3a5f86f56fca7989cba64a4b26a2b61e22404c8df1559cef16bb8a87121049fc

Analysis

max time kernel
150s
max time network
138s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/08/2026, 07:46

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General

Target
2026-08-05_8a3fc153dee8565dcdbd45c76a1d2b0e_elex_remcos_stop.exe
Size 1.9MB
Sample260805-jmgdsscm2x
SHA256 3a5f86f56fca7989cba64a4b26a2b61e22404c8df1559cef16bb8a87121049fc
MD5 8a3fc153dee8565dcdbd45c76a1d2b0e
SHA1 6870043abf666510efb8c8cb50c8afee4ae6d586
SHA512 28a000ea757277e9b2891d0986cf10874c71729f3a2a4b78c9f7cf0b0332352e5ebd07cfed49e2722a9e8db3d067c5c9ce161b0cd922e60be80f297768cb7146
SSDEEP 49152:/CpkkEK25k2TmPoJhBxZyxv5pgxv5psxbn8Jaj:/CSOLwOxv5pgxv5psxbn8Jaj
TLSH
T13C955D31368BD67AE0228F7DAF54E23891626C61F1BB545736AC79084BB84F0DF322D5
MD5 SHA1 SHA512 SSDEEP TLSH

Score

4^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
124	update.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	2026-08-05_8a3fc153dee8565dcdbd45c76a1d2b0e_elex_remcos_stop.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	update.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fsutil.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	fsutil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2064	2026-08-05_8a3fc153dee8565dcdbd45c76a1d2b0e_elex_remcos_stop.exe
Token: SeDebugPrivilege	124	update.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 124	2064	2026-08-05_8a3fc153dee8565dcdbd45c76a1d2b0e_elex_remcos_stop.exe	89
PID 124 wrote to memory of 472	124	update.exe	91
PID 472 wrote to memory of 2672	472	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-08-05_8a3fc153dee8565dcdbd45c76a1d2b0e_elex_remcos_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-05_8a3fc153dee8565dcdbd45c76a1d2b0e_elex_remcos_stop.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2064
- \??\c:\users\admin\appdata\local\temp\sysfixmaster\update.exe
  "c:\users\admin\appdata\local\temp\sysfixmaster\update.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:124
- - C:\Windows\SysWOW64\cmd.exe
    /c fsutil dirty query c:
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:472
  - - C:\Windows\SysWOW64\fsutil.exe
      fsutil dirty query c:
      4⤵
      System Location Discovery: System Language Discovery
      Enumerates system info in registry
      PID:2672

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

update.log

Path C:\Users\Admin\AppData\Local\Temp\sysfixmaster\log\update.log
Size 5KB
SHA256 c69620cee4d141041811a11f5445442205443ba59fa0ea7e5b6c60a8e910ed46
MD5 09ba94737e89f0668e1762cdb65fbb3f
SHA1 6ca4bccbee1be1c261cc5d369cbd767a372bd90f
SHA512 8ee2551e60c6fde79752a76d132647a347fbe62e6c07eab8dd7a241064fcc4bc646edc6d30e7b42668bbc6ece2351081ab421c3d9f1115bd4b23e1c33121d9da
SSDEEP 96:Cbvl3eH2KnVVBjEg4s3Jhoxvh/wxuhjqa6L:SzXu
TLSH
T185C17D1A77F4015BB6B2D74BAAFB5457D6397D622635DE0E01C2024C097B702EC68F2B
MD5 SHA1 SHA512 SSDEEP TLSH

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update.exe

Path C:\Users\Admin\AppData\Local\Temp\sysfixmaster\update.exe
Size 1.9MB
SHA256 3a5f86f56fca7989cba64a4b26a2b61e22404c8df1559cef16bb8a87121049fc
MD5 8a3fc153dee8565dcdbd45c76a1d2b0e
SHA1 6870043abf666510efb8c8cb50c8afee4ae6d586
SHA512 28a000ea757277e9b2891d0986cf10874c71729f3a2a4b78c9f7cf0b0332352e5ebd07cfed49e2722a9e8db3d067c5c9ce161b0cd922e60be80f297768cb7146
SSDEEP 49152:/CpkkEK25k2TmPoJhBxZyxv5pgxv5psxbn8Jaj:/CSOLwOxv5pgxv5psxbn8Jaj
TLSH
T13C955D31368BD67AE0228F7DAF54E23891626C61F1BB545736AC79084BB84F0DF322D5
MD5 SHA1 SHA512 SSDEEP TLSH

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aec96c7d1bcc49f1c21e25b95393ad2d

Path C:\Users\Admin\AppData\Local\Temp\sysfixmaster\update\sysrepair\aec96c7d1bcc49f1c21e25b95393ad2d
Size 153B
SHA256 10174434dbe479c08b32ce3b42b70e7c6336647d29e4393483158d590d35c325
MD5 932da5a430ff6db1bc48425b567d56fa
SHA1 e7e88023dbbc6346d354ffe9fb7db957888c2299
SHA512 f30ad93d17d8ceb3ec2727a08a6ce7fc59da51a66ba7aeb2ab93efc84af4e16ea442769f9a5be140287e24d3e431218b0fec1e52e78ea70e5f8607b6569108e4
TLSH
T151C02B2D75137C4CC963327422C37180C0C6833764BA8112C480800331CF29A8AC3397
MD5 SHA1 SHA512 TLSH

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memory/124-3-0x0000000002BC0000-0x0000000002BC1000-memory.dmp

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memory/124-16-0x0000000002BC0000-0x0000000002BC1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads