b519195c4b4b3cd8ee0281af56dc24c76f284315b77990dfb594e59610bee039

Analysis

max time kernel
148s
max time network
144s
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, 02:41

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General

Target
2026-11-01_f75df3c4ab790a1a2995b2cd326eb8d7_elex_redline-stealer_remcos_rifdoor_smoke-loader.exe
Size 97KB
Sample261102-c6mllaev3w
SHA256 b519195c4b4b3cd8ee0281af56dc24c76f284315b77990dfb594e59610bee039
MD5 f75df3c4ab790a1a2995b2cd326eb8d7
SHA1 275206589031333082ccf3b134c55d1ff9ed7471
SHA512 e24ff781b2b49e36c8f099d0a5e1eb8c0ed292389a94c52db6bc59553b9ddb380894b1f2671e7036f4373587bf38dae8f11cf57d56e0bb84e46a95d94f7d902c
SSDEEP 1536:j48ooK/sy3og+PnPNal4sBWt5iSgOxh4WkbW9wJjZL:j4GsBC16fsiSgOxh4WkbW8lL
TLSH
T1A5A37E107370C437E5621931447BC7B28ABEB8327E7995877B940BEE5E703D0AA3931A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3200	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-1-5-21-696679853-3915825385-3233721679-1000\Software\Microsoft\Windows\CurrentVersion\Run\Graphics = "\"C:\\ProgramData\\Graphics\\guifx.exe\" /run"	2026-11-01_f75df3c4ab790a1a2995b2cd326eb8d7_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\Domain	guifx.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	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	2026-11-01_f75df3c4ab790a1a2995b2cd326eb8d7_elex_redline-stealer_remcos_rifdoor_smoke-loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	guifx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4540 wrote to memory of 3200	4540	2026-11-01_f75df3c4ab790a1a2995b2cd326eb8d7_elex_redline-stealer_remcos_rifdoor_smoke-loader.exe	89
PID 4540 wrote to memory of 2608	4540	2026-11-01_f75df3c4ab790a1a2995b2cd326eb8d7_elex_redline-stealer_remcos_rifdoor_smoke-loader.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-11-01_f75df3c4ab790a1a2995b2cd326eb8d7_elex_redline-stealer_remcos_rifdoor_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2026-11-01_f75df3c4ab790a1a2995b2cd326eb8d7_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:4540
- 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:3200
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\2026-11-01_f75df3c4ab790a1a2995b2cd326eb8d7_elex_redline-stealer_remcos_rifdoor_smoke-loader.exe" >> NUL
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2608

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 5c3f824fbd087839b4f45b57bbb607f7c5971336e5aed96c97c461c0e1921944
MD5 2a6c3581132b75c801e1d6573642e92b
SHA1 51619e4878ccff304efcf24153c99a34b226166f
SHA512 244508e3652d098917965caf4b36a17cb44ec01291dab8c5cd5e99efabbb50bc36ff545b9f3f0c7064c230b92aa12e9fa728f57c81f56fb6a33ca3b38495b19b
SSDEEP 1536:j48ooK/sy3og+PnPNal4sBWt5iSgOxh4WkbW9wJjZb:j4GsBC16fsiSgOxh4WkbW8lb
TLSH
T1C7A37E107370C437E5621931447BC7B28ABEB8327E7995877B940BEE5E703D0AA3931A
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