f74236eb3515bf15cbee73453773245fcaf98a5de06f04005b118d9c877314d2

General

Target
2026-08-07_42ada1392ce6e201406439fa0aa70a9b_amadey_elex_luca-stealer_mespinoza_njrat_remcos_rhadamanthys_smoke-loader.exe
Size 815KB
Sample260807-tp5jhs11e1
SHA256 f74236eb3515bf15cbee73453773245fcaf98a5de06f04005b118d9c877314d2
MD5 42ada1392ce6e201406439fa0aa70a9b
SHA1 b4eeb836e1b39d4745d5361fd6a53a9b24f3f18f
SHA512 b66167680ce3c9e52cf5e061fd382ca2ab6e63b4f6f3bbb6ca5954e29a3bc0831a92d11d588fec5b1ee03825588d2f06e8809c41cd5011c6420a5e2597d2f198
SSDEEP 12288:LItnc2IbHJb7x7ku4FdekyKeaRSy4PkooJb8r+i7VlCqK3+w8g24N06SBCOy:Lcc2IbpbJKyK9S6YVl9K3+w8g24CBCN
TLSH
T100059C22BA81C073E5B2013195BC9B76287DB930072985DBF3D50B792E742D2BE39767
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1132	sysmgr.exe

Enumerates connected drives 3 TTPs 2 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\D:	sysmgr.exe
File opened (read-only)	\??\G:	sysmgr.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCDisable = "4"	sysmgr.exe

Drops file in Program Files directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\ResolveJoin.exe	sysmgr.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	sysmgr.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	sysmgr.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	sysmgr.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe	sysmgr.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe	sysmgr.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe	sysmgr.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	sysmgr.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe	sysmgr.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe	sysmgr.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe	sysmgr.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe	sysmgr.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\sysmgr.exe	2026-08-07_42ada1392ce6e201406439fa0aa70a9b_amadey_elex_luca-stealer_mespinoza_njrat_remcos_rhadamanthys_smoke-loader.exe
File created	C:\Windows\svc.dat	2026-08-07_42ada1392ce6e201406439fa0aa70a9b_amadey_elex_luca-stealer_mespinoza_njrat_remcos_rhadamanthys_smoke-loader.exe
File opened for modification	C:\Windows\conf.dat	sysmgr.exe
File created	C:\Windows\conf.dat	sysmgr.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	2026-08-07_42ada1392ce6e201406439fa0aa70a9b_amadey_elex_luca-stealer_mespinoza_njrat_remcos_rhadamanthys_smoke-loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysmgr.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4628 wrote to memory of 1132	4628	2026-08-07_42ada1392ce6e201406439fa0aa70a9b_amadey_elex_luca-stealer_mespinoza_njrat_remcos_rhadamanthys_smoke-loader.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-07_42ada1392ce6e201406439fa0aa70a9b_amadey_elex_luca-stealer_mespinoza_njrat_remcos_rhadamanthys_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-07_42ada1392ce6e201406439fa0aa70a9b_amadey_elex_luca-stealer_mespinoza_njrat_remcos_rhadamanthys_smoke-loader.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4628
- C:\Windows\sysmgr.exe
  "C:\Windows\sysmgr.exe"
  2⤵
  - Executes dropped EXE
  - Enumerates connected drives
  - Modifies WinLogon
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:1132

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

svc.dat

Path C:\Windows\svc.dat
Size 2KB
SHA256 88bf78b2fd35b84c6f3c38d7c06f18c7441ccacc5236d0edf01f1f9ccd2f6ee6
MD5 f76d2c4f89457201326b00eb7e51d10b
SHA1 72b874e7b04b1f0dbe255cff0a03a9095e468662
SHA512 edc6b3dad522a43828649c741469e5d8bc34cd250515620e6503de79d663ad25a968a5b7565f6ca2d9f424d904f3b04435e0892df5025d045fa0bb6fa313a92f
TLSH
T19251EDE7F466DF8FC4A9013C68DA261654792FC734AC260875BB31B22C706B4C9EA4C1
MD5 SHA1 SHA512 TLSH

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sysmgr.exe

Path C:\Windows\sysmgr.exe
Size 36KB
SHA256 e506e529d2d1d80ba433d4dec9fcbf07506112c8d0a130bed322f03346640456
MD5 2373dfbdba70b54164d4fe163f7f59f1
SHA1 fbc51778f9e4868ddce4763d0bef4cb48090e3f6
SHA512 32e48c596def05ddd1c987ae54cb069f750e0e4a993aa9f5c1d69e11c49ca90f6d324dfb4fa7c29c7d642eb2d939b2efe9332e0f4f4cbc5a0b2893adbf8598ec
SSDEEP 384:pnAvHMUga1Tz86P5LDml85VOLa4Z9aZeXJJReypFy+E66ryotf:lMMXa106BL5kvSZeZPeAA+P6ryotf
TLSH
T12EF27D13B9D2C477C5D381710476EB7ABB7F27A106716983AF249E5A1D322A1C83F386
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4628-0-0x0000000000FB0000-0x0000000001083000-memory.dmp

Download

memory/4628-6-0x0000000000FB0000-0x0000000001083000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads