292f6ec9256c4581dc6ad7702b99486900b83dbd23ce3f033fb46c8b365081dd

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
23/10/2026, 14:16

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General

Target
2026-10-23_25a6e9b7792f315f3a946af26cf38c1f_icedid_luca-stealer_njrat_stealc.exe
Size 3.7MB
Sample261023-rlkzlab181
SHA256 292f6ec9256c4581dc6ad7702b99486900b83dbd23ce3f033fb46c8b365081dd
MD5 25a6e9b7792f315f3a946af26cf38c1f
SHA1 9ed5e89de11394558ab3634261bed67e50ae4cf3
SHA512 d8529b218fe716dcd477d98e472c46477d1756f60b8e9def7b517e40283398e14a2ee242356ae92b07e735897397345419bc3eedadbb9fdce1e08130138edece
SSDEEP 24576:dMcKO40Bv4kOdGcNqFjokufAYth7OSt9CVMXkSJdzcxbDkel3dGcNqFjokufAYte:dR9BvtchdTOZVZGdzvchdTOZVZGdz
TLSH
T13E064A1AD6ED985FE1F662B592441930C0A1DAE7810EC8DE319E7FECDD66C006D18ECB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

execution persistence

Malware Config

Signatures

Sets service image path in registry 3 TTPs 1 IoCs

This determines the executable launched when a service starts. It can be used to establish persistence.

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\aQpufIRriyqSyK\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\aQpufIRriyqSyK"	rJ4ms.exe

Executes dropped EXE 1 IoCs

pid	Process
3768	rJ4ms.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SoftwareDistribution\Download\rJ4ms.sys	2026-10-23_25a6e9b7792f315f3a946af26cf38c1f_icedid_luca-stealer_njrat_stealc.exe
File created	C:\Windows\SoftwareDistribution\Download\rJ4ms.exe	2026-10-23_25a6e9b7792f315f3a946af26cf38c1f_icedid_luca-stealer_njrat_stealc.exe

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

System Information Discovery
T1082

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.

execution

Windows Command Shell

T1059.003

pid	Process
2776	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3768	rJ4ms.exe
3768	rJ4ms.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3768	rJ4ms.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3768	rJ4ms.exe
Token: SeLoadDriverPrivilege	3768	rJ4ms.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 6108 wrote to memory of 3768	6108	2026-10-23_25a6e9b7792f315f3a946af26cf38c1f_icedid_luca-stealer_njrat_stealc.exe	91
PID 6108 wrote to memory of 2776	6108	2026-10-23_25a6e9b7792f315f3a946af26cf38c1f_icedid_luca-stealer_njrat_stealc.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-10-23_25a6e9b7792f315f3a946af26cf38c1f_icedid_luca-stealer_njrat_stealc.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-23_25a6e9b7792f315f3a946af26cf38c1f_icedid_luca-stealer_njrat_stealc.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:6108
- C:\Windows\SoftwareDistribution\Download\rJ4ms.exe
  "C:\Windows\SoftwareDistribution\Download\rJ4ms.exe" -map C:\Windows\SoftwareDistribution\Download\rJ4ms.sys
  2⤵
  - Sets service image path in registry
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:3768
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c pause
  2⤵
  - Executes a command shell one-liner
  PID:2776

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

rJ4ms.exe

Path C:\Windows\SoftwareDistribution\Download\rJ4ms.exe
Size 1.8MB
SHA256 46dd000e731a51f59b2c5483447e179a10cb3e01d9256bd6a9567eb1ee7425df
MD5 e57e13694f34ddcde3402db2e01aabd2
SHA1 31ef6d3bb1970fb52f90ac4ed34ed801fc004f69
SHA512 dc1ccc07cb2cafcd3491382a0ebfa5af8ae30f90344acbc44b0626f5e611496e9b65f4625dca015acd778e2952d6dcd11065cc2bf31106c786eba2da91f29cf9
SSDEEP 24576:f0Bv4kOdGcNqFjokufAYth7OSt9CVMXkSJdzcxbDke:cBvtchdTOZVZGdz
TLSH
T18C85391AC6ED985FE1E662B592841970C0A1DAE7810EC8DE314E7FECDDA5D007D18ECB
MD5 SHA1 SHA512 SSDEEP TLSH

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