stormser | 3432e8891da8804ffdf503fff04be7b5c58bb6ce4d90d9365fe186a0a0007820

General

Target
2026-07-09_0f2fdfd2dfff6bd7a65085a2e725f492_elex_rhadamanthys_wannacry.exe
Size 161KB
Sample260709-sffy5adv41
SHA256 3432e8891da8804ffdf503fff04be7b5c58bb6ce4d90d9365fe186a0a0007820
MD5 0f2fdfd2dfff6bd7a65085a2e725f492
SHA1 352da73b7db05960529b6e0df4a44a9b3b353b2b
SHA512 dbf29d4cd20349b7e0bc01014b82097379e104a9361a39da07080531724d9bc225717831a3d61d3e3863bed05d2b2009e7bca4577c4122a0c451347997f6a9f6
SSDEEP 1536:YEGh0olLl2unMxVS3HgCevo4n9dbH6gSqYGG3A7hgQO17If1YqQzz0anaapm:YEGh0oJlvMUcH3egXGQ01bqipnTm
TLSH
T176F32839ADC70277D17681B485F126A7FF79B9A334199E0E879247024C22B12BD9FC1E
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 2 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c527-3.dat	family_stormser
behavioral2/files/0x001200000001c52a-6.dat	family_stormser

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 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\{5DE95435-6795-4528-91EF-FC2C1EE70CA0}	2026-07-09_0f2fdfd2dfff6bd7a65085a2e725f492_elex_rhadamanthys_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5DE95435-6795-4528-91EF-FC2C1EE70CA0}\stubpath = "C:\\Windows\\{5DE95435-6795-4528-91EF-FC2C1EE70CA0}.exe"	2026-07-09_0f2fdfd2dfff6bd7a65085a2e725f492_elex_rhadamanthys_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{51D31712-F711-4737-B2CD-CB32FA0EC04D}	{5DE95435-6795-4528-91EF-FC2C1EE70CA0}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{51D31712-F711-4737-B2CD-CB32FA0EC04D}\stubpath = "C:\\Windows\\{51D31712-F711-4737-B2CD-CB32FA0EC04D}.exe"	{5DE95435-6795-4528-91EF-FC2C1EE70CA0}.exe

Executes dropped EXE 3 IoCs

pid	Process
1312	{5DE95435-6795-4528-91EF-FC2C1EE70CA0}.exe
1812	{51D31712-F711-4737-B2CD-CB32FA0EC04D}.exe
2672	{51D31712-F711-4737-B2CD-CB32FA0EC04D}.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\{5DE95435-6795-4528-91EF-FC2C1EE70CA0}.exe	2026-07-09_0f2fdfd2dfff6bd7a65085a2e725f492_elex_rhadamanthys_wannacry.exe
File created	C:\Windows\{51D31712-F711-4737-B2CD-CB32FA0EC04D}.exe	{5DE95435-6795-4528-91EF-FC2C1EE70CA0}.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	2026-07-09_0f2fdfd2dfff6bd7a65085a2e725f492_elex_rhadamanthys_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{5DE95435-6795-4528-91EF-FC2C1EE70CA0}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{51D31712-F711-4737-B2CD-CB32FA0EC04D}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{51D31712-F711-4737-B2CD-CB32FA0EC04D}.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2049790993-2338060321-149346055-1000\{80D161AF-1BAF-4D8B-80C1-6C20E1C54F44}	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4BFCC3A-DB2C-424C-B029-7FE99A87C641}\Instance\	explorer.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	5160	2026-07-09_0f2fdfd2dfff6bd7a65085a2e725f492_elex_rhadamanthys_wannacry.exe
Token: SeIncBasePriorityPrivilege	1312	{5DE95435-6795-4528-91EF-FC2C1EE70CA0}.exe
Token: SeShutdownPrivilege	2460	explorer.exe
Token: SeCreatePagefilePrivilege	2460	explorer.exe
Token: SeShutdownPrivilege	2460	explorer.exe
Token: SeCreatePagefilePrivilege	2460	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2328	sihost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5160 wrote to memory of 1312	5160	2026-07-09_0f2fdfd2dfff6bd7a65085a2e725f492_elex_rhadamanthys_wannacry.exe	88
PID 5160 wrote to memory of 984	5160	2026-07-09_0f2fdfd2dfff6bd7a65085a2e725f492_elex_rhadamanthys_wannacry.exe	89
PID 1312 wrote to memory of 1812	1312	{5DE95435-6795-4528-91EF-FC2C1EE70CA0}.exe	94
PID 1312 wrote to memory of 4736	1312	{5DE95435-6795-4528-91EF-FC2C1EE70CA0}.exe	95
PID 2328 wrote to memory of 2460	2328	sihost.exe	96
PID 2460 wrote to memory of 2672	2460	explorer.exe	97

C:\Users\Admin\AppData\Local\Temp\2026-07-09_0f2fdfd2dfff6bd7a65085a2e725f492_elex_rhadamanthys_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-09_0f2fdfd2dfff6bd7a65085a2e725f492_elex_rhadamanthys_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:5160
- C:\Windows\{5DE95435-6795-4528-91EF-FC2C1EE70CA0}.exe
  C:\Windows\{5DE95435-6795-4528-91EF-FC2C1EE70CA0}.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:1312
- - C:\Windows\{51D31712-F711-4737-B2CD-CB32FA0EC04D}.exe
    C:\Windows\{51D31712-F711-4737-B2CD-CB32FA0EC04D}.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1812
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\{5DE95~1.EXE > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4736
- 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:984

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\explorer.exe
  explorer.exe /LOADSAVEDWINDOWS
  2⤵
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2460
- - C:\Windows\{51D31712-F711-4737-B2CD-CB32FA0EC04D}.exe
    "C:\Windows\{51D31712-F711-4737-B2CD-CB32FA0EC04D}.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2672

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

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Downloads

{51D31712-F711-4737-B2CD-CB32FA0EC04D}.exe

Path C:\Windows\{51D31712-F711-4737-B2CD-CB32FA0EC04D}.exe
Size 161KB
SHA256 f185ded5705c0b6e2db09ba7d2fcf91fd62f3ed9aeba3acf735907def16b00bd
MD5 8b50b0d46c949fc108c41eb95f1f4825
SHA1 ddccb81b8f852016d0599294a0b3a3ee64ffa4a8
SHA512 e363f2370d434808926109c19a1cc041c0c8abe56dac1a567319df2be9890f189f5be13e595756832bd7168c4271b8b36e91786503714da3582da24b434a735d
SSDEEP 1536:YEGh0oSl2unMxVS3HgCevo4n9dbH6gSqYGG3A7hgQO17If1YqQzz0anaapm:YEGh0oSlvMUcH3egXGQ01bqipnTm
TLSH
T18EF32839ADC70177D27681B485F126A7FF79B9A334199E0E879247024C22B12BD9FC1E
MD5 SHA1 SHA512 SSDEEP TLSH

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{5DE95435-6795-4528-91EF-FC2C1EE70CA0}.exe

Path C:\Windows\{5DE95435-6795-4528-91EF-FC2C1EE70CA0}.exe
Size 161KB
SHA256 e4f627d4a2f1ea496d45abfb6611dcd406ff22568bdba122488681690b1b52c7
MD5 425117bdca8cad367158a2625e5406bd
SHA1 45ac9def7c34496bef3836d3aeffc2c9427ec90a
SHA512 fe3d33b8c54203acbec47532ae4866491026c86f0fe49898851f1b6b5b3228253952d98f997e80d2d7c2c3633cf69cae32a51a4efdadfc958b572a59ee73974c
SSDEEP 1536:YEGh0oll2unMxVS3HgCevo4n9dbH6gSqYGG3A7hgQO17If1YqQzz0anaapm:YEGh0ollvMUcH3egXGQ01bqipnTm
TLSH
T132F3283DADC70177D27681B485F126A7FF69B9A334199E0E879247024C22B12BD9FC1E
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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