1c036841e1d2e6342299063e325edc29bb5e903b007900e9588b20ac7aa895bd

Analysis

max time kernel
149s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
02/11/2026, 22:39

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General

Target
1c036841e1d2e6342299063e325edc29bb5e903b007900e9588b20ac7aa895bd.dll
Size 5.0MB
Sample261102-2lb2ssdw5x
SHA256 1c036841e1d2e6342299063e325edc29bb5e903b007900e9588b20ac7aa895bd
MD5 b97b58ad054893ff057f9c1f8bca3e1f
SHA1 5b3ae8344155336f8b2f76c62b6a9eb35e1c7819
SHA512 dbb4c6a188afe8df8201225eb20642c8c99b38ea2c887020e45bd9a2e43cacecc85c15ceaa1cc3e3132923b5f4e1b92983d9c9b0132bf1b8c8e56ea541397919
SSDEEP 98304:MhqPoBhz1aRQSUDk36SAEdhvxWa9P593R8yAVp2H:MhqPe1CQxk3ZAEUadzR8yc4H
TLSH
T15C363354616CA2BCF0550EB44473892BB7B33C69A7BA4F1F8BC086660D53F5BAFD0A41
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4808	mssecsvc.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\mssecsvc.exe	rundll32.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	mssecsvc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	mssecsvc.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mssecsvc.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3756 wrote to memory of 1520	3756	rundll32.exe	84
PID 1520 wrote to memory of 4808	1520	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1c036841e1d2e6342299063e325edc29bb5e903b007900e9588b20ac7aa895bd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3756
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1c036841e1d2e6342299063e325edc29bb5e903b007900e9588b20ac7aa895bd.dll,#1
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1520
- - C:\WINDOWS\mssecsvc.exe
    C:\WINDOWS\mssecsvc.exe
    3⤵
    - Executes dropped EXE
    - Reads the TCP/IP host and domain name from the registry
    - System Location Discovery: System Language Discovery
    PID:4808

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

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

mssecsvc.exe

Path C:\Windows\mssecsvc.exe
Size 3.6MB
SHA256 a67d2464b05192eff486da02fe3ead8a238124adf0166f7b9ce75e32bf0487a1
MD5 d6a4bac40226aa156605f0242806186d
SHA1 0ea03f8460fc0b19d15315aa024aa3a17cf2ef17
SHA512 a00a80670faf7ac4690bd3614434a2fb0d6ee752634f55b91c85ded85ec6102a758e3cfa3f41c8ed4a7c1175492377b2d0d2f29a11595ac32fcd68d450546701
SSDEEP 98304:whqPoBhz1aRQSUDk36SAEdhvxWa9P593R8yAVp2HI:whqPe1CQxk3ZAEUadzR8yc4HI
TLSH
T1B8063354616CB2BCF1550EB44473892AB7B33C69A7BA4F1F8BC086660D53F5BAFC0A41
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