stormser | 8f38f0c0aa34a74b4dab2af9cfa6ab778c6ee9d1ae30de4358c9957834a1dc1d

General

Target
2026-06-30_a0ce6892ef46d30bdbd30d6566429c4e_elex_goldeneye_wannacry.exe
Size 372KB
Sample260701-d4hejafv4x
SHA256 8f38f0c0aa34a74b4dab2af9cfa6ab778c6ee9d1ae30de4358c9957834a1dc1d
MD5 a0ce6892ef46d30bdbd30d6566429c4e
SHA1 c621198ce1cd86f4dda456dc6890a188add84510
SHA512 82bf148d62d346c9f69035fbc7e2ce308495b7393f5b363bb437569f8f1140aab1d275b98667b940cc5a5ff2290ef26185d30dbef30268c7434925016e46d5e9
SSDEEP 3072:CEGh0oDlMOiNOe2MUVg3bHrH/HqOYGte+rcC4F0fJGRIS8Rfd7eQEcGcrTutTBfM:CEGdlkOe2MUVg3vTeKcAEciTBqr3
TLSH
T125846D2067F6E698F5F30FB8ADB581409D7BBE916D31D61D22A8000E8D71A90DE71B37
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 3 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c554-3.dat	family_stormser
behavioral2/files/0x000e00000001c555-6.dat	family_stormser
behavioral2/files/0x000e00000001c557-13.dat	family_stormser

Auto-generated rule 3 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c554-3.dat	GoldenEyeRansomware_Dropper_MalformedZoomit
behavioral2/files/0x000e00000001c555-6.dat	GoldenEyeRansomware_Dropper_MalformedZoomit
behavioral2/files/0x000e00000001c557-13.dat	GoldenEyeRansomware_Dropper_MalformedZoomit

Boot or Logon Autostart Execution: Active Setup 2 TTPs 6 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\{F09A44D2-AFFC-4260-9567-FEEBBA6922B8}	2026-06-30_a0ce6892ef46d30bdbd30d6566429c4e_elex_goldeneye_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F09A44D2-AFFC-4260-9567-FEEBBA6922B8}\stubpath = "C:\\Windows\\{F09A44D2-AFFC-4260-9567-FEEBBA6922B8}.exe"	2026-06-30_a0ce6892ef46d30bdbd30d6566429c4e_elex_goldeneye_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F2A8F6B8-93B9-4815-A3F3-FF3FD84CCF96}	{F09A44D2-AFFC-4260-9567-FEEBBA6922B8}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F2A8F6B8-93B9-4815-A3F3-FF3FD84CCF96}\stubpath = "C:\\Windows\\{F2A8F6B8-93B9-4815-A3F3-FF3FD84CCF96}.exe"	{F09A44D2-AFFC-4260-9567-FEEBBA6922B8}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F9843B23-BD83-46f9-8E18-501A27841338}	{F2A8F6B8-93B9-4815-A3F3-FF3FD84CCF96}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F9843B23-BD83-46f9-8E18-501A27841338}\stubpath = "C:\\Windows\\{F9843B23-BD83-46f9-8E18-501A27841338}.exe"	{F2A8F6B8-93B9-4815-A3F3-FF3FD84CCF96}.exe

Executes dropped EXE 4 IoCs

pid	Process
4984	{F09A44D2-AFFC-4260-9567-FEEBBA6922B8}.exe
1488	{F2A8F6B8-93B9-4815-A3F3-FF3FD84CCF96}.exe
5828	{F9843B23-BD83-46f9-8E18-501A27841338}.exe
1676	{F9843B23-BD83-46f9-8E18-501A27841338}.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\{F09A44D2-AFFC-4260-9567-FEEBBA6922B8}.exe	2026-06-30_a0ce6892ef46d30bdbd30d6566429c4e_elex_goldeneye_wannacry.exe
File created	C:\Windows\{F2A8F6B8-93B9-4815-A3F3-FF3FD84CCF96}.exe	{F09A44D2-AFFC-4260-9567-FEEBBA6922B8}.exe
File created	C:\Windows\{F9843B23-BD83-46f9-8E18-501A27841338}.exe	{F2A8F6B8-93B9-4815-A3F3-FF3FD84CCF96}.exe

System Location Discovery: System Language Discovery 1 TTPs 8 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	{F09A44D2-AFFC-4260-9567-FEEBBA6922B8}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{F9843B23-BD83-46f9-8E18-501A27841338}.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	{F2A8F6B8-93B9-4815-A3F3-FF3FD84CCF96}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{F9843B23-BD83-46f9-8E18-501A27841338}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-06-30_a0ce6892ef46d30bdbd30d6566429c4e_elex_goldeneye_wannacry.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-1-5-21-2132828192-1552876075-2324613956-1000\{C6E91BF6-CF35-45F1-A17C-C329D9B4025E}	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 7 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4228	2026-06-30_a0ce6892ef46d30bdbd30d6566429c4e_elex_goldeneye_wannacry.exe
Token: SeIncBasePriorityPrivilege	4984	{F09A44D2-AFFC-4260-9567-FEEBBA6922B8}.exe
Token: SeIncBasePriorityPrivilege	1488	{F2A8F6B8-93B9-4815-A3F3-FF3FD84CCF96}.exe
Token: SeShutdownPrivilege	576	explorer.exe
Token: SeCreatePagefilePrivilege	576	explorer.exe
Token: SeShutdownPrivilege	576	explorer.exe
Token: SeCreatePagefilePrivilege	576	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5432	sihost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4228 wrote to memory of 4984	4228	2026-06-30_a0ce6892ef46d30bdbd30d6566429c4e_elex_goldeneye_wannacry.exe	88
PID 4228 wrote to memory of 1644	4228	2026-06-30_a0ce6892ef46d30bdbd30d6566429c4e_elex_goldeneye_wannacry.exe	89
PID 4984 wrote to memory of 1488	4984	{F09A44D2-AFFC-4260-9567-FEEBBA6922B8}.exe	90
PID 4984 wrote to memory of 2472	4984	{F09A44D2-AFFC-4260-9567-FEEBBA6922B8}.exe	91
PID 1488 wrote to memory of 5828	1488	{F2A8F6B8-93B9-4815-A3F3-FF3FD84CCF96}.exe	93
PID 1488 wrote to memory of 1312	1488	{F2A8F6B8-93B9-4815-A3F3-FF3FD84CCF96}.exe	94
PID 5432 wrote to memory of 576	5432	sihost.exe	99
PID 576 wrote to memory of 1676	576	explorer.exe	100

