stormser | 3b74a7c9c6c587181d856f79ab895e456be67d16ad1d68c809fe55de24d420bb

General

Target
2026-06-27_a9f48c13dddc79a808a7c6aec3d11d79_elex_goldeneye_wannacry.exe
Size 372KB
Sample260629-eqacfacx9z
SHA256 3b74a7c9c6c587181d856f79ab895e456be67d16ad1d68c809fe55de24d420bb
MD5 a9f48c13dddc79a808a7c6aec3d11d79
SHA1 ef31ff5fa08fd3bd3f1bc71da12bc3fecd06ecb9
SHA512 c1c744e62797954193fce902177969e69798885643a2d791ac47ef69b3b29a2f7865463d15574bc15ad22b4ed10a43689564819c5e454c9d92cd6bebd67011e0
SSDEEP 3072:CEGh0o5lMOiNOe2MUVg3bHrH/HqOYGte+rcC4F0fJGRIS8Rfd7eQEcGcrTutTBfM:CEGrlkOe2MUVg3vTeKcAEciTBqr3
TLSH
T192846D2067F6E698F5F30FB8ADB581409D7BBE916D31D61D22A8000E8D71A90DE71B37
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 4 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c53e-3.dat	family_stormser
behavioral2/files/0x0003000000000438-6.dat	family_stormser
behavioral2/files/0x000d00000001c543-13.dat	family_stormser
behavioral2/files/0x0004000000000438-18.dat	family_stormser

Auto-generated rule 4 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c53e-3.dat	GoldenEyeRansomware_Dropper_MalformedZoomit
behavioral2/files/0x0003000000000438-6.dat	GoldenEyeRansomware_Dropper_MalformedZoomit
behavioral2/files/0x000d00000001c543-13.dat	GoldenEyeRansomware_Dropper_MalformedZoomit
behavioral2/files/0x0004000000000438-18.dat	GoldenEyeRansomware_Dropper_MalformedZoomit

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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{10C4E8C3-DDC2-439a-87E4-879EC1457724}	2026-06-27_a9f48c13dddc79a808a7c6aec3d11d79_elex_goldeneye_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{10C4E8C3-DDC2-439a-87E4-879EC1457724}\stubpath = "C:\\Windows\\{10C4E8C3-DDC2-439a-87E4-879EC1457724}.exe"	2026-06-27_a9f48c13dddc79a808a7c6aec3d11d79_elex_goldeneye_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F666EBEE-7F25-403d-B330-3D4440EC92FA}	{10C4E8C3-DDC2-439a-87E4-879EC1457724}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F666EBEE-7F25-403d-B330-3D4440EC92FA}\stubpath = "C:\\Windows\\{F666EBEE-7F25-403d-B330-3D4440EC92FA}.exe"	{10C4E8C3-DDC2-439a-87E4-879EC1457724}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1C06CEF8-BD0D-4ed7-9151-5D92571F35E1}	{F666EBEE-7F25-403d-B330-3D4440EC92FA}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1C06CEF8-BD0D-4ed7-9151-5D92571F35E1}\stubpath = "C:\\Windows\\{1C06CEF8-BD0D-4ed7-9151-5D92571F35E1}.exe"	{F666EBEE-7F25-403d-B330-3D4440EC92FA}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1A1865CD-6C34-406f-ABF0-DEF83340A76F}	{1C06CEF8-BD0D-4ed7-9151-5D92571F35E1}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1A1865CD-6C34-406f-ABF0-DEF83340A76F}\stubpath = "C:\\Windows\\{1A1865CD-6C34-406f-ABF0-DEF83340A76F}.exe"	{1C06CEF8-BD0D-4ed7-9151-5D92571F35E1}.exe

Executes dropped EXE 5 IoCs

pid	Process
5824	{10C4E8C3-DDC2-439a-87E4-879EC1457724}.exe
5960	{F666EBEE-7F25-403d-B330-3D4440EC92FA}.exe
1456	{1C06CEF8-BD0D-4ed7-9151-5D92571F35E1}.exe
2572	{1A1865CD-6C34-406f-ABF0-DEF83340A76F}.exe
4164	{1A1865CD-6C34-406f-ABF0-DEF83340A76F}.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\{1C06CEF8-BD0D-4ed7-9151-5D92571F35E1}.exe	{F666EBEE-7F25-403d-B330-3D4440EC92FA}.exe
File created	C:\Windows\{1A1865CD-6C34-406f-ABF0-DEF83340A76F}.exe	{1C06CEF8-BD0D-4ed7-9151-5D92571F35E1}.exe
File created	C:\Windows\{10C4E8C3-DDC2-439a-87E4-879EC1457724}.exe	2026-06-27_a9f48c13dddc79a808a7c6aec3d11d79_elex_goldeneye_wannacry.exe
File created	C:\Windows\{F666EBEE-7F25-403d-B330-3D4440EC92FA}.exe	{10C4E8C3-DDC2-439a-87E4-879EC1457724}.exe

