stormser | 7d7dda0ddeb953d057558f8d3079adc4064b5a5c3629577f71e1b4af71219674

General

Target
2026-07-11_2dc8ac1229d91f1763af712779ac9f8b_elex_wannacry.exe
Size 90KB
Sample260711-vb61vsfv4j
SHA256 7d7dda0ddeb953d057558f8d3079adc4064b5a5c3629577f71e1b4af71219674
MD5 2dc8ac1229d91f1763af712779ac9f8b
SHA1 55052850eb66131a9e5c7b28f5ccb2df46152512
SHA512 e50f177aca2e29d68b6f111799854004fd89f0d26c72dcdcfb042ce2f189b97367a8a13fdd0e7f1dd374d92092116d754d8c2ce80d6b23c71cff4989ce2d8d70
SSDEEP 768:Qvw9816vhKQLroY4/wQRNrfrunMxVFA3b7glws:YEGh0oYl2unMxVS3Hgz
TLSH
T1B293C53D5DDA103BE2B7D6B585F126E3FE66B98336091D0E46D243428C23B53AD8AC1D
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 6 IoCs

resource	yara_rule
behavioral1/files/0x0007000000024477-2.dat	family_stormser
behavioral1/files/0x0008000000024468-6.dat	family_stormser
behavioral1/files/0x000700000002447d-8.dat	family_stormser
behavioral1/files/0x0007000000024481-15.dat	family_stormser
behavioral1/files/0x0002000000021d92-18.dat	family_stormser
behavioral1/files/0x0002000000021d93-22.dat	family_stormser

Boot or Logon Autostart Execution: Active Setup 2 TTPs 12 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\{347B55FD-3A05-4adc-85C8-46183E0B1D44}	{1F5B062F-AC10-4873-BE35-CA535BD30D5B}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{43BABF37-A05B-43fd-ACAA-E647BAE215D4}	{347B55FD-3A05-4adc-85C8-46183E0B1D44}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{43BABF37-A05B-43fd-ACAA-E647BAE215D4}\stubpath = "C:\\Windows\\{43BABF37-A05B-43fd-ACAA-E647BAE215D4}.exe"	{347B55FD-3A05-4adc-85C8-46183E0B1D44}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{BAA66FF4-79E9-40a5-9167-13C42E3E6148}	{43BABF37-A05B-43fd-ACAA-E647BAE215D4}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1F5B062F-AC10-4873-BE35-CA535BD30D5B}	2026-07-11_2dc8ac1229d91f1763af712779ac9f8b_elex_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1F5B062F-AC10-4873-BE35-CA535BD30D5B}\stubpath = "C:\\Windows\\{1F5B062F-AC10-4873-BE35-CA535BD30D5B}.exe"	2026-07-11_2dc8ac1229d91f1763af712779ac9f8b_elex_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{347B55FD-3A05-4adc-85C8-46183E0B1D44}\stubpath = "C:\\Windows\\{347B55FD-3A05-4adc-85C8-46183E0B1D44}.exe"	{1F5B062F-AC10-4873-BE35-CA535BD30D5B}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{BAA66FF4-79E9-40a5-9167-13C42E3E6148}\stubpath = "C:\\Windows\\{BAA66FF4-79E9-40a5-9167-13C42E3E6148}.exe"	{43BABF37-A05B-43fd-ACAA-E647BAE215D4}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{ADEFDA1C-9EEB-4c4d-9E4B-6D5B26F633BA}	{BAA66FF4-79E9-40a5-9167-13C42E3E6148}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{ADEFDA1C-9EEB-4c4d-9E4B-6D5B26F633BA}\stubpath = "C:\\Windows\\{ADEFDA1C-9EEB-4c4d-9E4B-6D5B26F633BA}.exe"	{BAA66FF4-79E9-40a5-9167-13C42E3E6148}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{43474DB7-E733-4d48-A98E-96C499CBF406}	{ADEFDA1C-9EEB-4c4d-9E4B-6D5B26F633BA}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{43474DB7-E733-4d48-A98E-96C499CBF406}\stubpath = "C:\\Windows\\{43474DB7-E733-4d48-A98E-96C499CBF406}.exe"	{ADEFDA1C-9EEB-4c4d-9E4B-6D5B26F633BA}.exe

