stormser | 95f6d9eaf65c67220c388ea2ce01f1cc6ede87c5330a985d3fd714ec08a19358

General

Target
2026-07-06_b5b590eec78d339a4034ecaf36d29748_elex_goldeneye_wannacry.exe
Size 168KB
Sample260707-btlcbsfs7t
SHA256 95f6d9eaf65c67220c388ea2ce01f1cc6ede87c5330a985d3fd714ec08a19358
MD5 b5b590eec78d339a4034ecaf36d29748
SHA1 3e93dc27942ee638086084c9fac4c7261ad8d966
SHA512 8682c09ca2723118ddc044d208630ab6c7f2940405e1e9288fe39967dec1bca28dc02773e7375112f491191cecd21b252ba5281d6c1ab7b254a9632172dcc379
SSDEEP 1536:1EGh0onlq5IRVhNJ5Qef7BudMeNzVg3Ve+rrS2:1EGh0onlqOPOe2MUVg3Ve+rX
TLSH
T124F36B666B93E8E1D0D302340E64C5129A33FEE441B2962639DCC19DCDD59B0EE7E72E
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/0x000e00000001c596-3.dat	family_stormser
behavioral2/files/0x000e00000001c597-6.dat	family_stormser

Auto-generated rule 2 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c596-3.dat	GoldenEyeRansomware_Dropper_MalformedZoomit
behavioral2/files/0x000e00000001c597-6.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\{067D7CF2-013E-4e43-88D1-D0FCB4D22F15}	2026-07-06_b5b590eec78d339a4034ecaf36d29748_elex_goldeneye_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{067D7CF2-013E-4e43-88D1-D0FCB4D22F15}\stubpath = "C:\\Windows\\{067D7CF2-013E-4e43-88D1-D0FCB4D22F15}.exe"	2026-07-06_b5b590eec78d339a4034ecaf36d29748_elex_goldeneye_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{3906AFAC-1834-492c-828E-85A46E5F09D2}	{067D7CF2-013E-4e43-88D1-D0FCB4D22F15}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{3906AFAC-1834-492c-828E-85A46E5F09D2}\stubpath = "C:\\Windows\\{3906AFAC-1834-492c-828E-85A46E5F09D2}.exe"	{067D7CF2-013E-4e43-88D1-D0FCB4D22F15}.exe

Executes dropped EXE 3 IoCs

pid	Process
3484	{067D7CF2-013E-4e43-88D1-D0FCB4D22F15}.exe
5648	{3906AFAC-1834-492c-828E-85A46E5F09D2}.exe
3076	{3906AFAC-1834-492c-828E-85A46E5F09D2}.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\{067D7CF2-013E-4e43-88D1-D0FCB4D22F15}.exe	2026-07-06_b5b590eec78d339a4034ecaf36d29748_elex_goldeneye_wannacry.exe
File created	C:\Windows\{3906AFAC-1834-492c-828E-85A46E5F09D2}.exe	{067D7CF2-013E-4e43-88D1-D0FCB4D22F15}.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_b5b590eec78d339a4034ecaf36d29748_elex_goldeneye_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{067D7CF2-013E-4e43-88D1-D0FCB4D22F15}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{3906AFAC-1834-492c-828E-85A46E5F09D2}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{3906AFAC-1834-492c-828E-85A46E5F09D2}.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-1-5-21-2049790993-2338060321-149346055-1000\{4700830A-3C11-4D10-86D5-1CB4AABF27F2}	explorer.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	5940	2026-07-06_b5b590eec78d339a4034ecaf36d29748_elex_goldeneye_wannacry.exe
Token: SeIncBasePriorityPrivilege	3484	{067D7CF2-013E-4e43-88D1-D0FCB4D22F15}.exe
Token: SeShutdownPrivilege	5596	explorer.exe
Token: SeCreatePagefilePrivilege	5596	explorer.exe
Token: SeShutdownPrivilege	5596	explorer.exe
Token: SeCreatePagefilePrivilege	5596	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1744	sihost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5940 wrote to memory of 3484	5940	2026-07-06_b5b590eec78d339a4034ecaf36d29748_elex_goldeneye_wannacry.exe	87
PID 5940 wrote to memory of 1632	5940	2026-07-06_b5b590eec78d339a4034ecaf36d29748_elex_goldeneye_wannacry.exe	88
PID 3484 wrote to memory of 5648	3484	{067D7CF2-013E-4e43-88D1-D0FCB4D22F15}.exe	89
PID 3484 wrote to memory of 5104	3484	{067D7CF2-013E-4e43-88D1-D0FCB4D22F15}.exe	90
PID 1744 wrote to memory of 5596	1744	sihost.exe	95
PID 5596 wrote to memory of 3076	5596	explorer.exe	96