System Location Discovery: System Language Discovery 1 TTPs 10 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	2026-06-27_a9f48c13dddc79a808a7c6aec3d11d79_elex_goldeneye_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{F666EBEE-7F25-403d-B330-3D4440EC92FA}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{1C06CEF8-BD0D-4ed7-9151-5D92571F35E1}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{1A1865CD-6C34-406f-ABF0-DEF83340A76F}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{10C4E8C3-DDC2-439a-87E4-879EC1457724}.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	{1A1865CD-6C34-406f-ABF0-DEF83340A76F}.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-1-5-21-4118910392-3846778420-3545080915-1000\{4ED6CCE1-D2DE-4F83-A6D9-B25597944A80}	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 8 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	624	2026-06-27_a9f48c13dddc79a808a7c6aec3d11d79_elex_goldeneye_wannacry.exe
Token: SeIncBasePriorityPrivilege	5824	{10C4E8C3-DDC2-439a-87E4-879EC1457724}.exe
Token: SeIncBasePriorityPrivilege	5960	{F666EBEE-7F25-403d-B330-3D4440EC92FA}.exe
Token: SeIncBasePriorityPrivilege	1456	{1C06CEF8-BD0D-4ed7-9151-5D92571F35E1}.exe
Token: SeShutdownPrivilege	404	explorer.exe
Token: SeCreatePagefilePrivilege	404	explorer.exe
Token: SeShutdownPrivilege	404	explorer.exe
Token: SeCreatePagefilePrivilege	404	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1640	sihost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 624 wrote to memory of 5824	624	2026-06-27_a9f48c13dddc79a808a7c6aec3d11d79_elex_goldeneye_wannacry.exe	89
PID 624 wrote to memory of 1512	624	2026-06-27_a9f48c13dddc79a808a7c6aec3d11d79_elex_goldeneye_wannacry.exe	90
PID 5824 wrote to memory of 5960	5824	{10C4E8C3-DDC2-439a-87E4-879EC1457724}.exe	91
PID 5824 wrote to memory of 3584	5824	{10C4E8C3-DDC2-439a-87E4-879EC1457724}.exe	92
PID 5960 wrote to memory of 1456	5960	{F666EBEE-7F25-403d-B330-3D4440EC92FA}.exe	94
PID 5960 wrote to memory of 4748	5960	{F666EBEE-7F25-403d-B330-3D4440EC92FA}.exe	95
PID 1456 wrote to memory of 2572	1456	{1C06CEF8-BD0D-4ed7-9151-5D92571F35E1}.exe	96
PID 1456 wrote to memory of 2832	1456	{1C06CEF8-BD0D-4ed7-9151-5D92571F35E1}.exe	97
PID 1640 wrote to memory of 404	1640	sihost.exe	102
PID 404 wrote to memory of 4164	404	explorer.exe	103

C:\Users\Admin\AppData\Local\Temp\2026-06-27_a9f48c13dddc79a808a7c6aec3d11d79_elex_goldeneye_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-27_a9f48c13dddc79a808a7c6aec3d11d79_elex_goldeneye_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:624
- C:\Windows\{10C4E8C3-DDC2-439a-87E4-879EC1457724}.exe
  C:\Windows\{10C4E8C3-DDC2-439a-87E4-879EC1457724}.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:5824
- - C:\Windows\{F666EBEE-7F25-403d-B330-3D4440EC92FA}.exe
    C:\Windows\{F666EBEE-7F25-403d-B330-3D4440EC92FA}.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:5960
  - - C:\Windows\{1C06CEF8-BD0D-4ed7-9151-5D92571F35E1}.exe
      C:\Windows\{1C06CEF8-BD0D-4ed7-9151-5D92571F35E1}.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:1456
    - - C:\Windows\{1A1865CD-6C34-406f-ABF0-DEF83340A76F}.exe
        
        C:\Windows\{1A1865CD-6C34-406f-ABF0-DEF83340A76F}.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2572
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c del C:\Windows\{1C06C~1.EXE > nul
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2832
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Windows\{F666E~1.EXE > nul
      4⤵
      System Location Discovery: System Language Discovery
      PID:4748
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\{10C4E~1.EXE > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3584
- 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:1512

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Windows\explorer.exe
  explorer.exe /LOADSAVEDWINDOWS
  2⤵
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:404
- - C:\Windows\{1A1865CD-6C34-406f-ABF0-DEF83340A76F}.exe
    "C:\Windows\{1A1865CD-6C34-406f-ABF0-DEF83340A76F}.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4164

