remcos | 239cc1ad3b7f433a4dbab6dad822e36673c4613eb6728812fa43132784bbc687

Analysis

max time kernel
148s
max time network
136s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
21/10/2026, 12:44

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General

Target
SOA payable.vbs
Size 974KB
Sample261021-pyqphacw4s
SHA256 239cc1ad3b7f433a4dbab6dad822e36673c4613eb6728812fa43132784bbc687
MD5 a4f1bf48e5a2fe7a603596c03c3cf25c
SHA1 77571840ecebb73a69eebbfeea3d72b1a4c12518
SHA512 71cf0188d8a5ac2be900993d5c7357ac1ecaa5ca7d273ce14e5920fc0cf5c2ddb73ae5b5000c2d52e10febde16dbfe67b65f563a0f2321fe76633e5e254ff719
SSDEEP 24576:/t2d7sZvEmeacyDYq80gjmPD0rlzU3HhtYN8Jw6EFx3xat:FtU00KKqk8J5gxat
TLSH
T14B25BC406D993B97CECCB51D5F48D92F97820981072EE2C1BE9F6A8A48FE76793DD400
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

remotehost defense_evasion discovery execution remcos persistence rat

Malware Config

Extracted

Family

remcos

Version

7.3.1 Pro

Botnet

RemoteHost

207.189.25.218:2404

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
vlc.exe
copy_folder
VLC
delete_file
true
hide_file
true
hide_keylog_file
true
install_flag
true
install_path
%WinDir%\System32
keylog_crypt
true
keylog_file
logs.dat
keylog_flag
false
keylog_folder
JRE
keylog_path
%AppData%
mouse_option
false
mutex
Rmc-62B9F2
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

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	MSBuild.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Rmc-62B9F2 = "\"C:\\Windows\\SysWOW64\\VLC\\vlc.exe\""	MSBuild.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
5984	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
1600	vlc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-62B9F2 = "\"C:\\Windows\\SysWOW64\\VLC\\vlc.exe\""	MSBuild.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\VLC\vlc.exe	MSBuild.exe
File opened for modification	C:\Windows\SysWOW64\VLC\vlc.exe	MSBuild.exe
File opened for modification	C:\Windows\SysWOW64\VLC	MSBuild.exe

Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs

execution

Visual Basic

T1059.005

pid	Process
4148	WScript.exe
3724	wscript.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5984 set thread context of 3164	5984	powershell.exe	103

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 2 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
2796	cmd.exe
2992	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	wscript.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	wscript.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vlc.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4356	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5984	powershell.exe
5984	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5984	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4148 wrote to memory of 3724	4148	WScript.exe	88
PID 3724 wrote to memory of 5984	3724	wscript.exe	90
PID 3724 wrote to memory of 2796	3724	wscript.exe	92
PID 3724 wrote to memory of 2992	3724	wscript.exe	94
PID 3724 wrote to memory of 4356	3724	wscript.exe	96
PID 3724 wrote to memory of 1592	3724	wscript.exe	100
PID 5984 wrote to memory of 3164	5984	powershell.exe	103
PID 5984 wrote to memory of 3164	5984	powershell.exe	103
PID 5984 wrote to memory of 3164	5984	powershell.exe	103
PID 5984 wrote to memory of 3164	5984	powershell.exe	103
PID 5984 wrote to memory of 3164	5984	powershell.exe	103
PID 5984 wrote to memory of 3164	5984	powershell.exe	103
PID 5984 wrote to memory of 3164	5984	powershell.exe	103
PID 3164 wrote to memory of 1600	3164	MSBuild.exe	104

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\SOA payable.vbs"
1⤵
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
PID:4148
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //nologo //e:vbscript "C:\Users\Admin\AppData\Local\Temp\h8ekmowt.dat" "C:\Users\Admin\AppData\Local\Temp\SOA payable.vbs"
  2⤵
  - Executes a VBScript file via the Windows Script Host.
  - Reads the TCP/IP host and domain name from the registry
  - Suspicious use of WriteProcessMemory
  PID:3724
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -NoProfile -NonInteractive -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Microsoft\Windows\History\obj_5e9ac10b.ps1"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:5984
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      4⤵
      Adds policy Run key to start application
      Adds Run key to start application
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3164
    - - C:\Windows\SysWOW64\VLC\vlc.exe
        
        "C:\Windows\SysWOW64\VLC\vlc.exe"
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:1600
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /c if not exist "C:\Users\Admin\AppData\Local\Photo Studio" mkdir "C:\Users\Admin\AppData\Local\Photo Studio"
    3⤵
    - Executes a command shell one-liner
    PID:2796
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /c if not exist "C:\Users\Admin\AppData\Local\Photo Studio\PhotoStudio.vbs" copy /y "C:\Users\Admin\AppData\Local\Temp\h8ekmowt.dat" "C:\Users\Admin\AppData\Local\Photo Studio\PhotoStudio.vbs"
    3⤵
    - Executes a command shell one-liner
    PID:2992
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /tn "PhotoStudioVBS" /xml "C:\Users\Admin\AppData\Local\Temp\mfp_x91800.xml" /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4356
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /c del /f /q "C:\Users\Admin\AppData\Local\Temp\mfp_x91800.xml"
    3⤵
    PID:1592

