remcos | aa28851f41135315a0b0e949122089010b8e7aef88baeb0b5ebe64af3c625487

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
10/09/2026, 11:15

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General

Target
aa28851f41135315a0b0e949122089010b8e7aef88baeb0b5ebe64af3c625487.exe
Size 1013KB
Sample260910-ncvwnascle
SHA256 aa28851f41135315a0b0e949122089010b8e7aef88baeb0b5ebe64af3c625487
MD5 06a5b1874c4be6d8c4f754a036abd2d3
SHA1 40917707b8f425abbbde65aab337ce3bc79fbd04
SHA512 946f3436403175f3b55fed8184e2d62d147d7c00bf1cd5e6cea1d004c56d337f1c1534ba528b9d95ce6edfe706eb88f1aa65be8a0fe3fa304d7a68d54598004c
SSDEEP 24576:QzUU75yk56jmjMGNFboXMMHxoCL5R8FmET3Cd1SC+1:cpgk2mjjNFrAF8sEk0j
TLSH
T1BC25234433AE9F92E43D8BF86335155157F2BE6F6550DB8D4ECA30D226B3B010A22E97
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

donremotehost evasion remcos rat trojan upx

Malware Config

Extracted

Family

remcos

Botnet

DonRemoteHost

217.60.195.33:17542

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-FMBWS3
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Extracted

Family

remcos

Version

7.2.6 Pro

Botnet

DonRemoteHost

217.60.195.33:17542

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-FMBWS3
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Family: Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	aa28851f41135315a0b0e949122089010b8e7aef88baeb0b5ebe64af3c625487.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3308 set thread context of 2264	3308	aa28851f41135315a0b0e949122089010b8e7aef88baeb0b5ebe64af3c625487.exe	84

UPX packed file 11 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2264-6-0x0000000140000000-0x00000001400B3000-memory.dmp	upx
behavioral1/memory/2264-9-0x0000000140000000-0x00000001400B3000-memory.dmp	upx
behavioral1/memory/2264-10-0x0000000140000000-0x00000001400B3000-memory.dmp	upx
behavioral1/memory/2264-7-0x0000000140000000-0x00000001400B3000-memory.dmp	upx
behavioral1/memory/2264-12-0x0000000140000000-0x00000001400B3000-memory.dmp	upx
behavioral1/memory/2264-13-0x0000000140000000-0x00000001400B3000-memory.dmp	upx
behavioral1/memory/2264-11-0x0000000140000000-0x00000001400B3000-memory.dmp	upx
behavioral1/memory/2264-14-0x0000000140000000-0x00000001400B3000-memory.dmp	upx
behavioral1/memory/2264-15-0x0000000140000000-0x00000001400B3000-memory.dmp	upx
behavioral1/memory/2264-16-0x0000000140000000-0x00000001400B3000-memory.dmp	upx
behavioral1/memory/2264-21-0x0000000140000000-0x00000001400B3000-memory.dmp	upx

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3308 wrote to memory of 2264	3308	aa28851f41135315a0b0e949122089010b8e7aef88baeb0b5ebe64af3c625487.exe	84
PID 3308 wrote to memory of 2264	3308	aa28851f41135315a0b0e949122089010b8e7aef88baeb0b5ebe64af3c625487.exe	84
PID 3308 wrote to memory of 2264	3308	aa28851f41135315a0b0e949122089010b8e7aef88baeb0b5ebe64af3c625487.exe	84
PID 3308 wrote to memory of 2264	3308	aa28851f41135315a0b0e949122089010b8e7aef88baeb0b5ebe64af3c625487.exe	84

C:\Users\Admin\AppData\Local\Temp\aa28851f41135315a0b0e949122089010b8e7aef88baeb0b5ebe64af3c625487.exe
"C:\Users\Admin\AppData\Local\Temp\aa28851f41135315a0b0e949122089010b8e7aef88baeb0b5ebe64af3c625487.exe"
1⤵
- Modifies Windows Defender DisableAntiSpyware settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3308
- C:\Users\Admin\AppData\Local\Temp\aa28851f41135315a0b0e949122089010b8e7aef88baeb0b5ebe64af3c625487.exe
  C:\Users\Admin\AppData\Local\Temp\aa28851f41135315a0b0e949122089010b8e7aef88baeb0b5ebe64af3c625487.exe
  2⤵
  PID:2264

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2264-16-0x0000000140000000-0x00000001400B3000-memory.dmp

Download

memory/2264-9-0x0000000140000000-0x00000001400B3000-memory.dmp

Download

memory/2264-24-0x0000000180000000-0x000000018012D000-memory.dmp

Download

memory/2264-21-0x0000000140000000-0x00000001400B3000-memory.dmp

Download

memory/2264-20-0x0000000180000000-0x000000018012D000-memory.dmp

Download

memory/2264-10-0x0000000140000000-0x00000001400B3000-memory.dmp

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memory/2264-6-0x0000000140000000-0x00000001400B3000-memory.dmp

Download

memory/2264-15-0x0000000140000000-0x00000001400B3000-memory.dmp

Download

memory/2264-7-0x0000000140000000-0x00000001400B3000-memory.dmp

Download

memory/2264-17-0x0000000180000000-0x000000018012D000-memory.dmp

Download

memory/2264-11-0x0000000140000000-0x00000001400B3000-memory.dmp

Download

memory/2264-13-0x0000000140000000-0x00000001400B3000-memory.dmp

Download

memory/2264-12-0x0000000140000000-0x00000001400B3000-memory.dmp

Download

memory/2264-14-0x0000000140000000-0x00000001400B3000-memory.dmp

Download

memory/3308-5-0x0000022F07DF0000-0x0000022F07E00000-memory.dmp

Download

memory/3308-0-0x0000022F060F0000-0x0000022F061F2000-memory.dmp

Download

memory/3308-1-0x0000022F07DF0000-0x0000022F07E00000-memory.dmp

Download

memory/3308-4-0x0000022F23360000-0x0000022F23448000-memory.dmp

Download

memory/3308-3-0x0000022F07DF0000-0x0000022F07E00000-memory.dmp

Download

memory/3308-2-0x0000022F207E0000-0x0000022F207F2000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads