stormser | d2a144bdea4eea2daced2c9d1bd50a6be0ea6a967d45fe57516fd34349100047

General

Target
2026-08-15_480de1d6c0112e886f768723b64c3ebf_elex_wannacry.exe
Size 59KB
Sample260815-ely51ayzfv
SHA256 d2a144bdea4eea2daced2c9d1bd50a6be0ea6a967d45fe57516fd34349100047
MD5 480de1d6c0112e886f768723b64c3ebf
SHA1 89c33e0fec95e8a9fb488cb1c28045fbb7fe9f35
SHA512 ba4901f87ec67fcac8876dafa0a8363bcb7d3bf9f9ec5e7b4cf8a5063f7a9a26eab3c0b8469fbaeb18cd2b2041778edb660403376cc171a254eb1419f0f0c123
SSDEEP 384:MbLwOs8AHsc4sMfwhKQLrojXP3i4/CFsrcGIiXY1nhbHQn:Mvw9816vhKQLrojXfi4/wQDIi4dHQ
TLSH
T136436D834FE948F2F7911171017D5BB9527BAAC0D209BEDB7F80DE28117B242E63E14A
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/0x000300000001e696-2.dat	family_stormser
behavioral1/files/0x000300000001e6d8-6.dat	family_stormser
behavioral1/files/0x00090000000245e9-8.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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{D1E25280-A22D-4a52-896D-8D9BD2FDDD34}	2026-08-15_480de1d6c0112e886f768723b64c3ebf_elex_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{D1E25280-A22D-4a52-896D-8D9BD2FDDD34}\stubpath = "C:\\Windows\\{D1E25280-A22D-4a52-896D-8D9BD2FDDD34}.exe"	2026-08-15_480de1d6c0112e886f768723b64c3ebf_elex_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1A44190A-162E-455d-9513-BD8215B0BA86}	{D1E25280-A22D-4a52-896D-8D9BD2FDDD34}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1A44190A-162E-455d-9513-BD8215B0BA86}\stubpath = "C:\\Windows\\{1A44190A-162E-455d-9513-BD8215B0BA86}.exe"	{D1E25280-A22D-4a52-896D-8D9BD2FDDD34}.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A7203627-F66C-456c-893B-D6E874ED86EF}	{1A44190A-162E-455d-9513-BD8215B0BA86}.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A7203627-F66C-456c-893B-D6E874ED86EF}\stubpath = "C:\\Windows\\{A7203627-F66C-456c-893B-D6E874ED86EF}.exe"	{1A44190A-162E-455d-9513-BD8215B0BA86}.exe

Executes dropped EXE 3 IoCs

pid	Process
5056	{D1E25280-A22D-4a52-896D-8D9BD2FDDD34}.exe
1796	{1A44190A-162E-455d-9513-BD8215B0BA86}.exe
1876	{A7203627-F66C-456c-893B-D6E874ED86EF}.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\{A7203627-F66C-456c-893B-D6E874ED86EF}.exe	{1A44190A-162E-455d-9513-BD8215B0BA86}.exe
File created	C:\Windows\{D1E25280-A22D-4a52-896D-8D9BD2FDDD34}.exe	2026-08-15_480de1d6c0112e886f768723b64c3ebf_elex_wannacry.exe
File created	C:\Windows\{1A44190A-162E-455d-9513-BD8215B0BA86}.exe	{D1E25280-A22D-4a52-896D-8D9BD2FDDD34}.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
1648	cmd.exe
3376	cmd.exe
1720	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	{1A44190A-162E-455d-9513-BD8215B0BA86}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{A7203627-F66C-456c-893B-D6E874ED86EF}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-15_480de1d6c0112e886f768723b64c3ebf_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{D1E25280-A22D-4a52-896D-8D9BD2FDDD34}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2212	2026-08-15_480de1d6c0112e886f768723b64c3ebf_elex_wannacry.exe
Token: SeIncBasePriorityPrivilege	5056	{D1E25280-A22D-4a52-896D-8D9BD2FDDD34}.exe
Token: SeIncBasePriorityPrivilege	1796	{1A44190A-162E-455d-9513-BD8215B0BA86}.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 5056	2212	2026-08-15_480de1d6c0112e886f768723b64c3ebf_elex_wannacry.exe	90
PID 2212 wrote to memory of 1648	2212	2026-08-15_480de1d6c0112e886f768723b64c3ebf_elex_wannacry.exe	91
PID 5056 wrote to memory of 1796	5056	{D1E25280-A22D-4a52-896D-8D9BD2FDDD34}.exe	92
PID 5056 wrote to memory of 3376	5056	{D1E25280-A22D-4a52-896D-8D9BD2FDDD34}.exe	93
PID 1796 wrote to memory of 1876	1796	{1A44190A-162E-455d-9513-BD8215B0BA86}.exe	96
PID 1796 wrote to memory of 1720	1796	{1A44190A-162E-455d-9513-BD8215B0BA86}.exe	97