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

{10C4E8C3-DDC2-439a-87E4-879EC1457724}.exe

Path C:\Windows\{10C4E8C3-DDC2-439a-87E4-879EC1457724}.exe
Size 372KB
SHA256 31e6536b0808f5ebd0ae116dd867e8b4ceb39ffaa25e0998eb119f92d8240d88
MD5 f29567103884dc040685459b38953f05
SHA1 26e20a725439ce4435d1e2290b2be1fd36cab2db
SHA512 333c37eda5d4754caae910735364a7402d44916ef0c26f404d7a7191fb31846b8cc80476f298e8b8f001854b645755f770109c7be06ac08d09a5d55fa675dedb
SSDEEP 3072:CEGh0ovlMOiNOe2MUVg3bHrH/HqOYGte+rcC4F0fJGRIS8Rfd7eQEcGcrTutTBfM:CEGdlkOe2MUVg3vTeKcAEciTBqr3
TLSH
T1C9846D2067F6E698F5F30FB8ADB581409D7BBE916D31D61D22A8000E8D71A90DE71B37
MD5 SHA1 SHA512 SSDEEP TLSH

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{1A1865CD-6C34-406f-ABF0-DEF83340A76F}.exe

Path C:\Windows\{1A1865CD-6C34-406f-ABF0-DEF83340A76F}.exe
Size 372KB
SHA256 532f1ec752d63d3be0b82e5bed62d1382178495b3b6fe63529ba5515b9b3fe0d
MD5 85ec417cfe05615dacb9f5a61b6469c0
SHA1 dbb0e6afe4eb97445c80589e9e025803eb7ab606
SHA512 7327c2bc617dc6862e02428330c82a335af365dce07185ba0511f7d7f1a7e71dbc9bfbb73db6f6a6dfb2c6f7aa2e7055cf99bd5ae1c8f7d34391c9955c7fec54
SSDEEP 3072:CEGh0oLlMOiNOe2MUVg3bHrH/HqOYGte+rcC4F0fJGRIS8Rfd7eQEcGcrTutTBfM:CEGdlkOe2MUVg3vTeKcAEciTBqr3
TLSH
T1AA846D2067F6E698F5F30FB8ADB581409D7BBE916D31D61D22A8000E8D71A90DE71B37
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{1C06CEF8-BD0D-4ed7-9151-5D92571F35E1}.exe

Path C:\Windows\{1C06CEF8-BD0D-4ed7-9151-5D92571F35E1}.exe
Size 372KB
SHA256 b263cecf9bc9d3f61dc65f59b1b313de96a9676d904abbd9a5bbb356634fa0a4
MD5 13ce9bdb1a965e40e71a0a1c3d354f91
SHA1 96728268063ad5d1073acb1d3baa811fc4a6112b
SHA512 c39b50e73716b1724da4f92c347ac4340965ab0026a3428ff3ce180b522045c8ebae147d77ed8754087dbd70a0a3332fdb071ef55e858e9064dd61884f0028ad
SSDEEP 3072:CEGh0o5lMOiNOe2MUVg3bHrH/HqOYGte+rcC4F0fJGRIS8Rfd7eQEcGcrTutTBfM:CEGvlkOe2MUVg3vTeKcAEciTBqr3
TLSH
T12B846D2067F6E698F5F30FB8ADB581409D7BBE916D31D61D22A8000E8D71A90DE71B37
MD5 SHA1 SHA512 SSDEEP TLSH

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{F666EBEE-7F25-403d-B330-3D4440EC92FA}.exe

Path C:\Windows\{F666EBEE-7F25-403d-B330-3D4440EC92FA}.exe
Size 372KB
SHA256 6ad7f02ba7974ee749b74223ee250b0d63cb82631d4905bf13db12cb5c402d60
MD5 ff48a29c2b1510d00bde394e1eca2fb8
SHA1 849911763f01b92e7e847a2cdd31214295785c0a
SHA512 392bf4715cc7ffe975fd2bc754a6c187348b418c3777c153337b4ac81727639cbbfb934d266585aae5f5430cfec289c1f82683a70924dc39b606172fa90b8648
SSDEEP 3072:CEGh0o1lMOiNOe2MUVg3bHrH/HqOYGte+rcC4F0fJGRIS8Rfd7eQEcGcrTutTBfM:CEGLlkOe2MUVg3vTeKcAEciTBqr3
TLSH
T1E0846D2067F6E698F5F30FB8ADB581409D7BBE916D31D61D22A8000E8D71A90DE71B37
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