C:\Users\Admin\AppData\Local\Temp\2026-06-30_a0ce6892ef46d30bdbd30d6566429c4e_elex_goldeneye_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-30_a0ce6892ef46d30bdbd30d6566429c4e_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:4228
- C:\Windows\{F09A44D2-AFFC-4260-9567-FEEBBA6922B8}.exe
  C:\Windows\{F09A44D2-AFFC-4260-9567-FEEBBA6922B8}.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:4984
- - C:\Windows\{F2A8F6B8-93B9-4815-A3F3-FF3FD84CCF96}.exe
    C:\Windows\{F2A8F6B8-93B9-4815-A3F3-FF3FD84CCF96}.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:1488
  - - C:\Windows\{F9843B23-BD83-46f9-8E18-501A27841338}.exe
      C:\Windows\{F9843B23-BD83-46f9-8E18-501A27841338}.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:5828
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Windows\{F2A8F~1.EXE > nul
      4⤵
      System Location Discovery: System Language Discovery
      PID:1312
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\{F09A4~1.EXE > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2472
- 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:1644

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5432
- C:\Windows\explorer.exe
  explorer.exe /LOADSAVEDWINDOWS
  2⤵
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:576
- - C:\Windows\{F9843B23-BD83-46f9-8E18-501A27841338}.exe
    "C:\Windows\{F9843B23-BD83-46f9-8E18-501A27841338}.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1676

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

{F09A44D2-AFFC-4260-9567-FEEBBA6922B8}.exe

Path C:\Windows\{F09A44D2-AFFC-4260-9567-FEEBBA6922B8}.exe
Size 372KB
SHA256 7f6857a9a543551b655f42661f4bce236bdaab0780621a799ecff713fd92d790
MD5 c6e19d2765bf3ecffb49c1e9cb9f4bf1
SHA1 dd76fdf1f9d84bc39552bdf19ace4ccd3a771da6
SHA512 166920c3c040b59513a538d7deaf36576073045b5f7e4d841a918225ba79214bea694a276cbeaf4a8bab3564e067f022460627572ff518fee9e81c97c64daf7b
SSDEEP 3072:CEGh0o3lMOiNOe2MUVg3bHrH/HqOYGte+rcC4F0fJGRIS8Rfd7eQEcGcrTutTBfM:CEGNlkOe2MUVg3vTeKcAEciTBqr3
TLSH
T19A846D2067F6E698F5F30FB8ADB581409D7BBE916D31D61D22A8000E8D71A90DE71B37
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{F2A8F6B8-93B9-4815-A3F3-FF3FD84CCF96}.exe

Path C:\Windows\{F2A8F6B8-93B9-4815-A3F3-FF3FD84CCF96}.exe
Size 372KB
SHA256 72499018a9665fc982006ea226da9f32db282ea512728034673a0999a7a26ac5
MD5 2e33c7e08e95991756f0228feba56efd
SHA1 a5f4b584bdf0b9700a9b1a47b91ff1a9fa8ea988
SHA512 e44d926585071e204c766f08cf91e00115e32b61865c913d5bcd5522e17ac3259dd5ed19360d7c7a979afbc4ec0daedae82100f8c76988f2a5b583fda40d2fc0
SSDEEP 3072:CEGh0ovlMOiNOe2MUVg3bHrH/HqOYGte+rcC4F0fJGRIS8Rfd7eQEcGcrTutTBfM:CEGdlkOe2MUVg3vTeKcAEciTBqr3
TLSH
T10B846D2067F6E698F5F30FB8ADB581409D7BBE916D31D61D22A8000E8D71A90DE71B37
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{F9843B23-BD83-46f9-8E18-501A27841338}.exe

Path C:\Windows\{F9843B23-BD83-46f9-8E18-501A27841338}.exe
Size 372KB
SHA256 9e5369eb22cf971cd2bf915ba43d9a7af12e73bda182667a1ebc40e59fb1f9e5
MD5 6dcb452240736c292103807391900287
SHA1 85f2f8515e0e29eaa5e4e18218cd81565d3de543
SHA512 1e11fa3759e4a0c8f749ab28add9181405d5fde6cbc48f8ad392809cb033ef2ad5db1298f926f04d1932255fc4bac8553df1ad67a678edc9ae7cfa24d2ebe30c
SSDEEP 3072:CEGh0oIlMOiNOe2MUVg3bHrH/HqOYGte+rcC4F0fJGRIS8Rfd7eQEcGcrTutTBfM:CEG6lkOe2MUVg3vTeKcAEciTBqr3
TLSH
T100846D2067F6E698F5F30FB8ADB581409D7BBE916D31D61D22A8000E8D71A90DE71B37
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