stormser | e533c11c23a0f8fbba7e1a6305fc01ebb6acf94e8a91f68dfa90a329ed6c574e

General

Target
2026-08-13_bacab7b04d665c47730d29e9b77b3103_elex_goldeneye_wannacry.exe
Size 372KB
Sample260813-pgf4qsysax
SHA256 e533c11c23a0f8fbba7e1a6305fc01ebb6acf94e8a91f68dfa90a329ed6c574e
MD5 bacab7b04d665c47730d29e9b77b3103
SHA1 149c83daa2c5c2ad4ea83f764ed15f613a2e7fb5
SHA512 40249a3cfa3239042d81640f3c92b004a6ca2b850416dc2620e19def276eef164eded1464d346cf00bf6eb069ff655bdb583bd09d9b8189a9a7ba97e77e28050
SSDEEP 3072:CEGh0oflMOiNOe2MUVg3bHrH/HqOYGte+rcC4F0fJGRIS8Rfd7eQEcGcrTutTBfM:CEGNlkOe2MUVg3vTeKcAEciTBqr3
TLSH
T127846D2067F6E698F5F30FB8ADB581409D7BBE916D31D61D22A8000E8D71A90DE71B37
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 3 IoCs

resource	yara_rule
behavioral1/files/0x0008000000024362-2.dat	family_stormser
behavioral1/files/0x0008000000024363-7.dat	family_stormser
behavioral1/files/0x0008000000024369-10.dat	family_stormser

Auto-generated rule 3 IoCs

resource	yara_rule
behavioral1/files/0x0008000000024362-2.dat	GoldenEyeRansomware_Dropper_MalformedZoomit
behavioral1/files/0x0008000000024363-7.dat	GoldenEyeRansomware_Dropper_MalformedZoomit
behavioral1/files/0x0008000000024369-10.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\{21A7F8D9-EE0B-4525-A239-A406644BBB48}	2026-08-13_bacab7b04d665c47730d29e9b77b3103_elex_goldeneye_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{21A7F8D9-EE0B-4525-A239-A406644BBB48}\stubpath = "C:\\Windows\\{21A7F8D9-EE0B-4525-A239-A406644BBB48}.exe"	2026-08-13_bacab7b04d665c47730d29e9b77b3103_elex_goldeneye_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{C94BC334-2AE2-4507-9508-6974735B6E3A}	{21A7F8D9-EE0B-4525-A239-A406644BBB48}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{C94BC334-2AE2-4507-9508-6974735B6E3A}\stubpath = "C:\\Windows\\{C94BC334-2AE2-4507-9508-6974735B6E3A}.exe"	{21A7F8D9-EE0B-4525-A239-A406644BBB48}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{32CB7026-CAEA-418f-AD1F-F51C28A329FF}	{C94BC334-2AE2-4507-9508-6974735B6E3A}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{32CB7026-CAEA-418f-AD1F-F51C28A329FF}\stubpath = "C:\\Windows\\{32CB7026-CAEA-418f-AD1F-F51C28A329FF}.exe"	{C94BC334-2AE2-4507-9508-6974735B6E3A}.exe

Executes dropped EXE 3 IoCs

pid	Process
4812	{21A7F8D9-EE0B-4525-A239-A406644BBB48}.exe
3328	{C94BC334-2AE2-4507-9508-6974735B6E3A}.exe
1712	{32CB7026-CAEA-418f-AD1F-F51C28A329FF}.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\{21A7F8D9-EE0B-4525-A239-A406644BBB48}.exe	2026-08-13_bacab7b04d665c47730d29e9b77b3103_elex_goldeneye_wannacry.exe
File created	C:\Windows\{C94BC334-2AE2-4507-9508-6974735B6E3A}.exe	{21A7F8D9-EE0B-4525-A239-A406644BBB48}.exe
File created	C:\Windows\{32CB7026-CAEA-418f-AD1F-F51C28A329FF}.exe	{C94BC334-2AE2-4507-9508-6974735B6E3A}.exe

Executes a command shell one-liner 1 TTPs 3 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
3516	cmd.exe
2356	cmd.exe
4596	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 7 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{32CB7026-CAEA-418f-AD1F-F51C28A329FF}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-13_bacab7b04d665c47730d29e9b77b3103_elex_goldeneye_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{21A7F8D9-EE0B-4525-A239-A406644BBB48}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{C94BC334-2AE2-4507-9508-6974735B6E3A}.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3212	2026-08-13_bacab7b04d665c47730d29e9b77b3103_elex_goldeneye_wannacry.exe
Token: SeIncBasePriorityPrivilege	4812	{21A7F8D9-EE0B-4525-A239-A406644BBB48}.exe
Token: SeIncBasePriorityPrivilege	3328	{C94BC334-2AE2-4507-9508-6974735B6E3A}.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3212 wrote to memory of 4812	3212	2026-08-13_bacab7b04d665c47730d29e9b77b3103_elex_goldeneye_wannacry.exe	84
PID 3212 wrote to memory of 3516	3212	2026-08-13_bacab7b04d665c47730d29e9b77b3103_elex_goldeneye_wannacry.exe	85
PID 4812 wrote to memory of 3328	4812	{21A7F8D9-EE0B-4525-A239-A406644BBB48}.exe	86
PID 4812 wrote to memory of 2356	4812	{21A7F8D9-EE0B-4525-A239-A406644BBB48}.exe	87
PID 3328 wrote to memory of 1712	3328	{C94BC334-2AE2-4507-9508-6974735B6E3A}.exe	91
PID 3328 wrote to memory of 4596	3328	{C94BC334-2AE2-4507-9508-6974735B6E3A}.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-08-13_bacab7b04d665c47730d29e9b77b3103_elex_goldeneye_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-13_bacab7b04d665c47730d29e9b77b3103_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:3212
- C:\Windows\{21A7F8D9-EE0B-4525-A239-A406644BBB48}.exe
  C:\Windows\{21A7F8D9-EE0B-4525-A239-A406644BBB48}.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:4812
- - C:\Windows\{C94BC334-2AE2-4507-9508-6974735B6E3A}.exe
    C:\Windows\{C94BC334-2AE2-4507-9508-6974735B6E3A}.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:3328
  - - C:\Windows\{32CB7026-CAEA-418f-AD1F-F51C28A329FF}.exe
      C:\Windows\{32CB7026-CAEA-418f-AD1F-F51C28A329FF}.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:1712
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Windows\{C94BC~1.EXE > nul
      4⤵
      Executes a command shell one-liner
      System Location Discovery: System Language Discovery
      PID:4596
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\{21A7F~1.EXE > nul
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:2356
- 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:3516

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

{21A7F8D9-EE0B-4525-A239-A406644BBB48}.exe

Path C:\Windows\{21A7F8D9-EE0B-4525-A239-A406644BBB48}.exe
Size 372KB
SHA256 94bfc215ec026f6327e6fda58bd9a4b22d24af8799fa44292bae03aa3800b1c0
MD5 eea8ffef7cfb040a84adedb430bbb60d
SHA1 88e1a38f7530f4a02aaeedfe9f6e25799986f41a
SHA512 ea045723670b0318ec5c742f383b76c0ceb4ff9dfd3b9461c87201d3f8d5b089a1d6f26c6de8efcbd93ac135c74ec0da0ed0a0fd61c7c35bca7bc9112c9e45ab
SSDEEP 3072:CEGh0o8lMOiNOe2MUVg3bHrH/HqOYGte+rcC4F0fJGRIS8Rfd7eQEcGcrTutTBfM:CEGylkOe2MUVg3vTeKcAEciTBqr3
TLSH
T133846D2067F6E698F5F30FB8ADB581409D7BBE916D31D61D22A8000E8D71A90DE71B37
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{32CB7026-CAEA-418f-AD1F-F51C28A329FF}.exe

Path C:\Windows\{32CB7026-CAEA-418f-AD1F-F51C28A329FF}.exe
Size 372KB
SHA256 a2e3c85b6706a161c3534626c90503a2680ecbfc9359265cbebf04cbcdd7df4a
MD5 09cdc3c0051e49041027f48b24231c41
SHA1 a81a244407c3b4397d84ea1ffcf309cde70b532d
SHA512 a66766951c3a511c5873835533a5fd5313af3ec8c03029766e21b465f0b491ee4f8478700ab034259bbf91a9d52d074d0389abb7806a453139dd8dad6e61476b
SSDEEP 3072:CEGh0oslMOiNOe2MUVg3bHrH/HqOYGte+rcC4F0fJGRIS8Rfd7eQEcGcrTutTBfM:CEGWlkOe2MUVg3vTeKcAEciTBqr3
TLSH
T1AC846D2067F6E698F5F30FB8ADB581409D7BBE916D31D61D22A8000E8D71A90DE71B37
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{C94BC334-2AE2-4507-9508-6974735B6E3A}.exe

Path C:\Windows\{C94BC334-2AE2-4507-9508-6974735B6E3A}.exe
Size 372KB
SHA256 d42bbee680c1a133e127ca834f32ce29de9b93eceff95187e27b0dd6948c5a05
MD5 de9210a2d2f6e5e8f6ec12c0c8e5f64a
SHA1 86fabed532c02628c739daac5d839fa192efd8f5
SHA512 06081787cc9788826ae27e5d0603c175cc65ed3639e962eb6c1e7d67fbd44ccf401ab9354916fab848574634e594e5ac7a4f4ce9a1c91e09de42b1b927cb5bf2
SSDEEP 3072:CEGh0o1lMOiNOe2MUVg3bHrH/HqOYGte+rcC4F0fJGRIS8Rfd7eQEcGcrTutTBfM:CEGnlkOe2MUVg3vTeKcAEciTBqr3
TLSH
T114846D2067F6E698F5F30FB8ADB581409D7BBE916D31D61D22A8000E8D71A90DE71B37
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