remcos | 5ae667a2ffce6864964f906c2ec7049b342a534ebb8e38a8d0640e6656e0de7a

Analysis

max time kernel
60s
max time network
23s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
15/10/2026, 20:31

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General

Target
5ae667a2ffce6864964f906c2ec7049b342a534ebb8e38a8d0640e6656e0de7a.exe
Size 1.2MB
Sample261015-za16fac17m
SHA256 5ae667a2ffce6864964f906c2ec7049b342a534ebb8e38a8d0640e6656e0de7a
MD5 90434fecfdbd2498b48fb51e439571db
SHA1 863dcbc67ecfa50b9c3116b1f51ccb7369164084
SHA512 777273450604c3396b4981d00e3c2205a61ff3aa12ab275de3710cd052c338f75169b99dedf8cacc2d3360eed600c1901e22eb1fd2f0f4644178a9d0f11692b1
SSDEEP 24576:ViJal+QSNki7VdA+H4nBpruTANSX+OlK879:gq+QS57Vz4nBpycN8+OQM
TLSH
T1C145DF442614DA06C4BA63B8CA61F3F8337A2DAAE921D3074ED7BDDB3935B00491675F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

remotehost discovery remcos persistence rat

Malware Config

Extracted

Family

remcos

Version

7.3.1 Pro

Botnet

RemoteHost

172.94.15.100:6075

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
MS-Office.exe
copy_folder
MS-Office
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
true
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-48KJVO
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

Executes dropped EXE 2 IoCs

pid	Process
4924	MS-Office.exe
3204	MS-Office.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-48KJVO = "\"C:\\ProgramData\\MS-Office\\MS-Office.exe\""	5ae667a2ffce6864964f906c2ec7049b342a534ebb8e38a8d0640e6656e0de7a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-48KJVO = "\"C:\\ProgramData\\MS-Office\\MS-Office.exe\""	5ae667a2ffce6864964f906c2ec7049b342a534ebb8e38a8d0640e6656e0de7a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5460 set thread context of 2948	5460	5ae667a2ffce6864964f906c2ec7049b342a534ebb8e38a8d0640e6656e0de7a.exe	89

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

System Information Discovery
T1082

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	5ae667a2ffce6864964f906c2ec7049b342a534ebb8e38a8d0640e6656e0de7a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5ae667a2ffce6864964f906c2ec7049b342a534ebb8e38a8d0640e6656e0de7a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MS-Office.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MS-Office.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5460 wrote to memory of 2948	5460	5ae667a2ffce6864964f906c2ec7049b342a534ebb8e38a8d0640e6656e0de7a.exe	89
PID 5460 wrote to memory of 2948	5460	5ae667a2ffce6864964f906c2ec7049b342a534ebb8e38a8d0640e6656e0de7a.exe	89
PID 5460 wrote to memory of 2948	5460	5ae667a2ffce6864964f906c2ec7049b342a534ebb8e38a8d0640e6656e0de7a.exe	89
PID 5460 wrote to memory of 2948	5460	5ae667a2ffce6864964f906c2ec7049b342a534ebb8e38a8d0640e6656e0de7a.exe	89
PID 5460 wrote to memory of 2948	5460	5ae667a2ffce6864964f906c2ec7049b342a534ebb8e38a8d0640e6656e0de7a.exe	89
PID 5460 wrote to memory of 2948	5460	5ae667a2ffce6864964f906c2ec7049b342a534ebb8e38a8d0640e6656e0de7a.exe	89
PID 5460 wrote to memory of 2948	5460	5ae667a2ffce6864964f906c2ec7049b342a534ebb8e38a8d0640e6656e0de7a.exe	89
PID 2948 wrote to memory of 4924	2948	5ae667a2ffce6864964f906c2ec7049b342a534ebb8e38a8d0640e6656e0de7a.exe	91

C:\Users\Admin\AppData\Local\Temp\5ae667a2ffce6864964f906c2ec7049b342a534ebb8e38a8d0640e6656e0de7a.exe
"C:\Users\Admin\AppData\Local\Temp\5ae667a2ffce6864964f906c2ec7049b342a534ebb8e38a8d0640e6656e0de7a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5460
- C:\Users\Admin\AppData\Local\Temp\5ae667a2ffce6864964f906c2ec7049b342a534ebb8e38a8d0640e6656e0de7a.exe
  "C:\Users\Admin\AppData\Local\Temp\5ae667a2ffce6864964f906c2ec7049b342a534ebb8e38a8d0640e6656e0de7a.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2948
- - C:\ProgramData\MS-Office\MS-Office.exe
    "C:\ProgramData\MS-Office\MS-Office.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4924

C:\ProgramData\MS-Office\MS-Office.exe
"C:\ProgramData\MS-Office\MS-Office.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3204

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

Modify Registry

T1112

Credential Access

Discovery

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

MS-Office.exe

Path C:\ProgramData\MS-Office\MS-Office.exe
Size 1.2MB
SHA256 5ae667a2ffce6864964f906c2ec7049b342a534ebb8e38a8d0640e6656e0de7a
MD5 90434fecfdbd2498b48fb51e439571db
SHA1 863dcbc67ecfa50b9c3116b1f51ccb7369164084
SHA512 777273450604c3396b4981d00e3c2205a61ff3aa12ab275de3710cd052c338f75169b99dedf8cacc2d3360eed600c1901e22eb1fd2f0f4644178a9d0f11692b1
SSDEEP 24576:ViJal+QSNki7VdA+H4nBpruTANSX+OlK879:gq+QS57Vz4nBpycN8+OQM
TLSH
T1C145DF442614DA06C4BA63B8CA61F3F8337A2DAAE921D3074ED7BDDB3935B00491675F
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2948-13-0x0000000000400000-0x0000000000490000-memory.dmp

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memory/2948-20-0x0000000000400000-0x0000000000490000-memory.dmp

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memory/2948-17-0x0000000000400000-0x0000000000490000-memory.dmp

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memory/2948-15-0x0000000000400000-0x0000000000490000-memory.dmp

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memory/2948-14-0x0000000000400000-0x0000000000490000-memory.dmp

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memory/4924-21-0x00000000742F2000-0x00000000742F3000-memory.dmp

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memory/5460-5-0x0000000005AB0000-0x0000000005ABA000-memory.dmp

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memory/5460-6-0x0000000005C20000-0x0000000005CBC000-memory.dmp

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memory/5460-9-0x0000000075120000-0x00000000758DC000-memory.dmp

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memory/5460-10-0x0000000009570000-0x0000000009638000-memory.dmp

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memory/5460-11-0x0000000009EF0000-0x000000000A41C000-memory.dmp

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memory/5460-12-0x000000000A420000-0x000000000A8EC000-memory.dmp

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memory/5460-7-0x0000000005CE0000-0x0000000005CF8000-memory.dmp

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memory/5460-8-0x0000000075132000-0x0000000075133000-memory.dmp

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memory/5460-0-0x0000000075132000-0x0000000075133000-memory.dmp

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memory/5460-16-0x0000000075120000-0x00000000758DC000-memory.dmp

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memory/5460-4-0x0000000075120000-0x00000000758DC000-memory.dmp

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memory/5460-3-0x0000000005A00000-0x0000000005A92000-memory.dmp

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memory/5460-2-0x0000000006070000-0x000000000662A000-memory.dmp

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memory/5460-1-0x0000000000EF0000-0x000000000102C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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