stormser | e8acc1311ec34df83039840f949a343984c1433a82831f2d27c4b62863e6f907

General

Target
2026-07-06_566c25e62c6b75a79ad9400e4358e4e9_elex_goldeneye_wannacry.exe
Size 204KB
Sample260706-wv3yzsbs4z
SHA256 e8acc1311ec34df83039840f949a343984c1433a82831f2d27c4b62863e6f907
MD5 566c25e62c6b75a79ad9400e4358e4e9
SHA1 ea930edb4c6caf8e2327769cdd0f2bd86914708a
SHA512 8042c9e6b4e4349326dfbb167abbfbe75653e2d4eee1a8dac8c970932134d20da226152c8886eb2cc68fed27ab199f017ce07bd59e3e931b7035865f23fb086e
SSDEEP 1536:1EGh0oXl15IRVhNJ5Qef7BudMeNzVg3Ve+rrS2GunMxVS3Hgdo:1EGh0oXl1OPOe2MUVg3Ve+rXfMUy
TLSH
T1161419396FD394B2D0B3C2744AF08583FE23FD9235614E1E25D543458C62A62EDABE2D
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 2 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c4f0-3.dat	family_stormser
behavioral2/files/0x000e00000001c4f2-6.dat	family_stormser

Auto-generated rule 2 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c4f0-3.dat	GoldenEyeRansomware_Dropper_MalformedZoomit
behavioral2/files/0x000e00000001c4f2-6.dat	GoldenEyeRansomware_Dropper_MalformedZoomit

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 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\{575DCCEC-F08B-403b-B046-01DD906B0FFE}	2026-07-06_566c25e62c6b75a79ad9400e4358e4e9_elex_goldeneye_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{575DCCEC-F08B-403b-B046-01DD906B0FFE}\stubpath = "C:\\Windows\\{575DCCEC-F08B-403b-B046-01DD906B0FFE}.exe"	2026-07-06_566c25e62c6b75a79ad9400e4358e4e9_elex_goldeneye_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A77B2EE7-1D11-445f-B7DD-2D47A7732568}	{575DCCEC-F08B-403b-B046-01DD906B0FFE}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A77B2EE7-1D11-445f-B7DD-2D47A7732568}\stubpath = "C:\\Windows\\{A77B2EE7-1D11-445f-B7DD-2D47A7732568}.exe"	{575DCCEC-F08B-403b-B046-01DD906B0FFE}.exe

Executes dropped EXE 3 IoCs

pid	Process
2700	{575DCCEC-F08B-403b-B046-01DD906B0FFE}.exe
3188	{A77B2EE7-1D11-445f-B7DD-2D47A7732568}.exe
1492	{A77B2EE7-1D11-445f-B7DD-2D47A7732568}.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\{575DCCEC-F08B-403b-B046-01DD906B0FFE}.exe	2026-07-06_566c25e62c6b75a79ad9400e4358e4e9_elex_goldeneye_wannacry.exe
File created	C:\Windows\{A77B2EE7-1D11-445f-B7DD-2D47A7732568}.exe	{575DCCEC-F08B-403b-B046-01DD906B0FFE}.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	2026-07-06_566c25e62c6b75a79ad9400e4358e4e9_elex_goldeneye_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{575DCCEC-F08B-403b-B046-01DD906B0FFE}.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	{A77B2EE7-1D11-445f-B7DD-2D47A7732568}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{A77B2EE7-1D11-445f-B7DD-2D47A7732568}.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-1-5-21-2049790993-2338060321-149346055-1000\{514499DA-EA26-45D0-95F4-FC6AE1256396}	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 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	424	2026-07-06_566c25e62c6b75a79ad9400e4358e4e9_elex_goldeneye_wannacry.exe
Token: SeIncBasePriorityPrivilege	2700	{575DCCEC-F08B-403b-B046-01DD906B0FFE}.exe
Token: SeShutdownPrivilege	5024	explorer.exe
Token: SeCreatePagefilePrivilege	5024	explorer.exe
Token: SeShutdownPrivilege	5024	explorer.exe
Token: SeCreatePagefilePrivilege	5024	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1720	sihost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 424 wrote to memory of 2700	424	2026-07-06_566c25e62c6b75a79ad9400e4358e4e9_elex_goldeneye_wannacry.exe	87
PID 424 wrote to memory of 1768	424	2026-07-06_566c25e62c6b75a79ad9400e4358e4e9_elex_goldeneye_wannacry.exe	88
PID 2700 wrote to memory of 3188	2700	{575DCCEC-F08B-403b-B046-01DD906B0FFE}.exe	89
PID 2700 wrote to memory of 1812	2700	{575DCCEC-F08B-403b-B046-01DD906B0FFE}.exe	90
PID 1720 wrote to memory of 5024	1720	sihost.exe	95
PID 5024 wrote to memory of 1492	5024	explorer.exe	96

C:\Users\Admin\AppData\Local\Temp\2026-07-06_566c25e62c6b75a79ad9400e4358e4e9_elex_goldeneye_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-06_566c25e62c6b75a79ad9400e4358e4e9_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:424
- C:\Windows\{575DCCEC-F08B-403b-B046-01DD906B0FFE}.exe
  C:\Windows\{575DCCEC-F08B-403b-B046-01DD906B0FFE}.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:2700
- - C:\Windows\{A77B2EE7-1D11-445f-B7DD-2D47A7732568}.exe
    C:\Windows\{A77B2EE7-1D11-445f-B7DD-2D47A7732568}.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3188
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\{575DC~1.EXE > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1812
- 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:1768

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\explorer.exe
  explorer.exe /LOADSAVEDWINDOWS
  2⤵
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5024
- - C:\Windows\{A77B2EE7-1D11-445f-B7DD-2D47A7732568}.exe
    "C:\Windows\{A77B2EE7-1D11-445f-B7DD-2D47A7732568}.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1492

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

{575DCCEC-F08B-403b-B046-01DD906B0FFE}.exe

Path C:\Windows\{575DCCEC-F08B-403b-B046-01DD906B0FFE}.exe
Size 204KB
SHA256 67698b21db7a55660a87cbf434b520c43adadb54630ba81ff7cbdac58728141c
MD5 da534ef648be26511965983ddb0576a0
SHA1 25413cbba78218f7926a5d3d115c88bafc97ff4a
SHA512 f5e1ff4bc1b83e4cd4e82467a2a92f0c6f9a3488f7bdc01c1c89ab11f14eec94993be4f5cff412ea129bb81e93ceef90375c61b9e5c59bb9377772eddb032c51
SSDEEP 1536:1EGh0obl15IRVhNJ5Qef7BudMeNzVg3Ve+rrS2GunMxVS3Hgdo:1EGh0obl1OPOe2MUVg3Ve+rXfMUy
TLSH
T1D81419396FD394B2D0B3C2744AF18583FE23FD9235614E0E25D543458C62A62EDABE2D
MD5 SHA1 SHA512 SSDEEP TLSH

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{A77B2EE7-1D11-445f-B7DD-2D47A7732568}.exe

Path C:\Windows\{A77B2EE7-1D11-445f-B7DD-2D47A7732568}.exe
Size 204KB
SHA256 a3d5a0be489b0604522b36dff9aee917070898c7fa97de169bca7fc0353d58fc
MD5 17dc089418bbe9c57651387af9c557e8
SHA1 4184e211852179daff8090d721880a7355208180
SHA512 4770091e4470e17f9c5d41e0460707f338442b407fc2e02dd588b9a037507a51c20b793fd00e337a1db83adeb88848ed48f553d03696ce797dab1f933ba36843
SSDEEP 1536:1EGh0o9l15IRVhNJ5Qef7BudMeNzVg3Ve+rrS2GunMxVS3Hgdo:1EGh0o9l1OPOe2MUVg3Ve+rXfMUy
TLSH
T1FB1419396FD394B2D0B3C2744AF18583FE23FD9235614E0E25D543458C62A62EDABE2D
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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