stormser | 835532aa90dc42b043df4ef921800958815356a8841927d81c4a74ddb37f1fe5

General

Target
2026-07-02_972475ab0ef5e24a33b90491e4d3b685_elex_goldeneye_wannacry.exe
Size 349KB
Sample260702-nc9d2se15j
SHA256 835532aa90dc42b043df4ef921800958815356a8841927d81c4a74ddb37f1fe5
MD5 972475ab0ef5e24a33b90491e4d3b685
SHA1 e9eac2df03c9be142982109101f84a3f587673dc
SHA512 ae3347d5da4536e74eab5184cf5dbe61977d38bb57c15d2d0668b64067375d01c1137dd2e0c640a53d4df2748d36da8ebf2ae2871c18fe735ea45499ef22d792
SSDEEP 3072:jEGh0oylfOso7ie+rcC4F0fJGRIS8Rfd7eQEcGcrANYEGh0otlfOso7ie+rcC4FE:jEGol5eKcAEcgYEGDl5eKcI
TLSH
T1BE74F72233F58A65F0F30B310CB5C1516A37BF919AB5D91E32C8715E0A76A80CA75B3B
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/0x000e00000001c52a-3.dat	family_stormser
behavioral2/files/0x000e00000001c52b-6.dat	family_stormser

Auto-generated rule 2 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c52a-3.dat	GoldenEyeRansomware_Dropper_MalformedZoomit
behavioral2/files/0x000e00000001c52b-6.dat	GoldenEyeRansomware_Dropper_MalformedZoomit

Detects Windows executables referencing Office macro registry keys. Observed modifying Office config 2 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c52a-3.dat	INDICATOR_SUSPICIOUS_EXE_Enable_OfficeMacro
behavioral2/files/0x000e00000001c52b-6.dat	INDICATOR_SUSPICIOUS_EXE_Enable_OfficeMacro

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\{65B2BEB8-6203-4189-A9C1-EA115F443F44}	2026-07-02_972475ab0ef5e24a33b90491e4d3b685_elex_goldeneye_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{65B2BEB8-6203-4189-A9C1-EA115F443F44}\stubpath = "C:\\Windows\\{65B2BEB8-6203-4189-A9C1-EA115F443F44}.exe"	2026-07-02_972475ab0ef5e24a33b90491e4d3b685_elex_goldeneye_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{8BA8AC2F-4818-49fc-95DF-4E3498F7AB76}	{65B2BEB8-6203-4189-A9C1-EA115F443F44}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{8BA8AC2F-4818-49fc-95DF-4E3498F7AB76}\stubpath = "C:\\Windows\\{8BA8AC2F-4818-49fc-95DF-4E3498F7AB76}.exe"	{65B2BEB8-6203-4189-A9C1-EA115F443F44}.exe

Executes dropped EXE 3 IoCs

pid	Process
5576	{65B2BEB8-6203-4189-A9C1-EA115F443F44}.exe
1888	{8BA8AC2F-4818-49fc-95DF-4E3498F7AB76}.exe
3468	{8BA8AC2F-4818-49fc-95DF-4E3498F7AB76}.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\{65B2BEB8-6203-4189-A9C1-EA115F443F44}.exe	2026-07-02_972475ab0ef5e24a33b90491e4d3b685_elex_goldeneye_wannacry.exe
File created	C:\Windows\{8BA8AC2F-4818-49fc-95DF-4E3498F7AB76}.exe	{65B2BEB8-6203-4189-A9C1-EA115F443F44}.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	{8BA8AC2F-4818-49fc-95DF-4E3498F7AB76}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-02_972475ab0ef5e24a33b90491e4d3b685_elex_goldeneye_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{65B2BEB8-6203-4189-A9C1-EA115F443F44}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{8BA8AC2F-4818-49fc-95DF-4E3498F7AB76}.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-1-5-21-2639994890-966400312-4246138405-1000\{7314FC68-B324-4E09-87A1-E0F95C442EF1}	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	4828	2026-07-02_972475ab0ef5e24a33b90491e4d3b685_elex_goldeneye_wannacry.exe
Token: SeIncBasePriorityPrivilege	5576	{65B2BEB8-6203-4189-A9C1-EA115F443F44}.exe
Token: SeShutdownPrivilege	4712	explorer.exe
Token: SeCreatePagefilePrivilege	4712	explorer.exe
Token: SeShutdownPrivilege	4712	explorer.exe
Token: SeCreatePagefilePrivilege	4712	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3640	sihost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 5576	4828	2026-07-02_972475ab0ef5e24a33b90491e4d3b685_elex_goldeneye_wannacry.exe	88
PID 4828 wrote to memory of 3860	4828	2026-07-02_972475ab0ef5e24a33b90491e4d3b685_elex_goldeneye_wannacry.exe	89
PID 5576 wrote to memory of 1888	5576	{65B2BEB8-6203-4189-A9C1-EA115F443F44}.exe	90
PID 5576 wrote to memory of 4864	5576	{65B2BEB8-6203-4189-A9C1-EA115F443F44}.exe	91
PID 3640 wrote to memory of 4712	3640	sihost.exe	96
PID 4712 wrote to memory of 3468	4712	explorer.exe	97

C:\Users\Admin\AppData\Local\Temp\2026-07-02_972475ab0ef5e24a33b90491e4d3b685_elex_goldeneye_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-02_972475ab0ef5e24a33b90491e4d3b685_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:4828
- C:\Windows\{65B2BEB8-6203-4189-A9C1-EA115F443F44}.exe
  C:\Windows\{65B2BEB8-6203-4189-A9C1-EA115F443F44}.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:5576
- - C:\Windows\{8BA8AC2F-4818-49fc-95DF-4E3498F7AB76}.exe
    C:\Windows\{8BA8AC2F-4818-49fc-95DF-4E3498F7AB76}.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1888
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\{65B2B~1.EXE > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4864
- 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:3860

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3640
- C:\Windows\explorer.exe
  explorer.exe /LOADSAVEDWINDOWS
  2⤵
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4712
- - C:\Windows\{8BA8AC2F-4818-49fc-95DF-4E3498F7AB76}.exe
    "C:\Windows\{8BA8AC2F-4818-49fc-95DF-4E3498F7AB76}.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3468

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

{65B2BEB8-6203-4189-A9C1-EA115F443F44}.exe

Path C:\Windows\{65B2BEB8-6203-4189-A9C1-EA115F443F44}.exe
Size 349KB
SHA256 2e37dd8f73090329367d3c55f27df10b135f4667fe6febb10bc93740940fff77
MD5 27ce496a2ec6be72159152b60fbdf998
SHA1 14fd6e5d1d2b0f1272b078b8dee1975380209a27
SHA512 c741e4c89e383cd92ece9c0c79458ec8a6a76c37f055501c7ad105755263676d76ffc7f05f990b4e9566bf49c4fc53a2f01b839f38ac146299935cad6dfdb865
SSDEEP 3072:jEGh0oJlfOso7ie+rcC4F0fJGRIS8Rfd7eQEcGcrANYEGh0otlfOso7ie+rcC4FE:jEGvl5eKcAEcgYEGDl5eKcI
TLSH
T1B574F72233F58A65F0F30B310CB5C1516A37BF919AB5D91E32C8715E0A76A80CA75B3B
MD5 SHA1 SHA512 SSDEEP TLSH

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{8BA8AC2F-4818-49fc-95DF-4E3498F7AB76}.exe

Path C:\Windows\{8BA8AC2F-4818-49fc-95DF-4E3498F7AB76}.exe
Size 349KB
SHA256 018200879a7407580748348b9d6998ec91d7cd3fbcb64089138cdba005e63baa
MD5 29c3d2c8ced555d80a81de26394eae17
SHA1 aecd09e25b46ebdaea85d21823ffd31d8751871d
SHA512 c825459743b82802eb0954b8721bbf7b577941ce22c87bf181111f6bb33f3115d8f8fc9f9ecb20e24e7b4c58e65b9a6483062f4840c93859c824c091da0c1610
SSDEEP 3072:jEGh0oKlfOso7ie+rcC4F0fJGRIS8Rfd7eQEcGcrANYEGh0otlfOso7ie+rcC4FE:jEG0l5eKcAEcgYEGDl5eKcI
TLSH
T1A074F72233F58A65F0F30B350CB5C1516A37BF919AB5D91E32C8715E0A76A80CA75B3B
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