C:\Users\Admin\AppData\Local\Temp\2026-07-06_b5b590eec78d339a4034ecaf36d29748_elex_goldeneye_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-06_b5b590eec78d339a4034ecaf36d29748_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:5940
- C:\Windows\{067D7CF2-013E-4e43-88D1-D0FCB4D22F15}.exe
  C:\Windows\{067D7CF2-013E-4e43-88D1-D0FCB4D22F15}.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:3484
- - C:\Windows\{3906AFAC-1834-492c-828E-85A46E5F09D2}.exe
    C:\Windows\{3906AFAC-1834-492c-828E-85A46E5F09D2}.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5648
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\{067D7~1.EXE > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5104
- 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:1632

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\explorer.exe
  explorer.exe /LOADSAVEDWINDOWS
  2⤵
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5596
- - C:\Windows\{3906AFAC-1834-492c-828E-85A46E5F09D2}.exe
    "C:\Windows\{3906AFAC-1834-492c-828E-85A46E5F09D2}.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3076

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

{067D7CF2-013E-4e43-88D1-D0FCB4D22F15}.exe

Path C:\Windows\{067D7CF2-013E-4e43-88D1-D0FCB4D22F15}.exe
Size 168KB
SHA256 2ce84b98dc7126922d9ab4bcf0d1b39a0b42b712ae886773154f54da8cd904ce
MD5 3f9f4982047b37d864c0b32dda268a67
SHA1 d3c49b60064f5d640cdcc306fac9cec93ce34eb7
SHA512 80f3e2f1729f536d25291a18e06f46bc7ac3326767e79425f8993eb72c5bd7ebe962e16c08fa88126a003afbcbb9c29fb7f1b1ecd21510cae64875db08608ba4
SSDEEP 1536:1EGh0oLlq5IRVhNJ5Qef7BudMeNzVg3Ve+rrS2:1EGh0oLlqOPOe2MUVg3Ve+rX
TLSH
T112F36B666B93E8E1D0D302340E64C5129A33FEE441B2962639D8C19DCDD59B0EE7E72E
MD5 SHA1 SHA512 SSDEEP TLSH

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{3906AFAC-1834-492c-828E-85A46E5F09D2}.exe

Path C:\Windows\{3906AFAC-1834-492c-828E-85A46E5F09D2}.exe
Size 168KB
SHA256 ab0768bc7337b001b481020ab7778f44054255fd6384470bb235a930bef1c9dc
MD5 739e51fd1fe01ad021df1d8126deb113
SHA1 e81ca74868c71ae4b70846efa24785aae9dd41a3
SHA512 c473d1c727451ad79cf5e23c9ce80000e7e2416af4576787a2ee7981eb98ae7b362a1725cf6adaade32607029a7ad8f549c25fa14b30b7f99d922b01aa86f95c
SSDEEP 1536:1EGh0oglq5IRVhNJ5Qef7BudMeNzVg3Ve+rrS2:1EGh0oglqOPOe2MUVg3Ve+rX
TLSH
T145F36B666B93E8E1D0D302340E64C5129A33FEE441B2962639DCC19DCDD59B0EE7E72E
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