stormser | 803df9a8ba3e56f0102dcaafcb6389c4aeef54415f1aca4f46781e519866a561

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
15/08/2026, 03:53

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General

Target
2026-08-15_59cfc9d3aa5a4d4449605a781bd161a8_elex_remcos_wannacry.exe
Size 64KB
Sample260815-eftckaem3y
SHA256 803df9a8ba3e56f0102dcaafcb6389c4aeef54415f1aca4f46781e519866a561
MD5 59cfc9d3aa5a4d4449605a781bd161a8
SHA1 0181246e2230afa900381b78b1883ca71a9b4471
SHA512 b691a92403b1e515087f610ee5d654b56f592c27a78439caa85ae2540661c77e336f32076d21604f696cf5b6d588f5043d28810feb1b0033e9336e2272d1183d
SSDEEP 384:ObIwOs8AHsc4sMDwhKQLroK4/CFsrdHWMZJ:OEw9816vhKQLroK4/wQpWMZJ
TLSH
T12C532A824B9F28E3FF71C1700C2A46FD536A559C81CAA99E6FD0C81A44E6FC1942977F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery stormser 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
behavioral1/memory/4448-0-0x0000000000400000-0x0000000000410000-memory.dmp	family_stormser
behavioral1/memory/4448-1-0x0000000000400000-0x0000000000410000-memory.dmp	family_stormser

Detects Windows executables referencing non-Windows User-Agents 2 IoCs

resource	yara_rule
behavioral1/memory/4448-0-0x0000000000400000-0x0000000000410000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/4448-1-0x0000000000400000-0x0000000000410000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

System Location Discovery: System Language Discovery 1 TTPs 1 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	2026-08-15_59cfc9d3aa5a4d4449605a781bd161a8_elex_remcos_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2026-08-15_59cfc9d3aa5a4d4449605a781bd161a8_elex_remcos_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-15_59cfc9d3aa5a4d4449605a781bd161a8_elex_remcos_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4448

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4448-0-0x0000000000400000-0x0000000000410000-memory.dmp

Download

memory/4448-1-0x0000000000400000-0x0000000000410000-memory.dmp