stormser | 625948ba1999cd07c78fbc8ac87288f5ecd62f56c97fe30d5718788e6ec0db82

General

Target
2026-08-12_e1c109b9fe8b053afe49b198aa406f50_elex_wannacry.exe
Size 116KB
Sample260812-p196xsgp21
SHA256 625948ba1999cd07c78fbc8ac87288f5ecd62f56c97fe30d5718788e6ec0db82
MD5 e1c109b9fe8b053afe49b198aa406f50
SHA1 3c70d7096a7cda309f52fffdf1b706361ced0529
SHA512 47eb2e82bf32d2084c16c30cf9bfed4000883e3546e4c5ae9436996bdf9fe2e428c3060a011427d45a1232a39b55988dea3a2ce7a89a3e4ba3a5dbd3236a2698
SSDEEP 768:Qvw9816vhKQLroQ4/wQRNrfrunMxVFA3b7glwRjMlfwGxEI5nWAwxt6sDntNiLJN:YEGh0oQl2unMxVS3HgdoKjhLJhL
TLSH
T16BC3C1295FEA0026F1F3D6749AF556DABE36FC5339058E0E019203064D22F16ED96E3E
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 5 IoCs

resource	yara_rule
behavioral1/files/0x000300000001e6d9-2.dat	family_stormser
behavioral1/files/0x000700000002448b-6.dat	family_stormser
behavioral1/files/0x000200000001e725-10.dat	family_stormser
behavioral1/files/0x000f000000024495-14.dat	family_stormser
behavioral1/files/0x0007000000024496-19.dat	family_stormser

Boot or Logon Autostart Execution: Active Setup 2 TTPs 10 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\{94E67153-C8FF-4780-B97B-7DD9F4A61178}	2026-08-12_e1c109b9fe8b053afe49b198aa406f50_elex_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{BFD37247-CCCF-476e-A612-18BC6EAEFB41}	{94E67153-C8FF-4780-B97B-7DD9F4A61178}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{06491E23-E95A-4916-ADC5-51F09E08C648}	{BFD37247-CCCF-476e-A612-18BC6EAEFB41}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F14406AE-2B2D-4ea1-947C-0D30065EAA1D}	{50A45EC2-CA6D-4a65-A473-6A0EEBC8D9B9}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F14406AE-2B2D-4ea1-947C-0D30065EAA1D}\stubpath = "C:\\Windows\\{F14406AE-2B2D-4ea1-947C-0D30065EAA1D}.exe"	{50A45EC2-CA6D-4a65-A473-6A0EEBC8D9B9}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{94E67153-C8FF-4780-B97B-7DD9F4A61178}\stubpath = "C:\\Windows\\{94E67153-C8FF-4780-B97B-7DD9F4A61178}.exe"	2026-08-12_e1c109b9fe8b053afe49b198aa406f50_elex_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{BFD37247-CCCF-476e-A612-18BC6EAEFB41}\stubpath = "C:\\Windows\\{BFD37247-CCCF-476e-A612-18BC6EAEFB41}.exe"	{94E67153-C8FF-4780-B97B-7DD9F4A61178}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{06491E23-E95A-4916-ADC5-51F09E08C648}\stubpath = "C:\\Windows\\{06491E23-E95A-4916-ADC5-51F09E08C648}.exe"	{BFD37247-CCCF-476e-A612-18BC6EAEFB41}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{50A45EC2-CA6D-4a65-A473-6A0EEBC8D9B9}	{06491E23-E95A-4916-ADC5-51F09E08C648}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{50A45EC2-CA6D-4a65-A473-6A0EEBC8D9B9}\stubpath = "C:\\Windows\\{50A45EC2-CA6D-4a65-A473-6A0EEBC8D9B9}.exe"	{06491E23-E95A-4916-ADC5-51F09E08C648}.exe

Executes dropped EXE 5 IoCs

pid	Process
3048	{94E67153-C8FF-4780-B97B-7DD9F4A61178}.exe
4520	{BFD37247-CCCF-476e-A612-18BC6EAEFB41}.exe
3912	{06491E23-E95A-4916-ADC5-51F09E08C648}.exe
876	{50A45EC2-CA6D-4a65-A473-6A0EEBC8D9B9}.exe
788	{F14406AE-2B2D-4ea1-947C-0D30065EAA1D}.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\{50A45EC2-CA6D-4a65-A473-6A0EEBC8D9B9}.exe	{06491E23-E95A-4916-ADC5-51F09E08C648}.exe
File created	C:\Windows\{F14406AE-2B2D-4ea1-947C-0D30065EAA1D}.exe	{50A45EC2-CA6D-4a65-A473-6A0EEBC8D9B9}.exe
File created	C:\Windows\{94E67153-C8FF-4780-B97B-7DD9F4A61178}.exe	2026-08-12_e1c109b9fe8b053afe49b198aa406f50_elex_wannacry.exe
File created	C:\Windows\{BFD37247-CCCF-476e-A612-18BC6EAEFB41}.exe	{94E67153-C8FF-4780-B97B-7DD9F4A61178}.exe
File created	C:\Windows\{06491E23-E95A-4916-ADC5-51F09E08C648}.exe	{BFD37247-CCCF-476e-A612-18BC6EAEFB41}.exe