C:\Users\Admin\AppData\Local\Temp\2026-08-15_480de1d6c0112e886f768723b64c3ebf_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-15_480de1d6c0112e886f768723b64c3ebf_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:2212
- C:\Windows\{D1E25280-A22D-4a52-896D-8D9BD2FDDD34}.exe
  C:\Windows\{D1E25280-A22D-4a52-896D-8D9BD2FDDD34}.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:5056
- - C:\Windows\{1A44190A-162E-455d-9513-BD8215B0BA86}.exe
    C:\Windows\{1A44190A-162E-455d-9513-BD8215B0BA86}.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:1796
  - - C:\Windows\{A7203627-F66C-456c-893B-D6E874ED86EF}.exe
      C:\Windows\{A7203627-F66C-456c-893B-D6E874ED86EF}.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:1876
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Windows\{1A441~1.EXE > nul
      4⤵
      Executes a command shell one-liner
      System Location Discovery: System Language Discovery
      PID:1720
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\{D1E25~1.EXE > nul
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:3376
- 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:1648

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

{1A44190A-162E-455d-9513-BD8215B0BA86}.exe

Path C:\Windows\{1A44190A-162E-455d-9513-BD8215B0BA86}.exe
Size 59KB
SHA256 eb267564b032b2582aafe35e802a8870b89f47af37264abb6a329f0a0fa16f26
MD5 4906cba8c856c0dcd01690547a4ab396
SHA1 a4aee4e3c1eb74c97f5855599fd34a90ebc82001
SHA512 3d117ed7336633643d45ec838dc213bd83b8d86cf53d2cc8a22704e07a169ff8a41709b8ca6475ed136b59e28a7110e2cdf9a68c0df0244f988b21f2c6383daf
SSDEEP 384:MbLwOs8AHsc4sMfwhKQLrojXP3e4/CFsrcGIiXY1nhbHQn:Mvw9816vhKQLrojXfe4/wQDIi4dHQ
TLSH
T1D2436D831FE948F2F7911171057D5BB9527BAAC0D209BEDB7F80DE28117B242E53E14A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{A7203627-F66C-456c-893B-D6E874ED86EF}.exe

Path C:\Windows\{A7203627-F66C-456c-893B-D6E874ED86EF}.exe
Size 59KB
SHA256 6e4e822f496966c4c9e3d8925f39b2374ccc63526ee7b4bba708c2faa64b8f69
MD5 9fbdfe86ff306b4eb24e3ee6e4973565
SHA1 2e4be2337ba0bdb91f6685063932e74d668d220c
SHA512 e44770bf1ba66096aea73be6c13be2c784fd797f27d4d43e9b87870d12b69cfe2c0203805c625cabd6ed5243497590283d22d2124c9f733edeb892d67a09825e
SSDEEP 384:MbLwOs8AHsc4sMfwhKQLrojXP394/CFsrcGIiXY1nhbHQn:Mvw9816vhKQLrojXf94/wQDIi4dHQ
TLSH
T1E0435D830BE948F2F7911171057D5BB9627BAAC0D209BDDB7F80DE28527B242E53E14A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{D1E25280-A22D-4a52-896D-8D9BD2FDDD34}.exe

Path C:\Windows\{D1E25280-A22D-4a52-896D-8D9BD2FDDD34}.exe
Size 59KB
SHA256 ccd31999106a2eff7bee2f4642dd50bc852eb009e9ffbd6b757e2db43fa83fac
MD5 c8b989954258dd9a80bdc7c24173ebd0
SHA1 3d2b29dda1c1ec8a1a2ac85af1e8cbf60a0e279f
SHA512 973c714a9709f02a114e0164adb32e633b5e43a4481908585be09e6ebf7be879b2bea5b61dabe1962fdc54405e983d582f2d2f4f6006c069050a3620287c2389
SSDEEP 384:MbLwOs8AHsc4sMfwhKQLrojXP3HR4/CFsrcGIiXY1nhbHQn:Mvw9816vhKQLrojXfx4/wQDIi4dHQ
TLSH
T1B1436D834FE948F2F7911171017D5BB9527BAAC0D209BEDB7F80DE28517B242E53E14A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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