stormser | 9de11c900bfa99a68a37e22f469f87e14aeb70be7a99d13ccd142f9060d20b23

General

Target
2026-07-04_dc676ec80a233e673fc190bc08ccdf38_elex_goldeneye_wannacry.exe
Size 192KB
Sample260704-vn28faes5j
SHA256 9de11c900bfa99a68a37e22f469f87e14aeb70be7a99d13ccd142f9060d20b23
MD5 dc676ec80a233e673fc190bc08ccdf38
SHA1 5da8c2a303296f3414ed1d353767df53fea7f70d
SHA512 e0fa4c84ba60d0b2ca1e5d5bd4f424dcba7a14ad4780e077d5899c382c288d7d86522776f7ed479890cb0ecc785e4273d12f1feab1f8e1951fd4199f0d6df180
SSDEEP 1536:1EGh0oul15IRVhNJ5Qef7BudMeNzVg3Ve+rrS2GunMxVS3H6:1EGh0oul1OPOe2MUVg3Ve+rXfMUa
TLSH
T1FA142B3D6FD3D4F2D0B3C2344AB08593FE23BE9231614E1E25D543458D92A62EDAAE1D
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/0x000e00000001c499-3.dat	family_stormser
behavioral2/files/0x000e00000001c49a-6.dat	family_stormser
behavioral2/files/0x000e00000001c49c-13.dat	family_stormser
behavioral2/files/0x000f00000001c49a-18.dat	family_stormser

Auto-generated rule 4 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c499-3.dat	GoldenEyeRansomware_Dropper_MalformedZoomit
behavioral2/files/0x000e00000001c49a-6.dat	GoldenEyeRansomware_Dropper_MalformedZoomit
behavioral2/files/0x000e00000001c49c-13.dat	GoldenEyeRansomware_Dropper_MalformedZoomit
behavioral2/files/0x000f00000001c49a-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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4080B20F-C77D-411e-A4AF-0FC6B3FA0B21}\stubpath = "C:\\Windows\\{4080B20F-C77D-411e-A4AF-0FC6B3FA0B21}.exe"	{DD03EF38-275D-4a2f-B8E3-036A3E57E19D}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{7CBC5A4D-B333-4336-A65C-28228EFECF18}	{4080B20F-C77D-411e-A4AF-0FC6B3FA0B21}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{7CBC5A4D-B333-4336-A65C-28228EFECF18}\stubpath = "C:\\Windows\\{7CBC5A4D-B333-4336-A65C-28228EFECF18}.exe"	{4080B20F-C77D-411e-A4AF-0FC6B3FA0B21}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{DD8C2006-58D0-424a-824A-A59560DA0912}	2026-07-04_dc676ec80a233e673fc190bc08ccdf38_elex_goldeneye_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{DD8C2006-58D0-424a-824A-A59560DA0912}\stubpath = "C:\\Windows\\{DD8C2006-58D0-424a-824A-A59560DA0912}.exe"	2026-07-04_dc676ec80a233e673fc190bc08ccdf38_elex_goldeneye_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{DD03EF38-275D-4a2f-B8E3-036A3E57E19D}	{DD8C2006-58D0-424a-824A-A59560DA0912}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{DD03EF38-275D-4a2f-B8E3-036A3E57E19D}\stubpath = "C:\\Windows\\{DD03EF38-275D-4a2f-B8E3-036A3E57E19D}.exe"	{DD8C2006-58D0-424a-824A-A59560DA0912}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4080B20F-C77D-411e-A4AF-0FC6B3FA0B21}	{DD03EF38-275D-4a2f-B8E3-036A3E57E19D}.exe