Executes a command shell one-liner 1 TTPs 5 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
4872	cmd.exe
1120	cmd.exe
3508	cmd.exe
3968	cmd.exe
4876	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 11 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	{06491E23-E95A-4916-ADC5-51F09E08C648}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{F14406AE-2B2D-4ea1-947C-0D30065EAA1D}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-12_e1c109b9fe8b053afe49b198aa406f50_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{94E67153-C8FF-4780-B97B-7DD9F4A61178}.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{50A45EC2-CA6D-4a65-A473-6A0EEBC8D9B9}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{BFD37247-CCCF-476e-A612-18BC6EAEFB41}.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1388	2026-08-12_e1c109b9fe8b053afe49b198aa406f50_elex_wannacry.exe
Token: SeIncBasePriorityPrivilege	3048	{94E67153-C8FF-4780-B97B-7DD9F4A61178}.exe
Token: SeIncBasePriorityPrivilege	4520	{BFD37247-CCCF-476e-A612-18BC6EAEFB41}.exe
Token: SeIncBasePriorityPrivilege	3912	{06491E23-E95A-4916-ADC5-51F09E08C648}.exe
Token: SeIncBasePriorityPrivilege	876	{50A45EC2-CA6D-4a65-A473-6A0EEBC8D9B9}.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 3048	1388	2026-08-12_e1c109b9fe8b053afe49b198aa406f50_elex_wannacry.exe	88
PID 1388 wrote to memory of 4872	1388	2026-08-12_e1c109b9fe8b053afe49b198aa406f50_elex_wannacry.exe	89
PID 3048 wrote to memory of 4520	3048	{94E67153-C8FF-4780-B97B-7DD9F4A61178}.exe	95
PID 3048 wrote to memory of 1120	3048	{94E67153-C8FF-4780-B97B-7DD9F4A61178}.exe	96
PID 4520 wrote to memory of 3912	4520	{BFD37247-CCCF-476e-A612-18BC6EAEFB41}.exe	98
PID 4520 wrote to memory of 3508	4520	{BFD37247-CCCF-476e-A612-18BC6EAEFB41}.exe	99
PID 3912 wrote to memory of 876	3912	{06491E23-E95A-4916-ADC5-51F09E08C648}.exe	100
PID 3912 wrote to memory of 3968	3912	{06491E23-E95A-4916-ADC5-51F09E08C648}.exe	101
PID 876 wrote to memory of 788	876	{50A45EC2-CA6D-4a65-A473-6A0EEBC8D9B9}.exe	102
PID 876 wrote to memory of 4876	876	{50A45EC2-CA6D-4a65-A473-6A0EEBC8D9B9}.exe	103

C:\Users\Admin\AppData\Local\Temp\2026-08-12_e1c109b9fe8b053afe49b198aa406f50_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-12_e1c109b9fe8b053afe49b198aa406f50_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:1388
- C:\Windows\{94E67153-C8FF-4780-B97B-7DD9F4A61178}.exe
  C:\Windows\{94E67153-C8FF-4780-B97B-7DD9F4A61178}.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:3048
- - C:\Windows\{BFD37247-CCCF-476e-A612-18BC6EAEFB41}.exe
    C:\Windows\{BFD37247-CCCF-476e-A612-18BC6EAEFB41}.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:4520
  - - C:\Windows\{06491E23-E95A-4916-ADC5-51F09E08C648}.exe
      C:\Windows\{06491E23-E95A-4916-ADC5-51F09E08C648}.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:3912
    - - C:\Windows\{50A45EC2-CA6D-4a65-A473-6A0EEBC8D9B9}.exe
        
        C:\Windows\{50A45EC2-CA6D-4a65-A473-6A0EEBC8D9B9}.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:876
      - C:\Windows\{F14406AE-2B2D-4ea1-947C-0D30065EAA1D}.exe
        
        C:\Windows\{F14406AE-2B2D-4ea1-947C-0D30065EAA1D}.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:788
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c del C:\Windows\{50A45~1.EXE > nul
        6⤵
        Executes a command shell one-liner
        System Location Discovery: System Language Discovery
        
        PID:4876
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c del C:\Windows\{06491~1.EXE > nul
        5⤵
        Executes a command shell one-liner
        System Location Discovery: System Language Discovery
        
        PID:3968
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Windows\{BFD37~1.EXE > nul
      4⤵
      Executes a command shell one-liner
      System Location Discovery: System Language Discovery
      PID:3508
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\{94E67~1.EXE > nul
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:1120
- 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:4872