Executes dropped EXE 6 IoCs

pid	Process
1232	{1F5B062F-AC10-4873-BE35-CA535BD30D5B}.exe
3264	{347B55FD-3A05-4adc-85C8-46183E0B1D44}.exe
2424	{43BABF37-A05B-43fd-ACAA-E647BAE215D4}.exe
3644	{BAA66FF4-79E9-40a5-9167-13C42E3E6148}.exe
988	{ADEFDA1C-9EEB-4c4d-9E4B-6D5B26F633BA}.exe
3364	{43474DB7-E733-4d48-A98E-96C499CBF406}.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\{BAA66FF4-79E9-40a5-9167-13C42E3E6148}.exe	{43BABF37-A05B-43fd-ACAA-E647BAE215D4}.exe
File created	C:\Windows\{ADEFDA1C-9EEB-4c4d-9E4B-6D5B26F633BA}.exe	{BAA66FF4-79E9-40a5-9167-13C42E3E6148}.exe
File created	C:\Windows\{43474DB7-E733-4d48-A98E-96C499CBF406}.exe	{ADEFDA1C-9EEB-4c4d-9E4B-6D5B26F633BA}.exe
File created	C:\Windows\{1F5B062F-AC10-4873-BE35-CA535BD30D5B}.exe	2026-07-11_2dc8ac1229d91f1763af712779ac9f8b_elex_wannacry.exe
File created	C:\Windows\{347B55FD-3A05-4adc-85C8-46183E0B1D44}.exe	{1F5B062F-AC10-4873-BE35-CA535BD30D5B}.exe
File created	C:\Windows\{43BABF37-A05B-43fd-ACAA-E647BAE215D4}.exe	{347B55FD-3A05-4adc-85C8-46183E0B1D44}.exe

System Location Discovery: System Language Discovery 1 TTPs 13 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	2026-07-11_2dc8ac1229d91f1763af712779ac9f8b_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{1F5B062F-AC10-4873-BE35-CA535BD30D5B}.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	{347B55FD-3A05-4adc-85C8-46183E0B1D44}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{BAA66FF4-79E9-40a5-9167-13C42E3E6148}.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{43BABF37-A05B-43fd-ACAA-E647BAE215D4}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{ADEFDA1C-9EEB-4c4d-9E4B-6D5B26F633BA}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{43474DB7-E733-4d48-A98E-96C499CBF406}.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1864	2026-07-11_2dc8ac1229d91f1763af712779ac9f8b_elex_wannacry.exe
Token: SeIncBasePriorityPrivilege	1232	{1F5B062F-AC10-4873-BE35-CA535BD30D5B}.exe
Token: SeIncBasePriorityPrivilege	3264	{347B55FD-3A05-4adc-85C8-46183E0B1D44}.exe
Token: SeIncBasePriorityPrivilege	2424	{43BABF37-A05B-43fd-ACAA-E647BAE215D4}.exe
Token: SeIncBasePriorityPrivilege	3644	{BAA66FF4-79E9-40a5-9167-13C42E3E6148}.exe
Token: SeIncBasePriorityPrivilege	988	{ADEFDA1C-9EEB-4c4d-9E4B-6D5B26F633BA}.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1864 wrote to memory of 1232	1864	2026-07-11_2dc8ac1229d91f1763af712779ac9f8b_elex_wannacry.exe	93
PID 1864 wrote to memory of 2948	1864	2026-07-11_2dc8ac1229d91f1763af712779ac9f8b_elex_wannacry.exe	94
PID 1232 wrote to memory of 3264	1232	{1F5B062F-AC10-4873-BE35-CA535BD30D5B}.exe	95
PID 1232 wrote to memory of 2304	1232	{1F5B062F-AC10-4873-BE35-CA535BD30D5B}.exe	96
PID 3264 wrote to memory of 2424	3264	{347B55FD-3A05-4adc-85C8-46183E0B1D44}.exe	98
PID 3264 wrote to memory of 3868	3264	{347B55FD-3A05-4adc-85C8-46183E0B1D44}.exe	99
PID 2424 wrote to memory of 3644	2424	{43BABF37-A05B-43fd-ACAA-E647BAE215D4}.exe	100
PID 2424 wrote to memory of 3088	2424	{43BABF37-A05B-43fd-ACAA-E647BAE215D4}.exe	101
PID 3644 wrote to memory of 988	3644	{BAA66FF4-79E9-40a5-9167-13C42E3E6148}.exe	102
PID 3644 wrote to memory of 1952	3644	{BAA66FF4-79E9-40a5-9167-13C42E3E6148}.exe	103
PID 988 wrote to memory of 3364	988	{ADEFDA1C-9EEB-4c4d-9E4B-6D5B26F633BA}.exe	104
PID 988 wrote to memory of 1516	988	{ADEFDA1C-9EEB-4c4d-9E4B-6D5B26F633BA}.exe	105

C:\Users\Admin\AppData\Local\Temp\2026-07-11_2dc8ac1229d91f1763af712779ac9f8b_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-11_2dc8ac1229d91f1763af712779ac9f8b_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:1864
- C:\Windows\{1F5B062F-AC10-4873-BE35-CA535BD30D5B}.exe
  C:\Windows\{1F5B062F-AC10-4873-BE35-CA535BD30D5B}.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:1232
- - C:\Windows\{347B55FD-3A05-4adc-85C8-46183E0B1D44}.exe
    C:\Windows\{347B55FD-3A05-4adc-85C8-46183E0B1D44}.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:3264
  - - C:\Windows\{43BABF37-A05B-43fd-ACAA-E647BAE215D4}.exe
      C:\Windows\{43BABF37-A05B-43fd-ACAA-E647BAE215D4}.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:2424
    - - C:\Windows\{BAA66FF4-79E9-40a5-9167-13C42E3E6148}.exe
        
        C:\Windows\{BAA66FF4-79E9-40a5-9167-13C42E3E6148}.exe
        5⤵
        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:3644
      - C:\Windows\{ADEFDA1C-9EEB-4c4d-9E4B-6D5B26F633BA}.exe
        
        C:\Windows\{ADEFDA1C-9EEB-4c4d-9E4B-6D5B26F633BA}.exe
        6⤵
        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:988
        
        C:\Windows\{43474DB7-E733-4d48-A98E-96C499CBF406}.exe
        
        C:\Windows\{43474DB7-E733-4d48-A98E-96C499CBF406}.exe
        7⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:3364
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c del C:\Windows\{ADEFD~1.EXE > nul
        7⤵
        System Location Discovery: System Language Discovery
        
        PID:1516
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c del C:\Windows\{BAA66~1.EXE > nul
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:1952
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c del C:\Windows\{43BAB~1.EXE > nul
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:3088
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Windows\{347B5~1.EXE > nul
      4⤵
      System Location Discovery: System Language Discovery
      PID:3868
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\{1F5B0~1.EXE > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2304
- 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:2948

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

Replay Monitor

Loading Replay Monitor...

Downloads

{1F5B062F-AC10-4873-BE35-CA535BD30D5B}.exe

Path C:\Windows\{1F5B062F-AC10-4873-BE35-CA535BD30D5B}.exe
Size 90KB
SHA256 1b3d8ca730532b6860d1e8626001d12348b810e7981c6ec0c62b293a124a03e4
MD5 f6dba7bb05f384eed0f882c4a7f4cb13
SHA1 1e1bd22bf5696c235e3ec27bca361fcd8ad1861f
SHA512 06877d2c96af69aa3dd1c0369f1b9d23fb7d48dc5eff79a58ba4e0455f38cbcffd76fd89533517875043d7cfe1bae6f3ed453ef851559359ac9fdc4ed23aaf94
SSDEEP 768:Qvw9816vhKQLrofZ4/wQRNrfrunMxVFA3b7glws:YEGh0ofZl2unMxVS3Hgz
TLSH
T12A93C53D5DDA103BE2B7D6B585F126E3FE66B98339091D0E46D243428C23B53AD8AC1D
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{347B55FD-3A05-4adc-85C8-46183E0B1D44}.exe

Path C:\Windows\{347B55FD-3A05-4adc-85C8-46183E0B1D44}.exe
Size 90KB
SHA256 706a58cb6f32f9d45f661ff836e96c83ca54513ebbe429d491f2493f5ebf9c8d
MD5 28e813ddd9a82fd6e26109891051a13b
SHA1 03ad019ae5fcc041fd3fe4ff62ca6f1021ea7d99
SHA512 5d7d5e2ee67a2c8dfb18717b9f2f5f9a21bf33a603ebdcb79093b63c4733159a9356b080670374f08fbbc78b603afa1f95b3384cfe0a6451a839b99db58d1c10
SSDEEP 768:Qvw9816vhKQLroF4/wQRNrfrunMxVFA3b7glws:YEGh0oFl2unMxVS3Hgz
TLSH
T1D893C53D5DDA1037E2B7D6B585F126E3FE66B98335091D0E46D243428C23B53AD8AC1D
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{43474DB7-E733-4d48-A98E-96C499CBF406}.exe