Executes dropped EXE 5 IoCs

pid	Process
5932	{DD8C2006-58D0-424a-824A-A59560DA0912}.exe
1276	{DD03EF38-275D-4a2f-B8E3-036A3E57E19D}.exe
4652	{4080B20F-C77D-411e-A4AF-0FC6B3FA0B21}.exe
460	{7CBC5A4D-B333-4336-A65C-28228EFECF18}.exe
1588	{7CBC5A4D-B333-4336-A65C-28228EFECF18}.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\{DD8C2006-58D0-424a-824A-A59560DA0912}.exe	2026-07-04_dc676ec80a233e673fc190bc08ccdf38_elex_goldeneye_wannacry.exe
File created	C:\Windows\{DD03EF38-275D-4a2f-B8E3-036A3E57E19D}.exe	{DD8C2006-58D0-424a-824A-A59560DA0912}.exe
File created	C:\Windows\{4080B20F-C77D-411e-A4AF-0FC6B3FA0B21}.exe	{DD03EF38-275D-4a2f-B8E3-036A3E57E19D}.exe
File created	C:\Windows\{7CBC5A4D-B333-4336-A65C-28228EFECF18}.exe	{4080B20F-C77D-411e-A4AF-0FC6B3FA0B21}.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{7CBC5A4D-B333-4336-A65C-28228EFECF18}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-04_dc676ec80a233e673fc190bc08ccdf38_elex_goldeneye_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{DD03EF38-275D-4a2f-B8E3-036A3E57E19D}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{4080B20F-C77D-411e-A4AF-0FC6B3FA0B21}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{DD8C2006-58D0-424a-824A-A59560DA0912}.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	{7CBC5A4D-B333-4336-A65C-28228EFECF18}.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-1-5-21-1797646245-3139070211-3019596475-1000\{25C9BE50-F659-4235-BC31-13CD2553AFC8}	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	2784	2026-07-04_dc676ec80a233e673fc190bc08ccdf38_elex_goldeneye_wannacry.exe
Token: SeIncBasePriorityPrivilege	5932	{DD8C2006-58D0-424a-824A-A59560DA0912}.exe
Token: SeIncBasePriorityPrivilege	1276	{DD03EF38-275D-4a2f-B8E3-036A3E57E19D}.exe
Token: SeIncBasePriorityPrivilege	4652	{4080B20F-C77D-411e-A4AF-0FC6B3FA0B21}.exe
Token: SeShutdownPrivilege	4748	explorer.exe
Token: SeCreatePagefilePrivilege	4748	explorer.exe
Token: SeShutdownPrivilege	4748	explorer.exe
Token: SeCreatePagefilePrivilege	4748	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2864	sihost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2784 wrote to memory of 5932	2784	2026-07-04_dc676ec80a233e673fc190bc08ccdf38_elex_goldeneye_wannacry.exe	89
PID 2784 wrote to memory of 5260	2784	2026-07-04_dc676ec80a233e673fc190bc08ccdf38_elex_goldeneye_wannacry.exe	90
PID 5932 wrote to memory of 1276	5932	{DD8C2006-58D0-424a-824A-A59560DA0912}.exe	91
PID 5932 wrote to memory of 1412	5932	{DD8C2006-58D0-424a-824A-A59560DA0912}.exe	92
PID 1276 wrote to memory of 4652	1276	{DD03EF38-275D-4a2f-B8E3-036A3E57E19D}.exe	94
PID 1276 wrote to memory of 4512	1276	{DD03EF38-275D-4a2f-B8E3-036A3E57E19D}.exe	95
PID 4652 wrote to memory of 460	4652	{4080B20F-C77D-411e-A4AF-0FC6B3FA0B21}.exe	96
PID 4652 wrote to memory of 3684	4652	{4080B20F-C77D-411e-A4AF-0FC6B3FA0B21}.exe	97
PID 2864 wrote to memory of 4748	2864	sihost.exe	102
PID 4748 wrote to memory of 1588	4748	explorer.exe	103

C:\Users\Admin\AppData\Local\Temp\2026-07-04_dc676ec80a233e673fc190bc08ccdf38_elex_goldeneye_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-04_dc676ec80a233e673fc190bc08ccdf38_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:2784
- C:\Windows\{DD8C2006-58D0-424a-824A-A59560DA0912}.exe
  C:\Windows\{DD8C2006-58D0-424a-824A-A59560DA0912}.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:5932
- - C:\Windows\{DD03EF38-275D-4a2f-B8E3-036A3E57E19D}.exe
    C:\Windows\{DD03EF38-275D-4a2f-B8E3-036A3E57E19D}.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:1276
  - - C:\Windows\{4080B20F-C77D-411e-A4AF-0FC6B3FA0B21}.exe
      C:\Windows\{4080B20F-C77D-411e-A4AF-0FC6B3FA0B21}.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:4652
    - - C:\Windows\{7CBC5A4D-B333-4336-A65C-28228EFECF18}.exe
        
        C:\Windows\{7CBC5A4D-B333-4336-A65C-28228EFECF18}.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:460
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c del C:\Windows\{4080B~1.EXE > nul
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:3684
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Windows\{DD03E~1.EXE > nul
      4⤵
      System Location Discovery: System Language Discovery
      PID:4512
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\{DD8C2~1.EXE > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1412
- 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:5260

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2864
- C:\Windows\explorer.exe
  explorer.exe /LOADSAVEDWINDOWS
  2⤵
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4748
- - C:\Windows\{7CBC5A4D-B333-4336-A65C-28228EFECF18}.exe
    "C:\Windows\{7CBC5A4D-B333-4336-A65C-28228EFECF18}.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1588