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

{06491E23-E95A-4916-ADC5-51F09E08C648}.exe

Path C:\Windows\{06491E23-E95A-4916-ADC5-51F09E08C648}.exe
Size 116KB
SHA256 cb7348f1f43d4199ef5891097d6d6cd66fdbcdd4f501cb6f72e83226b36844b6
MD5 f71e47becb51d7896f4d1ac2b4e4d57e
SHA1 26dee763dbd1c47ae61b7cb71a58cac5ced31d19
SHA512 a049def3fc1f368139716f9590446907e1cf702dcb8d220e59e0947d0cabe51281fa3b5de1f3127d634822837765053d48064a47cbab2f27dc164545d5bd0ef7
SSDEEP 768:Qvw9816vhKQLroS4/wQRNrfrunMxVFA3b7glwRjMlfwGxEI5nWAwxt6sDntNiLJN:YEGh0oSl2unMxVS3HgdoKjhLJhL
TLSH
T14EC3C1295FEA0026F1F3D6749AF556DABE36FC5339058E0E019203064D22F16ED96E3E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{50A45EC2-CA6D-4a65-A473-6A0EEBC8D9B9}.exe

Path C:\Windows\{50A45EC2-CA6D-4a65-A473-6A0EEBC8D9B9}.exe
Size 116KB
SHA256 8e68ec01f6b968c576240a2cbf69619854f1214b2a9c3add0d5aedfc7c192e09
MD5 ae841db325331cee2d6333f58d152a86
SHA1 4c72c0c4a162573076ad44c1f3b63221606432a9
SHA512 a92c1621d0cc17db53992a5f70729946f4417ef0699af3b66c4f0d1440044ff5b47b14c6263efab313ffccb27ddc0351444a2362667038c2e6d93f1b0dab5c1c
SSDEEP 768:Qvw9816vhKQLro4L4/wQRNrfrunMxVFA3b7glwRjMlfwGxEI5nWAwxt6sDntNiL3:YEGh0o4Ll2unMxVS3HgdoKjhLJhL
TLSH
T137C3C1295FEA0026F1F3D6749AF556DABE36FC5339058E0E019203064D22F16ED96E3E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{94E67153-C8FF-4780-B97B-7DD9F4A61178}.exe

Path C:\Windows\{94E67153-C8FF-4780-B97B-7DD9F4A61178}.exe
Size 116KB
SHA256 33960a9e1e870825e209b5fa148c9a3b419078f905c5982158d9722e869dae09
MD5 91403568b9c95ec7dd292f2d65eeed39
SHA1 c82df4e792bdbe26584f3756225cfd8e6debf5c2
SHA512 64d5067883c1ebc5f2452c33838216802f8ab699ea6874a7feeefa705abdbbe0e8fc84858d7e9d6184f7ed206da358580169ed6cf68baf4346a958eb5bc5a08c
SSDEEP 768:Qvw9816vhKQLroE4/wQRNrfrunMxVFA3b7glwRjMlfwGxEI5nWAwxt6sDntNiLJN:YEGh0oEl2unMxVS3HgdoKjhLJhL
TLSH
T190C3C1295FEA0026F1F3D6749AF556DABE36FC5339058E0E019203064D22F16ED96E3E
MD5 SHA1 SHA512 SSDEEP TLSH

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{BFD37247-CCCF-476e-A612-18BC6EAEFB41}.exe

Path C:\Windows\{BFD37247-CCCF-476e-A612-18BC6EAEFB41}.exe
Size 116KB
SHA256 6a314edc64ccb2e3c61f38a33501e77ace844325fa405041b6e5dbf22240bd3a
MD5 c75ae76f2336111b3362d3a9bb11d6e8
SHA1 65a6f75fae56d5a26c925bae951d85a874919dec
SHA512 83182c5f8bd11751cc16e6460a87f03254c06e814fda6bc7631fd54d7563f1b006b3bc00b2dd6fc2afe8813714feb9a0111bf74c8914f7bfd532532ce3e56a4a
SSDEEP 768:Qvw9816vhKQLros4/wQRNrfrunMxVFA3b7glwRjMlfwGxEI5nWAwxt6sDntNiLJN:YEGh0osl2unMxVS3HgdoKjhLJhL
TLSH
T176C3C1295FEA0026F1F3D6749AF556DABE36FC5339058E0E019203064D22F16ED96E3E
MD5 SHA1 SHA512 SSDEEP TLSH

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{F14406AE-2B2D-4ea1-947C-0D30065EAA1D}.exe

Path C:\Windows\{F14406AE-2B2D-4ea1-947C-0D30065EAA1D}.exe
Size 116KB
SHA256 79f31451757a952b01716f07437aae2d5924a7b7a36e642d57e00c61f66888df
MD5 fc22bbaa4d61d835a7641995f059ffba
SHA1 0b1008955a84f79ecc09b7fa358d774018e0520f
SHA512 1cb5808d99d507dbcc71f5d6d098b431ef8235f5f03a70e2e6fa6226e271ff252f78b8838ece036f2e738ec41cda76444b43a1622a34d7a18f18dac0752c90db
SSDEEP 768:Qvw9816vhKQLroL4/wQRNrfrunMxVFA3b7glwRjMlfwGxEI5nWAwxt6sDntNiLJN:YEGh0oLl2unMxVS3HgdoKjhLJhL
TLSH
T17EC3C1295FEA0026F1F3D6749AF556DABE36FC5339058E0E019203064D22F16ED96E3E
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads