stormser | db9d139fc9044e8aa7d2f658736772873aa31a52d8df2353519905aca2a84e3d

General

Target
2026-07-09_540efa8c60daa6bed82ec5a8b9760bf2_elex_goldeneye_wannacry.exe
Size 168KB
Sample260709-v2rc4afv2t
SHA256 db9d139fc9044e8aa7d2f658736772873aa31a52d8df2353519905aca2a84e3d
MD5 540efa8c60daa6bed82ec5a8b9760bf2
SHA1 4234580e3c020a9913d8520ad456fdd548bae07d
SHA512 3068e93337e6e0ba059ed94c4554c24ec8a9de67bdf5dba6b6e6c99fbd5f62e1ca7e0c22f1c2cf01a92fb70ea2733f291ae22bcc113f5409d117e423b720a7b3
SSDEEP 1536:1EGh0oplq5IRVhNJ5Qef7BudMeNzVg3Ve+rrS2:1EGh0oplqOPOe2MUVg3Ve+rX
TLSH
T1A3F36B666B93E8E1D0D302340E64C5129A33FEE441B2962639DCC19DCDD59B0EE7E72E
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/0x000e00000001c4b5-2.dat	family_stormser
behavioral2/files/0x000e00000001c4b6-6.dat	family_stormser
behavioral2/files/0x000e00000001c4b8-13.dat	family_stormser
behavioral2/files/0x001100000001c4ba-18.dat	family_stormser

Auto-generated rule 4 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c4b5-2.dat	GoldenEyeRansomware_Dropper_MalformedZoomit
behavioral2/files/0x000e00000001c4b6-6.dat	GoldenEyeRansomware_Dropper_MalformedZoomit
behavioral2/files/0x000e00000001c4b8-13.dat	GoldenEyeRansomware_Dropper_MalformedZoomit
behavioral2/files/0x001100000001c4ba-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\{09BBF70C-3F8D-47d7-94F2-53DB9248B8D9}	2026-07-09_540efa8c60daa6bed82ec5a8b9760bf2_elex_goldeneye_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{09BBF70C-3F8D-47d7-94F2-53DB9248B8D9}\stubpath = "C:\\Windows\\{09BBF70C-3F8D-47d7-94F2-53DB9248B8D9}.exe"	2026-07-09_540efa8c60daa6bed82ec5a8b9760bf2_elex_goldeneye_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A1536908-C154-4322-A57E-DBDF7B647D9D}	{09BBF70C-3F8D-47d7-94F2-53DB9248B8D9}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A1536908-C154-4322-A57E-DBDF7B647D9D}\stubpath = "C:\\Windows\\{A1536908-C154-4322-A57E-DBDF7B647D9D}.exe"	{09BBF70C-3F8D-47d7-94F2-53DB9248B8D9}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{BC3C773F-3414-40af-B0BA-850A3FD54D78}	{A1536908-C154-4322-A57E-DBDF7B647D9D}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{BC3C773F-3414-40af-B0BA-850A3FD54D78}\stubpath = "C:\\Windows\\{BC3C773F-3414-40af-B0BA-850A3FD54D78}.exe"	{A1536908-C154-4322-A57E-DBDF7B647D9D}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{493BF3EE-F81A-4167-9ECF-A48E3973DEBB}	{BC3C773F-3414-40af-B0BA-850A3FD54D78}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{493BF3EE-F81A-4167-9ECF-A48E3973DEBB}\stubpath = "C:\\Windows\\{493BF3EE-F81A-4167-9ECF-A48E3973DEBB}.exe"	{BC3C773F-3414-40af-B0BA-850A3FD54D78}.exe

Executes dropped EXE 5 IoCs

pid	Process
5436	{09BBF70C-3F8D-47d7-94F2-53DB9248B8D9}.exe
4292	{A1536908-C154-4322-A57E-DBDF7B647D9D}.exe
1324	{BC3C773F-3414-40af-B0BA-850A3FD54D78}.exe
3472	{493BF3EE-F81A-4167-9ECF-A48E3973DEBB}.exe
1500	{493BF3EE-F81A-4167-9ECF-A48E3973DEBB}.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\{09BBF70C-3F8D-47d7-94F2-53DB9248B8D9}.exe	2026-07-09_540efa8c60daa6bed82ec5a8b9760bf2_elex_goldeneye_wannacry.exe
File created	C:\Windows\{A1536908-C154-4322-A57E-DBDF7B647D9D}.exe	{09BBF70C-3F8D-47d7-94F2-53DB9248B8D9}.exe
File created	C:\Windows\{BC3C773F-3414-40af-B0BA-850A3FD54D78}.exe	{A1536908-C154-4322-A57E-DBDF7B647D9D}.exe
File created	C:\Windows\{493BF3EE-F81A-4167-9ECF-A48E3973DEBB}.exe	{BC3C773F-3414-40af-B0BA-850A3FD54D78}.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	{09BBF70C-3F8D-47d7-94F2-53DB9248B8D9}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{BC3C773F-3414-40af-B0BA-850A3FD54D78}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{493BF3EE-F81A-4167-9ECF-A48E3973DEBB}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-09_540efa8c60daa6bed82ec5a8b9760bf2_elex_goldeneye_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{A1536908-C154-4322-A57E-DBDF7B647D9D}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{493BF3EE-F81A-4167-9ECF-A48E3973DEBB}.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-1-5-21-3437697693-2283162250-3003737219-1000\{47B77150-A234-4CCA-9BEA-7F053E4E4F16}	explorer.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3456	2026-07-09_540efa8c60daa6bed82ec5a8b9760bf2_elex_goldeneye_wannacry.exe
Token: SeIncBasePriorityPrivilege	5436	{09BBF70C-3F8D-47d7-94F2-53DB9248B8D9}.exe
Token: SeIncBasePriorityPrivilege	4292	{A1536908-C154-4322-A57E-DBDF7B647D9D}.exe
Token: SeIncBasePriorityPrivilege	1324	{BC3C773F-3414-40af-B0BA-850A3FD54D78}.exe
Token: SeShutdownPrivilege	2164	explorer.exe
Token: SeCreatePagefilePrivilege	2164	explorer.exe
Token: SeShutdownPrivilege	2164	explorer.exe
Token: SeCreatePagefilePrivilege	2164	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5932	sihost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3456 wrote to memory of 5436	3456	2026-07-09_540efa8c60daa6bed82ec5a8b9760bf2_elex_goldeneye_wannacry.exe	88
PID 3456 wrote to memory of 2376	3456	2026-07-09_540efa8c60daa6bed82ec5a8b9760bf2_elex_goldeneye_wannacry.exe	89
PID 5436 wrote to memory of 4292	5436	{09BBF70C-3F8D-47d7-94F2-53DB9248B8D9}.exe	90
PID 5436 wrote to memory of 2348	5436	{09BBF70C-3F8D-47d7-94F2-53DB9248B8D9}.exe	91
PID 4292 wrote to memory of 1324	4292	{A1536908-C154-4322-A57E-DBDF7B647D9D}.exe	93
PID 4292 wrote to memory of 4508	4292	{A1536908-C154-4322-A57E-DBDF7B647D9D}.exe	94
PID 1324 wrote to memory of 3472	1324	{BC3C773F-3414-40af-B0BA-850A3FD54D78}.exe	99
PID 1324 wrote to memory of 1400	1324	{BC3C773F-3414-40af-B0BA-850A3FD54D78}.exe	100
PID 5932 wrote to memory of 2164	5932	sihost.exe	101
PID 2164 wrote to memory of 1500	2164	explorer.exe	102

C:\Users\Admin\AppData\Local\Temp\2026-07-09_540efa8c60daa6bed82ec5a8b9760bf2_elex_goldeneye_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-09_540efa8c60daa6bed82ec5a8b9760bf2_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:3456
- C:\Windows\{09BBF70C-3F8D-47d7-94F2-53DB9248B8D9}.exe
  C:\Windows\{09BBF70C-3F8D-47d7-94F2-53DB9248B8D9}.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:5436
- - C:\Windows\{A1536908-C154-4322-A57E-DBDF7B647D9D}.exe
    C:\Windows\{A1536908-C154-4322-A57E-DBDF7B647D9D}.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:4292
  - - C:\Windows\{BC3C773F-3414-40af-B0BA-850A3FD54D78}.exe
      C:\Windows\{BC3C773F-3414-40af-B0BA-850A3FD54D78}.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:1324
    - - C:\Windows\{493BF3EE-F81A-4167-9ECF-A48E3973DEBB}.exe
        
        C:\Windows\{493BF3EE-F81A-4167-9ECF-A48E3973DEBB}.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:3472
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c del C:\Windows\{BC3C7~1.EXE > nul
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1400
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Windows\{A1536~1.EXE > nul
      4⤵
      System Location Discovery: System Language Discovery
      PID:4508
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\{09BBF~1.EXE > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2348
- 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:2376

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5932
- C:\Windows\explorer.exe
  explorer.exe /LOADSAVEDWINDOWS
  2⤵
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2164
- - C:\Windows\{493BF3EE-F81A-4167-9ECF-A48E3973DEBB}.exe
    "C:\Windows\{493BF3EE-F81A-4167-9ECF-A48E3973DEBB}.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1500

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

{09BBF70C-3F8D-47d7-94F2-53DB9248B8D9}.exe

Path C:\Windows\{09BBF70C-3F8D-47d7-94F2-53DB9248B8D9}.exe
Size 168KB
SHA256 05f330290d10e927ed9ca1487f827083f655bea5d940486b802de50b6beb7bda
MD5 c9e007a416bb76d3f579ff195ca3a190
SHA1 d16054b4039240f3fcf0d9a8fe250c286d7130b7
SHA512 256b677a1f7cacb28e3adab7da82219b4ea6207e9432f0d9c18c0fda3691ac842cda1fd5d4a5c37efce044439bbff460367c5591e2492724e04c98f6e1255fdf
SSDEEP 1536:1EGh0oYlq5IRVhNJ5Qef7BudMeNzVg3Ve+rrS2:1EGh0oYlqOPOe2MUVg3Ve+rX
TLSH
T153F36B666B93E8E1D0D302340E64C5129A33FEE441B2962639DCC19DCDD59B0EE7E72E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{493BF3EE-F81A-4167-9ECF-A48E3973DEBB}.exe

Path C:\Windows\{493BF3EE-F81A-4167-9ECF-A48E3973DEBB}.exe
Size 168KB
SHA256 1e1f7f890e52ea9e614a9dcdc35145dcaf9be906ab0bffb2efdcdcbfd894e122
MD5 5d84425803b6410534e448d6c56e8c61
SHA1 5715a000bf731f3ded2e2ff3608ac70f87d00990
SHA512 b0b499701988611803adee27c2c8f910bfdf627ebbd7e1a71feea154fed10b520444cb637f77234dbceca904e23c0c9b8fbd79531964e788b74894de65f7c666
SSDEEP 1536:1EGh0oAlq5IRVhNJ5Qef7BudMeNzVg3Ve+rrS2:1EGh0oAlqOPOe2MUVg3Ve+rX
TLSH
T1B3F36B666B93E8E1D0D302340E64C5129A33FEE441B2962639DCC19DCDD59B0EE7E72E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{A1536908-C154-4322-A57E-DBDF7B647D9D}.exe

Path C:\Windows\{A1536908-C154-4322-A57E-DBDF7B647D9D}.exe
Size 168KB
SHA256 2032ce4f47ac8a23e1527ed4cc6c7f3f9fc7aa623b3747fe57986bed06918d18
MD5 d981b8d1ee8133af00f386a4c5106652
SHA1 99b6e311bb7a1e084ae4e618fe8e44014c1823dc
SHA512 f016a6621be3b2e8936c7a420b88cd87f4076b5a772345f4ddb61d8e2ededbcfcb0739f898409b95edb9103682f9ec69cc17b6dec84f715246e1dac3a4de9bf2
SSDEEP 1536:1EGh0o9lq5IRVhNJ5Qef7BudMeNzVg3Ve+rrS2:1EGh0o9lqOPOe2MUVg3Ve+rX
TLSH
T1F3F36B666B93E8E1D0D302340E64C5129A33FEE441B2962639DCC19DCDD59B0EE7E72E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{BC3C773F-3414-40af-B0BA-850A3FD54D78}.exe

Path C:\Windows\{BC3C773F-3414-40af-B0BA-850A3FD54D78}.exe
Size 168KB
SHA256 1d981d4f87571f35eaea1530a535fb3320f2a6ebbb034410ce58dc9045a77f2e
MD5 5c48b47f110de4a5981b570b6f681354
SHA1 b87065880a68bee0fd914f514c428c9699dcff80
SHA512 7ae47cc441634549095ea3cd4790f0aa00b52ce87c441e091858d3ff5aad978ffcf678300e96f0add588793dfdd4a4a76b401fedb04226eddeb680466f50b04e
SSDEEP 1536:1EGh0oGlq5IRVhNJ5Qef7BudMeNzVg3Ve+rrS2:1EGh0oGlqOPOe2MUVg3Ve+rX
TLSH
T175F36B666B93E8E1D0D302340E64C5129A33FEE441B2962639DCC19DCDD59B0EE7E72E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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