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

{4080B20F-C77D-411e-A4AF-0FC6B3FA0B21}.exe

Path C:\Windows\{4080B20F-C77D-411e-A4AF-0FC6B3FA0B21}.exe
Size 192KB
SHA256 51cdc468973e02386ad0fed35a80e8222992037e222442d9d34b8daad7ce7c86
MD5 bde4fc1dbd49ca76e3359e0873ea30b3
SHA1 f588124ce32f191cd664a110f6979465a6af6dd8
SHA512 778e01f51538c05e52eebe3ece5d9a71a53fc7c45e9d77ba339ba39d9bc00d71681e92748dce498ad8cd510389c6e7f481f3a0bdb755645dbe2ba4ef5bc85426
SSDEEP 1536:1EGh0o+l15IRVhNJ5Qef7BudMeNzVg3Ve+rrS2GunMxVS3H6:1EGh0o+l1OPOe2MUVg3Ve+rXfMUa
TLSH
T1D0142B3D6FD3D4F2D0B382344AB08593FE22BE9231614E1E25D543458D92A62EDAAE1D
MD5 SHA1 SHA512 SSDEEP TLSH

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{7CBC5A4D-B333-4336-A65C-28228EFECF18}.exe

Path C:\Windows\{7CBC5A4D-B333-4336-A65C-28228EFECF18}.exe
Size 192KB
SHA256 df937a11110f656c351b00d4f5e6c3681f8436a4ca3ebc5553d16f6bf525f8fc
MD5 b4c2eb2b9a7ee9503d0976a4964ca139
SHA1 a2ebdf23d83428486939c2508a64781a344316b4
SHA512 62a4671bdef7446210a7a4f04395bfc94169c3fe13a39359c0b6035187d25de851ffa4952afbd066c9fb1447229b4f078c56c97dd9b3573691aa57fb57a13054
SSDEEP 1536:1EGh0oll15IRVhNJ5Qef7BudMeNzVg3Ve+rrS2GunMxVS3H6:1EGh0oll1OPOe2MUVg3Ve+rXfMUa
TLSH
T180142B3D6FD3D4F2D0B382344AB08593FE23BE9231614E1E25D543458D92A62EDAAE1D
MD5 SHA1 SHA512 SSDEEP TLSH

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{DD03EF38-275D-4a2f-B8E3-036A3E57E19D}.exe

Path C:\Windows\{DD03EF38-275D-4a2f-B8E3-036A3E57E19D}.exe
Size 192KB
SHA256 ecb5b630d8bf0e29d9e36606c0e01fdf53cba8d87f570f065f354613a4bc0cde
MD5 808ea5f1edb2f9048c2cd9bd6e151b6c
SHA1 60018cd74348d76440d5a2dbab47a7f78c26209a
SHA512 bb98b04716c0a692907dc9e53b2ccae33def9e2b28e056c8b5fbb3949818dffcb357ad82bab8e01e78f33241a763ec6616f92fd1996304dbd087c88f21a16642
SSDEEP 1536:1EGh0oFl15IRVhNJ5Qef7BudMeNzVg3Ve+rrS2GunMxVS3H6:1EGh0oFl1OPOe2MUVg3Ve+rXfMUa
TLSH
T1F2142B3D6FD3D4F2D0B382344AB08593FE23BE9231614E1E25D543458D92A62EDAAF1D
MD5 SHA1 SHA512 SSDEEP TLSH

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{DD8C2006-58D0-424a-824A-A59560DA0912}.exe

Path C:\Windows\{DD8C2006-58D0-424a-824A-A59560DA0912}.exe
Size 192KB
SHA256 e109f5de804eb6f3f44528f6b5825e5fac22e5248d11a7eeb6260a258c6f2449
MD5 074f036c31b226f811f716e60c9ff9a6
SHA1 ecdf54c57d4144f0091dfd25fc6ca6f07ec82a77
SHA512 edd84caff1f8ff6d69ed8c159b4e427f007f604bd5cd17f258ea5259568e4f885506dd65bff63802e4b994717859d56eb258d7af9ba9d6d56cfe80436eb2bc4a
SSDEEP 1536:1EGh0oRl15IRVhNJ5Qef7BudMeNzVg3Ve+rrS2GunMxVS3H6:1EGh0oRl1OPOe2MUVg3Ve+rXfMUa
TLSH
T188142B3D6FD3D4F2D0B3C2344AB08593FE23BE9231614E1E25D543458D92A62EDAAE1D
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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