stormser | 4ebc18a1d36d4fffd30b375a908ebaeb3f2fb7dc3d5553e754c52f2448a351be

General

Target
2026-11-01_f6ee0ecbfa8205a34e66c92c9da1b8ed_elex_wannacry.exe
Size 79KB
Sample261102-c8xvcagy3k
SHA256 4ebc18a1d36d4fffd30b375a908ebaeb3f2fb7dc3d5553e754c52f2448a351be
MD5 f6ee0ecbfa8205a34e66c92c9da1b8ed
SHA1 8bcbc6ba8f4894b38d5751440734ae85ee05cace
SHA512 af58c4622017e3c2a6dd42817cc7a6788e6ca7069fa98491f1fdf37548cdc04f19fa162c3a06b8626e102b4086a30451fa01fa6b9f95ab8b3e61994d622cbb9d
SSDEEP 768:4vw9816vhKQLro34/wQzXOQ69zbjlAAX5e9zx:wEGh0o3lGizbR9Xwzx
TLSH
T13B834BD38EAC4483FDD6697012B8D9B77C3E97C61604B99B6B91FD5408A33C1EB2411E
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/0x000800000002426f-2.dat	family_stormser
behavioral1/files/0x0008000000024270-5.dat	family_stormser
behavioral1/files/0x0008000000024464-10.dat	family_stormser

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{60352301-31A4-4eb4-9AAC-A57B8B6D7951}\stubpath = "C:\\Windows\\{60352301-31A4-4eb4-9AAC-A57B8B6D7951}.exe"	{B8E2E5D4-9239-4ce1-9E7B-7BAA123D8B78}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{D8FD1D92-1915-4cae-85D7-0CD8F673CB32}	2026-11-01_f6ee0ecbfa8205a34e66c92c9da1b8ed_elex_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{D8FD1D92-1915-4cae-85D7-0CD8F673CB32}\stubpath = "C:\\Windows\\{D8FD1D92-1915-4cae-85D7-0CD8F673CB32}.exe"	2026-11-01_f6ee0ecbfa8205a34e66c92c9da1b8ed_elex_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{B8E2E5D4-9239-4ce1-9E7B-7BAA123D8B78}	{D8FD1D92-1915-4cae-85D7-0CD8F673CB32}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{B8E2E5D4-9239-4ce1-9E7B-7BAA123D8B78}\stubpath = "C:\\Windows\\{B8E2E5D4-9239-4ce1-9E7B-7BAA123D8B78}.exe"	{D8FD1D92-1915-4cae-85D7-0CD8F673CB32}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{60352301-31A4-4eb4-9AAC-A57B8B6D7951}	{B8E2E5D4-9239-4ce1-9E7B-7BAA123D8B78}.exe

Executes dropped EXE 3 IoCs

pid	Process
2116	{D8FD1D92-1915-4cae-85D7-0CD8F673CB32}.exe
3456	{B8E2E5D4-9239-4ce1-9E7B-7BAA123D8B78}.exe
1848	{60352301-31A4-4eb4-9AAC-A57B8B6D7951}.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\{B8E2E5D4-9239-4ce1-9E7B-7BAA123D8B78}.exe	{D8FD1D92-1915-4cae-85D7-0CD8F673CB32}.exe
File created	C:\Windows\{60352301-31A4-4eb4-9AAC-A57B8B6D7951}.exe	{B8E2E5D4-9239-4ce1-9E7B-7BAA123D8B78}.exe
File created	C:\Windows\{D8FD1D92-1915-4cae-85D7-0CD8F673CB32}.exe	2026-11-01_f6ee0ecbfa8205a34e66c92c9da1b8ed_elex_wannacry.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
4720	cmd.exe
5036	cmd.exe
1104	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	{60352301-31A4-4eb4-9AAC-A57B8B6D7951}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-11-01_f6ee0ecbfa8205a34e66c92c9da1b8ed_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{D8FD1D92-1915-4cae-85D7-0CD8F673CB32}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{B8E2E5D4-9239-4ce1-9E7B-7BAA123D8B78}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4280	2026-11-01_f6ee0ecbfa8205a34e66c92c9da1b8ed_elex_wannacry.exe
Token: SeIncBasePriorityPrivilege	2116	{D8FD1D92-1915-4cae-85D7-0CD8F673CB32}.exe
Token: SeIncBasePriorityPrivilege	3456	{B8E2E5D4-9239-4ce1-9E7B-7BAA123D8B78}.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4280 wrote to memory of 2116	4280	2026-11-01_f6ee0ecbfa8205a34e66c92c9da1b8ed_elex_wannacry.exe	94
PID 4280 wrote to memory of 4720	4280	2026-11-01_f6ee0ecbfa8205a34e66c92c9da1b8ed_elex_wannacry.exe	95
PID 2116 wrote to memory of 3456	2116	{D8FD1D92-1915-4cae-85D7-0CD8F673CB32}.exe	96
PID 2116 wrote to memory of 5036	2116	{D8FD1D92-1915-4cae-85D7-0CD8F673CB32}.exe	97
PID 3456 wrote to memory of 1848	3456	{B8E2E5D4-9239-4ce1-9E7B-7BAA123D8B78}.exe	100
PID 3456 wrote to memory of 1104	3456	{B8E2E5D4-9239-4ce1-9E7B-7BAA123D8B78}.exe	101

C:\Users\Admin\AppData\Local\Temp\2026-11-01_f6ee0ecbfa8205a34e66c92c9da1b8ed_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-11-01_f6ee0ecbfa8205a34e66c92c9da1b8ed_elex_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:4280
- C:\Windows\{D8FD1D92-1915-4cae-85D7-0CD8F673CB32}.exe
  C:\Windows\{D8FD1D92-1915-4cae-85D7-0CD8F673CB32}.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:2116
- - C:\Windows\{B8E2E5D4-9239-4ce1-9E7B-7BAA123D8B78}.exe
    C:\Windows\{B8E2E5D4-9239-4ce1-9E7B-7BAA123D8B78}.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:3456
  - - C:\Windows\{60352301-31A4-4eb4-9AAC-A57B8B6D7951}.exe
      C:\Windows\{60352301-31A4-4eb4-9AAC-A57B8B6D7951}.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:1848
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Windows\{B8E2E~1.EXE > nul
      4⤵
      Executes a command shell one-liner
      System Location Discovery: System Language Discovery
      PID:1104
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\{D8FD1~1.EXE > nul
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:5036
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-1~1.EXE > nul
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:4720

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

{60352301-31A4-4eb4-9AAC-A57B8B6D7951}.exe

Path C:\Windows\{60352301-31A4-4eb4-9AAC-A57B8B6D7951}.exe
Size 79KB
SHA256 d0796d0219a6381b5a3ce27eb9fb8aaf59a96cc66da9ceb036c18b191dfabb69
MD5 313d17b4fd873dc6a6288ac6ecd034c7
SHA1 2687e3c8e68b80d3b577374a90499c9b09b5f6ef
SHA512 665d97520995575d1339c1d7fe676ca46fe487f659292464d891a52c9a4bd473791fff266e116959e895b7657f889c5bc1aa9356415455b36ae75d3dc846d441
SSDEEP 768:4vw9816vhKQLroj4/wQzXOQ69zbjlAAX5e9zx:wEGh0ojlGizbR9Xwzx
TLSH
T1CD834BC38EAC4483FDD6697012A8DAB77C3E97C61604B99B6B91FD5408A33C1EB2411E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{B8E2E5D4-9239-4ce1-9E7B-7BAA123D8B78}.exe

Path C:\Windows\{B8E2E5D4-9239-4ce1-9E7B-7BAA123D8B78}.exe
Size 79KB
SHA256 6539761f602fdae4554049fb54a74283d66073a6dfcc5a696270509dadd90ad3
MD5 ce392043276dc53e4c0c3593811984b0
SHA1 d59eae32b5662f148c084e90936e85ddf8382f23
SHA512 1b4102ec53d6a48d1c2d8b5c4b81bffccffd2dc14d2cc07ad0c8d9575713acc0273bead209766fb524c6153d5124cca8ca45783ad05c54df3e1e4828621b2ee6
SSDEEP 768:4vw9816vhKQLro84/wQzXOQ69zbjlAAX5e9zx:wEGh0o8lGizbR9Xwzx
TLSH
T113834BD38EAC4483FDE6697012B8D9B77C3E97C61604B99B6B91FD5408A33C1EB2411E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{D8FD1D92-1915-4cae-85D7-0CD8F673CB32}.exe

Path C:\Windows\{D8FD1D92-1915-4cae-85D7-0CD8F673CB32}.exe
Size 79KB
SHA256 15bc506d4039d504058af863dd8797a7c311d1882dec280d80e0c01c802dadab
MD5 4118e7eb46f2a84e056b893b21b315f0
SHA1 d203daded56fbe3ccc05edfe6310f31d62883400
SHA512 03f5d403d5725f8db847aec7973ca6051e1665b373e43290e7227da1992575ac0f84b601e5ce40ecf8117a6e2a844f32c3bb963ec4383a336119b5869232bceb
SSDEEP 768:4vw9816vhKQLrog4/wQzXOQ69zbjlAAX5e9zx:wEGh0oglGizbR9Xwzx
TLSH
T1BA834BC38EAC4483FDD6697012B8D9B77C3E97C6150479AB6B91FD5408A33C1EB2411E
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