c953059304976d2f998019d1a9df4b44318e593f5f20f745a2637dcd36d379b1

Analysis

max time kernel
148s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/11/2026, 13:06

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General

Target
2026-11-01_a210845892c39291b038495dd74b0a8f_elex_redline-stealer_remcos_rifdoor_smoke-loader.exe
Size 97KB
Sample261102-qcdcqact6m
SHA256 c953059304976d2f998019d1a9df4b44318e593f5f20f745a2637dcd36d379b1
MD5 a210845892c39291b038495dd74b0a8f
SHA1 f654a2ff12aa21444b16dd32c1c0691faa3767f3
SHA512 b351ad2bb73a9678df624664bc742965274fd6da46ebd2c18237c391405f3e6356cfc8dfe195bfa7852d022341886fa2e0a860973c660c9ffb266e03bfa68b3b
SSDEEP 1536:j48ooK/sy3og+PnPNal4sBWt5iSgOxh4WkbW9wJjZI:j4GsBC16fsiSgOxh4WkbW8lI
TLSH
T1C6A37E107370C437E5621931447BC7B28ABEB8327E7995877B940BEE5E703D0AA3935A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4184	guifx.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\Graphics = "\"C:\\ProgramData\\Graphics\\guifx.exe\" /run"	2026-11-01_a210845892c39291b038495dd74b0a8f_elex_redline-stealer_remcos_rifdoor_smoke-loader.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	guifx.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	guifx.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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-11-01_a210845892c39291b038495dd74b0a8f_elex_redline-stealer_remcos_rifdoor_smoke-loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	guifx.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 824 wrote to memory of 4184	824	2026-11-01_a210845892c39291b038495dd74b0a8f_elex_redline-stealer_remcos_rifdoor_smoke-loader.exe	89
PID 824 wrote to memory of 4080	824	2026-11-01_a210845892c39291b038495dd74b0a8f_elex_redline-stealer_remcos_rifdoor_smoke-loader.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-11-01_a210845892c39291b038495dd74b0a8f_elex_redline-stealer_remcos_rifdoor_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2026-11-01_a210845892c39291b038495dd74b0a8f_elex_redline-stealer_remcos_rifdoor_smoke-loader.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:824
- C:\ProgramData\Graphics\guifx.exe
  "C:\ProgramData\Graphics\guifx.exe" /run
  2⤵
  - Executes dropped EXE
  - Reads the TCP/IP host and domain name from the registry
  - System Location Discovery: System Language Discovery
  PID:4184
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\2026-11-01_a210845892c39291b038495dd74b0a8f_elex_redline-stealer_remcos_rifdoor_smoke-loader.exe" >> NUL
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4080

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

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

guifx.exe

Path C:\ProgramData\Graphics\guifx.exe
Size 97KB
SHA256 7be24132df84dbccb71886a4dffeb9a4bc924393cf0320b679ee51a842c6c5e5
MD5 e56f37a5c9e53a44192ec896d4aa7ad8
SHA1 14b17c90f23e7af9983366b9bc340a320461d1c4
SHA512 957a8c9c3a0c5ad69134d0201f50121ba671829a67e5d9b5301fe683cc7139cbf490b7adb92c35e68e66a7025a16b1259294e7359c12f7891814cab8df01129f
SSDEEP 1536:j48ooK/sy3og+PnPNal4sBWt5iSgOxh4WkbW9wJjZc:j4GsBC16fsiSgOxh4WkbW8lc
TLSH
T1E4A37E107370C437E5621931447BC7B28ABEB8327E7995877B940BEE5E703D0AA3935A
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