stormser | 48931f088993975d4d8aa2dc0b386cbc7470abd8a48c4d524bcbc6ce2c8ab326

General

Target
2026-08-20_2d6a144a815203be5efcbfea1ecbf431_elex_goldeneye_wannacry.exe
Size 408KB
Sample260820-s8vb8atwfs
SHA256 48931f088993975d4d8aa2dc0b386cbc7470abd8a48c4d524bcbc6ce2c8ab326
MD5 2d6a144a815203be5efcbfea1ecbf431
SHA1 2a42bde59689c0f98976553f427448d1b076f14b
SHA512 1db2ee636f6cf64fb70a6fc3f207984df8b560041e16728f4fc06e4ab5bd4cefc45ca9a89f839ddbe600436c2104a9f3668f2e92d567fcf27af9cb50563e9e5d
SSDEEP 3072:CEGh0o0l3OiNOe2MUVg3bHrH/HqOYGte+rcC4F0fJGRIS8Rfd7eQEcGcrTutTBf3:CEGqldOe2MUVg3vTeKcAEciTBqr3jy
TLSH
T10E9482247BF6A258F1F34F78ADB58041AD3BBE516D31DA0E1295010E8D32A91ED71B3B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution 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
behavioral1/files/0x000300000001e69b-2.dat	family_stormser
behavioral1/files/0x000300000001e6dc-7.dat	family_stormser

Auto-generated rule 2 IoCs

resource	yara_rule
behavioral1/files/0x000300000001e69b-2.dat	GoldenEyeRansomware_Dropper_MalformedZoomit
behavioral1/files/0x000300000001e6dc-7.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\{4083E4F6-F34B-4658-A7A1-EB3C355E4BE5}	2026-08-20_2d6a144a815203be5efcbfea1ecbf431_elex_goldeneye_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4083E4F6-F34B-4658-A7A1-EB3C355E4BE5}\stubpath = "C:\\Windows\\{4083E4F6-F34B-4658-A7A1-EB3C355E4BE5}.exe"	2026-08-20_2d6a144a815203be5efcbfea1ecbf431_elex_goldeneye_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{330BBD00-5224-40bb-954B-E37AB05F5E3B}	{4083E4F6-F34B-4658-A7A1-EB3C355E4BE5}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{330BBD00-5224-40bb-954B-E37AB05F5E3B}\stubpath = "C:\\Windows\\{330BBD00-5224-40bb-954B-E37AB05F5E3B}.exe"	{4083E4F6-F34B-4658-A7A1-EB3C355E4BE5}.exe

Executes dropped EXE 2 IoCs

pid	Process
3320	{4083E4F6-F34B-4658-A7A1-EB3C355E4BE5}.exe
4332	{330BBD00-5224-40bb-954B-E37AB05F5E3B}.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\{4083E4F6-F34B-4658-A7A1-EB3C355E4BE5}.exe	2026-08-20_2d6a144a815203be5efcbfea1ecbf431_elex_goldeneye_wannacry.exe
File created	C:\Windows\{330BBD00-5224-40bb-954B-E37AB05F5E3B}.exe	{4083E4F6-F34B-4658-A7A1-EB3C355E4BE5}.exe

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4968	cmd.exe
2208	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	{4083E4F6-F34B-4658-A7A1-EB3C355E4BE5}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{330BBD00-5224-40bb-954B-E37AB05F5E3B}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-20_2d6a144a815203be5efcbfea1ecbf431_elex_goldeneye_wannacry.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3576	2026-08-20_2d6a144a815203be5efcbfea1ecbf431_elex_goldeneye_wannacry.exe
Token: SeIncBasePriorityPrivilege	3320	{4083E4F6-F34B-4658-A7A1-EB3C355E4BE5}.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 3320	3576	2026-08-20_2d6a144a815203be5efcbfea1ecbf431_elex_goldeneye_wannacry.exe	86
PID 3576 wrote to memory of 2208	3576	2026-08-20_2d6a144a815203be5efcbfea1ecbf431_elex_goldeneye_wannacry.exe	87
PID 3320 wrote to memory of 4332	3320	{4083E4F6-F34B-4658-A7A1-EB3C355E4BE5}.exe	88
PID 3320 wrote to memory of 4968	3320	{4083E4F6-F34B-4658-A7A1-EB3C355E4BE5}.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-20_2d6a144a815203be5efcbfea1ecbf431_elex_goldeneye_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_2d6a144a815203be5efcbfea1ecbf431_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:3576
- C:\Windows\{4083E4F6-F34B-4658-A7A1-EB3C355E4BE5}.exe
  C:\Windows\{4083E4F6-F34B-4658-A7A1-EB3C355E4BE5}.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:3320
- - C:\Windows\{330BBD00-5224-40bb-954B-E37AB05F5E3B}.exe
    C:\Windows\{330BBD00-5224-40bb-954B-E37AB05F5E3B}.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4332
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\{4083E~1.EXE > nul
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:4968
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-0~1.EXE > nul
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:2208

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

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

{330BBD00-5224-40bb-954B-E37AB05F5E3B}.exe

Path C:\Windows\{330BBD00-5224-40bb-954B-E37AB05F5E3B}.exe
Size 408KB
SHA256 a3d2f5399991bd30a5f0744ce863fffc50ebca01b65cad341d51b5636750da1f
MD5 57f3e3491053ed7600b0fc90ccbc2100
SHA1 851326450622ec7f65a9e5411a993de2417741b7
SHA512 8efc77c80739d4c30d61b2b10a7e6b3a4dac07c403ec9c65056dba6ddfc11da9d88f404803135d17a361e816cf444405d13ee61a80a1a669b745b90075f34cbb
SSDEEP 3072:CEGh0oHl3OiNOe2MUVg3bHrH/HqOYGte+rcC4F0fJGRIS8Rfd7eQEcGcrTutTBf3:CEGpldOe2MUVg3vTeKcAEciTBqr3jy
TLSH
T11B9482247BF6A258F1F34F78ADB58041AD3BBE516D31DA0D1295010E8D32A91ED71B3B
MD5 SHA1 SHA512 SSDEEP TLSH

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{4083E4F6-F34B-4658-A7A1-EB3C355E4BE5}.exe

Path C:\Windows\{4083E4F6-F34B-4658-A7A1-EB3C355E4BE5}.exe
Size 408KB
SHA256 34fdce29a4fe9eebb9fdaafcc1073c3291e1acc096d310092e93d0a8edb48f66
MD5 961c38af1fc77fc07d6db0a7b46351c5
SHA1 35542429532e3a750d9ec4ac95f4a3243f91a54a
SHA512 916022c3e2a82df9be018c445b97b41446a3c5b9979bc0a5a2ea46dfe2cb84b0f5b44d077b81f39079c4157a1c01aceb3d968ed80f741952fd122a056e1f202f
SSDEEP 3072:CEGh0oVl3OiNOe2MUVg3bHrH/HqOYGte+rcC4F0fJGRIS8Rfd7eQEcGcrTutTBf3:CEGnldOe2MUVg3vTeKcAEciTBqr3jy
TLSH
T1AD9482247BF6A258F1F34F78ADB58041AD3BBE516D31DA0E1295010E8D32A91ED71B3B
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