Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
10/09/2026, 09:06
Behavioral task
behavioral1
Sample
208acff170a9de69edd30198fcd47341b96fa44113bb05271e71cb463354bbd3.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
General
- Target 208acff170a9de69edd30198fcd47341b96fa44113bb05271e71cb463354bbd3.exe
- Size 64KB
- Sample260910-k2s7ks1brd
- SHA256 208acff170a9de69edd30198fcd47341b96fa44113bb05271e71cb463354bbd3
- MD5 252aa9810bb8f0b7af68801beea53499
- SHA1 1e1e92ad97c6e6663a0b7ee2229920ac7a73c0dd
- SHA512 485d948c0267b39fdad93e2a68ce3d9f93b31c5386a1fd9993b8531e15318bdf8847e6530a0202fa033a49a35822b156049f1752a1022b068fb92c234b42eede
- SSDEEP 384:ObLwOs8AHsc4zMfwhKQLroq4/CFsrdHWMZy:Ovw981JvhKQLroq4/wQpWMZy
- TLSH T184531A42CAC538A1E670FD700CE946B9416675CC8B4FA976FFFFEA0CC622971A729105
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Detects Stormser aka Storm DDoS and StormAttack 5 IoCs
resource yara_rule behavioral1/memory/5104-0-0x0000000000400000-0x0000000000410000-memory.dmp family_stormser behavioral1/memory/5104-1-0x0000000000400000-0x0000000000410000-memory.dmp family_stormser behavioral1/files/0x00080000000242f9-4.dat family_stormser behavioral1/memory/4432-5-0x0000000000400000-0x0000000000410000-memory.dmp family_stormser behavioral1/memory/5104-7-0x0000000000400000-0x0000000000410000-memory.dmp family_stormser - Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{51669D79-9AC7-4a28-A1C2-8EFF7A2CB247} 208acff170a9de69edd30198fcd47341b96fa44113bb05271e71cb463354bbd3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{51669D79-9AC7-4a28-A1C2-8EFF7A2CB247}\stubpath = "C:\\Windows\\{51669D79-9AC7-4a28-A1C2-8EFF7A2CB247}.exe" 208acff170a9de69edd30198fcd47341b96fa44113bb05271e71cb463354bbd3.exe - Executes dropped EXE 1 IoCs
pid Process 4432 {51669D79-9AC7-4a28-A1C2-8EFF7A2CB247}.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\{51669D79-9AC7-4a28-A1C2-8EFF7A2CB247}.exe 208acff170a9de69edd30198fcd47341b96fa44113bb05271e71cb463354bbd3.exe - Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 2876 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 208acff170a9de69edd30198fcd47341b96fa44113bb05271e71cb463354bbd3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language {51669D79-9AC7-4a28-A1C2-8EFF7A2CB247}.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 5104 208acff170a9de69edd30198fcd47341b96fa44113bb05271e71cb463354bbd3.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5104 wrote to memory of 4432 5104 208acff170a9de69edd30198fcd47341b96fa44113bb05271e71cb463354bbd3.exe 89 PID 5104 wrote to memory of 2876 5104 208acff170a9de69edd30198fcd47341b96fa44113bb05271e71cb463354bbd3.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\208acff170a9de69edd30198fcd47341b96fa44113bb05271e71cb463354bbd3.exe"C:\Users\Admin\AppData\Local\Temp\208acff170a9de69edd30198fcd47341b96fa44113bb05271e71cb463354bbd3.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:5104 -
C:\Windows\{51669D79-9AC7-4a28-A1C2-8EFF7A2CB247}.exeC:\Windows\{51669D79-9AC7-4a28-A1C2-8EFF7A2CB247}.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4432
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\208ACF~1.EXE > nul2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:2876
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\{51669D79-9AC7-4a28-A1C2-8EFF7A2CB247}.exe
- Size 64KB
- SHA256 44e159b8f185e4c5f84b0c579c15b208ceb0ff8a199f56be035e5099e1f0e336
- MD5 81a22eeef1a31b0b4892e2ed89fc909d
- SHA1 5e28afa3e2c17e2ba8913379498d3a12528a30f5
- SHA512 edcaf388586599492bc3970fe69d38e492318dd8fe9455c1cc62a986d30a433444fdfc5eb7fdfff415354029818969915fed27a6daa8c6b786c56339502bf839
- SSDEEP 384:ObLwOs8AHsc4zMfwhKQLroR4/CFsrdHWMZy:Ovw981JvhKQLroR4/wQpWMZy
- TLSH T10C531A42CAC538A1E670FD700CE546B9416675CC8B4FA976FFFFEA0CC622971A729105
- MD5 SHA1 SHA512 SSDEEP TLSH