Path C:\Windows\{43474DB7-E733-4d48-A98E-96C499CBF406}.exe
Size 90KB
SHA256 b5da37aa4788a7daaac7b726ffed017dd3caf02b794d94785f918dc61aad0dcf
MD5 2e988bb0817166904580771414276af7
SHA1 1520872254f2187adc748377d26d0a5276e79f0b
SHA512 3021af65a66d81f6849f37e4739af9a19beb2f8f29e3defaab0664a31977e421feabc4e95892bad6caec0c8e90f48bffed8f81bf5e84d05d45f3710257df2a47
SSDEEP 768:Qvw9816vhKQLroF4/wQRNrfrunMxVFA3b7glws:YEGh0oFl2unMxVS3Hgz
TLSH
T11C93B53D5DDA103BE2B7D6B585F126E3FE66B98335091D0E46D243428C23B53AD8AC1D
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{43BABF37-A05B-43fd-ACAA-E647BAE215D4}.exe

Path C:\Windows\{43BABF37-A05B-43fd-ACAA-E647BAE215D4}.exe
Size 90KB
SHA256 7dd33b4aeb9149868afc71c6851604f42ddd3f2c6b1f580084a68a08cb01dffd
MD5 0c0191d30e7d725a1684feb2c63ec611
SHA1 72a2bbb1b7f92653a162be0cdb07840fa3bb518a
SHA512 80ab6fd887efb55490fc52da7d0b8f8aa73c083a158681200da0b9261c33127db3d51e7212109d1f8d406fcb58028d4e47bb8759b2495c65e283c6ad4907da48
SSDEEP 768:Qvw9816vhKQLroX4/wQRNrfrunMxVFA3b7glws:YEGh0oXl2unMxVS3Hgz
TLSH
T13293B53D5DDA103BE2B7D6B585F126E3FE66B98335091D0E46D243428C23B53AD86C1D
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{ADEFDA1C-9EEB-4c4d-9E4B-6D5B26F633BA}.exe

Path C:\Windows\{ADEFDA1C-9EEB-4c4d-9E4B-6D5B26F633BA}.exe
Size 90KB
SHA256 454a70736bad58f087efce8bcd1e4a4ba4977e651179cdd9050635716ad305b6
MD5 525ae4c488a6f9c5d379a2ea740cbbda
SHA1 8a25e313a97b5af91279f28f81bd53f9eccb8e84
SHA512 2878644c7e485ea2a46c0647a54bee48b805130410fa3962beccfd6bbf11518fcc33997c839eaedd06f50b7dd3330d4cae60e8c24a8fe0bc4514cd294a0f9bcf
SSDEEP 768:Qvw9816vhKQLroR4/wQRNrfrunMxVFA3b7glws:YEGh0oRl2unMxVS3Hgz
TLSH
T1DB93C53D5DDA103BE2B7D6B585F126E3FE66B98335091D0E46D243428C23B53AD8AC1D
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{BAA66FF4-79E9-40a5-9167-13C42E3E6148}.exe

Path C:\Windows\{BAA66FF4-79E9-40a5-9167-13C42E3E6148}.exe
Size 90KB
SHA256 b6335bee8cb82a35cbeed64389198211ddd05819ba7a94a3b84d9738d8da8e3c
MD5 a50ee77c93fb46a291cfcb94b95bfff2
SHA1 15bccd6a1ace4a5bb681ffda855b23905a704cff
SHA512 5fc64c657c5332535ec3311ba2503226871e98c9fe8cddb5dea4ff25588933c31a7fd7f540686d53ed3875837983a255fc5ce24f556b063255cde795409f2a1a
SSDEEP 768:Qvw9816vhKQLroy4/wQRNrfrunMxVFA3b7glws:YEGh0oyl2unMxVS3Hgz
TLSH
T1DE93C53D5DDA103BE2B7D6B585F126E3FE66B98336090D0E46D243428C23B53AD8AC1D
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads