5DB7-4c48-9586-4706C98D739A}.exe	90
PID 2820 wrote to memory of 1724	2820	{68907205-5DB7-4c48-9586-4706C98D739A}.exe	91
PID 6012 wrote to memory of 4540	6012	{43CB2AA3-878A-4ab4-A135-022210D42055}.exe	92
PID 6012 wrote to memory of 4840	6012	{43CB2AA3-878A-4ab4-A135-022210D42055}.exe	93
PID 4540 wrote to memory of 3688	4540	{8218700A-F5F7-4ddf-931C-6099B7F0B64D}.exe	94
PID 4540 wrote to memory of 4844	4540	{8218700A-F5F7-4ddf-931C-6099B7F0B64D}.exe	95
PID 3688 wrote to memory of 1188	3688	{F5BAE2CD-9534-4804-978C-D81CF0E79ECF}.exe	100
PID 3688 wrote to memory of 5848	3688	{F5BAE2CD-9534-4804-978C-D81CF0E79ECF}.exe	101
PID 2912 wrote to memory of 3440	2912	sihost.exe	102
PID 3440 wrote to memory of 1520	3440	explorer.exe	103

C:\Users\Admin\AppData\Local\Temp\2026-07-07_f46f0cc776f0bd90a4369e0d60b0fda4_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-07_f46f0cc776f0bd90a4369e0d60b0fda4_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:1208
- C:\Windows\{68907205-5DB7-4c48-9586-4706C98D739A}.exe
  C:\Windows\{68907205-5DB7-4c48-9586-4706C98D739A}.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:2820
- - C:\Windows\{43CB2AA3-878A-4ab4-A135-022210D42055}.exe
    C:\Windows\{43CB2AA3-878A-4ab4-A135-022210D42055}.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:6012
  - - C:\Windows\{8218700A-F5F7-4ddf-931C-6099B7F0B64D}.exe
      C:\Windows\{8218700A-F5F7-4ddf-931C-6099B7F0B64D}.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:4540
    - - C:\Windows\{F5BAE2CD-9534-4804-978C-D81CF0E79ECF}.exe
        
        C:\Windows\{F5BAE2CD-9534-4804-978C-D81CF0E79ECF}.exe
        5⤵
        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:3688
      - C:\Windows\{AE040A77-05C7-4db3-A514-96FDC95B17F6}.exe
        
        C:\Windows\{AE040A77-05C7-4db3-A514-96FDC95B17F6}.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:1188
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c del C:\Windows\{F5BAE~1.EXE > nul
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:5848
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c del C:\Windows\{82187~1.EXE > nul
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4844
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Windows\{43CB2~1.EXE > nul
      4⤵
      System Location Discovery: System Language Discovery
      PID:4840
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\{68907~1.EXE > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1724
- 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:3128

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2912
- C:\Windows\explorer.exe
  explorer.exe /LOADSAVEDWINDOWS
  2⤵
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3440
- - C:\Windows\{AE040A77-05C7-4db3-A514-96FDC95B17F6}.exe
    "C:\Windows\{AE040A77-05C7-4db3-A514-96FDC95B17F6}.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1520

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

{43CB2AA3-878A-4ab4-A135-022210D42055}.exe

Path C:\Windows\{43CB2AA3-878A-4ab4-A135-022210D42055}.exe
Size 60KB
SHA256 b337a4fd665198a5f080bd6d0ddade5cb1985ea579182ae9d632331fee71a737
MD5 6412c346eab2168a6fd9a7402b73a02a
SHA1 a61456a65f239873dbc4104dbf61c4e9930df89d
SHA512 9d9361db76d14fe6b8a4bd8edff0c9c56de99a7288394305f98decf5d842b8fcb27252595cb6ab7bf08c3a1d279d26dae22f020f65e9a58b7b979a100c74e74b
SSDEEP 192:vbOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqwtY04/CFxyNhoy5t:vbLwOs8AHsc4sMfwhKQLro/4/CFsrd
TLSH
T17D53F7834BEE5CF2F691127108798BB9927B99D4950EBEDFBB90CD150037292E53A10B
MD5 SHA1 SHA512 SSDEEP TLSH

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{68907205-5DB7-4c48-9586-4706C98D739A}.exe

Path C:\Windows\{68907205-5DB7-4c48-9586-4706C98D739A}.exe
Size 60KB
SHA256 9a79fbe1c800e9809c700e979805d271c449932e061a23830fa7c8667e8745e2
MD5 11bbf2f262db125396c6f1b6a845eed8
SHA1 3b1db7d2fcad2ae551669f2958589864a1cba478
SHA512 7d12a327b5d5d68487b27266e70f36bd9b273461ad58f3fc77fc47212259692880d1b1ac78ada7337db935022a4091382d244bfb459bdd63f3ce8aa91e174b87
SSDEEP 192:vbOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqwfY04/CFxyNhoy5t:vbLwOs8AHsc4sMfwhKQLroR4/CFsrd
TLSH
T1E55308834BEE9CF2F791117108798AB9927B99D4950EBEDFBF90CD150037292E53A10B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{8218700A-F5F7-4ddf-931C-6099B7F0B64D}.exe

Path C:\Windows\{8218700A-F5F7-4ddf-931C-6099B7F0B64D}.exe
Size 60KB
SHA256 4a99c582b2aa601c0c8a863f0b491400d5ee6fd0d909bdaad40cea97f0299c4d
MD5 d6bbf926e5e473e677e28ef32bf7760e
SHA1 8a705367a84caf8424d539d727eb9593b34eef34
SHA512 4af1bd5b058197a8b003bab57e6e7f5b0656315db845b17d715a179875dc96edaea59b8aee85b87945f6ef9be8f4fbfeac9ee9d2af76b3aa4e2e5b3509575fd1
SSDEEP 192:vbOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqwaY04/CFxyNhoy5t:vbLwOs8AHsc4sMfwhKQLroQ4/CFsrd
TLSH
T16E5309834BDE5CF2F791123108798AB9927BA9D4910EBEDFBF90CD150037292E53A10B
MD5 SHA1 SHA512 SSDEEP TLSH

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{AE040A77-05C7-4db3-A514-96FDC95B17F6}.exe

Path C:\Windows\{AE040A77-05C7-4db3-A514-96FDC95B17F6}.exe
Size 60KB
SHA256 0948af64d5164192ada393cffd8a60e8e4f6eeb51bc156e74bf8cbf6ebc24859
MD5 93be2678f18af0bc20ec6c0672c7a85f
SHA1 737716df2b9816e667fd009113645ee95310e205
SHA512 0779a7ad4e22fe197e991957c3f2c68c72cbd6fc77c7c4053f600a4400831bac46519cdfd3f9e797d3c9b76b9e72f735be8b2f9fb8082fb0e2cc737628603147
SSDEEP 192:vbOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqwcY04/CFxyNhoy5t:vbLwOs8AHsc4sMfwhKQLroq4/CFsrd
TLSH
T19E53F7834BDE9CF2F791113108798AB9927BA9D4950EBEDFBB90CD150037292E53A10B
MD5 SHA1 SHA512 SSDEEP TLSH

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{F5BAE2CD-9534-4804-978C-D81CF0E79ECF}.exe

Path C:\Windows\{F5BAE2CD-9534-4804-978C-D81CF0E79ECF}.exe
Size 60KB
SHA256 0b07d4797d1b87b6f1d75e48f04a81da4a5864e62c4306d7c4953eee8258efcc
MD5 daa8298d00c1c34e7133ea230d2fdfa7
SHA1 f88634f90256bc6db32ec70fa51fae5c43e73956
SHA512 b6516623dca40c653bfe2c2c6bb9388a1fe1ca29d7ff8f569eb56c3f17a210a6457e703bb664b1059cdf2da38f87c81802a0ae5b62d53558cc57123d2a0098d8
SSDEEP 192:vbOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqwfPY04/CFxyNhoy5t:vbLwOs8AHsc4sMfwhKQLrofh4/CFsrd
TLSH
T15853F8834BEE5CF2F791117108798AB9927B99D4950EBEDFBF90CD150037292E53A10B
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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Downloads