stormser | 343f8f25dadad65e4c13b50b5670a54090ad146f770f8ab893a76024d3eb437d

General

Target
2026-07-06_da1eb89857fc9be798a1e15102798e55_elex_goldeneye_wannacry.exe
Size 344KB
Sample260706-v5tydsat4w
SHA256 343f8f25dadad65e4c13b50b5670a54090ad146f770f8ab893a76024d3eb437d
MD5 da1eb89857fc9be798a1e15102798e55
SHA1 4e8ea2419e3e3317059324b11bb5be69099ec0cc
SHA512 e524bb2feaba49f8ca0515657da5ed32c0fd4baa1689c0fae4c64aadaf9a8bb19623ebe0f1504c3d3d709be02d7187e459adf15d7c88d128547c55a2044f25a3
SSDEEP 3072:mEGh0oWlEOiDOe2MUVg3bHrH/HqOYGb+4QnZZIne+rcC4F0fJGRIS8Rfd7eQEcGL:mEGUlqOe2MUVg3v2IneKcAEcA
TLSH
T1BE74923A6FE5D9E4F0B34B714DB5C20065BBBEA06A71CB1F109E505E8C21AE08D66737
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/0x000d00000001c5c0-3.dat	family_stormser
behavioral2/files/0x000d00000001c5c1-6.dat	family_stormser

Auto-generated rule 2 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001c5c0-3.dat	GoldenEyeRansomware_Dropper_MalformedZoomit
behavioral2/files/0x000d00000001c5c1-6.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\{6B2A9B40-E382-469f-9847-D571D15544AD}	2026-07-06_da1eb89857fc9be798a1e15102798e55_elex_goldeneye_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{6B2A9B40-E382-469f-9847-D571D15544AD}\stubpath = "C:\\Windows\\{6B2A9B40-E382-469f-9847-D571D15544AD}.exe"	2026-07-06_da1eb89857fc9be798a1e15102798e55_elex_goldeneye_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{E4A2E15D-80A1-4004-8FF0-2042EF34BE27}	{6B2A9B40-E382-469f-9847-D571D15544AD}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{E4A2E15D-80A1-4004-8FF0-2042EF34BE27}\stubpath = "C:\\Windows\\{E4A2E15D-80A1-4004-8FF0-2042EF34BE27}.exe"	{6B2A9B40-E382-469f-9847-D571D15544AD}.exe

Executes dropped EXE 3 IoCs

pid	Process
3384	{6B2A9B40-E382-469f-9847-D571D15544AD}.exe
2108	{E4A2E15D-80A1-4004-8FF0-2042EF34BE27}.exe
3412	{E4A2E15D-80A1-4004-8FF0-2042EF34BE27}.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\{E4A2E15D-80A1-4004-8FF0-2042EF34BE27}.exe	{6B2A9B40-E382-469f-9847-D571D15544AD}.exe
File created	C:\Windows\{6B2A9B40-E382-469f-9847-D571D15544AD}.exe	2026-07-06_da1eb89857fc9be798a1e15102798e55_elex_goldeneye_wannacry.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	{E4A2E15D-80A1-4004-8FF0-2042EF34BE27}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-06_da1eb89857fc9be798a1e15102798e55_elex_goldeneye_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{6B2A9B40-E382-469f-9847-D571D15544AD}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{E4A2E15D-80A1-4004-8FF0-2042EF34BE27}.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-1-5-21-2699128254-3633964024-152949075-1000\{0E354E29-95A2-4880-A179-70B61D8E179D}	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	5968	2026-07-06_da1eb89857fc9be798a1e15102798e55_elex_goldeneye_wannacry.exe
Token: SeIncBasePriorityPrivilege	3384	{6B2A9B40-E382-469f-9847-D571D15544AD}.exe
Token: SeShutdownPrivilege	4500	explorer.exe
Token: SeCreatePagefilePrivilege	4500	explorer.exe
Token: SeShutdownPrivilege	4500	explorer.exe
Token: SeCreatePagefilePrivilege	4500	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
6080	sihost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5968 wrote to memory of 3384	5968	2026-07-06_da1eb89857fc9be798a1e15102798e55_elex_goldeneye_wannacry.exe	87
PID 5968 wrote to memory of 5868	5968	2026-07-06_da1eb89857fc9be798a1e15102798e55_elex_goldeneye_wannacry.exe	88
PID 3384 wrote to memory of 2108	3384	{6B2A9B40-E382-469f-9847-D571D15544AD}.exe	89
PID 3384 wrote to memory of 2604	3384	{6B2A9B40-E382-469f-9847-D571D15544AD}.exe	90
PID 6080 wrote to memory of 4500	6080	sihost.exe	95
PID 4500 wrote to memory of 3412	4500	explorer.exe	96

C:\Users\Admin\AppData\Local\Temp\2026-07-06_da1eb89857fc9be798a1e15102798e55_elex_goldeneye_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-06_da1eb89857fc9be798a1e15102798e55_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:5968
- C:\Windows\{6B2A9B40-E382-469f-9847-D571D15544AD}.exe
  C:\Windows\{6B2A9B40-E382-469f-9847-D571D15544AD}.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:3384
- - C:\Windows\{E4A2E15D-80A1-4004-8FF0-2042EF34BE27}.exe
    C:\Windows\{E4A2E15D-80A1-4004-8FF0-2042EF34BE27}.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2108
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\{6B2A9~1.EXE > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2604
- 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:5868

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:6080
- C:\Windows\explorer.exe
  explorer.exe /LOADSAVEDWINDOWS
  2⤵
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4500
- - C:\Windows\{E4A2E15D-80A1-4004-8FF0-2042EF34BE27}.exe
    "C:\Windows\{E4A2E15D-80A1-4004-8FF0-2042EF34BE27}.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3412

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

{6B2A9B40-E382-469f-9847-D571D15544AD}.exe

Path C:\Windows\{6B2A9B40-E382-469f-9847-D571D15544AD}.exe
Size 344KB
SHA256 097d46fb87dcab7287e6409703b64800455a3ac90c6492dab9032663a19ea519
MD5 eb86975d944643af678a603c64112f38
SHA1 e5bf948daba5d9fc6d4cfe6ccc93d851df5c0dd0
SHA512 8f88101ac753cbd9e775eaefdd80a700679d3f4fd8be980ed4b711ecb2d54cfa11468787e1a7e4b7b0bac0a00c965c73d9c5202b78bf42d9d06637bb34048531
SSDEEP 3072:mEGh0oGlEOiDOe2MUVg3bHrH/HqOYGb+4QnZZIne+rcC4F0fJGRIS8Rfd7eQEcGL:mEGAlqOe2MUVg3v2IneKcAEcA
TLSH
T17E74923A6FE5D9E4F0B34B714DB5C20065BBBEA06A71CB1F109E505E8C21AE08D66737
MD5 SHA1 SHA512 SSDEEP TLSH

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{E4A2E15D-80A1-4004-8FF0-2042EF34BE27}.exe

Path C:\Windows\{E4A2E15D-80A1-4004-8FF0-2042EF34BE27}.exe
Size 344KB
SHA256 9b8ff272774ff030014b50c0d8ea3d5ac6019cc840700bf600ef6bdab511d44b
MD5 f1d0070f1061c4b8ed73c8f0c8ec6d32
SHA1 f7f819146cc868b6f386aca88106c7a5c62bc2bc
SHA512 c3621dcc96242b110a93c3a1a51deca012289035842c502d3f0fb8f8ce6af1bd232d59c450b6253ac310208a55433368f1db536ada1bf8acd06b3f2d5a4c9e1e
SSDEEP 3072:mEGh0ovlEOiDOe2MUVg3bHrH/HqOYGb+4QnZZIne+rcC4F0fJGRIS8Rfd7eQEcGL:mEG5lqOe2MUVg3v2IneKcAEcA
TLSH
T18474923A6FE5D9E4F0B34B714DB5C20065BBBEA06A71CB1F109E505E8C21AE08D66737
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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