stormser | 3640d1421d3574db354c3b0169b972997fad70df7e28b79cc0e9b0a34abddb61

General

Target
2026-11-10_e9296306e780eb57fbf43c75f30fc328_elex_wannacry.exe
Size 60KB
Sample261111-t5tf7aaf32
SHA256 3640d1421d3574db354c3b0169b972997fad70df7e28b79cc0e9b0a34abddb61
MD5 e9296306e780eb57fbf43c75f30fc328
SHA1 c61b09390d4abab3bfe58689699e4595842dff09
SHA512 50f6a812d596c0ff4511700b9c3152c920ffe23b067d93641a69100c49385968b4dba0a2825d77648599cd6da8bfa1079b05018f6f323fc5c7388aecccdecfbf
SSDEEP 192:pbOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqwwY04/CFxyNhoy5t:pbLwOs8AHsc4sMfwhKQLroe4/CFsrd
TLSH
T1325309834BEE5CF2F791123108794AB9927B99D4950EBEDFBF90CD154037292E53A10B
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 4 IoCs

resource	yara_rule
behavioral1/files/0x000f00000002462e-2.dat	family_stormser
behavioral1/files/0x000b000000024616-6.dat	family_stormser
behavioral1/files/0x0008000000024636-10.dat	family_stormser
behavioral1/files/0x000c000000024616-15.dat	family_stormser

Boot or Logon Autostart Execution: Active Setup 2 TTPs 8 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\{3AC351BB-09D2-443e-A865-94A13BBD51CB}	{AE9D5F84-791A-4087-AA80-61FB176F5371}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{3AC351BB-09D2-443e-A865-94A13BBD51CB}\stubpath = "C:\\Windows\\{3AC351BB-09D2-443e-A865-94A13BBD51CB}.exe"	{AE9D5F84-791A-4087-AA80-61FB176F5371}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{502205CD-EA4B-4e42-8558-8E217947430F}	{3AC351BB-09D2-443e-A865-94A13BBD51CB}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{502205CD-EA4B-4e42-8558-8E217947430F}\stubpath = "C:\\Windows\\{502205CD-EA4B-4e42-8558-8E217947430F}.exe"	{3AC351BB-09D2-443e-A865-94A13BBD51CB}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{97166DFE-6928-4cfd-9EF8-381038071601}	{502205CD-EA4B-4e42-8558-8E217947430F}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{97166DFE-6928-4cfd-9EF8-381038071601}\stubpath = "C:\\Windows\\{97166DFE-6928-4cfd-9EF8-381038071601}.exe"	{502205CD-EA4B-4e42-8558-8E217947430F}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{AE9D5F84-791A-4087-AA80-61FB176F5371}	2026-11-10_e9296306e780eb57fbf43c75f30fc328_elex_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{AE9D5F84-791A-4087-AA80-61FB176F5371}\stubpath = "C:\\Windows\\{AE9D5F84-791A-4087-AA80-61FB176F5371}.exe"	2026-11-10_e9296306e780eb57fbf43c75f30fc328_elex_wannacry.exe

Executes dropped EXE 4 IoCs

pid	Process
1980	{AE9D5F84-791A-4087-AA80-61FB176F5371}.exe
2912	{3AC351BB-09D2-443e-A865-94A13BBD51CB}.exe
4576	{502205CD-EA4B-4e42-8558-8E217947430F}.exe
4692	{97166DFE-6928-4cfd-9EF8-381038071601}.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\{AE9D5F84-791A-4087-AA80-61FB176F5371}.exe	2026-11-10_e9296306e780eb57fbf43c75f30fc328_elex_wannacry.exe
File created	C:\Windows\{3AC351BB-09D2-443e-A865-94A13BBD51CB}.exe	{AE9D5F84-791A-4087-AA80-61FB176F5371}.exe
File created	C:\Windows\{502205CD-EA4B-4e42-8558-8E217947430F}.exe	{3AC351BB-09D2-443e-A865-94A13BBD51CB}.exe
File created	C:\Windows\{97166DFE-6928-4cfd-9EF8-381038071601}.exe	{502205CD-EA4B-4e42-8558-8E217947430F}.exe