C:\Windows\system32\wscript.exe
wscript.exe
1⤵
PID:1184

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Visual Basic

T1059.005

Windows Command Shell

T1059.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

obj_5e9ac10b.ps1

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\History\obj_5e9ac10b.ps1
Size 964KB
SHA256 a00e39ca49c98b1527b7a33924f41b7ae3eefd2eac03dc9d34d99b8af7e35d4d
MD5 7823cf21a9b1798465fcda4c4129dc80
SHA1 9a3ac9a265e7171096d3988b13a84966b5cfd769
SHA512 620f222d08ab732c146e7cd7212764d01ff92556bec3bd1110e8df153422c65cd00c350c53fdcf1db550a85ebc40e6cf1ba16757a4a65ee113a05f226fa9d0a0
SSDEEP 12288:FZgop8V4XednVVwWHaaYGPSndMYwiqrPSBDYkKtAO8yA8udhG38t1F1P7G+NIaMv:g
TLSH
T12F2587B9A4AB78E1524FC59243B8FD3E261752FB10830535439FEA506A02FDDEFC485A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

h8ekmowt.dat

Path C:\Users\Admin\AppData\Local\Temp\h8ekmowt.dat
Size 683KB
SHA256 02318442c94d107c38eed8fb87158f7a1dbca8f861c97b1ebc522d499d3a9caf
MD5 90a9ddea07b0d431c1949de54857df36
SHA1 f819048c4f984caea943d6ebf1c6130b0258e422
SHA512 dbc452797ef2a8389d75dcd4ab3878ae8e936233567f68f653ab92429a8fe72d0221b475d0e2e122dd5761e816e7d8b33707313b52305e34b1eece034eea4721
SSDEEP 12288:nZflKFfiAYArJ3+Ean2RQTyNerjd04O9HK+RBkY706NJyF/CPmgzzl1:nZfuf/+ES2STQerjd04+7k56NJyGmel1
TLSH
T175E479B328A1219FD2E2C875F41BF416AD1C3B87022D30B7744E78B61B6D1AD5DD1BA8
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

mfp_x91800.xml

Path C:\Users\Admin\AppData\Local\Temp\mfp_x91800.xml
Size 1KB
SHA256 ad892ab53e504ca19125d5477e4b72accdb154519e26d73863390f8ebea22bb6
MD5 52dcc479bb7b435415f5f26bba142735
SHA1 fc89b300c2c171c792d17f76ee55afe5883883a7
SHA512 9e5ac0249b11ef1da8dab6c2c54dec7b097b7145c492b69d3820acbb220b64adf90739eb0d19a8e372e96da22ae443a2bca49399c4b1f3aa96b7d463691ec697
TLSH
T147319A43A7FD220DF1F7AF9CAAB6545149BAFD654C28D4AD00B40A0D0970E71C9B0B37
MD5 SHA1 SHA512 TLSH

Submit Download

vlc.exe

Path C:\Windows\SysWOW64\VLC\vlc.exe
Size 249KB
SHA256 151d0125c20cdde578d02de3f2a56eb904870a887bb7f1c59bf61471da231916
MD5 f8e68d6abe411ce0c71d6b8c1c1b9048
SHA1 77360aa532c299f636f424a2866016ee6bd5c09b
SHA512 3e6c59395c8c5f07d39db829aa335420ffe426fb9a4ab831cfe1273e803afd5f91912ee341e01b4e108b298349bdeea9e7e52874b05fa1723ebc408be896b650
SSDEEP 3072:6DEKKwBWmSEoRooC7GvORoQYiY35e8w2XpFU4rwOe+ZbZEFf02RFivFuv4GuhK:UHK2W0u1tvORstRXfM102bicw4
TLSH
T103446A01A7EC4615F6FF1A78B8B015158B76F867E866E35E388C61AC1F73740EA60363
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1600-31-0x0000000004F70000-0x00000000050CA000-memory.dmp

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memory/1600-30-0x0000000004CC0000-0x0000000004CDA000-memory.dmp

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memory/1600-29-0x0000000000390000-0x00000000003D0000-memory.dmp

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memory/3164-27-0x0000000000400000-0x0000000000490000-memory.dmp

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memory/3164-26-0x0000000000400000-0x0000000000490000-memory.dmp

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memory/5984-12-0x0000000006010000-0x000000000636B000-memory.dmp

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memory/5984-24-0x00000000052E0000-0x00000000052FA000-memory.dmp

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memory/5984-17-0x0000000007BE0000-0x000000000825C000-memory.dmp

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memory/5984-18-0x00000000069A0000-0x00000000069BA000-memory.dmp

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memory/5984-20-0x0000000007480000-0x00000000074A2000-memory.dmp

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memory/5984-19-0x0000000007760000-0x00000000077F6000-memory.dmp

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memory/5984-21-0x0000000008820000-0x0000000008DDA000-memory.dmp

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memory/5984-14-0x0000000006A20000-0x0000000006A6C000-memory.dmp

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memory/5984-25-0x0000000007880000-0x0000000007888000-memory.dmp

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memory/5984-13-0x0000000006460000-0x000000000647E000-memory.dmp

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memory/5984-8-0x0000000005EC0000-0x0000000005F26000-memory.dmp

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memory/5984-9-0x0000000005FA0000-0x0000000006006000-memory.dmp

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memory/5984-7-0x0000000005D20000-0x0000000005D42000-memory.dmp

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memory/5984-6-0x0000000005630000-0x0000000005C7A000-memory.dmp

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memory/5984-5-0x0000000004F80000-0x0000000004FB6000-memory.dmp

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