Executes a command shell one-liner 1 TTPs 4 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
4684	cmd.exe
3892	cmd.exe
4180	cmd.exe
5028	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 9 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{3AC351BB-09D2-443e-A865-94A13BBD51CB}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{502205CD-EA4B-4e42-8558-8E217947430F}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{97166DFE-6928-4cfd-9EF8-381038071601}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-11-10_e9296306e780eb57fbf43c75f30fc328_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{AE9D5F84-791A-4087-AA80-61FB176F5371}.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3124	2026-11-10_e9296306e780eb57fbf43c75f30fc328_elex_wannacry.exe
Token: SeIncBasePriorityPrivilege	1980	{AE9D5F84-791A-4087-AA80-61FB176F5371}.exe
Token: SeIncBasePriorityPrivilege	2912	{3AC351BB-09D2-443e-A865-94A13BBD51CB}.exe
Token: SeIncBasePriorityPrivilege	4576	{502205CD-EA4B-4e42-8558-8E217947430F}.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3124 wrote to memory of 1980	3124	2026-11-10_e9296306e780eb57fbf43c75f30fc328_elex_wannacry.exe	93
PID 3124 wrote to memory of 4684	3124	2026-11-10_e9296306e780eb57fbf43c75f30fc328_elex_wannacry.exe	94
PID 1980 wrote to memory of 2912	1980	{AE9D5F84-791A-4087-AA80-61FB176F5371}.exe	95
PID 1980 wrote to memory of 3892	1980	{AE9D5F84-791A-4087-AA80-61FB176F5371}.exe	96
PID 2912 wrote to memory of 4576	2912	{3AC351BB-09D2-443e-A865-94A13BBD51CB}.exe	99
PID 2912 wrote to memory of 4180	2912	{3AC351BB-09D2-443e-A865-94A13BBD51CB}.exe	100
PID 4576 wrote to memory of 4692	4576	{502205CD-EA4B-4e42-8558-8E217947430F}.exe	101
PID 4576 wrote to memory of 5028	4576	{502205CD-EA4B-4e42-8558-8E217947430F}.exe	102

C:\Users\Admin\AppData\Local\Temp\2026-11-10_e9296306e780eb57fbf43c75f30fc328_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-11-10_e9296306e780eb57fbf43c75f30fc328_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:3124
- C:\Windows\{AE9D5F84-791A-4087-AA80-61FB176F5371}.exe
  C:\Windows\{AE9D5F84-791A-4087-AA80-61FB176F5371}.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:1980
- - C:\Windows\{3AC351BB-09D2-443e-A865-94A13BBD51CB}.exe
    C:\Windows\{3AC351BB-09D2-443e-A865-94A13BBD51CB}.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:2912
  - - C:\Windows\{502205CD-EA4B-4e42-8558-8E217947430F}.exe
      C:\Windows\{502205CD-EA4B-4e42-8558-8E217947430F}.exe
      4⤵
      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:4576
    - - C:\Windows\{97166DFE-6928-4cfd-9EF8-381038071601}.exe
        
        C:\Windows\{97166DFE-6928-4cfd-9EF8-381038071601}.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:4692
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c del C:\Windows\{50220~1.EXE > nul
        5⤵
        Executes a command shell one-liner
        System Location Discovery: System Language Discovery
        
        PID:5028
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Windows\{3AC35~1.EXE > nul
      4⤵
      Executes a command shell one-liner
      System Location Discovery: System Language Discovery
      PID:4180
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\{AE9D5~1.EXE > nul
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:3892
- 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:4684

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

{3AC351BB-09D2-443e-A865-94A13BBD51CB}.exe

Path C:\Windows\{3AC351BB-09D2-443e-A865-94A13BBD51CB}.exe
Size 60KB
SHA256 1ef5da2c18821b7e2a7ec2f5c90e95e201aa9d22ac44d0bb0f166a1ce7307a8e
MD5 0061ed094df08a549f68cd04037813a1
SHA1 22346045b6a0470765449c202e536b96f5aff9e1
SHA512 753fc004a729741ce76b0bbec4b5ecafedd4cbdc6d7f1d0c2e2f954eb65f37c561b6b95055f6d743ab4e31f393e9f53c0b577f3e2c00e605ae65436392532b31
SSDEEP 192:pbOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqwkY04/CFxyNhoy5t:pbLwOs8AHsc4sMfwhKQLroS4/CFsrd
TLSH
T15F53F8834BDE5CF2F791113108798AB9927B9AC4950EBEDFBB90CD154037292E53A10B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{502205CD-EA4B-4e42-8558-8E217947430F}.exe

Path C:\Windows\{502205CD-EA4B-4e42-8558-8E217947430F}.exe
Size 60KB
SHA256 70e7359006ea23d2e306ec1add684e22aed0d4ac98ef8f66bd429960d2928fa7
MD5 59620a1331036d42e2ff96156f782ec8
SHA1 5082be595a08c5243cbe9dec25fe2231767feebf
SHA512 13392177b15fa6974ede3879ae3a28786f411412a9e9f59f370b809f2c815a4d546029a9e8e708c1922e220ad50c48af5a9718855cdb603cd2c2baa173d3e99b
SSDEEP 192:pbOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqwRcY04/CFxyNhoy5t:pbLwOs8AHsc4sMfwhKQLroQ4/CFsrd
TLSH
T12453F8834BDE5CF2F691117108798AB9927BA9D4950EBEDFBF90CD150037292E53A10B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{97166DFE-6928-4cfd-9EF8-381038071601}.exe

Path C:\Windows\{97166DFE-6928-4cfd-9EF8-381038071601}.exe
Size 60KB
SHA256 3fc31a08e9e292a01bc5685ae7165f1f23cc49ae6042c0246f05b33303bfd067
MD5 9886f0db17deee1bc6e1c49200d63d7b
SHA1 a5ca83ecb0bea46980c68a1f39f57ca269c0066d
SHA512 86c289701f3824a3a7f0f7ad4f4ebb492c8f1b6cb32dcd575d0c6f109799271cdc658d69f01ad556d04c5772893f863462c4fe36aea37dec08a24c63b3984d3a
SSDEEP 192:pbOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqw1kY04/CFxyNhoy5t:pbLwOs8AHsc4sMfwhKQLro1S4/CFsrd
TLSH
T1085309835BEE9CF2F791113108798AB9927B99D4950EBEDFBF90CD150037292E53A10B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{AE9D5F84-791A-4087-AA80-61FB176F5371}.exe

Path C:\Windows\{AE9D5F84-791A-4087-AA80-61FB176F5371}.exe
Size 60KB
SHA256 bd34c3f5d8cf2282f1683adb5ba5aef3f82524385fffabe2c2808d1d458a1151
MD5 a6121bd957b0a9f42c21096b0eaab314
SHA1 0bf4645b364ff01a8173d5c551db3136e48a6c58
SHA512 4ff03ed4d73a0d313af790e31aadaaea33c43cbfa2e7589d7771b9fa3e28aea111705b67499e9cbabf259057243e133a0fdd6de32ea594b826b25f48f64cc3b0
SSDEEP 192:pbOzawOs81elJHsc45CcRZOgtShcWaOT2QLrCqwIY04/CFxyNhoy5t:pbLwOs8AHsc4sMfwhKQLroW4/CFsrd
TLSH
T1165309834BDE9CF2F791117118798AB9927B99C4950EBEDFBF90CD150037292E53A10B
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